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Hostname

dentry.cz

Last fetched

dentry.cz resolves to 2 IPv4 addresses operated by AS25234 in CZ. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

WHISPER CANON · dentry.czRouting diversity2.4/10Peering density4.3/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint8.6/10canon.whisper.security/host/dentry.cz

Resolution chain

dentry.cz resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
31.15.10.20031.15.8.0/21AS25234—CZ
37.9.175.21137.9.175.0/24AS51013—SK

WHOIS identity

Registrar
registrar:reg-active24
Organization
jan havlíček
Contact emails
—

Subdomains

4 observed subdomains of dentry.cz.

Subdomain
autodiscover.dentry.cz
mailin1.dentry.cz
mailin2.dentry.cz
www.dentry.cz

Web-graph footprint

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

6 sites link to this hostname.

23 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for dentry.cz.

MechanismTarget
SPF_INCLUDE_spf.m1.websupport.sk
SPF_INCLUDEspf.active24.com

Related pages

Pivot deeper into the graph from dentry.cz.

Cypher and MCP

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

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