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Hostname

t4ap.cz

Last fetched

t4ap.cz resolves to 2 IPv4 addresses operated by AS198627 in CZ. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · t4ap.czRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/t4ap.cz

Resolution chain

t4ap.cz resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
185.184.254.10185.184.254.0/24AS198627—CZ
185.184.254.11185.184.254.0/24AS198627—CZ

WHOIS identity

Registrar
registrar:reg-active24
Organization
jaroslav lejsek
Contact emails
—

Subdomains

3 observed subdomains of t4ap.cz.

Subdomain
mailin1.t4ap.cz
mailin2.t4ap.cz
www.t4ap.cz

Web-graph footprint

Distinct hostnames that link to or from t4ap.cz in the public web crawl.

20 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for t4ap.cz.

MechanismTarget
SPF_At4ap.cz
SPF_INCLUDE_spf.myshoptet.com
SPF_INCLUDE_spf.websupport.sk
SPF_MXt4ap.cz

Related pages

Pivot deeper into the graph from t4ap.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "t4ap.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.