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Hostname

cse.cz

Last fetched

cse.cz resolves to 81.91.86.10, announced in 81.91.80.0/21 by WEB4U - Web4U s.r.o. in CZ. cse.cz 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 · cse.czRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/cse.cz

Resolution chain

Attribution

web4u

ORIGIN_AS

WHOIS identity

Registrar
registrar:reg-web4u
Registrant organisation
ceska spolecnost ekonomicka

Subdomains

Subdomain
mail.cse.cz
registrace.cse.cz
webmail.cse.cz
www.cse.cz

Showing 4 of 4 subdomains (4 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

  • ns.web4u.cz
  • ns2.web4u.cz

MX records

  • mx1.mailchannels.net
  • mx2.mailchannels.net

SPF policy

  • include: _spf.web4u.cz

Threat-feed evidence

History

Related pages

Pivot from cse.cz 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: "cse.cz"})-[: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.