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Hostname

post.cz

Last fetched

post.cz resolves to 1 IPv4 address operated by AS43037 in CZ. WHOIS lists registrar:reg-seznam as the registrar.

Nutrition Label

WHISPER CANON · post.czRouting diversity1.5/10Peering density4.3/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency6.7/10Resolver footprint8.0/10canon.whisper.security/host/post.cz

Resolution chain

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

IPPrefixASNOperatorCountry
77.75.78.19677.75.104.0/21AS43037CZ

WHOIS identity

Registrar
registrar:reg-seznam
Organization
seznam.cz, a.s.
Contact emails

Subdomains

10 observed subdomains of post.cz.

Web-graph footprint

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

94 sites link to this hostname.

1 site linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

4 SPF mechanisms authorising senders for post.cz.

MechanismTarget
SPF_IP2a02:598::/32
SPF_IP77.75.76.0/23
SPF_IP77.75.78.0/23
SPF_MXpost.cz

Related pages

Pivot deeper into the graph from post.cz.

Cypher and MCP

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

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