<html><body><div style="color:#000; background-color:#fff; font-family:Courier New, courier, monaco, monospace, sans-serif;font-size:12pt"><div><span style="font-size: 10px;">Here is the example.com zone file and example.com db file, without the AAAA record.</span></div><div style="color: rgb(0, 0, 0); font-size: 10px; font-family: 'Courier New', courier, monaco, monospace, sans-serif; background-color: transparent; font-style: normal;"><span style="font-size: 10px;"><br></span></div><div style="background-color: transparent;"><span style="font-size: 10px;">zone "example.com"{</span></div><div style="background-color: transparent;"><span style="font-size: 10px;">type master;</span></div><div style="background-color: transparent;"><span style="font-size: 10px;">file "/etc/bind/db.example.com";</span></div><div style="background-color: transparent;"><span style="font-size: 10px;">forwarders {};</span></div><div style="background-color: transparent;"><span
style="font-size: 10px;"></span></div><div style="background-color: transparent;"><span style="font-size: 10px;">};</span></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 10px; font-family: 'Courier New', courier, monaco, monospace, sans-serif; font-style: normal;"><span style="font-size: 10px;"><br></span></div><div><span style="font-size: x-small;">;</span></div><div><span style="font-size: x-small;">; BIND data file for example.com</span></div><div><span style="font-size: x-small;">;</span></div><div><span style="font-size: x-small;">$TTL<span class="Apple-tab-span" style="white-space:pre"> </span>604800</span></div><div><span style="font-size: x-small;">@<span class="Apple-tab-span" style="white-space:pre"> </span>IN<span class="Apple-tab-span" style="white-space:pre"> </span>SOA<span class="Apple-tab-span" style="white-space:pre"> </span>ns.example.com. root.example.com. (</span></div><div><span style="font-size:
x-small;"><span class="Apple-tab-span" style="white-space:pre"> </span> 20<span class="Apple-tab-span" style="white-space:pre"> </span>; Serial</span></div><div><span style="font-size: x-small;"><span class="Apple-tab-span" style="white-space:pre"> </span> 1800<span class="Apple-tab-span" style="white-space:pre"> </span>; Refresh</span></div><div><span style="font-size: x-small;"><span class="Apple-tab-span" style="white-space:pre"> </span> 900<span class="Apple-tab-span" style="white-space:pre"> </span>; Retry</span></div><div><span style="font-size: x-small;"><span class="Apple-tab-span" style="white-space:pre"> </span>2419200<span class="Apple-tab-span" style="white-space:pre"> </span>; Expire</span></div><div><span style="font-size: x-small;"><span class="Apple-tab-span" style="white-space:pre"> </span> 1200 )<span class="Apple-tab-span" style="white-space:pre"> </span>; Negative Cache
TTL</span></div><div><span style="font-size: x-small;">;main domain name server</span></div><div><span style="font-size: x-small;">@<span class="Apple-tab-span" style="white-space:pre"> </span>IN<span class="Apple-tab-span" style="white-space:pre"> </span>NS<span class="Apple-tab-span" style="white-space:pre"> </span>ns.example.com.</span></div><div><span style="font-size: x-small;">@ IN A 10.10.1.50</span></div><div><span style="font-size: x-small;">ns IN A 10.10.1.50</span></div><div><span style="font-size: x-small;"><br></span></div><div><span style="font-size: x-small;">;CNAME section to direct query to LB. This should</span></div><div><span style="font-size: x-small;">;match service name in LB</span></div><div><span style="font-size: x-small;"><br></span></div><div><span style="font-size: x-small;">;alias to GSLB for
www</span></div><div><span style="font-size: x-small;">www IN CNAME www.gslb.example.com.</span></div><div><br></div><div><span style="font-size: x-small;">;sub-domain delegation to LB</span></div><div><span style="font-size: x-small;"><br></span></div><div><span style="font-size: x-small;">gslb IN NS LB1.gslb.example.com. ; primary dns vip-east</span></div><div><span style="font-size: x-small;"></span></div><div><span style="font-size: x-small;">LB1.gslb IN A 10.10.1.101 ; primary glue record</span></div><div style="font-family: 'Courier New', courier, monaco, monospace, sans-serif; font-size: 12pt;"><br></div><div style="font-family: 'Courier New', courier, monaco, monospace, sans-serif; font-size: 12pt;"><br></div> <div style="font-family: 'Courier New', courier, monaco, monospace, sans-serif; font-size: 12pt;"> <div style="font-family: 'times new roman', 'new york', times, serif; font-size:
12pt;"> <div dir="ltr"> <hr size="1"> <font size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> Matus UHLAR - fantomas <uhlar@fantomas.sk><br> <b><span style="font-weight: bold;">To:</span></b> bind-users@lists.isc.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, June 27, 2013 3:25 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: servfail response message question<br> </font> </div> <div class="y_msg_container"><br>On 26.06.13 13:20, RYAN CHERVENKA wrote:<br>>The Ubuntu server is delegating a sub-domain to the LB. The LB is<br>> authoritative for the domain and is responding to client requests<br><br>for the domain or the subdomain?<br><br>> correctly. I removed the @ IN AAAA ::1 from the db file within the<br>> primary domain and the response was sent back to the client from the<br>> ubuntu server. Leaving the ipv6 RR in the zone db file caused
the<br>> servfail. I don't know why.<br><br>It would be best if you provided us those domains, if they are accessible<br>from us.<br><br>however I have noticed many different issues with any kinds of DNS load<br>balancers...<br>-- <br>Matus UHLAR - fantomas, <a ymailto="mailto:uhlar@fantomas.sk" href="mailto:uhlar@fantomas.sk">uhlar@fantomas.sk</a> ; <a href="http://www.fantomas.sk/" target="_blank">http://www.fantomas.sk/</a><br>Warning: I wish NOT to receive e-mail advertising to this address.<br>Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.<br>The 3 biggets disasters: Hiroshima 45, Tschernobyl 86, Windows 95<br>_______________________________________________<br>Please visit <a href="https://lists.isc.org/mailman/listinfo/bind-users" target="_blank">https://lists.isc.org/mailman/listinfo/bind-users </a>to unsubscribe from this list<br><br>bind-users mailing list<br><a ymailto="mailto:bind-users@lists.isc.org"
href="mailto:bind-users@lists.isc.org">bind-users@lists.isc.org</a><br><a href="https://lists.isc.org/mailman/listinfo/bind-users" target="_blank">https://lists.isc.org/mailman/listinfo/bind-users</a><br><br></div> </div> </div> </div></body></html>