Back to DNS Lookup

DNS Lookup

gnu.org

gnu.org 36 ms

A Records (IPv4)

209.51.188.116

AAAA Records (IPv6)

2001:470:142:5::116

MX Records (Mail)

10 eggs.gnu.org

NS Records (Nameservers)

ns1.gnu.org

ns4.gnu.org

ns2.gnu.org

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

Want the full picture?

This is just one of 100+ checks BeaverCheck runs in a full website audit.

Run Full Audit →

Other reports for gnu.org

Security Headers

CSP, HSTS, X-Frame-Options grade for this site

SSL Certificate Checker

Inspect certificate validity, expiry, cipher suite, and chain — supports SNI.

Redirect Checker

Trace the full HTTP redirect chain, flag loops, and surface mixed-content downgrades.

Share this result: