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Hostname

by.cz

Last fetched

by.cz resolves to 1 IPv4 address operated by AS39392 in CZ. WHOIS lists iana:795 as the registrar.

Nutrition Label

WHISPER CANON · by.czRouting diversity1.5/10Peering density8.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint3.2/10canon.whisper.security/host/by.cz

Resolution chain

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

IPPrefixASNOperatorCountry
46.234.123.24446.234.96.0/19AS39392—CZ

WHOIS identity

Registrar
iana:795
Organization
abeo s. r. o. - internet solutions
Contact emails

Subdomains

3 observed subdomains of by.cz.

Subdomain
pekserv.by.cz
www.by.cz

Showing 2 of 3. View all subdomains →

Web-graph footprint

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

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

Related pages

Pivot deeper into the graph from by.cz.

Cypher and MCP

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

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