Hostname
ispis.cz
Last fetched
ispis.cz resolves to 1 IPv4 address operated by AS39790 in CZ. WHOIS lists registrar:reg-web4u as the registrar.
Nutrition Label
Resolution chain
ispis.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 |
|---|---|---|---|---|
| 81.91.84.112 | 81.91.80.0/21 | AS39790 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-web4u
- Organization
- martin sarfy
- Contact emails
Subdomains
39 observed subdomains of ispis.cz.
Showing 25 of 39. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from ispis.cz in the public web crawl.
21 sites link to this hostname.
27 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for ispis.cz.
| Mechanism | Target |
|---|---|
| SPF_IP | 81.91.83.222 |
| SPF_IP | 81.91.83.228 |
| SPF_IP | 81.91.83.229 |
| SPF_IP | 81.91.91.49 |
Related pages
Pivot deeper into the graph from ispis.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ispis.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.