Hostname

celar.cz

Last fetched Fri, 03 Jul 2026 07:15:23 GMT

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

Nutrition Label

Resolution chain

celar.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
176.227.168.121	176.227.168.0/23	AS24971	—	CZ

WHOIS identity

Registrar: registrar:reg-webglobe
Organization: michal celar
Contact emails: —

Subdomains

4 observed subdomains of celar.cz.

Subdomain
import.celar.cz
mail.celar.cz
vm.celar.cz
www.celar.cz

Web-graph footprint

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

69 sites link to this hostname.

10 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.celar.cz

SPF policy

3 SPF mechanisms authorising senders for celar.cz.

Mechanism	Target
SPF_A	celar.cz
SPF_INCLUDE	_spfc.hostingsolutions.cz
SPF_MX	celar.cz

Pivot deeper into the graph from celar.cz.

Cypher and MCP

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

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