<div dir="ltr">FWIW, AWS made some changes... today, I think? They're now very diversified.<div><br></div><div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">        </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://ns4.p31.dynect.net">ns4.p31.dynect.net</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">    </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://u1.amazonaws.com">u1.amazonaws.com</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">        </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://u3.amazonaws.com">u3.amazonaws.com</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">        </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://u4.amazonaws.com">u4.amazonaws.com</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">        </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://pdns1.ultradns.net">pdns1.ultradns.net</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">    </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://u2.amazonaws.com">u2.amazonaws.com</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">        </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://pdns5.ultradns.info">pdns5.ultradns.info</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">  </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://u6.amazonaws.com">u6.amazonaws.com</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">        </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://pdns3.ultradns.org">pdns3.ultradns.org</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">    </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://u5.amazonaws.com">u5.amazonaws.com</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">        </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://ns1.p31.dynect.net">ns1.p31.dynect.net</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">    </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://ns3.p31.dynect.net">ns3.p31.dynect.net</a>.</font></div><div><font face="monospace, monospace"><a href="http://us-east-1.amazonaws.com">us-east-1.amazonaws.com</a>. 600   <span class="gmail-Apple-tab-span" style="white-space:pre">    </span>IN     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span>NS     <span class="gmail-Apple-tab-span" style="white-space:pre">     </span><a href="http://ns2.p31.dynect.net">ns2.p31.dynect.net</a>.</font></div></div><div class="gmail_extra"><div class="gmail_quote"><br></div><div class="gmail_quote">Now if the rest of the admins out there will figure out that if their service is depended on by more than 100 companies, they should really think about spreading their dns around. I'm very afraid of what happens when route53 gets knocked out.</div></div></div>