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Hostname

s4e.jp

Last fetched

s4e.jp resolves to 153.127.198.66, announced in 153.127.192.0/19 by SAKURA-A - SAKURA Internet Inc. in JP. s4e.jp is not listed on any threat feed indexed by WhisperGraph; reconciled level NONE.

Threat posture

0threat score (procedure-native scale)

NONE

No threats observed.

Threat feeds listing this
0
Verdict coverage
known-clean

Nutrition Label

WHISPER CANON · s4e.jpRouting diversity1.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint8.0/10canon.whisper.security/host/s4e.jp

Resolution chain

IPv6 resolution

No AAAA record for s4e.jp is recorded in WhisperGraph.

Attribution

sakura

ORIGIN_AS

WHOIS identity

Registrant organisation
research institute of science for education
Contact emails
office@s4e.jp

Subdomains

Subdomain
iwww.s4e.jp
rst.s4e.jp
www.s4e.jp

Showing 3 of 3 subdomains (3 per page).

Web-graph footprint

Sampled `LINKS_TO` edges. The hyperlink layer is a pilot sample, not a web-scale crawl, so these are illustrative.

Sample inbound links

Sample outbound links

Mail and authentication

Nameservers

  • ns1.gslb9.sakura.ne.jp
  • ns2.gslb9.sakura.ne.jp
  • a.root-servers.net
  • b.root-servers.net
  • c.root-servers.net
  • d.root-servers.net
  • e.root-servers.net
  • f.root-servers.net
  • g.root-servers.net
  • h.root-servers.net
  • i.root-servers.net
  • j.root-servers.net
  • k.root-servers.net
  • l.root-servers.net
  • m.root-servers.net

MX records

  • s4e.sakura.ne.jp

SPF policy

  • ip: 49.212.235.232/32
  • a: www1525.sakura.ne.jp
  • a: www3492.sakura.ne.jp
  • ip: 153.125.129.198
  • ip: 219.94.163.165
  • ip: 2403:3a00:101:22:49:212:235:232
  • ip: 2403:3a00:101:f:219:94:163:165

Threat-feed evidence

History

Related pages

Pivot from s4e.jp into the addresses, networks and registries it depends on.

Cypher and MCP

Reproduce this hostname's resolution chain against graph.whisper.security:

MATCH (h:HOSTNAME {name: "s4e.jp"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, a.name AS asn, n.name AS network
LIMIT 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.