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Weird response when doing NSLOOKUP

Posted on 2011-09-21
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Last Modified: 2012-05-12
Hello,

When I do a NSLOOKUP on users systems and servers, I'm getting this:

C:\Users\nimda>nslookup app
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa
        primary name server = 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0.0.0.0.0.0.0.ip6.arpa
        responsible mail addr = (root)
        serial  = 0
        refresh = 28800 (8 hours)
        retry   = 7200 (2 hours)
        expire  = 604800 (7 days)
        default TTL = 86400 (1 day)
Server:  UnKnown
Address:  ::1

Name:    app.RAPA.local
Address:  192.168.1.176

What is all those 10000000?

Thanks,

nimdatx
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Question by:Jaime Campos
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8 Comments
 
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Author Comment

by:Jaime Campos
ID: 36575632
Not sure why I have nancywilson computer name listed twice with two differant IPs?

 DNS
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Author Comment

by:Jaime Campos
ID: 36575639
This is the image I meant to attach.

 DNS2
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LVL 21

Expert Comment

by:Papertrip
ID: 36575664
What is all those 10000000?
That is the IPv6 loopback address, equivalent to 127.0.0.1 for IPv4.
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LVL 21

Expert Comment

by:Papertrip
ID: 36575678
Not sure why I have nancywilson computer name listed twice with two differant IPs?
You can have the same DNS name in multiple PTR records.  What you can't have is the same PTR record pointing to more than 1 name.
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Author Comment

by:Jaime Campos
ID: 36575688
Can you explain the image with duplicate computer names? Also why does it say Server: Unknown?
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Author Comment

by:Jaime Campos
ID: 36575748
Under DNS Manager I have some other duplicates. Can you explain if this is ok?

 DNSFLUZ
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Accepted Solution

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Papertrip earned 2000 total points
ID: 36575768
I did explain it.  It's not going to break anything, you probably have 2 corresponding A records for that computer as well.  If both IP's listed for a computer are actually configured on the computer, then there shouldn't be any problems.

It says Server: UnKnown because there is no PTR record for that IPv6 address, you need to setup the reverse zone for it.
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Author Comment

by:Jaime Campos
ID: 36575955
Thanks.
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