Hostname

rais.cz

Last fetched Mon, 27 Jul 2026 08:57:16 GMT

rais.cz resolves to 1 IPv4 address operated by AS29208 in CZ.

Nutrition Label

Resolution chain

rais.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
212.80.90.253	212.80.64.0/19	AS29208	—	CZ

WHOIS identity

No WHOIS records are currently associated with rais.cz in WhisperGraph.

Subdomains

1 observed subdomain of rais.cz.

Subdomain
www.rais.cz

Web-graph footprint

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

Sample inbound links

ostrava-net.cz

Threat posture

History

Mail and authentication

MX records

tercial.it-help.cz

SPF policy

2 SPF mechanisms authorising senders for rais.cz.

Mechanism	Target
SPF_INCLUDE	spf.it-help.cz
SPF_IP	151.249.104.147

Pivot deeper into the graph from rais.cz.

Cypher and MCP

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

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