Hostname
eff.org
Last fetched
eff.org resolves to 1 IPv4 address operated by CONCEPTCAPAS - Cowen Group, Inc in US. WHOIS lists iana:81 as the registrar.
Nutrition Label
Resolution chain
eff.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 |
|---|---|---|---|---|
| 173.239.79.200 | 173.239.64.0/20 | AS32354 | CONCEPTCAPAS - Cowen Group, Inc | US |
WHOIS identity
- Registrar
- iana:81
- Organization
- electronic frontier foundation
- Contact emails
Subdomains
118 observed subdomains of eff.org.
Showing 25 of 118. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from eff.org in the public web crawl.
29,941 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for eff.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | salsalabs.org |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | spf1.eff.org |
| SPF_INCLUDE | spf2.eff.org |
| SPF_IP | 173.239.79.202 |
| SPF_MX | eff.org |
Related pages
Pivot deeper into the graph from eff.org.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "eff.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.