Hostname
trz.cz
Last fetched
trz.cz resolves to 1 IPv4 address operated by AS5610 in CZ. WHOIS lists iana:1746 as the registrar.
Nutrition Label
Resolution chain
trz.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 |
|---|---|---|---|---|
| 109.81.246.75 | 109.80.0.0/15 | AS5610 | — | CZ |
WHOIS identity
- Registrar
- iana:1746
- Organization
- trinecke zelezarny a.s.
- Contact emails
Subdomains
124 observed subdomains of trz.cz.
Showing 25 of 124. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from trz.cz in the public web crawl.
219 sites link to this hostname.
52 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
3 SPF mechanisms authorising senders for trz.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 109.81.245.0/24 |
| SPF_IP | 109.81.246.34 |
Related pages
Pivot deeper into the graph from trz.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "trz.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.