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Hostname

gcg.cz

Last fetched

gcg.cz resolves to 1 IPv4 address operated by BlueTone-AS - RADIOKOMUNIKACE a.s. in CZ. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · gcg.czRouting diversity1.5/10Peering density6.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/gcg.cz

Resolution chain

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

IPPrefixASNOperatorCountry
84.244.76.10184.244.64.0/18AS25248BlueTone-AS - RADIOKOMUNIKACE a.s.CZ

WHOIS identity

Registrar
registrar:reg-active24
Organization
golf club grabstejn
Contact emails
—

Subdomains

3 observed subdomains of gcg.cz.

Subdomain
mailin1.gcg.cz
mailin2.gcg.cz
www.gcg.cz

Web-graph footprint

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

31 sites link to this hostname.

10 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for gcg.cz.

MechanismTarget
SPF_INCLUDEspf.active24.com
SPF_IP84.244.76.101

Related pages

Pivot deeper into the graph from gcg.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "gcg.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.