tzus.cz
SPF only
Hetzner tzus.cz
Registration
No RDAP record was returned for this domain. Either the registry publishes no RDAP service for .cz, the domain is not registered, or the registry did not answer in time. dot.bi does not guess: no record means no registration data, not “available”.
DNS
| Type | Value |
|---|---|
| NS | ns1.regzone.cz · ns1.regzone.de · ns1.regzone.info |
| A | 136.243.9.237 |
| AAAA | 2a01:4f8:211:235d::2 |
| MX | 1 post.tzus.cz |
| TXT | MS=ms97578657 |
| TXT | cisco-ci-domain-verification=2abca5b5cfbdb39c9ad753237d741d17ddf45cc4a83b614be1385f332454b2bb |
| TXT | v=spf1 ip4:193.85.186.237 ip4:193.85.186.234 include:spf.protection.outlook.com include:spf.webmill.cz include:spf.feo.cz -all |
| SOA | ns1.regzone.cz administrator.czechia.cz serial 2026090404 |
Certificates
- First certificate seen
- 2026-10-13 20:38 UTC since dot.bi started watching
- Last certificate seen
- 2026-10-13 20:38 UTC
- Certificates observed
- 4
- Issuers
- DigiCert Inc
Hosting
- IP
- 136.243.9.237
- Network
- AS24940 · HETZNER-AS - Hetzner Online GmbH, DE
- Provider
- Hetzner
- Country
- DE (network registration, not server location)
- CDN
- none detected
- IPv6
- yes
Web
No web data for this domain yet.
SPF only SPF is published but there is no DMARC policy.
- Provider
- tzus.cz
- SPF
- present all: fail
- DMARC
- missing
- DKIM
- found selector: mail
Age
- First capture
- —
- Years archived
- —
- Registry created
- —
- In dot.bi since
- 2026-10-13 · Certificate Transparency
Name analysis
Same name, other TLDs
No check recorded yet.
History observed by dot.bi
First observed by dot.bi · source: ct