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Hostname

f4.ca

Last fetched

f4.ca resolves to 1 IPv4 address operated by GREENSHIELD - Green Shield Canada in US. WHOIS lists registrar:enom canada corp. as the registrar.

Nutrition Label

WHISPER CANON · f4.caRouting diversity1.5/10Peering density9.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/f4.ca

Resolution chain

f4.ca resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
208.111.35.132208.111.35.0/24AS36236GREENSHIELD - Green Shield CanadaUS

WHOIS identity

Registrar
registrar:enom canada corp.
Organization
—
Contact emails
—

Subdomains

7 observed subdomains of f4.ca.

Subdomain
_spf.f4.ca
www.f4.ca
ns2.f4.ca
ns1.f4.ca
mail.f4.ca
lists.f4.ca
chat.f4.ca

Web-graph footprint

Distinct hostnames that link to or from f4.ca in the public web crawl.

13 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for f4.ca.

MechanismTarget
SPF_INCLUDE_spf.f4.ca

Related pages

Pivot deeper into the graph from f4.ca.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "f4.ca"})-[: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.