Hostname
iol.cz
Last fetched
iol.cz resolves to 1 IPv4 address operated by AS5610 in CZ. WHOIS lists registrar:reg-ct as the registrar.
Nutrition Label
Resolution chain
iol.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 |
|---|---|---|---|---|
| 160.218.161.165 | 160.218.0.0/16 | AS5610 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-ct
- Organization
- o2 czech republic a.s.
- Contact emails
Subdomains
56,085 observed subdomains of iol.cz.
Showing 25 of 56,085. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from iol.cz in the public web crawl.
33 sites link to this hostname.
1 site linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
12 SPF mechanisms authorising senders for iol.cz.
| Mechanism | Target |
|---|---|
| SPF_A | aa.iol.cz |
| SPF_IP | 160.218.11.33 |
| SPF_IP | 160.218.11.38 |
| SPF_IP | 160.218.11.39 |
| SPF_IP | 160.218.161.71 |
| SPF_IP | 160.218.161.72 |
| SPF_IP | 160.218.161.73 |
| SPF_IP | 194.228.2.86 |
| SPF_IP | 194.228.2.87 |
| SPF_IP | 194.228.2.91/24 |
| SPF_IP | 194.228.2.92 |
| SPF_IP | 194.228.41.112/32 |
Related pages
Pivot deeper into the graph from iol.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "iol.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.