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Hostname

trefcon.cz

Last fetched

trefcon.cz resolves to 1 IPv4 address operated by AS197019 in CZ. WHOIS lists registrar:reg-wedos as the registrar.

Nutrition Label

WHISPER CANON · trefcon.czRouting diversity1.5/10Peering density4.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/trefcon.cz

Resolution chain

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

IPPrefixASNOperatorCountry
89.221.222.5789.221.208.0/20AS197019—CZ

WHOIS identity

Registrar
registrar:reg-wedos
Organization
trefcon s.r.o.
Contact emails
—

Subdomains

13 observed subdomains of trefcon.cz.

Subdomain
admin.trefcon.cz
aos01.trefcon.cz
aos201.trefcon.cz
aos202.trefcon.cz
archive.trefcon.cz
gateway.trefcon.cz
radiootava.trefcon.cz
server.trefcon.cz
sgw.trefcon.cz
smtp.trefcon.cz
vpnaos.trefcon.cz
vrnx01-nat.trefcon.cz
www.trefcon.cz

Threat posture

History

Mail and authentication

MX records

SPF policy

8 SPF mechanisms authorising senders for trefcon.cz.

MechanismTarget
SPF_Atrefcon.cz
SPF_IP185.15.252.0/27
SPF_IP2001:41d0:401:3100:0:0:0:45c4
SPF_IP2a02:2b88:2:b39:0:0:0:1
SPF_IP2a03:b4c0:0:bfff::2:0/112
SPF_IP5.196.7.10
SPF_IP89.221.222.57
SPF_MXtrefcon.cz

Related pages

Pivot deeper into the graph from trefcon.cz.

Cypher and MCP

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

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