Hostname

senaz.cz

Last fetched Sun, 09 Aug 2026 23:23:20 GMT

senaz.cz resolves to 1 IPv4 address operated by INTERNET-CZ - INTERNET CZ, a.s. in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

Resolution chain

senaz.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
185.129.138.221	185.129.136.0/22	AS24806	INTERNET-CZ - INTERNET CZ, a.s.	CZ

WHOIS identity

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

Subdomains

2 observed subdomains of senaz.cz.

Subdomain
wildcard.senaz.cz
www.senaz.cz

Web-graph footprint

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

23 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

3 SPF mechanisms authorising senders for senaz.cz.

Mechanism	Target
SPF_A	senaz.cz
SPF_INCLUDE	_spf.forpsi.com
SPF_MX	senaz.cz

Pivot deeper into the graph from senaz.cz.

Cypher and MCP

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

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