Can anyone tell me why my MX record for the coop-uspto.gov domain are IP
addresses instead of hostnames?
[klear@dns1 conf]$ nslookup
> set type=mx
> coop-uspto.gov
Server: 10.240.11.20
Address: 10.240.11.20#53
Non-authoritative answer:
coop-uspto.gov mail exchanger = 5 151.207.128.23.coop-uspto.gov.
coop-uspto.gov mail exchanger = 5 151.207.128.22.coop-uspto.gov.
Authoritative answers can be found from:
coop-uspto.gov nameserver = dr-coopdns-1.coop-uspto.gov.
dr-coopdns-1.coop-uspto.gov internet address = 151.207.240.200
Here is the zone file for coop-uspto.gov
[klear@dr-coopdns-1 named]$ more db.coop-uspto
$TTL 7200
@ IN SOA dr-coopdns-1.coop-uspto.gov. nmb.uspto.gov. (
2011060708 ; serial number yyyy/mm/dd/## format
10800 ; refresh after 3 hour
3600 ; retry after 1 hour
604800 ; expire after 1 week
86400 ) ; minimum TTL 1 day
IN NS dr-coopdns-1.coop-uspto.gov.
localhost IN A 127.0.0.1
dr-coopdns-1 IN A 151.207.240.200
dr-idns-1 IN A 151.207.128.33
;COOP-USPTO MX record
coop-uspto.gov. IN MX 5 coop-mbxhc-0.coop-uspto.gov.
;coop-mbxhc-0 IN MX 5 coop-mbxhc-0.coop-uspto.gov.
;coop-mbxhc-1 IN MX 5 coop-mbxch-1.coop-uspto.gov.
coop-uspto.gov. IN MX 5 coop-mbxhc-1.coop-uspto.gov.
mailer IN A 151.207.128.131
;www
www IN A 151.207.128.134
@ IN A 151.207.128.134
coop-uspto-srv1 IN A 151.207.128.134
coop-dc-0 IN A 151.207.128.20
coop-dc-1 IN A 151.207.128.21
coop-mbxhc-0 IN A 151.207.128.22
webmail IN A 151.207.128.22
webmail IN A 151.207.128.23
autodiscover IN A 151.207.128.22
autodiscover IN A 151.207.128.23
coop-mbxhc-1 IN A 151.207.128.23
Thanks,
k
>
Karen Lear
Evolver EUS - Network Operations
Phone: 571-272-5314
email: karen.l...@uspto.gov
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