Hostname

frej.cz

Last fetched Tue, 30 Jun 2026 02:16:25 GMT

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

Nutrition Label

Resolution chain

frej.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
81.95.96.178	81.95.96.0/20	AS25234	—	CZ

WHOIS identity

Registrar: registrar:reg-wedos
Organization: david frej
Contact emails: —

Subdomains

9 observed subdomains of frej.cz.

Subdomain
advana.frej.cz
ayurveda.frej.cz
beta.frej.cz
davidfrej.frej.cz
detox.frej.cz
dr.frej.cz
skrytyzabijak.frej.cz
www.frej.cz

Showing 8 of 9. View all subdomains →

Web-graph footprint

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

Sample inbound links

wheretobuybest.link

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for frej.cz.

Mechanism	Target
SPF_INCLUDE	spf.active24.com
SPF_IP	2a02:4a8:ac24:108:0:0:96:178
SPF_IP	2a02:4a8:ac24:110:0:0:10:115
SPF_IP	2a02:4a8:ac24:110:0:0:10:124
SPF_IP	31.15.10.115
SPF_IP	31.15.10.124
SPF_IP	81.95.96.178

Pivot deeper into the graph from frej.cz.

Cypher and MCP

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

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