.cz Domain
The .cz domain belongs to the group of country code top-level domains czType and therefore has a unique geographical assignment to the country Czech Republic (CZ).
Geographical assignment
| TLD | Type | continent | country |
|---|---|---|---|
| .cz | CCTLD | EUROPE | 
Czech Republic (CZ)
|
Technical information
| property | value | Note |
|---|---|---|
| Character length | 1 - 63 | Domains dürfen maximal aus 63 Zeichen bestehen |
| Number domains | ||
| Special characters (IDN) | ||
| DNSSEC | ||
| DNS check | ||
| Auth-Code |
The auth-code is required for the transfer
| |
| Auth-Code 2 | ||
| Additional information |
· ZONEC/extensions/general/companyNumber
· TECHC/extensions/general/companyNumber
· OWNERC/extensions/general/companyNumber
· ADMINC/extensions/general/companyNumber
| |
| Premium Domains | ||
| Transfer confirmation | Transfer confirmation via the Admin-C contact | |
| Status update | ||
| Restore | ||
| AutoDelete | ||
| Registry Lock |
Additional requirements
- Nameserver must be set up in advance and provide an authoritative response.
Business transactions
| Type | Supported | Auth-Code | control |
|---|---|---|---|
| Create | Realtime | ||
| Update | Realtime | ||
| Deletion | Realtime | ||
| Transfer | Realtime | ||
| tld.tasks.task.renew | Realtime | ||
| Auth-Code 2 | Realtime | ||
| Preack | Realtime | ||
| Create Auth-Code | Realtime |
Root nameserver
| # | Nameserver |
|---|---|
| 1 | a.ns.nic.cz |
| 2 | b.ns.nic.cz |
| 3 | c.ns.nic.cz |
| 4 | d.ns.nic.cz |