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Hostname

lutner.cz

Last fetched

lutner.cz resolves to 2 IPv4 addresses operated by WEB4U - Web4U s.r.o. in CZ.

Nutrition Label

WHISPER CANON · lutner.czRouting diversity1.5/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/lutner.cz

Resolution chain

lutner.cz resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
81.91.85.12981.91.80.0/21AS39790WEB4U - Web4U s.r.o.CZ
81.91.85.13481.91.80.0/21AS39790WEB4U - Web4U s.r.o.CZ

WHOIS identity

No WHOIS records are currently associated with lutner.cz in WhisperGraph.

Subdomains

5 observed subdomains of lutner.cz.

Subdomain
foto.lutner.cz
mail.lutner.cz
pavel.lutner.cz
www.lutner.cz

Showing 4 of 5. View all subdomains →

Web-graph footprint

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

Sample inbound links

Threat posture

History

Mail and authentication

MX records

Related pages

Pivot deeper into the graph from lutner.cz.

Cypher and MCP

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

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