Hostname
esf.org
Last fetched
esf.org has no current public IPv4 resolution in WhisperGraph; WHOIS lists iana:151 as the registrar.
Nutrition Label
Resolution chain
esf.org has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.
WHOIS identity
- Registrar
- iana:151
- Organization
- esf
- Contact emails
Subdomains
55 observed subdomains of esf.org.
Showing 25 of 55. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from esf.org in the public web crawl.
1,395 sites link to this hostname.
201 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for esf.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | ameos.net |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 212.234.224.203 |
| SPF_IP | 34.248.128.200 |
Related pages
Pivot deeper into the graph from esf.org.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "esf.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.