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DNS Server Does not resolve MX Record
We have a Windows 2003 DC and Windows 2008 R2 domain. DNS servers are install on both DCs. We host our own domain zone and host our own DNS servers.
Using nslookup , the DNS servers only resolve NS and SOA record . They does not resolve MX , PTR and ... records .The result outcome from querying MX record is like below:
domain.com
primary name server = ns01.domain.com
responsible mail addr = admin.domain.com
serial = 24376
Refresh = 900
Retry = 600
Expire = 86400
default TTL = 3600
I am able to resolve other external required:
> set q=mx
> google.com
Non-authoritative answer:
google.com MX preference = 40, mail exchanger = alt3.aspmx.l.google.com
google.com MX preference = 10, mail exchanger = aspmx.l.google.com
google.com MX preference = 50, mail exchanger = alt4.aspmx.l.google.com
google.com MX preference = 30, mail exchanger = alt2.aspmx.l.google.com
google.com MX preference = 20, mail exchanger = alt1.aspmx.l.google.com
alt3.aspmx.l.google.com internet address = 173.194.76.27
aspmx.l.google.com internet address = 74.125.129.27
alt4.aspmx.l.google.com internet address = 74.125.131.27
alt2.aspmx.l.google.com internet address = 74.125.137.27
alt1.aspmx.l.google.com internet address = 74.125.142.27
What can I do to resolve this?
Using nslookup , the DNS servers only resolve NS and SOA record . They does not resolve MX , PTR and ... records .The result outcome from querying MX record is like below:
domain.com
primary name server = ns01.domain.com
responsible mail addr = admin.domain.com
serial = 24376
Refresh = 900
Retry = 600
Expire = 86400
default TTL = 3600
I am able to resolve other external required:
> set q=mx
> google.com
Non-authoritative answer:
google.com MX preference = 40, mail exchanger = alt3.aspmx.l.google.com
google.com MX preference = 10, mail exchanger = aspmx.l.google.com
google.com MX preference = 50, mail exchanger = alt4.aspmx.l.google.com
google.com MX preference = 30, mail exchanger = alt2.aspmx.l.google.com
google.com MX preference = 20, mail exchanger = alt1.aspmx.l.google.com
alt3.aspmx.l.google.com internet address = 173.194.76.27
aspmx.l.google.com internet address = 74.125.129.27
alt4.aspmx.l.google.com internet address = 74.125.131.27
alt2.aspmx.l.google.com internet address = 74.125.137.27
alt1.aspmx.l.google.com internet address = 74.125.142.27
What can I do to resolve this?
If your local domain is the same as your internet domain then your DNS resolution will not forward requests for domains it already knows about. Is your LAN FQDN "domain.com" or do you have it set like "domain.local" or something else that is different?
You might also look at your configurations for the "company.com" zone in the DNS server to verify that is has entries for all of the hosts you want to resolve. If they do not exist, add them.
You might also look at your configurations for the "company.com" zone in the DNS server to verify that is has entries for all of the hosts you want to resolve. If they do not exist, add them.
SOLUTION
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> set type=all
> domain.com
Server: dc01vm.domain.com
Address: 10.10.101.40
domain.com internet address = 192.168.1.73
domain.com internet address = 192.168.1.4
domain.com internet address = 10.10.101.42
domain.com internet address = 10.10.101.40
domain.com internet address = 74.62.220.181
domain.com internet address = 10.10.101.0
domain.com internet address = 173.x.x.0
domain.com internet address = 10.10.101.37
domain.com internet address = 192.168.1.8
domain.com nameserver = itserver001.domain.com
domain.com nameserver = dc02vm.domain.com
domain.com nameserver = jupiter.domain.com
domain.com nameserver = dc03vm.domain.com
domain.com nameserver = dc01vm.domain.com
domain.com
primary name server = dc01vm.domain.com
responsible mail addr = administrator.domain.com
serial = 461767
refresh = 900 (15 mins)
retry = 600 (10 mins)
expire = 86400 (1 day)
default TTL = 3600 (1 hour)
domain.com MX preference = 10, mail exchanger = 192.168.1.22
itserver001.domain.com internet address = 192.168.1.8
dc02vm.domain.com internet address = 10.10.101.42
jupiter.domain.com internet address = 192.168.1.4
dc03vm.domain.com internet address = 192.168.1.73
dc01vm.domain.com internet address = 10.10.101.40
>
> domain.com
Server: dc01vm.domain.com
Address: 10.10.101.40
domain.com internet address = 192.168.1.73
domain.com internet address = 192.168.1.4
domain.com internet address = 10.10.101.42
domain.com internet address = 10.10.101.40
domain.com internet address = 74.62.220.181
domain.com internet address = 10.10.101.0
domain.com internet address = 173.x.x.0
domain.com internet address = 10.10.101.37
domain.com internet address = 192.168.1.8
domain.com nameserver = itserver001.domain.com
domain.com nameserver = dc02vm.domain.com
domain.com nameserver = jupiter.domain.com
domain.com nameserver = dc03vm.domain.com
domain.com nameserver = dc01vm.domain.com
domain.com
primary name server = dc01vm.domain.com
responsible mail addr = administrator.domain.com
serial = 461767
refresh = 900 (15 mins)
retry = 600 (10 mins)
expire = 86400 (1 day)
default TTL = 3600 (1 hour)
domain.com MX preference = 10, mail exchanger = 192.168.1.22
itserver001.domain.com internet address = 192.168.1.8
dc02vm.domain.com internet address = 10.10.101.42
jupiter.domain.com internet address = 192.168.1.4
dc03vm.domain.com internet address = 192.168.1.73
dc01vm.domain.com internet address = 10.10.101.40
>
ASKER CERTIFIED SOLUTION
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good article
However, not much is given, a partial zone file or screenshots of the DNS zones and nslookup outputs from failed queries would be helpful.