Hostname
jkr.cz
Last fetched
jkr.cz resolves to 1 IPv4 address operated by AS29134 in CZ. WHOIS lists registrar:reg-webglobe as the registrar.
Nutrition Label
Resolution chain
jkr.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 |
|---|---|---|---|---|
| 62.109.150.243 | 62.109.128.0/19 | AS29134 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-webglobe
- Organization
- internet pb, spol. s r.o.
- Contact emails
Subdomains
6 observed subdomains of jkr.cz.
Web-graph footprint
Distinct hostnames that link to or from jkr.cz in the public web crawl.
17 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for jkr.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 109.72.0.0/24 |
| SPF_IP | 109.72.10.48/28 |
| SPF_IP | 109.72.10.50 |
| SPF_IP | 82.100.63.62 |
| SPF_MX | jkr.cz |
Related pages
Pivot deeper into the graph from jkr.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "jkr.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.