<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><P><BR>Hello List,</P>
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<P>I've run into an issue that has me stumped for the time being. I'm working on a website that is hosted on a delegated subdomain. The site is www-mbclive.mbc.irides.com. The mbc.irides.com subdomain is delegated to two Barracuda load balancers known as dns1.mbc.irides.com and dns2.mbc.irides.com.</P>
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<P>DNS seems to work fine for the majority of our users, however, in the past week we've heard from many Verizon FIOS users that they are unable to visit the site due to resolution issues. One sent in a dig from his home computer and I was wondering why he doesn't receive an answer:</P>
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<P>scott$ dig @71.252.0.12 www-mbclive.mbc.irides.com</P>
<P>; <<>> DiG 9.6.0-APPLE-P2 <<>> @71.252.0.12 www-mbclive.mbc.irides.com<BR>; (1 server found)<BR>;; global options: +cmd<BR>;; Got answer:<BR>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62184<BR>;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0</P>
<P>;; QUESTION SECTION:<BR>;www-mbclive.mbc.irides.com. IN A</P>
<P>;; AUTHORITY SECTION:<BR>www-mbclive.mbc.irides.com. 10 IN SOA dns1.mbc.irides.com. 1. 3600 3600 3600 3600 3600</P>
<P>;; Query time: 20 msec<BR>;; SERVER: 71.252.0.12#53(71.252.0.12)<BR>;; WHEN: Mon Sep 13 21:31:08 2010<BR>;; MSG SIZE rcvd: 86</P>
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<P>Can anyone tell if there is a DNS issue on our end that may cause us to not play nice w/ Verizon? This issue just popped up in the last two weeks. Prior to that time visitors were not complaining. Any assistance is greatly appreciated.</P>
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<P>Thanks,</P>
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<P>Brad</P></div></body></html>