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Hostname

apera.cz

Last fetched

apera.cz resolves to 1 IPv4 address operated by AS35236 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

WHISPER CANON · apera.czRouting diversity1.5/10Peering density5.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/apera.cz

Resolution chain

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

IPPrefixASNOperatorCountry
45.91.28.13345.91.28.0/22AS35236—CZ

WHOIS identity

Registrar
registrar:reg-internet-cz
Organization
apera, s.r.o.
Contact emails
—

Subdomains

4 observed subdomains of apera.cz.

Subdomain
b2b.apera.cz
flexitools.apera.cz
server.apera.cz
www.apera.cz

Web-graph footprint

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

8 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for apera.cz.

MechanismTarget
SPF_Asmtp.vizus.cz
SPF_INCLUDE_spf.eso9.cz
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.sofishop.cz

Related pages

Pivot deeper into the graph from apera.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "apera.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

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