<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><div><span>The "never changes" TTLs are from zones for which the server is authoritative. Otherwise, the TTL is the decrementing time-in-cash-before-required-refetchng.</span></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"><br><span></span></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;"><span>hth,</span></div><div style="color: rgb(0, 0, 0); font-size: 13.3333px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style:
normal;"><span>Len<br></span></div> <div class="qtdSeparateBR"><br><br></div><div style="display: block;" class="yahoo_quoted"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 10pt;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div dir="ltr"> <font face="Arial" size="2"> On Thursday, July 31, 2014 12:56 PM, Ray Van Dolson <rvandolson@esri.com> wrote:<br> </font> </div> <br><br> <div class="y_msg_container">Not BIND-related specifically... (though the server below could be<br>running BIND I suppose).<br><br>This seems weird. Why is this authoritative server returning *some*<br>answers with decrementing TTL's?<br><br>$ dig @ns1.dtra.mil dtra.mil NS<br><br>; <<>> DiG 9.7.4-P1-RedHat-9.7.4-2.P1.fc14 <<>> @ns1.dtra.mil dtra.mil NS<br>; (1 server found)<br>;; global options:
+cmd<br>;; Got answer:<br>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34658<br>;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0<br><br>;; QUESTION SECTION:<br>;dtra.mil. IN NS<br><br>;; ANSWER SECTION:<br>dtra.mil. 2002 IN NS ns1.dtra.mil.<br>dtra.mil. 3359 IN NS ns2.dtra.mil.<br><br>;; Query time: 92 msec<br>;; SERVER: 214.27.180.254#53(214.27.180.254)<br>;; WHEN: Thu Jul 31 12:47:33 2014<br>;; MSG SIZE rcvd: 62<br><br>$ dig @ns1.dtra.mil dtra.mil NS<br><br>; <<>> DiG 9.7.4-P1-RedHat-9.7.4-2.P1.fc14 <<>> @ns1.dtra.mil dtra.mil NS<br>; (1 server found)<br>;; global options: +cmd<br>;;
Got answer:<br>;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22108<br>;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0<br><br>;; QUESTION SECTION:<br>;dtra.mil. IN NS<br><br>;; ANSWER SECTION:<br>dtra.mil. 1999 IN NS ns1.dtra.mil.<br>dtra.mil. 3359 IN NS ns2.dtra.mil.<br><br>;; Query time: 90 msec<br>;; SERVER: 214.27.180.254#53(214.27.180.254)<br>;; WHEN: Thu Jul 31 12:47:35 2014<br>;; MSG SIZE rcvd: 62<br><br>Server behaves the same way even if I do the queries without recursion<br>desired...<br><br>Odd.<br><br>Ray<br>_______________________________________________<br>Please visit <a
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