Hostname
crfb.org
Last fetched
crfb.org resolves to 1 IPv4 address operated by CONTE-25-BLA-RST - Contegix in US. WHOIS lists iana:146 as the registrar.
Nutrition Label
Resolution chain
crfb.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 |
|---|---|---|---|---|
| 162.249.104.43 | 162.249.104.0/21 | AS36473 | CONTE-25-BLA-RST - Contegix | US |
WHOIS identity
- Registrar
- iana:146
- Organization
- carol wait
- Contact emails
Subdomains
149 observed subdomains of crfb.org.
Showing 25 of 149. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from crfb.org in the public web crawl.
4,499 sites link to this hostname.
1,767 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for crfb.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spfprod.ngpvan.com |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | sparkpostmail.com |
| SPF_INCLUDE | spf.constantcontact.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 162.249.104.43 |
Related pages
Pivot deeper into the graph from crfb.org.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "crfb.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.