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Hostname

sei-info.co.jp

Last fetched

sei-info.co.jp resolves to 1 IPv4 address operated by AS2527 in JP.

Nutrition Label

WHISPER CANON · sei-info.co.jpRouting diversity1.5/10Peering density3.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/sei-info.co.jp

Resolution chain

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

IPPrefixASNOperatorCountry
159.28.116.60159.28.64.0/18AS2527—JP

WHOIS identity

Registrar
—
Organization
sumitomo electric information systems co.,ltd.
Contact emails
—

Subdomains

2 observed subdomains of sei-info.co.jp.

Subdomain
mkt.sei-info.co.jp
www.sei-info.co.jp

Web-graph footprint

Distinct hostnames that link to or from sei-info.co.jp in the public web crawl.

260 sites link to this hostname.

158 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 sei-info.co.jp.

MechanismTarget
SPF_INCLUDEmktomail.com
SPF_INCLUDEspf.smktg.jp
SPF_IP133.242.247.134
SPF_IP153.125.133.72
SPF_IP210.128.0.156/32
SPF_IP219.106.230.200/29
SPF_IP60.56.229.0/28

Related pages

Pivot deeper into the graph from sei-info.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "sei-info.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.