Different answer when querying @server from different clients

Arthur Ramsey arthur_ramsey at mediture.com
Fri Mar 6 21:43:31 UTC 2015


I can't figure out why these two hosts resolve great.truchart.com 
differently when querying the authoritative server.

[root at dc01 ~]# dig +trace great.truchart.com @74.113.249.135

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6_6.1 <<>> +trace great.truchart.com @74.113.249.135
;; global options: +cmd
.			513596	IN	NS	i.root-servers.net.
.			513596	IN	NS	j.root-servers.net.
.			513596	IN	NS	f.root-servers.net.
.			513596	IN	NS	e.root-servers.net.
.			513596	IN	NS	m.root-servers.net.
.			513596	IN	NS	l.root-servers.net.
.			513596	IN	NS	c.root-servers.net.
.			513596	IN	NS	a.root-servers.net.
.			513596	IN	NS	g.root-servers.net.
.			513596	IN	NS	h.root-servers.net.
.			513596	IN	NS	b.root-servers.net.
.			513596	IN	NS	d.root-servers.net.
.			513596	IN	NS	k.root-servers.net.
;; Received 228 bytes from 74.113.249.135#53(74.113.249.135) in 125 ms

com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
;; Received 496 bytes from 198.41.0.4#53(198.41.0.4) in 121 ms

truchart.com.		172800	IN	NS	ns1.mediture.com.
truchart.com.		172800	IN	NS	ns2.mediture.com.
;; Received 113 bytes from 192.33.14.30#53(192.33.14.30) in 111 ms

great.truchart.com.	3600	IN	A	192.168.168.225
truchart.com.		86400	IN	NS	ns2.mediture.com.
truchart.com.		86400	IN	NS	ns1.mediture.com.
;; Received 129 bytes from 74.113.249.135#53(74.113.249.135) in 3 ms

[root at www02 ~]# dig +trace great.truchart.com @74.113.249.135

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.23.rc1.el6_5.1 <<>> +trace great.truchart.com @74.113.249.135
;; global options: +cmd
.			514584	IN	NS	d.root-servers.net.
.			514584	IN	NS	h.root-servers.net.
.			514584	IN	NS	l.root-servers.net.
.			514584	IN	NS	g.root-servers.net.
.			514584	IN	NS	j.root-servers.net.
.			514584	IN	NS	m.root-servers.net.
.			514584	IN	NS	b.root-servers.net.
.			514584	IN	NS	k.root-servers.net.
.			514584	IN	NS	a.root-servers.net.
.			514584	IN	NS	c.root-servers.net.
.			514584	IN	NS	e.root-servers.net.
.			514584	IN	NS	f.root-servers.net.
.			514584	IN	NS	i.root-servers.net.
;; Received 228 bytes from 74.113.249.135#53(74.113.249.135) in 183 ms

com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
;; Received 496 bytes from 202.12.27.33#53(202.12.27.33) in 267 ms

truchart.com.		172800	IN	NS	ns1.mediture.com.
truchart.com.		172800	IN	NS	ns2.mediture.com.
;; Received 113 bytes from 192.43.172.30#53(192.43.172.30) in 70 ms

great.truchart.com.	3600	IN	A	198.181.115.225
truchart.com.		86400	IN	NS	ns2.mediture.com.
truchart.com.		86400	IN	NS	ns1.mediture.com.
;; Received 129 bytes from 107.23.33.118#53(107.23.33.118) in 31 ms

-- 
Arthur Ramsey
Systems Administrator
Mediture
arthur_ramsey at mediture.com
952.400.0323

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