Skip to content

Hostname

deff.co.jp

Last fetched

deff.co.jp resolves to 1 IPv4 address operated by AS131965 in JP.

Nutrition Label

WHISPER CANON · deff.co.jpRouting diversity1.5/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/deff.co.jp

Resolution chain

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

IPPrefixASNOperatorCountry
202.226.36.33202.226.36.0/22AS131965—JP

WHOIS identity

Registrar
—
Organization
deff corporation
Contact emails
—

Subdomains

2 observed subdomains of deff.co.jp.

Subdomain
test.deff.co.jp
www.deff.co.jp

Web-graph footprint

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

100 sites link to this hostname.

87 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for deff.co.jp.

MechanismTarget
SPF_Adeff.co.jp
SPF_Asv32.sixcore.ne.jp
SPF_INCLUDEspf.sender.xserver.jp
SPF_MXdeff.co.jp

Related pages

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

Cypher and MCP

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

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