diff --git a/index.js b/index.js
index 6df82d1..4a7f22d 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,29 @@
 'use strict';
 /*global Promise*/
+
+if (process.version.match(/^v(\d+)/)[1] > 6) {
+  console.warn();
+  console.warn('#########################');
+  console.warn('# Node v6 Compatibility #');
+  console.warn('#########################');
+  console.warn();
+  console.warn("You're using node " + process.version);
+  console.warn(
+    'Please write node-v6 compatible JavaScript (not Babel/ECMAScript) and test with node v6.'
+  );
+  console.warn();
+  console.warn(
+    '(ACME.js and Greenlock.js are widely deployed in enterprise node v6 environments. The few node v6 bugs in Buffer and Promise are hotfixed by ACME.js in just a few lines of code)'
+  );
+  console.warn();
+}
+require('./node-v6-compat.js');
+
+// Load _after_ node v6 compat
 var crypto = require('crypto');
+var promisify = require('util').promisify;
+var request = require('@root/request');
+request = promisify(request);
 
 module.exports.create = function() {
   throw new Error(
@@ -10,13 +33,12 @@ module.exports.create = function() {
 
 // ignore all of this, it's just to normalize Promise vs node-style callback thunk vs synchronous
 function promiseCheckAndCatch(obj, name) {
-  var promisify = require('util').promisify;
   // don't loose this-ness, just in case that's important
   var fn = obj[name].bind(obj);
   var promiser;
 
   // function signature must match, or an error will be thrown
-  if (1 === fn.length) {
+  if (fn.length <= 1) {
     // wrap so that synchronous errors are caught (alsa handles synchronous results)
     promiser = function(opts) {
       return Promise.resolve().then(function() {
@@ -27,13 +49,11 @@ function promiseCheckAndCatch(obj, name) {
     // wrap as a promise
     promiser = promisify(fn);
   } else {
-    return Promise.reject(
-      new Error(
-        "'challenge." +
-          name +
-          "' should accept either one argument, the options," +
-          ' and return a Promise or accept two arguments, the options and a node-style callback thunk'
-      )
+    throw new Error(
+      "'challenge." +
+        name +
+        "' should accept either one argument, the options," +
+        ' and return a Promise or accept two arguments, the options and a node-style callback thunk'
     );
   }
 
@@ -42,7 +62,7 @@ function promiseCheckAndCatch(obj, name) {
       throw new Error(
         "'challenge.'" +
           name +
-          "' should never return `undefined`. Please explicitly return null" +
+          "' should never return `undefined`. Please explicitly `return null`" +
           " (or fix the place where a value should have been returned but wasn't)."
       );
     }
@@ -79,6 +99,7 @@ function newZoneRegExp(zonename) {
   //  fooexample.com
   return new RegExp('(^|\\.)' + zonename.replace(/\./g, '\\.') + '$');
 }
+
 function pluckZone(zones, dnsHost) {
   return zones
     .filter(function(zonename) {
@@ -95,155 +116,201 @@ function pluckZone(zones, dnsHost) {
 // Here's the meat, where the tests are happening:
 function testEach(type, domains, challenger) {
   var chr = wrapChallenger(type, challenger);
-  var all = domains.map(function(d) {
-    return { domain: d };
-  });
+  // We want the same rnd for all domains so that we catch errors like removing
+  // the apex (bare) domain TXT record to when creating the wildcard record
   var rnd = crypto.randomBytes(2).toString('hex');
 
   console.info("Testing each of '%s'", domains.join(', '));
-  return chr.zones({ dnsHosts: domains }).then(function(zones) {
-    return mapAsync(all, function(opts) {
-      var zone = pluckZone(zones, opts.domain);
-      opts.challenge = fakeChallenge(type, zone, opts.domain, rnd);
-      var ch = opts.challenge;
-      if ('http-01' === ch.type && ch.wildname) {
-        throw new Error('http-01 cannot be used for wildcard domains');
-      }
 
-      // The first time we just check it against itself
-      // this will cause the prompt to appear
-      return chr.set(opts).then(function() {
-        // this will cause the final completion message to appear
-        // _test is used by the manual cli reference implementations
-        var query = { type: ch.type, /*debug*/ status: ch.status, _test: true };
-        if ('http-01' === ch.type) {
-          query.identifier = ch.identifier;
-          query.token = ch.token;
-          // For testing only
-          query.url = ch.challengeUrl;
-        } else if ('dns-01' === ch.type) {
-          query.identifier = { type: 'dns', value: ch.dnsHost };
-          // For testing only
-          query.altname = ch.altname;
-          // there should only be two possible TXT records per challenge domain:
-          // one for the bare domain, and the other if and only if there's a wildcard
-          query.wildcard = ch.wildcard;
-          query.dnsAuthorization = ch.dnsAuthorization;
-          query.dnsZone = ch.dnsZone;
-          query.dnsPrefix = ch.dnsPrefix;
-        } else {
-          query = JSON.parse(JSON.stringify(ch));
-          query.comment = 'unknown challenge type, supplying everything';
-        }
-        opts.query = query;
-        return opts;
-      });
+  //
+  // Zones
+  //
+  // Get ALL zones for all records on the certificate
+  //
+  return chr
+    .init({ request: request })
+    .then(function() {
+      return chr.zones({ request: request, dnsHosts: domains });
     })
-      .then(function(all) {
-        return mapAsync(all, function(opts) {
-          var ch = opts.challenge;
-          return chr.get({ challenge: opts.query }).then(function(secret) {
-            if ('string' === typeof secret) {
-              console.info(
-                'secret was passed as a string, which works historically, but should be an object instead:'
-              );
-              console.info('{ "keyAuthorization": "' + secret + '" }');
-              console.info('or');
-              // TODO this should be "keyAuthorizationDigest"
-              console.info('{ "dnsAuthorization": "' + secret + '" }');
-              console.info(
-                'This is to help keep acme / greenlock (and associated plugins) future-proof for new challenge types'
-              );
-            }
-            // historically 'secret' has been a string, but I'd like it to transition to be an object.
-            // to make it backwards compatible in v2.7 to change it,
-            // so I'm not sure that we really need to.
-            if ('http-01' === ch.type) {
-              secret = secret.keyAuthorization || secret;
-              if (ch.keyAuthorization !== secret) {
-                throw new Error(
-                  "http-01 challenge.get() returned '" +
-                    secret +
-                    "', which does not match the keyAuthorization" +
-                    " saved with challenge.set(), which was '" +
-                    ch.keyAuthorization +
-                    "'"
-                );
-              }
-            } else if ('dns-01' === ch.type) {
-              secret = secret.dnsAuthorization || secret;
-              if (ch.dnsAuthorization !== secret) {
-                throw new Error(
-                  "dns-01 challenge.get() returned '" +
-                    secret +
-                    "', which does not match the dnsAuthorization" +
-                    " (keyAuthDigest) saved with challenge.set(), which was '" +
-                    ch.dnsAuthorization +
-                    "'"
-                );
-              }
-            } else {
-              if ('tls-alpn-01' === ch.type) {
-                console.warn(
-                  "'tls-alpn-01' support is in development" +
-                    " (or developed and we haven't update this yet). Please contact us."
-                );
-              } else {
-                console.warn(
-                  "We don't know how to test '" +
-                    ch.type +
-                    "'... are you sure that's a thing?"
-                );
-              }
-              secret = secret.keyAuthorization || secret;
-              if (ch.keyAuthorization !== secret) {
-                console.warn(
-                  "The returned value doesn't match keyAuthorization",
-                  ch.keyAuthorization,
-                  secret
-                );
-              }
-            }
+    .then(function(zones) {
+      var all = domains.map(function(domain) {
+        var zone = pluckZone(zones, domain);
+        return {
+          domain: domain,
+          challenge: fakeChallenge(type, zone, domain, rnd),
+          request: request
+        };
+      });
+
+      // resolving for the sake of same indentation / scope
+      return Promise.resolve()
+        .then(function() {
+          return mapAsync(all, function(opts) {
+            return set(chr, opts);
           });
-        });
-      })
-      .then(function() {
-        return mapAsync(all, function(opts) {
-          return chr.remove(opts).then(function() {
-            return chr.get(opts).then(function(result) {
-              if (result) {
-                throw new Error(
-                  'challenge.remove() should have made it not possible for challenge.get() to return a value'
-                );
-              }
-              if (null !== result) {
-                throw new Error(
-                  'challenge.get() should return null when the value is not set'
-                );
-              }
+        })
+        .then(function() {
+          return mapAsync(all, function(opts) {
+            return check(chr, opts);
+          });
+        })
+        .then(function() {
+          return mapAsync(all, function(opts) {
+            return remove(chr, opts).then(function() {
               console.info("PASS '%s'", opts.domain);
             });
           });
+        })
+        .then(function() {
+          console.info();
+          console.info('It looks like the soft tests all passed.');
+          console.log('It is highly likely that your plugin is correct.');
+          console.log(
+            'Now go test with Greenlock.js and/or ACME.js to be sure.'
+          );
+          console.info();
         });
-      })
-      .then(function() {
-        console.info('All soft tests: PASS');
-        console.warn(
-          'Hard tests (actually checking http URLs and dns records) is implemented in acme-v2.'
-        );
-        console.warn(
-          "We'll copy them over here as well, but that's a TODO for next week."
-        );
-      });
+    });
+}
+
+function set(chr, opts) {
+  var ch = opts.challenge;
+  if ('http-01' === ch.type && ch.wildname) {
+    throw new Error('http-01 cannot be used for wildcard domains');
+  }
+
+  //
+  // Set
+  //
+  // Add (not replace) a TXT for the domain
+  //
+  return chr.set(opts).then(function() {
+    // _test is used by the manual cli reference implementations
+    var query = { type: ch.type, /*debug*/ status: ch.status, _test: true };
+    if ('http-01' === ch.type) {
+      query.identifier = ch.identifier;
+      query.token = ch.token;
+      // For testing only
+      query.url = ch.challengeUrl;
+    } else if ('dns-01' === ch.type) {
+      query.identifier = { type: 'dns', value: ch.dnsHost };
+      // For testing only
+      query.altname = ch.altname;
+      // there should only be two possible TXT records per challenge domain:
+      // one for the bare domain, and the other if and only if there's a wildcard
+      query.wildcard = ch.wildcard;
+      query.dnsAuthorization = ch.dnsAuthorization;
+      query.dnsZone = ch.dnsZone;
+      query.dnsPrefix = ch.dnsPrefix;
+    } else {
+      query = JSON.parse(JSON.stringify(ch));
+      query.comment = 'unknown challenge type, supplying everything';
+    }
+    opts.query = query;
+    return opts;
   });
 }
 
-function testZone(type, zone, challenger) {
-  var domains = [zone, 'foo.' + zone];
-  if ('dns-01' === type) {
-    domains.push('*.foo.' + zone);
-  }
-  return testEach(type, domains, challenger);
+function check(chr, opts) {
+  var ch = opts.challenge;
+
+  //
+  // Get
+  //
+  // Check that ONE of the relevant TXT records matches
+  //
+  return chr
+    .get({ request: request, challenge: opts.query })
+    .then(function(secret) {
+      if (!secret) {
+        throw new Error(
+          '`secret` should be an object containing `keyAuthorization` or `dnsAuthorization`'
+        );
+      }
+      if ('string' === typeof secret) {
+        console.info(
+          'secret was passed as a string, which works historically, but should be an object instead:'
+        );
+        console.info('{ "keyAuthorization": "' + secret + '" }');
+        console.info('or');
+        // TODO this should be "keyAuthorizationDigest"
+        console.info('{ "dnsAuthorization": "' + secret + '" }');
+        console.info(
+          'This is to help keep acme / greenlock (and associated plugins) future-proof for new challenge types'
+        );
+      }
+      // historically 'secret' has been a string, but I'd like it to transition to be an object.
+      // to make it backwards compatible in v2.7 to change it,
+      // so I'm not sure that we really need to.
+      if ('http-01' === ch.type) {
+        secret = secret.keyAuthorization || secret;
+        if (ch.keyAuthorization !== secret) {
+          throw new Error(
+            "http-01 challenge.get() returned '" +
+              secret +
+              "', which does not match the keyAuthorization" +
+              " saved with challenge.set(), which was '" +
+              ch.keyAuthorization +
+              "'"
+          );
+        }
+      } else if ('dns-01' === ch.type) {
+        secret = secret.dnsAuthorization || secret;
+        if (ch.dnsAuthorization !== secret) {
+          throw new Error(
+            "dns-01 challenge.get() returned '" +
+              secret +
+              "', which does not match the dnsAuthorization" +
+              " (keyAuthDigest) saved with challenge.set(), which was '" +
+              ch.dnsAuthorization +
+              "'"
+          );
+        }
+      } else {
+        if ('tls-alpn-01' === ch.type) {
+          console.warn(
+            "'tls-alpn-01' support is in development" +
+              " (or developed and we haven't update this yet). Please contact us."
+          );
+        } else {
+          console.warn(
+            "We don't know how to test '" +
+              ch.type +
+              "'... are you sure that's a thing?"
+          );
+        }
+        secret = secret.keyAuthorization || secret;
+        if (ch.keyAuthorization !== secret) {
+          console.warn(
+            "The returned value doesn't match keyAuthorization",
+            ch.keyAuthorization,
+            secret
+          );
+        }
+      }
+    });
+}
+
+function remove(chr, opts) {
+  //
+  // Remove
+  //
+  // Delete ONLY the SINGLE relevant TXT record
+  //
+  return chr.remove(opts).then(function() {
+    return chr.get(opts).then(function(result) {
+      if (result) {
+        throw new Error(
+          'challenge.remove() should have made it not possible for challenge.get() to return a value'
+        );
+      }
+      if (null !== result) {
+        throw new Error(
+          'challenge.get() should return null when the value is not set'
+        );
+      }
+    });
+  });
 }
 
 function wrapChallenger(type, challenger) {
@@ -278,7 +345,14 @@ function wrapChallenger(type, challenger) {
     return;
   }
 
+  var init = challenger.init;
+  if ('function' !== typeof init) {
+    init = function(opts) {
+      return null;
+    };
+  }
   return {
+    init: promiseCheckAndCatch(challenger, 'init'),
     zones: zones,
     set: promiseCheckAndCatch(challenger, 'set'),
     get: promiseCheckAndCatch(challenger, 'get'),
@@ -309,6 +383,7 @@ function fakeChallenge(type, zone, altname, rnd) {
     thumbprint: thumb,
     keyAuthorization: keyAuth,
     url: null, // completed below
+    // we create a random record to prevent self cache-poisoning
     dnsHost: '_' + rnd.slice(0, 2) + '-acme-challenge-' + rnd.slice(2) + '.', // completed below
     dnsAuthorization: dnsAuth,
     altname: altname,
@@ -332,6 +407,14 @@ function fakeChallenge(type, zone, altname, rnd) {
   return challenge;
 }
 
+function testZone(type, zone, challenger) {
+  var domains = [zone, 'foo.' + zone];
+  if ('dns-01' === type) {
+    domains.push('*.foo.' + zone);
+  }
+  return testEach(type, domains, challenger);
+}
+
 function testRecord(type, altname, challenger) {
   return testEach(type, [altname], challenger);
 }
diff --git a/node-v6-compat.js b/node-v6-compat.js
new file mode 100644
index 0000000..df73e1e
--- /dev/null
+++ b/node-v6-compat.js
@@ -0,0 +1,25 @@
+"use strict";
+
+function requireBluebird() {
+	try {
+		return require("bluebird");
+	} catch (e) {
+		console.error("");
+		console.error("DON'T PANIC. You're running an old version of node with incomplete Promise support.");
+		console.error("EASY FIX: `npm install --save bluebird`");
+		console.error("");
+		throw e;
+	}
+}
+
+if ("undefined" === typeof Promise) {
+	global.Promise = requireBluebird();
+}
+
+if ("function" !== typeof require("util").promisify) {
+	require("util").promisify = requireBluebird().promisify;
+}
+
+if (!console.debug) {
+	console.debug = console.log;
+}
diff --git a/package.json b/package.json
index 6d35022..77d9883 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "acme-challenge-test",
-  "version": "3.2.1",
+  "version": "3.3.0",
   "description": "ACME challenge test harness for Let's Encrypt integrations. Any `acme-http-01-` or `acme-dns-01-` challenge strategy or Greenlock plugin should be able to pass these tests.",
   "main": "index.js",
   "homepage": "https://git.rootprojects.org/root/acme-challenge-test.js",