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Hostname

cosfa.co.jp

Last fetched

cosfa.co.jp resolves to 1 IPv4 address operated by SAKURA-C - SAKURA Internet Inc. in JP.

Nutrition Label

WHISPER CANON · cosfa.co.jpRouting diversity1.5/10Peering density3.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/cosfa.co.jp

Resolution chain

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

IPPrefixASNOperatorCountry
49.212.117.8049.212.0.0/16AS9371SAKURA-C - SAKURA Internet Inc.JP

WHOIS identity

Registrar
—
Organization
iwase cosfa co.,ltd.
Contact emails
—

Subdomains

12 observed subdomains of cosfa.co.jp.

Subdomain
asaken.cosfa.co.jp
auth.cosfa.co.jp
board.cosfa.co.jp
column.cosfa.co.jp
essap.cosfa.co.jp
info.cosfa.co.jp
iwasecosfa-ios.cosfa.co.jp
opal.cosfa.co.jp
recruit.cosfa.co.jp
shikenconcierge.cosfa.co.jp
www.cosfa.co.jp

Showing 11 of 12. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from cosfa.co.jp in the public web crawl.

78 sites link to this hostname.

40 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for cosfa.co.jp.

MechanismTarget
SPF_INCLUDE_spf.activegate-ss.jp
SPF_INCLUDE_spf.google.com
SPF_INCLUDEaspmx.pardot.com
SPF_IP13.71.133.58/32
SPF_IP153.139.234.163
SPF_IP153.149.0.0/16

Related pages

Pivot deeper into the graph from cosfa.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cosfa.co.jp"})-[: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.