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Hostname

refo.co.jp

Last fetched

refo.co.jp resolves to 1 IPv4 address operated by AS7684 in JP.

Nutrition Label

WHISPER CANON · refo.co.jpRouting diversity1.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint8.0/10canon.whisper.security/host/refo.co.jp

Resolution chain

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

IPPrefixASNOperatorCountry
133.242.249.237133.242.0.0/16AS7684—JP

WHOIS identity

Registrar
—
Organization
tetsuado shuppan
Contact emails
—

Subdomains

2 observed subdomains of refo.co.jp.

Subdomain
mail.refo.co.jp
www.refo.co.jp

Web-graph footprint

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

12 sites link to this hostname.

7 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for refo.co.jp.

MechanismTarget
SPF_IP183.181.91.156
SPF_IP2001:278:1033:5:0:0:75:141
SPF_IP2001:278:1033:5:0:0:75:151
SPF_IP2001:278:1033:5:0:0:75:49
SPF_IP210.197.75.141
SPF_IP210.197.75.151
SPF_MXrefo.co.jp

Related pages

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

Cypher and MCP

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

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