Hostname
issa.cz
Last fetched
issa.cz resolves to 1 IPv4 address operated by AS39817 in CZ. WHOIS lists registrar:reg-zoner as the registrar.
Nutrition Label
Resolution chain
issa.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 |
|---|---|---|---|---|
| 81.91.222.55 | 81.91.208.0/20 | AS39817 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-zoner
- Organization
- issa czech s.r.o.
- Contact emails
- —
Subdomains
51 observed subdomains of issa.cz.
Showing 25 of 51. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from issa.cz in the public web crawl.
110 sites link to this hostname.
47 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for issa.cz.
| Mechanism | Target |
|---|---|
| SPF_IP | 81.91.222.15 |
| SPF_IP | 81.91.222.16 |
| SPF_IP | 81.91.222.18 |
| SPF_IP | 81.91.222.4 |
| SPF_IP | 81.91.222.46 |
| SPF_IP | 81.91.222.47 |
Related pages
Pivot deeper into the graph from issa.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "issa.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.