gnu.org
The domain gnu.org answers at IP address 209.51.188.116. Mail for gnu.org goes through 1 servers; the highest priority one is eggs.gnu.org. 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
- 209.51.188.116 184s
AAAA AAAA records
MX MX records
- 10 eggs.gnu.org 300s
NS NS records
- ns4.gnu.org 272s
- ns2.gnu.org 272s
- ns1.gnu.org 272s
TXT TXT records
- v=spf1 ip4:209.51.188.0/24 ip6:2001:470:142::/48 ip4:18.4.89.21 ip4:15.204.209.91 ip6:2604:2dc0:101:200::1d07 -all 300s
SOA SOA records
- ns1.gnu.org 300s
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 3 hours ago.