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Hostname

caa.cz

Last fetched

caa.cz resolves to 2 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · caa.czRouting diversity2.4/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency6.7/10Resolver footprint8.0/10canon.whisper.security/host/caa.cz

Resolution chain

caa.cz resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
166.117.182.121166.117.176.0/20AS16509AMAZON-02 - Amazon.com, Inc.US
166.117.94.37166.117.80.0/20AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

Registrar
registrar:reg-active24
Organization
urad pro civilni letectvi cr
Contact emails

Subdomains

33 observed subdomains of caa.cz.

Web-graph footprint

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

313 sites link to this hostname.

60 sites linked to from this hostname.

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for caa.cz.

MechanismTarget
SPF_IP193.86.115.34
SPF_IP193.86.115.37
SPF_IP193.86.115.84
SPF_IP2001:af0:8000:1e01:0:0:0:34
SPF_IP2001:af0:8000:1e01:0:0:0:37
SPF_IP2001:af0:8000:1e01:0:0:0:84
SPF_MXcaa.cz

Related pages

Pivot deeper into the graph from caa.cz.

Cypher and MCP

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

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