diff --git a/README.md b/README.md
index 06dcc78..bb400ce 100644
--- a/README.md
+++ b/README.md
@@ -1,16 +1,14 @@
-[![Join the chat at https://gitter.im/Daplie/letsencrypt-express](https://badges.gitter.im/Daplie/letsencrypt-express.svg)](https://gitter.im/Daplie/letsencrypt-express?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-
-| [letsencrypt](https://github.com/Daplie/node-letsencrypt) (library)
-| [letsencrypt-cli](https://github.com/Daplie/letsencrypt-cli)
-| [letsencrypt-express](https://github.com/Daplie/letsencrypt-express)
-| [letsencrypt-koa](https://github.com/Daplie/letsencrypt-koa)
-| [letsencrypt-hapi](https://github.com/Daplie/letsencrypt-hapi)
-|
-
 le-challenge-dns
 ================
 
-**For production** use [`le-challenge-ddns`](https://github.com/Daplie/le-challenge-ddns) (or a similar ddns tool)
+| Sponsored by [ppl](https://ppl.family)
+| [greenlock.js](https://git.coolaj86.com/coolaj86/greenlock.js) (library)
+| [greenlock-express.js](https://git.coolaj86.com/coolaj86/greenlock-express.js)
+| [greenlock-cli.js](https://git.coolaj86.com/coolaj86/greenlock-cli.js)
+| [acme-v2.js](https://git.coolaj86.com/coolaj86/acme-v2.js)
+|
+
+**For production** use [`le-challenge-ddns`](https://git.coolaj86.com/coolaj86/le-challenge-ddns) (or a similar ddns tool)
 
 A manual (interactive CLI) dns-based strategy for node-letsencrypt for setting, retrieving,
 and clearing ACME DNS-01 challenges issued by the ACME server
diff --git a/index.js b/index.js
index d1ba9bb..19cb102 100644
--- a/index.js
+++ b/index.js
@@ -5,7 +5,7 @@ var dns = PromiseA.promisifyAll(require('dns'));
 var Challenge = module.exports;
 
 Challenge.create = function (defaults) {
-  return  {
+  return {
     getOptions: function () {
       return defaults || {};
     }
@@ -74,3 +74,41 @@ Challenge.loopback = function (defaults, domain, challenge, done) {
   console.log("dig TXT +noall +answer @8.8.8.8 '" + challengeDomain + "' # " + challenge);
   dns.resolveTxtAsync(challengeDomain).then(function (x) { done(null, x); }, done);
 };
+
+Challenge.test = function (args, domain, challenge, keyAuthorization, done) {
+  var me = this;
+
+  args.test = args.test || '_test.';
+  defaults.test = args.test;
+
+  me.set(args, domain, challenge, keyAuthorization || challenge, function (err, k) {
+    if (err) { done(err); return; }
+
+    me.loopback(defaults, domain, challenge, function (err, arr) {
+      if (err) { done(err); return; }
+
+      if (!arr.some(function (a) {
+        return a.some(function (keyAuthDigest) {
+          return keyAuthDigest === k;
+        });
+      })) {
+        err = new Error("txt record '" + challenge + "' doesn't match '" + k + "'");
+      }
+
+      me.remove(defaults, domain, challenge, function (_err) {
+        if (_err) { done(_err); return; }
+
+        // TODO needs to use native-dns so that specific nameservers can be used
+        // (otherwise the cache will still have the old answer)
+        done(err || null);
+        /*
+        me.loopback(defaults, domain, challenge, function (err) {
+          if (err) { done(err); return; }
+
+          done();
+        });
+        */
+      });
+    });
+  });
+}
diff --git a/package.json b/package.json
index 6d9428f..354404c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "le-challenge-dns",
-  "version": "2.1.0",
+  "version": "2.2.1",
   "description": "A manual (interactive CLI) dns-based strategy for node-letsencrypt for setting, retrieving, and clearing ACME DNS-01 challenges issued by the ACME server",
   "main": "index.js",
   "scripts": {
@@ -8,7 +8,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/Daplie/le-challenge-dns.git"
+    "url": "git+https://git.coolaj86.com/coolaj86/le-challenge-dns.js.git"
   },
   "keywords": [
     "le",
@@ -20,6 +20,8 @@
     "interactive",
     "cli",
     "acme",
+    "Let's Encrypt v2",
+    "LetsEncrypt",
     "challenge",
     "dns",
     "cluster",
@@ -28,9 +30,9 @@
   "author": "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com/)",
   "license": "(MIT OR Apache-2.0)",
   "bugs": {
-    "url": "https://github.com/Daplie/le-challenge-dns/issues"
+    "url": "https://git.coolaj86.com/coolaj86/le-challenge-dns.js/issues"
   },
-  "homepage": "https://github.com/Daplie/le-challenge-dns#readme",
+  "homepage": "https://git.coolaj86.com/coolaj86/le-challenge-dns.js",
   "dependencies": {
   }
 }