DNS TTL problem
Andras Kende
andras at kende.com
Wed Dec 22 07:18:15 PST 2004
-----Original Message-----
From: owner-freebsd-questions at freebsd.org
[mailto:owner-freebsd-questions at freebsd.org] On Behalf Of Mark Frasa
Sent: Wednesday, December 22, 2004 5:48 AM
To: freebsd-questions at freebsd.org
Subject: DNS TTL problem
Hello,
I am using a djbdns DNS server which operates almost perfect.
There is 1 small problem, i have for my domain frasa.net 2 namservers:
frasa.net. 3600 IN NS ns1.frasa.net.
frasa.net. 3600 IN NS ns2.frasa.net.
This is when i resolve directly on ns1.frasa.net or ns2.frasa.net
When I resolve on my ISP's nameserver and serveral others:
frasa.net. 172800 IN NS ns1.frasa.net.
frasa.net. 172800 IN NS ns2.frasa.net.
The problem is that this is a TTL of 2 days. When i Trace the dig, is see
that
the root servers are providing the 2 days TTL:
;; Received 512 bytes from 198.32.64.12#53(l.root-servers.net) in 169 ms
frasa.net. 172800 IN NS ns1.frasa.net.
frasa.net. 172800 IN NS ns2.frasa.net.
;; Received 95 bytes from 192.42.93.30#53(G.GTLD-SERVERS.net) in 154 ms
Can anyone explain this behaviour?
Cheers Mark.
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Hello Mark,
This is absolutely normal... The 172800 is the parent servers
(G.GTLD-SERVERS.net) for your NS records which is default... while 3600 is
at your nameserver.
Take a look here:
http://www.dnsstuff.com/tools/dnstime.ch?name=frasa.net&type=A
http://www.dnsreport.com/tools/dnsreport.ch?domain=frasa.net
Try dnsreport.com with some other domains you will see...
Andras Kende
http://www.kende.com
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