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Hostname

sigma.cz

Last fetched

sigma.cz resolves to 1 IPv4 address operated by AS13036 in CZ. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · sigma.czRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint8.2/10canon.whisper.security/host/sigma.cz

Resolution chain

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

IPPrefixASNOperatorCountry
62.209.208.1362.209.192.0/18AS13036—CZ

WHOIS identity

Registrar
registrar:reg-active24
Organization
sigma oz spol. s r.o.
Contact emails
—

Subdomains

8 observed subdomains of sigma.cz.

Subdomain
intranet-test.sigma.cz
intranet.sigma.cz
mail.sigma.cz
meet.sigma.cz
vjezd.sigma.cz
vstup.sigma.cz
www.sigma.cz

Showing 7 of 8. View all subdomains →

Web-graph footprint

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

43 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for sigma.cz.

MechanismTarget
SPF_Amail.sigma.cz
SPF_INCLUDEspf.protection.outlook.com
SPF_MXsigma.cz

Related pages

Pivot deeper into the graph from sigma.cz.

Cypher and MCP

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

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