Hostname

ewf.cz

Last fetched Thu, 23 Jul 2026 07:38:31 GMT

ewf.cz resolves to 1 IPv4 address operated by AS51013 in SK. WHOIS lists registrar:reg-active24 as the registrar.

Nutrition Label

Resolution chain

ewf.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
37.9.175.165	37.9.175.0/24	AS51013	—	SK

WHOIS identity

Registrar: registrar:reg-active24
Organization: euro window films s.r.o.
Contact emails: —

Subdomains

5 observed subdomains of ewf.cz.

Subdomain
mail.ewf.cz
mailin1.ewf.cz
mailin2.ewf.cz
wildcard.ewf.cz
www.ewf.cz

Web-graph footprint

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

7 sites link to this hostname.

2 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for ewf.cz.

Mechanism	Target
SPF_A	ewf.cz
SPF_INCLUDE	_spf.websupport.cz
SPF_MX	ewf.cz

Pivot deeper into the graph from ewf.cz.

Cypher and MCP

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

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