still working on it
This commit is contained in:
Daplie
parent
16dd91ace0
commit
12cb2887fa
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@ -2,7 +2,27 @@
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'use strict';
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exports.DNS_PACKER_TYPE_SOA = function (ab, dv, total, record) {
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if(!record.sn){
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throw new Error("no serial number for SOA record");
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}
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if(!record.ref){
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throw new Error("no serial number for SOA record");
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}
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if(!record.ret){
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throw new Error("no serial number for SOA record");
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}
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if(!record.ex){
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throw new Error("no serial number for SOA record");
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}
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if(!record.nx){
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throw new Error("no serial number for SOA record");
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}
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return total;
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};
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@ -0,0 +1,38 @@
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(function (exports) {
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'use strict';
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// Record type is just any text.
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exports.DNS_PACKER_TYPE_TXT = function (ab, dv, total, record) {
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// if (!record.data){
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// throw new Error("no data for TXT record");
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// }
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// console.log("record data is: " + record.data);
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// var txtLen = 0;
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// var rdLenIndex = total;
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// total += 2;
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// //RDATA
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// // a sequence of labels
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// record.data.split('.').forEach(function (label) {
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// txtLen += 1 + label.length;
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// dv.setUint8(total, label.length, false);
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// total += 1;
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// label.split('').forEach(function (ch) {
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// dv.setUint8(total, ch.charCodeAt(0), false);
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// total += 1;
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// });
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// });
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// // RDLENGTH
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// dv.setUint16(rdLenIndex, record.data.length + 1, false);
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// return total;
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};
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}('undefined' !== typeof window ? window : exports));
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@ -1,7 +1,7 @@
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(function (exports) {
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'use strict';
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// TODO. Not yet implemented
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// TODO. Not yet implemented. Do we need to include the name server and email address record properties???
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// Value Meaning/Use
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// Primary NS Variable length. The name of the Primary Master for the domain. May be a label, pointer, or any combination
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@ -12,11 +12,33 @@
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// Expiration Limit Unsigned 32-bit integer
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// Minimum TTL Unsigned 32-bit integer
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var unpackLabels = exports.DNS_UNPACK_LABELS || require('../dns.unpack-labels.js').DNS_UNPACK_LABELS;
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exports.DNS_PARSER_TYPE_SOA = function (ab, packet, record) {
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var rdataAb = ab.slice(record.rdstart, record.rdstart + record.rdlength);
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var dv = new DataView(rdataAb)
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var dv = new DataView(rdataAb);
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var cpcount = unpackLabels(new Uint8Array(ab), record.rdstart, { byteLength: 0, cpcount: 0, labels: [], name: '' }).cpcount;
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var offset = unpackLabels(new Uint8Array(ab), record.rdstart, { byteLength: 0, cpcount: 0, labels: [], name: '' }).byteLength;
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for(var i = 0; i < dv.byteLength;i++){
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console.log(parseInt(dv.getUint8(i), 10).toString(16));
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}
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// Primary NS
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//record.name_server = unpackLabels(new Uint8Array(ab), record.rdstart, { byteLength: 0, cpcount: 0, labels: [], name: '' }).name;
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// var offset = unpackLabels(new Uint8Array(ab), record.rdstart, { byteLength: 0, cpcount: 0, labels: [], name: '' }).byteLength;
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// Admin MB. This email address is always preceeded by 6 Bytes of the name_server data and email_addr length.
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// ie: ns1.example.com, where ns1 is 3 bytes, example.com represented by 2 bytes (c0 0c - compression pointer) and then
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// 1 more byte representing the email_addr length.
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// TODO: email_addr probably shouldn't be parsed this way. The email_addr length byte is probably there to parse this in a more robust way
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// we just have to figure that out
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//record.email_addr = unpackLabels(new Uint8Array(ab), record.rdstart+offset, { byteLength: 0, cpcount: 0, labels: [], name: '' }).name;
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// Serial Number
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record.sn = dv.getUint32(dv.byteLength - 20);
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// Refresh Interval
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Binary file not shown.
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@ -1,203 +0,0 @@
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{
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"header": {
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"id": 23924,
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"qr": 1,
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"opcode": 0,
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"aa": 0,
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"tc": 0,
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"rd": 1,
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"ra": 1,
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"res1": 0,
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"res2": 0,
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"res3": 0,
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"rcode": 0
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},
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"qdcount": 1,
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"ancount": 1,
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"nscount": 4,
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"arcount": 4,
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"question": [
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{
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"name": "google.com",
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"type": 6,
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"typeName": "SOA",
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"class": 1,
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"className": "IN",
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"byteLength": 16,
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"labels": [
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"google",
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"com"
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],
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"cpcount": 0
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}
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],
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"answer": [
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{
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"name": "google.com",
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"type": 6,
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"typeName": "SOA",
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"class": 1,
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"className": "IN",
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"byteLength": 50,
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"labels": [
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"google",
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"com"
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],
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"cpcount": 1,
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"rdstart": 40,
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"rdlength": 38,
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"ttl": 60,
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"sn": 149208434,
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"ref": 900,
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"ret": 900,
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"ex": 1800,
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"nx": 60
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}
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],
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"authority": [
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{
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"name": "google.com",
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"type": 2,
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"typeName": "NS",
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"class": 1,
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"className": "IN",
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"byteLength": 18,
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"labels": [
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"google",
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"com"
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],
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"cpcount": 1,
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"rdstart": 90,
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"rdlength": 6,
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"ttl": 57847,
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"data": "ns2.google.com"
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},
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{
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"name": "google.com",
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"type": 2,
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"typeName": "NS",
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"class": 1,
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"className": "IN",
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"byteLength": 14,
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"labels": [
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"google",
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"com"
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],
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"cpcount": 1,
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"rdstart": 108,
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"rdlength": 2,
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"ttl": 57847,
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"data": "ns4.google.com"
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},
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{
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"name": "google.com",
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"type": 2,
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"typeName": "NS",
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"class": 1,
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"className": "IN",
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"byteLength": 18,
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"labels": [
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"google",
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"com"
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],
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"cpcount": 1,
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"rdstart": 122,
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"rdlength": 6,
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"ttl": 57847,
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"data": "ns1.google.com"
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},
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{
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"name": "google.com",
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"type": 2,
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"typeName": "NS",
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"class": 1,
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"className": "IN",
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"byteLength": 18,
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"labels": [
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"google",
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"com"
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],
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"cpcount": 1,
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"rdstart": 140,
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"rdlength": 6,
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"ttl": 57847,
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"data": "ns3.google.com"
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}
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],
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"edns_options": [],
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"additional": [
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{
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"name": "ns1.google.com",
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"type": 1,
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"typeName": "A",
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"class": 1,
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"className": "IN",
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"byteLength": 16,
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"labels": [
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"ns1",
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"google",
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"com"
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],
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"cpcount": 2,
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"rdstart": 158,
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"rdlength": 4,
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"ttl": 57850,
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"address": "216.239.32.10"
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},
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{
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"name": "ns2.google.com",
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"type": 1,
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"typeName": "A",
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"class": 1,
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"className": "IN",
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"byteLength": 16,
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"labels": [
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"ns2",
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"google",
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"com"
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],
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"cpcount": 2,
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"rdstart": 174,
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"rdlength": 4,
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"ttl": 57839,
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"address": "216.239.34.10"
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},
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{
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"name": "ns3.google.com",
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"type": 1,
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"typeName": "A",
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"class": 1,
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"className": "IN",
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"byteLength": 16,
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"labels": [
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"ns3",
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"google",
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"com"
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],
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"cpcount": 2,
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"rdstart": 190,
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"rdlength": 4,
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"ttl": 57861,
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"address": "216.239.36.10"
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},
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{
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"name": "ns4.google.com",
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"type": 1,
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"typeName": "A",
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"class": 1,
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"className": "IN",
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"byteLength": 16,
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"labels": [
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"ns4",
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"google",
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"com"
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],
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"cpcount": 2,
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"rdstart": 206,
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"rdlength": 4,
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"ttl": 57850,
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"address": "216.239.38.10"
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}
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],
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"byteLength": 210
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}
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Binary file not shown.
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@ -1,19 +0,0 @@
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{
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"header": {
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"id": 23924,
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"qr": 0,
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"opcode": 0,
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"aa": 0,
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"tc": 0,
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"rd": 1,
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"ra": 0,
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"rcode": 0
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},
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"question": [
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{
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"name": "google.com",
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"typeName": "SOA",
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"className": "IN"
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}
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]
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}
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