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Domain extension

.ไทย

Non-Latin scripts · Thailand · Thai Network Information Center Foundation

.ไทย.xn--o3cw4h
🔒 Signed (DS in the root)
Category
Non-Latin scripts
IANA type
Country Code
Country
Thailand
Manager
Thai Network Information Center Foundation
Script
Thai
DS in root
1 record(s)
Algorithm
8 · RSASHA256
Second-level
6 suffixes
IDN names
no IDN tables at IANA
WHOIS
whois.thnic.co.th
RDAP
yes

Checked 26 Oct 2026 by our weekly check.

Is a .ไทย name registered?

Looked up from your browser in the registry's RDAP service; if that does not answer, in DNS. Nothing is stored on dnssec.in.

What this means

The root zone holds a DS record for .ไทย, so the extension is signed and anchored. A domain under .ไทย can use DNSSEC with a full chain of trust: it needs to be signed at its DNS host and have its own DS at the registrar.

Second-level suffixes under .ไทย (6)

You can register names directly under .ไทย or under these suffixes, for example example.ทหาร.ไทย. Some are restricted to certain users (government, education, banks). Source: the Public Suffix List.

  • .ทหาร.ไทย
  • .ธุรกิจ.ไทย
  • .รัฐบาล.ไทย
  • .ศึกษา.ไทย
  • .องค์กร.ไทย
  • .เน็ต.ไทย

IDN names under .ไทย

No IDN tables for .ไทย at IANA: names are usually ASCII only (a–z, 0–9 and hyphen).

Length

DNS limits are the same everywhere: each label is 1 to 63 characters, the whole name at most 253, letters, digits and hyphens, not starting or ending with a hyphen. IDN labels count their xn-- form, so fewer native characters fit. A registry can set a higher minimum (often 2 or 3 characters) or reserve short names: that is in its own policy.

WHOIS and RDAP

RDAP (the JSON successor to WHOIS) answers at https://rdap.thains.co.th/. Classic WHOIS (port 43) answers at whois.thnic.co.th.

Lifecycle and drop

Country code extensions set their own lifecycle: grace periods, redemption and release dates differ from country to country and are not covered by ICANN's gTLD policies. Read the registry's rules: http://www.thnic.co.th.

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