Skip to content

Hostname

env.cz

Last fetched

env.cz resolves to 1 IPv4 address operated by AS6855 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

WHISPER CANON · env.czRouting diversity1.5/10Peering density7.9/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency3.3/10Resolver footprint8.0/10canon.whisper.security/host/env.cz

Resolution chain

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

IPPrefixASNOperatorCountry
193.84.245.16193.84.245.0/24AS6855CZ

WHOIS identity

Registrar
registrar:reg-internet-cz
Organization
david špalt
Contact emails

Subdomains

83 observed subdomains of env.cz.

Web-graph footprint

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

697 sites link to this hostname.

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for env.cz.

MechanismTarget
SPF_INCLUDE_spf.env.cz
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from env.cz.

Cypher and MCP

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

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