<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Greetings and Salutations:<div><br></div><div>I have an issue with domain names not resolving, and I am pretty sure it has something to do with our NAT'ing and our DNS, though I cannot be positive.<br><div><div><br class="webkit-block-placeholder"></div><div>We host a large number of domains, and we have noticed that the domains are not resolving properly outside of the local network. Two of the domains are <a href="http://comsiteconstruction.com">comsiteconstruction.com</a> and <a href="http://radiotowerinstallers.com">radiotowerinstallers.com</a>.</div><div><br></div><div>When I ping them I get something to the extent of:</div><div><br></div><div><div>ping <a href="http://radiotowerinstallers.com">radiotowerinstallers.com</a></div><div>PING <a href="http://radiotowerinstallers.com">radiotowerinstallers.com</a> (10.0.0.200): 56 data bytes</div><div>64 bytes from <b>10.0.0.200</b>: icmp_seq=0 ttl=64 time=50.060 ms</div><div><br></div><div><div>ping <a href="http://comsiteconstruction.com">comsiteconstruction.com</a></div><div>PING <a href="http://comsiteconstruction.com">comsiteconstruction.com</a> (10.0.0.140): 56 data bytes</div><div>64 bytes from <b>10.0.0.140</b>: icmp_seq=0 ttl=64 time=40.006 ms</div><div><br></div><div>Pings from outside our network</div><div><a href="http://network-tools.com/default.asp?prog=ping&host=comsiteconstruction.com">http://network-tools.com/default.asp?prog=ping&host=comsiteconstruction.com</a></div><div><div><br></div><div>Ping 216.132.149.141</div><div><br></div><div>[<a href="http://comsiteconstruction.com">comsiteconstruction.com</a>]</div><div><br></div><div>Round trip time to 216.132.149.141: 417 ms</div><div>Round trip time to 216.132.149.141: 529 ms</div><div>Round trip time to 216.132.149.141: 723 ms</div><div>Timed out</div><div>Timed out</div><div>Timed out</div><div>Round trip time to 216.132.149.141: 501 ms</div><div>Timed out</div><div>Round trip time to 216.132.149.141: 508 ms</div><div>Round trip time to 216.132.149.141: 173 ms</div><div><br></div><div>Average time over 10 pings: 285.1 ms</div></div><div><br></div><div><a href="http://network-tools.com/default.asp?prog=ping&host=radiotowerinstallers.com">http://network-tools.com/default.asp?prog=ping&host=radiotowerinstallers.com</a></div><div><br></div><div><div>Ping</div><div><br></div><div>[<a href="http://radiotowerinstallers.com">radiotowerinstallers.com</a>]</div><div><br></div><div>Bad destination</div><div>Bad destination</div><div>Bad destination</div><div>Bad destination</div><div>Bad destination</div><div>Bad destination</div><div>Bad destination</div><div>Bad destination</div><div>Bad destination</div><div>Bad destination</div><div><br></div><div>Average time over 10 pings: 0 ms</div></div><div><br></div><div><br></div><div>We're using a Cisco 3700 with a 1:1NAT. The webservers are configured with the internal IPs.</div><div><div><br></div><div>Here's a link that gives some more information regarding our DNS issues:</div><div><a href="http://www.dnsstuff.com/tools/dnsreport?domain=comsiteconstruction.com&format=raw&loadresults=true&token=2631b81c48a7cd4d17c01c08180f2013">http://www.dnsstuff.com/tools/dnsreport?domain=comsiteconstruction.com&format=raw&loadresults=true&token=2631b81c48a7cd4d17c01c08180f2013</a></div></div></div></div><div><br class="webkit-block-placeholder"></div><div>Please let me know if I can give any more information.</div><div>
<div><br class="Apple-interchange-newline">Kind regards,</div><div><br><div><font class="Apple-style-span" face="Verdana" size="3"><span class="Apple-style-span" style="font-size: 12px; "><font class="Apple-style-span" size="2"><span class="Apple-style-span" style="font-size: 10px; ">Titus Bolton<br>Antenna Systems & Solutions, Inc.<br>931 Albion Avenue<br>Schaumburg, Illinois 60193-4550<br>United States of America<br>Phone: +1-847-584-1000 Fax: +1-847-584-9951<br><a href="http://www.antennasystems.com/">http://www.antennasystems.com</a><br> <br>GSA Contract Number: GS-35F-0479T <br>Electronic Counter Measures, Trap and Trace Devices, and accessories.<br> <br>Watch our network broadcast television interviews on <a href="http://www.youtube.com/antennasystems">www.youtube.com/antennasystems</a><br> <br><b><i>Confidentiality note</i></b><i>: <br>This message is the property of Antenna Systems & Solutions, Inc. and contains information which may be privileged or confidential. It is meant only for the intended recipients and/or their authorized agents. If you believe you have received this message in error, please notify us immediately by return e-mail and destroy any printed or electronic copies of this message. Any unauthorized use, dissemination, disclosure, or copying of this message or the information contained in it, is strictly prohibited and may be unlawful. Thank you for your cooperation</i>.</span></font></span></font><br></div><div><font class="Apple-style-span" face="Verdana" size="2"><span class="Apple-style-span" style="font-size: 10px; "><br></span></font></div></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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