variable dig results

M. Meadows sun-guru at live.com
Fri Jan 6 13:28:49 UTC 2012


 
Wondering why we get variable results from the following command:    dig eftc.thehartford.com
(sometimes we get authority section and additional section feedback ... sometimes we don't)
 
Usually we see the following:
 
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> eftc.thehartford.com
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35955
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;eftc.thehartford.com.          IN      A
;; ANSWER SECTION:
eftc.thehartford.com.   120     IN      A       162.136.189.173
;; Query time: 94 msec
;; SERVER: 172.25.17.185#53(172.25.17.185)
;; WHEN: Fri Jan  6 07:23:07 2012
;; MSG SIZE  rcvd: 54

 
But occasionally we see :
 
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> eftc.thehartford.com ;; global options:  printcmd ;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64958 ;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4
 
;; QUESTION SECTION:
;eftc.thehartford.com.                   IN           A
 
;; ANSWER SECTION:
eftc.thehartford.com.     120        IN           A             162.136.189.173
 
;; AUTHORITY SECTION:
thehartford.com.             120        IN           NS          hfdns3.thehartford.com.
thehartford.com.             120        IN           NS          hfdns4.thehartford.com.
thehartford.com.             120        IN           NS          simns3.thehartford.com.
thehartford.com.             120        IN           NS          simns4.thehartford.com.
 
;; ADDITIONAL SECTION:
hfdns3.thehartford.com.               120        IN           A             162.136.188.3
hfdns4.thehartford.com.               120        IN           A             162.136.188.4
simns3.thehartford.com.               120        IN           A             162.136.190.3
simns4.thehartford.com.               120        IN           A             162.136.190.4
 
;; Query time: 52 msec
;; SERVER: 172.25.17.185#53(172.25.17.185) ;; WHEN: Fri Jan  6 00:10:02 2012 ;; MSG SIZE  rcvd: 202
 
 
I assume this is due to differences in response from different auth nameservers. If that's the case ... what does one have set up to return the 2nd response?
 
Thanks!
Martin Meadows
 
 


 

 		 	   		  
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