Hostname

tkf.cz

Last fetched Thu, 16 Jul 2026 08:04:12 GMT

tkf.cz resolves to 1 IPv4 address operated by AS25234 in CZ. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

Resolution chain

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

IP	Prefix	ASN	Operator	Country
81.95.96.179	81.95.96.0/20	AS25234	—	CZ

WHOIS identity

Registrar: registrar:reg-active24
Organization: tomáš kubín
Contact emails: —

Subdomains

5 observed subdomains of tkf.cz.

Subdomain
joomla.tkf.cz
mail.tkf.cz
remote.tkf.cz
vpn.tkf.cz
www.tkf.cz

Web-graph footprint

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

56 sites link to this hostname.

31 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

tkf-cz.mail.protection.outlook.com

SPF policy

5 SPF mechanisms authorising senders for tkf.cz.

Mechanism	Target
SPF_A	tkf.cz
SPF_INCLUDE	spf.protection.outlook.com
SPF_IP	188.246.100.170
SPF_IP	80.188.175.242
SPF_IP	80.188.175.243

Pivot deeper into the graph from tkf.cz.

Cypher and MCP

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

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