Hostname

estim.cz

Last fetched Sun, 05 Jul 2026 20:29:32 GMT

estim.cz resolves to 1 IPv4 address operated by AS43709 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

Resolution chain

estim.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
78.157.167.57	78.157.160.0/21	AS43709	—	CZ
78.157.167.57	78.157.160.0/21	AS43709	—	CZ

WHOIS identity

Registrar: registrar:reg-internet-cz
Organization: estim - odhady, s.r.o.
Contact emails: —

Web-graph footprint

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

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

silesnet.com

Threat posture

History

Mail and authentication

MX records

mail.silesnet.net

Pivot deeper into the graph from estim.cz.

Cypher and MCP

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

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