Hostname
gnu.org
Last fetched
gnu.org resolves to 1 IPv4 address operated by FREEASINFREEDOM - Free Software Foundation, Inc. in US. WHOIS lists iana:81 as the registrar.
Nutrition Label
Resolution chain
gnu.org resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 209.51.188.116 | 209.51.188.0/24 | AS22989 | FREEASINFREEDOM - Free Software Foundation, Inc. | US |
WHOIS identity
- Registrar
- iana:81
- Organization
- free software foundation
- Contact emails
Subdomains
117 observed subdomains of gnu.org.
Showing 25 of 117. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from gnu.org in the public web crawl.
74,786 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for gnu.org.
| Mechanism | Target |
|---|---|
| SPF_IP | 2001:470:142::/48 |
| SPF_IP | 209.51.188.0/24 |
| SPF_IP | 2603:3005:71a:2e00::/64 |
| SPF_IP | 74.94.156.208/28 |
Related pages
Pivot deeper into the graph from gnu.org.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "gnu.org"})-[:RESOLVES_TO]->(ip:IPV4)
-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
-[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20Or query Whisper from your own LLM workflow via the Whisper MCP server.