Hostname

week.cz

Last fetched Wed, 15 Jul 2026 18:42:47 GMT

week.cz resolves to 1 IPv4 address operated by AS197019 in CZ. WHOIS lists registrar:reg-wedos as the registrar.

Nutrition Label

Resolution chain

week.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
89.221.212.156	89.221.208.0/20	AS197019	—	CZ

WHOIS identity

Registrar: registrar:reg-wedos
Organization: ing. jan podhajsky
Contact emails: —

Subdomains

2 observed subdomains of week.cz.

Subdomain
test.week.cz
www.week.cz

Web-graph footprint

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

7 sites link to this hostname.

509 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.financnik.cz

SPF policy

1 SPF mechanism authorising senders for week.cz.

Mechanism	Target
SPF_INCLUDE	_spf.google.com

Pivot deeper into the graph from week.cz.

Cypher and MCP

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

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