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Hostname

billcom.cz

Last fetched

billcom.cz resolves to 1 IPv4 address operated by AS24971 in CZ. WHOIS lists registrar:reg-zoner as the registrar.

Nutrition Label

WHISPER CANON · billcom.czRouting diversity1.5/10Peering density5.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.0/10canon.whisper.security/host/billcom.cz

Resolution chain

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

IPPrefixASNOperatorCountry
80.79.30.9980.79.16.0/20AS24971—CZ

WHOIS identity

Registrar
registrar:reg-zoner
Organization
billcom, s.r.o.
Contact emails

Subdomains

14 observed subdomains of billcom.cz.

Subdomain
app.billcom.cz
autologin.billcom.cz
cs.billcom.cz
digitoo.billcom.cz
docproxy.billcom.cz
f2.billcom.cz
flexi.billcom.cz
flexi2.billcom.cz
flexi3.billcom.cz
fw1.billcom.cz
fw2.billcom.cz
groupware.billcom.cz
mail.billcom.cz
www.billcom.cz

Web-graph footprint

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

8 sites link to this hostname.

22 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for billcom.cz.

MechanismTarget
SPF_Afw1.billcom.cz
SPF_Afw2.billcom.cz
SPF_Agroupware.billcom.cz
SPF_Arelay.zoner.com
SPF_INCLUDEspf.mioweb.cz
SPF_INCLUDEspf.smartemailing.cz
SPF_MXbillcom.cz

Related pages

Pivot deeper into the graph from billcom.cz.

Cypher and MCP

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

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