Skip to content

Hostname

operanova.cz

Last fetched

operanova.cz resolves to 1 IPv4 address operated by AS60606 in CZ. WHOIS lists registrar:reg-webglobe as the registrar.

Nutrition Label

WHISPER CANON · operanova.czRouting diversity1.5/10Peering density3.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/operanova.cz

Resolution chain

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

IPPrefixASNOperatorCountry
91.239.200.5691.239.200.0/23AS60606—CZ

WHOIS identity

Registrar
registrar:reg-webglobe
Organization
národní divadlo
Contact emails
—

Subdomains

1 observed subdomain of operanova.cz.

Subdomain
www.operanova.cz

Web-graph footprint

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

8 sites link to this hostname.

33 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for operanova.cz.

MechanismTarget
SPF_Aoperanova.cz
SPF_INCLUDE_spf.webglobe.cz
SPF_MXoperanova.cz

Related pages

Pivot deeper into the graph from operanova.cz.

Cypher and MCP

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

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