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Hostname

esf2.t4fr.com

Last fetched

esf2.t4fr.com resolves to 1 IPv4 address operated by AS-VULTR - The Constant Company, LLC in US.

Nutrition Label

WHISPER CANON · esf2.t4fr.comRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.0/10canon.whisper.security/host/esf2.t4fr.com

Resolution chain

esf2.t4fr.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
137.220.50.55137.220.48.0/22AS20473AS-VULTR - The Constant Company, LLCUS

WHOIS identity

No WHOIS records are currently associated with esf2.t4fr.com in WhisperGraph.

Subdomains

1 observed subdomain of esf2.t4fr.com.

Subdomain
mail.esf2.t4fr.com

Web-graph footprint

Distinct hostnames that link to or from esf2.t4fr.com in the public web crawl.

12 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for esf2.t4fr.com.

MechanismTarget
SPF_Aesf2.t4fr.com
SPF_At4fr.com
SPF_MXesf2.t4fr.com

Related pages

Pivot deeper into the graph from esf2.t4fr.com.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "esf2.t4fr.com"})-[: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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.