fsf.org
The domain fsf.org answers at IP address 209.51.188.174. Mail for fsf.org goes through 1 servers; the highest priority one is mail.fsf.org. It also publishes 2 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 209.51.188.174 63s
AAAA AAAA records
- 2001:470:142:4::a 180s
MX MX records
- 10 mail.fsf.org 180s
NS NS records
- ns4.gnu.org 180s
- ns2.gnu.org 180s
- ns1.gnu.org 180s
TXT TXT records
- v=spf1 redirect=gnu.org 180s
- libera-asq123s 180s
SOA SOA records
- ns1.gnu.org 180s
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.