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.SG

.SG is the official country code Top-Level-Domain (ccTLD) of Singapore. Companies located in Singapore, as well as companies or corporations who have business with Singapore can register .SG domains.

Sg.png
Introduced 1988
Country Singapore
Registry SGNIC
IDN Capable Yes
Webpage Register .SG

Contents


Registry

TLD

-

Registry

SGNIC

Dispute Policy

Rules

Registrar

1api GmbH

WHOIS-Server

whois.nic.sg

WHOIS-Update

5 minutes

Min. Characters

3

Max. Characters

63

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

{{{Possible Extensions}}}

IDN capable

Yes

Restore capable

Non-Realtime

Handle Updates

Supported (partially)

Registration System

Real-Time

Allowed number of NS

2 to 13

Registry Nameservercheck

No

Host IP-Addresses Type

IPv4

Hosts managed as

Object

Root Nameserver Update

several times a day

SEC DNS Interface

not available

Transferclass

Pull

Transfer Periods

1Y

Transfer Authcode required

Yes

Transfer Lock

Yes

Owner Change by

Trade

Trade Periods

-


Periods

{{{Possible Extensions}}}

Registration Periods

1-2 years

Add Grace Period

0 days

Accounting Period

-7 days

Finalization Period

-2 days

Failure Period

29 days

Payment Period

-61 days

Deletion Restorable Period

30 days

Deletion Hold Period

0 days

Explicit Renewals

Yes

Renewal Periods

1 year


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>

X-SG-RCBID = <TEXT>
X-ADMIN-IDNUMBER = <TEXT>

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.

command = TransferDomain
domain = (DOMAIN)

REQUIRED

ownercontact0 = <contact handle>
admincontact0 = <contact handle>
techcontact0 = <contact handle>
billingcontact0 = <contact handle>
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 a Deletion Restorable Period of 30 days and a following Deletion Hold Period of 0 days.

command = DeleteDomain
domain = (DOMAIN)

Restore Domain

Restores can be processed automatically up to 59 days after the expiration date. Please use the command RestoreDomain.

command = RestoreDomain
domain = (DOMAIN)

OPTIONAL

renewalmode = <NULL> | <TEXT>
subuser = <TEXT>

Ownerchange

All contact information with the exception of registrant Name, Firstname and Organisation can be updated through the ModifyDomain command.
In order to change the owner you have to request a trade with the TradeDomain command. This can be done through our web interface or through our API:

command = TradeDomain
domain = <DOMAIN>
ownercontact0 = <CONTACT>

OPTIONAL

X-SG-RCBID = <TEXT>

The company registration number has to be provided as X-SG-RCBID if the new registrant is an organization from Singapore.

TLD specific

Registration

.COM.SG

.COM.SG domains can only be registered for companies.


.SG and .COM.SG

The admin-c has to be an individual from Singapore. if you provide an administrative contact from a different country then a local presence service will be provided automatically (free of charge).
If the registrant is an organization from Singapore then the company registration number has to be provided as X-SG-RCBID.
If the admin-c is an individual from Singapore then the respective SingpassID has to be provided as X-ADMIN-IDNUMBER.


additional parameter X-SG-RCBID
role country of origin entity value
registrant SG organization company registration number
registrant SG individual n/a
registrant other organization n/a
registrant other individual n/a


additional parameter X-ADMIN-IDNUMBER
role country of origin entity value
admin-c SG organization n/a (admin-c may not be an organization from Singapore)
admin-c SG individual Singpass ID
admin-c other organization n/a (admin-c will be replaced by local presence service)
admin-c other individual n/a (admin-c will be replaced by local presence service)

Valid format of the Singpass ID
SingPass ID (or NRIC) refers to the individual's National Registration Identity Card which has to consist of exactly one letter ("S", "T", "F" or "G") followed by seven digits followed by one checksum letter.
Example: S1234567A

Domain Transfers

Inbound Domain Transfers

Additionally to the Authorization Code, the registry requires that the current contact information and name servers of the domain will be submitted with the transfer request. To do so, you have to use the ownercontact0, admincontact0, techcontact0 and billingcontact0 parameters and at least two name servers in the following syntax:

command = TransferDomain
domain = <domain>
auth = <auth>
ownercontact0 = <contact handle>
admincontact0 = <contact handle>
techcontact0 = <contact handle>
billingcontact0 = <contact handle>
nameserver0 = <name server>
nameserver1 = <name server>

Be sure that you've created valid contact handles with the current contact information of the .SG domain you wish to transfer the respective domain. After 7 days, the registry will reject the transfer if the losing registrar did not react.

Several registrars also need a so called AGNT number before they will approve an outgoing transfer, our AGNT number is AGNT-1643.

Outbound Domain Transfers

.SG domains are LOCKED by default and no Authorization Code is set at the registry – a transfer is not possible.
You need to unlock a .SG domain in order to have an Authorization Code set at the registry.
.SG domains can only be unlocked if they do not utilize the local presence service.

In order to transfer a domain away you have to remove the transfer lock (epp status clientTransferProhibited). This can only be done if the local presence service is not in use. A few minutes after removing the transfer lock you will receive an UPDATE::SUCCESSFUL message containing the new Authorization Code. At the same time the Authorization Code will be stored as property AUTH of the domain and also a property X-SG-AUTH-EXPIRATIONDATE indicating when the Authorization Code will expire (after 14 days).

Outbound Internal Transfers

If the domain should be transferred to another reseller of HEXONET the domain has also to be unlocked and the same AUTH is required.

Outbound Agent Internal Transfers

If the AGNT number of the new registrar is also AGNT-1643 but is not HEXONET you need to provide a different Authorization Code which is stored in the property X-SG-AGNT-AUTH of the domain.

Expiration of the Authorization Code

Once the Authorization Code has expired (after 14 days) the domain will be automatically locked again and a respective UPDATE::SUCCESSFUL message is created. You can simply unlock the domain again in order to request a new Authorization Code.

Deletion

To delete a .SG domain with immediate effect please contact our support team at support@hexonet.net.


Addons

The following overview shows you all available Domain Addons which can be used for this special kind of TLD. It also shows the respective API parameters which are required to activate the Domain Addons:

Addon Class Parameter to (de)activate *1) Renewal term *2) Affected Parameters *3)
Trustee X-SG-ACCEPT-TRUSTEE-TAC = 0 | 1 1 year ASCIO-LOCAL-PRESENCE






*1) Parameter to (de)activate: When accessing our backend through the API, you can either activate the addon with X-SG-ACCEPT-TRUSTEE-TAC=1 or deactivate it with
      X-SG-ACCEPT-TRUSTEE-TAC=0
*2) Renewal Term: Is the minimum renewal term of the "Addon Class"
*3) If you are using a "Trustee" Domain Addon normally the original owner contact or the original admin contact or both are replaced by a contact provided by the trustee provider.
      



RegistrarOC

Restore Process

To restore a domain as a RegistrarOC customer, you simply have to execute the RestoreDomain command. HEXONET directly forwards the restore request to the registry, which performs the restore in short time. As soon as the restore has been completed by the registry, the domain will get assigned to your account with the original domain data.

Please do not initiate a restore directly at the registry (e.g. using the registrar webinterface). All restore operations must be performed through our system.