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I use Win7 inside a vpn, and my organization have a few dns suffixes that are used:

a.myorg
b.myorg
c.myorg

and I'm using the server server.c.myorg.

And some of the time when I do ping server, the correct suffix is appended, and the correct ip is resolved.

but on other times, ping server will try to ping server.a.myorg, get a weird ip (10.10.10.10) and fail.

I did nslookup to the dns servers with those results:

server -> correct ip

server.c.myorg -> correct ip

server.a.myorg -> non existing domain

I'm trying to figure why some of the time the incorrect suffix is being appended.

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  • Why would you expect your DNS resolver to know to append the third search domain in the list instead of the first?
    – Spiff
    Jul 26, 2015 at 6:09
  • the same setup worked in the past. I think that the resolver tries all of the suffixes and will use the first one that exists. That means that some how the resolver gets an ip for server.a.myorg. I just can't figure out from where
    – lev
    Jul 26, 2015 at 9:49

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