[TriLUG] DNS Question

[Jaimie Livingston]

What would cause nslookups to fail for some ips/hostnames and not others
when the information being looked up is in the same resource record files?

Example: 
10.2.1.1 and 10.2.1.20 are servers in the same zone and defined in the same
lookup and reverse lookup files...

[root at cajun2 haht]# nslookup 10.2.1.1
Server:  cajun2.srvr.haht.com
Address:  10.1.1.20

Name:    ralfw01.hi2.haht.com
Address:  10.2.1.1

[root at cajun2 haht]# nslookup ralfw01.hi2.haht.com
Server:  cajun2.srvr.haht.com
Address:  10.1.1.20

Name:    ralfw01.hi2.haht.com
Address:  10.2.1.1

[root at cajun2 haht]# nslookup 10.2.1.20
Server:  cajun2.srvr.haht.com
Address:  10.1.1.20

*** cajun2.srvr.haht.com can't find 10.2.1.20: Non-existent host/domain
[root at cajun2 haht]# nslookup raldns01.hi2.haht.com
Server:  cajun2.srvr.haht.com
Address:  10.1.1.20

Name:    ralvpn01.hi2.haht.com
Address:  10.2.1.20


Thanks,

Jaimie
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