Hostname

asis.cz

Last fetched Tue, 04 Aug 2026 08:27:10 GMT

asis.cz resolves to 1 IPv4 address operated by CASABLANCA-AS - CASABLANCA INT a.s. in CZ. WHOIS lists registrar:reg-one as the registrar.

Nutrition Label

Resolution chain

asis.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
81.0.228.115	81.0.228.0/24	AS15685	CASABLANCA-AS - CASABLANCA INT a.s.	CZ

WHOIS identity

Registrar: registrar:reg-one
Organization: asociace insolvenčních správců o.s.
Contact emails: —

Subdomains

6 observed subdomains of asis.cz.

Subdomain
mail.asis.cz
ns.asis.cz
portal.asis.cz
webmail.asis.cz
www.asis.cz

Showing 5 of 6. View all subdomains →

Web-graph footprint

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

19 sites link to this hostname.

82 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.e-fractal.cz

SPF policy

3 SPF mechanisms authorising senders for asis.cz.

Mechanism	Target
SPF_IP	81.0.228.0/25
SPF_IP	81.2.195.139
SPF_MX	asis.cz

Pivot deeper into the graph from asis.cz.

Cypher and MCP

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

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