.co.th Domain Name Information

Select a section below to get information about price, domain specifications, domain dispute policies, domain requirements, WHOIS information and registry information for .co.th domains. Start a search to register your .co.th domain.

  • Time to Register 2 Weeks
  • Type ccTLD
  • Country Thailand
  • Registration Period 1 - 10 years
  • Trustee/Proxy Service Yes
  • Individuals can register No
  • Businesses can register Yes
  • Is there a special use for .co.th? No
  • Is there any other information needed to register a .co.th domain? Yes
    One registration per company allowed.
  • Does .co.th have any additional fees? No
  • Any additional documents, requirements or information needed to register a .co.th? Yes
    Without Trustee:

    Copy of Business License in Thailand including a full address and phone number OR Thai trademark with no local address needed. Domain name must match company/trademark name.

    With Trustee:

    You must have a trademark matching the domain name and the Business Registration of the owner of the trademark

    No printouts are accepted. This must be a trademark from the Intellectual Property Office.

    We can assist you with obtaining a trademark. This can take a few months to obtain. Please open a support ticket if you would like more information on getting a trademark.
  • Are Individual .co.th domain registrations allowed? No
  • Company or legal entities registrations allowed for .co.th? Yes
  • Are some .co.th domain names restricted? Yes
    Rude, immoral or offensive words are prohibited. We will perform a due diligence check of each new application.
    Prohibited categories are as follows: pornography, gambling, any reference to the Thai king, his family or their possessions, words that are vulgar or defamatory in a broad sense, geographical places, conflicts with well known brands or Thai company names and trademarks. See FAQs for complete restrictions.
  • Do I need a trademark/brand name to register .co.th? Yes
  • Private Registration service available? No
  • .co.th Trustee / Proxy service offered? Fees? Yes

    Don't Have All of These Requirements for Thailand .co.th? Our trustee service provides the required local contact information. Note: Registration for 2 years may be required on some extensions.

    Requires 1) a trademark registration (any country) identical to domain name. (2) copy of certificate of incorporation of the company (3) Signed Power of Attorney (we provide). Documents must be in English or official translation is required. Trademark registration assistance is available through this service for an additional fee.

    Available at Checkout

    .co.th Trustee / Proxy Fee: 164.99 USD per 1 Year
    .co.th Trustee / Proxy Application Fee: 0.00 USD

What is the registration term allowed for .co.th domain names?
.co.th domain names are available for 1-10 years.
How long does it take to register my .co.th domain name?
The domain registration time frame for .co.th during general availability is 2 Weeks.
What are the characters and valid character lengths for .co.th domain names?
.co.th Domain Names must:
  • have minimum of 2 and a maximum of 24 characters;
  • begin with a letter or a number and end with a letter or a number;
  • use the English character set and may contain letters (i.e., a-z, A-Z),numbers (i.e. 0-9) and dashes (-) or a combination of these;
  • neither begin with, nor end with a dash;
  • not contain a dash in the third and fourth positions (e.g. www.ab- -cd.co.th); and
  • not include a space (e.g. www.ab cd.co.th).
What is DNSSEC, and is it available for .co.th domain?
DNSSEC is not available for .co.th domain. Domains that allow DNSSEC protect against counterfeit DNS data by providing origin authentication and integrity protection on that data. Get more information on its pros and cons.
What is Trustee Service, and is it available for .co.th?
101domain.com provides Trustee Service for .co.th extension . Trustee Service can help satisfy most local presence requirements when there are restrictions on registering a domain name.
Can I transfer out my .co.th domain if I'm using your Trustee Service?
Because Trustee Service is non-transferable, you must update your ownership according to .co.th requirements before a transfer out can be started.
Can I hide my .co.th registration information (Private Registration)?
No. At present the .co.th domain zone does not provide means to hide the information of the domain owner. All or partial information (name, address, email, etc.) may be displayed in WHOIS.
What is the grace period for .co.th domain name?
Grace periods vary for country code Top Level Domains (ccTLD) including Internationalized Domain Names (IDN). Some registries require renewal up to 60 days in advance of the domain name expiration date. It is your responsibility to pay for your Renewal Fees in advance of the due date specified by 101domain regardless of the domain name expiration date. Failure to pay your Renewal Fees prior to the due date will result in a fee of $150 to renew your .co.th domain. There may be a restore period between when the domain expires and when the domain can be registered again. In the event that you do not pay by the renewal date, your site may be inaccessible during this time so it is very important that you renew this extension before the renewal date.
Who is the registry that manages .co.th domain names?
The registry that manages the registration of domain names with the .co.th Top Level Domain is THNIC. You may visit them at https://www.thnic.co.th/en/home/.
  • Registry THNIC
  • .co.th Registry logo
  • Accredited Yes
  • Dispute Policy https://www.thnic.co.th/policy
  • Sponsoring Organization
  • Administrative Contact
    Chaya Limchitti
    Thai Network Information Center Foundation
    159 Thanon Phichai
    Khwaeng Thanon Nakhon Chaisi, Khet Dusit
    Bangkok 10300
    Thailand
    Email: [email protected]
    Voice: +66-2-244-8261
    Fax: +66-2-244-8264
  • Technical Contact
    Pensri Arunwatanamongkol
    Thai Network Information Center Foundation
    159 Thanon Phichai
    Khwaeng Thanon Nakhon Chaisi, Khet Dusit
    Bangkok 10300
    Thailand
    Email: [email protected]
    Voice: +66 2 564 8039
    Fax: +66 2 564 8040
  • Sub Domains
  • Name Servers
    Host NameIP Address(es)
    ns.thnic.net 202.28.0.1
    ams.sns-pb.isc.org 199.6.1.30
    2001:500:60:0:0:0:0:30
    sfba.sns-pb.isc.org 149.20.64.3
    2001:4f8:0:2:0:0:0:19
    c.thains.co.th 194.0.1.28
    2001:678:4:0:0:0:0:1c
    b.thains.co.th 203.159.64.64
    2001:c00:4618:3000:0:0:0:30
    a.thains.co.th 122.155.23.64
    2001:c38:2000:183:0:0:0:30
    p.thains.co.th 204.61.216.126
    2001:500:14:6126:ad:0:0:1