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Hostname

f2mailer.com

Last fetched

f2mailer.com resolves to 1 IPv4 address operated by AS3462 in TW. WHOIS lists iana:460 as the registrar.

Nutrition Label

WHISPER CANON · f2mailer.comRouting diversity1.5/10Peering density7.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint6.0/10canon.whisper.security/host/f2mailer.com

Resolution chain

f2mailer.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
125.227.243.151125.227.0.0/16AS3462—TW

WHOIS identity

Registrar
iana:460
Organization
domain admin
Contact emails

Subdomains

3 observed subdomains of f2mailer.com.

Subdomain
cm.f2mailer.com
to.f2mailer.com
www.f2mailer.com

Web-graph footprint

Distinct hostnames that link to or from f2mailer.com in the public web crawl.

15 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

6 SPF mechanisms authorising senders for f2mailer.com.

MechanismTarget
SPF_Af2mailer.com
SPF_INCLUDE_spf.google.com
SPF_INCLUDEspf.ms.hinet.net
SPF_IP125.227.242.0/24
SPF_IP211.22.246.0/24
SPF_MXf2mailer.com

Related pages

Pivot deeper into the graph from f2mailer.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "f2mailer.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.