mx2kb.rutgers.edu
The domain mx2kb.rutgers.edu answers at IP address 128.6.47.44. Mail for mx2kb.rutgers.edu goes through 2 servers; the highest priority one is mx2.rutgers.edu. 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
- 128.6.47.44 3600s
MX MX records
- 10 mx2.rutgers.edu 3600s
- 10 mx2kb.rutgers.edu 3600s
TXT TXT records
- v=spf1 ip4:128.6.47.43/32 ?all 3600s
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.
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