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Hostname

operaceester.cz

Last fetched

operaceester.cz resolves to 1 IPv4 address operated by AS15685 in CZ.

Nutrition Label

WHISPER CANON · operaceester.czRouting diversity1.5/10Peering density4.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.6/10canon.whisper.security/host/operaceester.cz

Resolution chain

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

IPPrefixASNOperatorCountry
81.0.235.10481.0.232.0/21AS15685—CZ

WHOIS identity

No WHOIS records are currently associated with operaceester.cz in WhisperGraph.

Subdomains

2 observed subdomains of operaceester.cz.

Subdomain
mail.operaceester.cz
www.operaceester.cz

Web-graph footprint

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

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for operaceester.cz.

MechanismTarget
SPF_Aoperaceester.cz
SPF_INCLUDEspf.nethost.cz
SPF_MXoperaceester.cz

Related pages

Pivot deeper into the graph from operaceester.cz.

Cypher and MCP

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

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