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Hostname

actva.cz

Last fetched

actva.cz resolves to 6 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in IE. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · actva.czRouting diversity3.9/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/actva.cz

Resolution chain

actva.cz resolves to 6 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
108.128.116.186108.128.0.0/13AS16509AMAZON-02 - Amazon.com, Inc.IE
34.248.129.21234.248.0.0/13AS16509AMAZON-02 - Amazon.com, Inc.IE
52.31.91.7252.30.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.IE
52.48.33.3052.48.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.IE
52.49.15.22652.48.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.IE
54.195.16.15654.195.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.IE

WHOIS identity

Registrar
registrar:reg-active24
Organization
activa spol. s r.o.
Contact emails

Subdomains

1 observed subdomain of actva.cz.

Subdomain
i.actva.cz

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for actva.cz.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_IP90.182.7.163

Related pages

Pivot deeper into the graph from actva.cz.

Cypher and MCP

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

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