Skip to content

Hostname

guzman.cz

Last fetched

guzman.cz resolves to 1 IPv4 address operated by AS25234 in CZ. WHOIS lists registrar:reg-web4u as the registrar.

Nutrition Label

WHISPER CANON · guzman.czRouting diversity1.5/10Peering density3.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/guzman.cz

Resolution chain

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

IPPrefixASNOperatorCountry
31.15.10.16731.15.8.0/21AS25234—CZ

WHOIS identity

Registrar
registrar:reg-web4u
Organization
marek guzman
Contact emails
—

Subdomains

2 observed subdomains of guzman.cz.

Subdomain
server.guzman.cz
www.guzman.cz

Web-graph footprint

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

5 sites link to this hostname.

16 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for guzman.cz.

MechanismTarget
SPF_Aguzman.cz
SPF_INCLUDE_spf.webglobe.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP81.91.83.234
SPF_MXguzman.cz

Related pages

Pivot deeper into the graph from guzman.cz.

Cypher and MCP

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

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