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Hostname

fcb.cz

Last fetched

fcb.cz resolves to 1 IPv4 address operated by AS34222 in CZ. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · fcb.czRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency10.0/10Resolver footprint8.2/10canon.whisper.security/host/fcb.cz

Resolution chain

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

IPPrefixASNOperatorCountry
217.198.116.161217.198.112.0/20AS34222—CZ

WHOIS identity

Registrar
registrar:reg-active24
Organization
fc banik ostrava, a.s.
Contact emails

Subdomains

14 observed subdomains of fcb.cz.

Subdomain
100.fcb.cz
autodiscover.fcb.cz
clen.fcb.cz
karta.fcb.cz
mladez.fcb.cz
sto.fcb.cz
track.fcb.cz
webmail.fcb.cz
workflow.fcb.cz
www.fcb.cz
www2.fcb.cz

Showing 11 of 14. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from fcb.cz in the public web crawl.

234 sites link to this hostname.

178 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

9 SPF mechanisms authorising senders for fcb.cz.

MechanismTarget
SPF_Afcb.cz
SPF_INCLUDE_netblocks.google.com
SPF_INCLUDE_netblocks2.google.com
SPF_INCLUDE_netblocks3.google.com
SPF_INCLUDE_spf.mujha-vel.cz
SPF_INCLUDEspf.boldem.cz
SPF_INCLUDEspf.railsformers.com
SPF_IP46.234.119.233
SPF_MXfcb.cz

Related pages

Pivot deeper into the graph from fcb.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "fcb.cz"})-[: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.