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Hostname

perner.cz

Last fetched

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

Nutrition Label

WHISPER CANON · perner.czRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/perner.cz

Resolution chain

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

IPPrefixASNOperatorCountry
81.2.194.6981.2.192.0/18AS24806—CZ

WHOIS identity

Registrar
registrar:reg-webglobe
Organization
institut jana pernera, o.p.s.
Contact emails
—

Subdomains

1 observed subdomain of perner.cz.

Subdomain
www.perner.cz

Web-graph footprint

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

14 sites link to this hostname.

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for perner.cz.

MechanismTarget
SPF_INCLUDE_spf.ignum.cz

Related pages

Pivot deeper into the graph from perner.cz.

Cypher and MCP

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

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