Skip to content

Hostname

brt.cz

Last fetched

brt.cz resolves to 1 IPv4 address operated by AS8648 in DE. WHOIS lists registrar:reg-webglobe as the registrar.

Nutrition Label

WHISPER CANON · brt.czRouting diversity1.5/10Peering density6.5/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/brt.cz

Resolution chain

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

IPPrefixASNOperatorCountry
185.102.21.79185.102.21.0/24AS8648—DE

WHOIS identity

Registrar
registrar:reg-webglobe
Organization
milan maděryč
Contact emails
—

Subdomains

5 observed subdomains of brt.cz.

Subdomain
mail.brt.cz
ns.brt.cz
press.brt.cz
www.brt.cz

Showing 4 of 5. View all subdomains →

Web-graph footprint

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

6 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for brt.cz.

MechanismTarget
SPF_Abrt.cz
SPF_INCLUDE_spf.ignum.eu
SPF_MXbrt.cz

Related pages

Pivot deeper into the graph from brt.cz.

Cypher and MCP

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

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