Hostname

eter.cz

Last fetched Mon, 29 Jun 2026 15:30:41 GMT

eter.cz resolves to 1 IPv4 address operated by AS43541 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

Resolution chain

eter.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
217.16.185.86	217.16.176.0/20	AS43541	—	CZ

WHOIS identity

Registrar

registrar:reg-internet-cz

Organization

éter cz spol. s r.o.

Contact emails

burian@winet.cz

Subdomains

1 observed subdomain of eter.cz.

Subdomain
www.eter.cz

Web-graph footprint

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

16 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

mx.weby.cz

SPF policy

4 SPF mechanisms authorising senders for eter.cz.

Mechanism	Target
SPF_A	eter.cz
SPF_IP	217.16.185.0/24
SPF_IP	93.185.97.160/27
SPF_MX	eter.cz

Pivot deeper into the graph from eter.cz.

Cypher and MCP

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

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