Hostname
crf.org
Last fetched
crf.org resolves to 1 IPv4 address operated by DIGITALOCEAN-ASN - DigitalOcean, LLC in US. WHOIS lists iana:2 as the registrar.
Nutrition Label
Resolution chain
crf.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 |
|---|---|---|---|---|
| 157.245.250.3 | 157.245.240.0/20 | AS14061 | DIGITALOCEAN-ASN - DigitalOcean, LLC | US |
WHOIS identity
- Registrar
- iana:2
- Organization
- cardiovascular research foundation
- Contact emails
Subdomains
70 observed subdomains of crf.org.
Showing 25 of 70. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from crf.org in the public web crawl.
210 sites link to this hostname.
59 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
5 SPF mechanisms authorising senders for crf.org.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | aspmx.pardot.com |
| SPF_INCLUDE | cust-spf.exacttarget.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | us._netblocks.mimecast.com |
| SPF_IP | 208.109.80.0/24 |
Related pages
Pivot deeper into the graph from crf.org.
- IP · 157.245.250.3
- ASN · AS14061DIGITALOCEAN-ASN - DigitalOcean, LLC
- Registrar · iana:2
- Country · US
- Email · no.valid.email@worldnic.com
- TLD · .org
- Browse hostnames · cr…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "crf.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.