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Dns server Resolve

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Dns server Resolve

nmshastri
Lan :

ip range : 199.37.54.1 - 199.37.54.255

Subnet Mask : 255.255.255.0

Default Gateway : 199.37.54.188

DNS : 199.37.54.80
203.88.135.250


DNS :

PDC.SPEC.COM : 199.37.54.80

ADS.SPEC.COM : 199.37.54.9 ( after problem happen stop this server )

Dns server Setting :

NO zone transfer
allow dynamic update secure only ... ( Genral Tab )


now what happen ..


since last 7 days if anyuer goes to internet .. his local ip comes like this

before 7 days ago

suppose ping command given >> ping aster

answer : Pinging aster.SPEC.COM [199.37.54.51] with 32 bytes of data:

ping works fine ..


but now what happen

uppose ping command given >> ping aster

answer : Pinging aster.SPEC.COM [12.161.84.96] with 32 bytes of data:

request time out ....
( Note : some time change ip to 12.161.84.98 i mean to say all range .. comes not unique )


Notes:


1.we are using private ip rage .. ( 199.37.54.0. range )
2.this ip 12.161.84.96 is registered for spec.com . Not our but original from karnatak ..

i think our dns server goes out side ..

when ever i have make nslookup

C:\WINNT>nslookup
Default Server: pdc.spec.com
Address: 199.37.54.80

> server 203.88.135.250
DNS request timed out.
timeout was 2 seconds.
Default Server: [203.88.135.250
Address: 203.88.135.250

> www.yahoo.com
Server: [203.88.135.250]
Address: 203.88.135.250

DNS request timed out.
timeout was 2 seconds.
Non-authoritative answer:
Name: www.yahoo-ht2.akadns.ne
Address: 209.131.36.158
Aliases: www.yahoo.com

> spec.com
Server: [203.88.135.250]
Address: 203.88.135.250

Non-authoritative answer:
Name: spec.com.SPEC.COM
Address: 12.161.84.98

> google.co.in
Server: [203.88.135.250]
Address: 203.88.135.250

Non-authoritative answer:
Name: google.co.in.SPEC.COM
Address: 12.161.84.98