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+++ Simanta Jyoti Handique [linux-india] <04/01/02 14:13 +0530>:
> The nameserver at .101 has an entry for home.egenisys.com. The .103
> nameserver does not.
> If I ping home.egenisys.com, I get a reply
> ping: unknown host home.egenisys.com
> Isn't it that if I have two nameserver entries in my resolv.conf and one of
> them is not able to resolve a request, the system would query the next
> nameserver? I'm running RedHat7.1 on both systems
The problem is that as this is a LAN mailserver you are running (likely
connected to the 'net as well) your 103 box will attempt to look up
home.egenisys.com from egenisys' actual nameservers
suresh@mjollnir 16:48:08 [~]$ host -t NS egenisys.com
egenisys.com name server DNS.GENISYS.CO.UK
egenisys.com name server NS2.INDIALINKS.com
which, most likely, will return an NXDOMAIN for the query home.egenisys.com
suresh@mjollnir 16:50:54 [~]$ dig home.egenisys.com
; <<>> DiG 8.3 <<>> home.egenisys.com
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;; home.egenisys.com, type = A, class = IN
;; AUTHORITY SECTION:
egenisys.com. 1H IN SOA dns.genisys.co.uk. postmaster.genisys.co.uk. (
2001101506 ; serial
15M ; refresh
10M ; retry
1D ; expiry
1H ) ; minimum
;; Total query time: 339 msec
;; FROM: mjollnir.outblaze.com to SERVER: default -- 192.168.2.1
;; WHEN: Fri Jan 4 16:50:45 2002
;; MSG SIZE sent: 35 rcvd: 111
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> **********************************************************************
Oh yeah? In that case, see .sig ...
- --
Suresh Ramasubramanian <----> mallet <at> efn dot org
EMail Sturmbannfuhrer, Lower Middle Class Unix Sysadmin
Opening and reading this e-mail obligates the reader to
buy me dinner at the best five star hotel in the city,
or alternatively sign over his property to my name.
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