mx.pao1.isc.org
The domain mx.pao1.isc.org answers at IP address 149.20.2.50. This domain declares no mail servers, so it cannot receive mail in its own name. It also publishes 1 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 149.20.2.50 7200s
AAAA AAAA records
- 2001:500:6b:2::50 7200s
TXT TXT records
- v=spf1 a -all 7200s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 4 hours ago.