Skip to content

Hostname

grcm.cz

Last fetched

grcm.cz resolves to 1 IPv4 address operated by AS24806 in CZ. WHOIS lists registrar:reg-websupport as the registrar.

Nutrition Label

WHISPER CANON · grcm.czRouting diversity1.5/10Peering density4.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint8.2/10canon.whisper.security/host/grcm.cz

Resolution chain

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

IPPrefixASNOperatorCountry
193.105.158.197193.105.158.0/23AS24806—CZ

WHOIS identity

Registrar
registrar:reg-websupport
Organization
golf resort černý most a.s.
Contact emails
—

Subdomains

8 observed subdomains of grcm.cz.

Subdomain
cdn.grcm.cz
cms.grcm.cz
eshop.grcm.cz
mail.grcm.cz
mailin1.grcm.cz
mailin2.grcm.cz
rezervace.grcm.cz
www.grcm.cz

Web-graph footprint

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

60 sites link to this hostname.

77 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for grcm.cz.

MechanismTarget
SPF_Agrcm.cz
SPF_INCLUDE_spf.m1.websupport.sk
SPF_INCLUDE_spf.previo.app
SPF_INCLUDEservers.mcsv.net
SPF_IP178.238.45.36
SPF_MXgrcm.cz

Related pages

Pivot deeper into the graph from grcm.cz.

Cypher and MCP

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

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