Hostname
jelmo.cz
Last fetched
jelmo.cz resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:reg-active24 as the registrar.
Nutrition Label
Resolution chain
jelmo.cz resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 104.21.4.84 | 104.21.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.131.209 | 172.67.128.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- registrar:reg-active24
- Organization
- yelmo s.r.o.
- Contact emails
- —
Subdomains
3 observed subdomains of jelmo.cz.
Web-graph footprint
Distinct hostnames that link to or from jelmo.cz in the public web crawl.
37 sites link to this hostname.
33 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
5 SPF mechanisms authorising senders for jelmo.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.active24.com |
| SPF_INCLUDE | spf.smartemailing.cz |
| SPF_IP | 2a02:4a8:ac24:129:0:0:13:193 |
| SPF_IP | 31.15.13.193 |
| SPF_MX | jelmo.cz |
Related pages
Pivot deeper into the graph from jelmo.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "jelmo.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.