Hostname

cll.cz

Last fetched Mon, 29 Jun 2026 20:58:54 GMT

cll.cz resolves to 1 IPv4 address operated by AS24971 in CZ. WHOIS lists registrar:reg-webglobe as the registrar.

Nutrition Label

Resolution chain

cll.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
37.205.14.240	37.205.12.0/22	AS24971	—	CZ

WHOIS identity

Registrar: registrar:reg-webglobe
Organization: lukas smolej
Contact emails: —

Subdomains

1 observed subdomain of cll.cz.

Subdomain
www.cll.cz

Web-graph footprint

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

6 sites link to this hostname.

28 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

jaguar.blueboard.cz

SPF policy

3 SPF mechanisms authorising senders for cll.cz.

Mechanism	Target
SPF_A	cll.cz
SPF_INCLUDE	spf.blueboard.cz
SPF_MX	cll.cz

Pivot deeper into the graph from cll.cz.

Cypher and MCP

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

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