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Hostname

janrezac.com

Last fetched

janrezac.com resolves to 1 IPv4 address operated by AS43541 in CZ. WHOIS lists iana:1505 as the registrar.

Nutrition Label

WHISPER CANON · janrezac.comRouting diversity1.5/10Peering density4.7/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/janrezac.com

Resolution chain

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

IPPrefixASNOperatorCountry
217.16.180.79217.16.176.0/20AS43541—CZ

WHOIS identity

Registrar
iana:1505
Organization
jan rezac
Contact emails

Subdomains

1 observed subdomain of janrezac.com.

Subdomain
www.janrezac.com

Web-graph footprint

Distinct hostnames that link to or from janrezac.com in the public web crawl.

26 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for janrezac.com.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEservers.mcsv.net
SPF_IP217.16.190.84

Related pages

Pivot deeper into the graph from janrezac.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "janrezac.com"})-[: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.