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.CZ

.CZ is the official country code Top-Level-Domain (ccTLD) of Czech Republic. The offered second level domains may be used by any company or private person.


Cz.png
Introduced 1993
Country Czech Republic
Registry CZ.Nic
IDN Capable No
Webpage Register .CZ

Contents


Registry

TLD

.cz

Registry

CZ.NIC

Dispute Policy

Rules

Registrar

1api GmbH

WHOIS-Server

whois.nic.cz

WHOIS-Update

Real-Time

Min. Characters

1

Max. Characters

63

Character Set
  • Letters and numbers
  • Hyphens ("-"), however not at the beginning or directly in front of the TLD
  • IDN: not allowed
Limitations
  • Registrant Contacts: Required: 1 / Maximum: 1
  • Admin Contacts: Required: 1 / Maximum: 1
  • Tech Contacts: Required: 1 / Maximum: 10
  • Billing Contacts: Required: 0 / Maximum: 1

{{{Possible Extensions}}}

IDN capable

No

Restore capable

No

Handle Updates

Supported

Registration System

Real-Time

Allowed number of NS

2 to 10

Registry Nameservercheck

No

Host IP-Addresses Type

IPv4 / IPv6

Hosts managed as

Attribute

Root Nameserver Update

several times a day

SEC DNS Interface

not available

Transferclass

Pull

Transfer Periods

0Y

Transfer Authcode required

Yes

Transfer Real-Time

Yes

Transfer Lock

Yes

Transfer Confirmation (Request / Approve)

- / -

Owner Change by

Update


Periods

{{{Possible Extensions}}}

Registration Periods

1-10 years

Add Grace Period

0 days

Accounting Period

-1 week

Finalization Period

-1 day

Failure Period

59 days

Payment Period

-61 days

Deletion Restorable Period

0 days

Deletion Hold Period

0 days

Explicit Renewals

Yes

Renewal Periods

1-9 years


API

Domain Registration

Domains can be registered in Real-Time with the API AddDomain command.

command = AddDomain
domain  = (DOMAIN)

REQUIRED

ownercontact0 = (CONTACT)
admincontact0 = (CONTACT)
techcontact0 = (CONTACT)
billingcontact0 = (CONTACT)
nameserver0 = (NAMESERVER)
nameserver1 = (NAMESERVER)

OPTIONAL

auth = <TEXT> | <NULL>
transferlock = 0 | 1 | <NULL>
subuser = <TEXT> | <NULL>

Domain Transfer

The transfer has to be initiated by the gaining registrar and can be requested with the API TransferDomain command.
A valid Authorization Code must be provided to initiate a transfer successfully. You may obtain the authorization code from the losing registrar.
Domain transfers are processed in Real-Time.

command = TransferDomain
domain = (DOMAIN)

REQUIRED

action = REQUEST | APPROVE | DENY | CANCEL | USERTRANSFER
auth = <TEXT>

OPTIONAL

subuser = <TEXT> | <NULL>
period = <PERIOD>
transferlock = 0 | 1 | <NULL>

Delete Domain

Domains can be deleted with the API DeleteDomain command.
There is no Deletion Restorable Period and no Deletion Hold Period. Deleted domain names will be available for new registrations immediately.
A domain is cancelled instantly after deletion. There are no protection periods. The domain is available for new registration immediately.

command = DeleteDomain
domain = (DOMAIN)

Restore Domain

Restores are not possible.

Ownerchange

An Ownerchange is free of charge and can be done with the API ModifyDomain command.

TLD specific

There are no specific parameters available

Addons

RegistrarOC

No special procedures.