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Hostname

elfax.cz

Last fetched

elfax.cz resolves to 194.228.50.49, announced in 194.228.0.0/17 by O2-CZECH-REPUBLIC - O2 Czech Republic, a.s. in CZ. elfax.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 · elfax.czRouting diversity1.5/10Peering density7.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/elfax.cz

Resolution chain

IPv6 resolution

No AAAA record for elfax.cz is recorded in WhisperGraph.

Attribution

o2 czech republic

ORIGIN_AS

WHOIS identity

Registrar
registrar:reg-active24
Registrant organisation
elfax spol. s r.o.

Subdomains

Subdomain
data.elfax.cz
download.elfax.cz
mailin1.elfax.cz
mailin2.elfax.cz
www.elfax.cz

Showing 5 of 5 subdomains (5 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

Mail and authentication

Nameservers

  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

MX records

  • mailin1.elfax.cz
  • mailin2.elfax.cz

Threat-feed evidence

History

Related pages

Pivot from elfax.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: "elfax.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.