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Hostname

psrn.jp

Last fetched

psrn.jp resolves to 1 IPv4 address operated by AS2514 in JP.

Nutrition Label

WHISPER CANON · psrn.jpRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency6.7/10Resolver footprint8.2/10canon.whisper.security/host/psrn.jp

Resolution chain

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

IPPrefixASNOperatorCountry
140.227.39.59140.227.0.0/16AS2514—JP

WHOIS identity

Registrar
—
Organization
brain consulting office
Contact emails

Subdomains

2 observed subdomains of psrn.jp.

Subdomain
prev.psrn.jp
www.psrn.jp

Web-graph footprint

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

178 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for psrn.jp.

MechanismTarget
SPF_Apsrn.jp
SPF_INCLUDE_spf.google.com
SPF_INCLUDEspf.htdb.jp
SPF_IP140.227.39.59

Related pages

Pivot deeper into the graph from psrn.jp.

Cypher and MCP

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

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