.sg is the Internet country code top-level domain (ccTLD) for Singapore. It was first registered in September 1988.^[2] It is administered by the Singapore Network Information Centre.^[2] Registrations are processed via accredited registrars.

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.sg

Introduced	19 October 1988
TLD type	Country code top-level domain
Status	Active
Registry	SGNIC
Sponsor	SGNIC
Intended use	Entities connected with  Singapore
Actual use	Popular in Singapore
Registered domains	198,530 (Jul 2022)[1]
Registration restrictions	Singapore presence required; third-level names have various restrictions depending on which second level label they are under
Structure	Registrations are taken at the third level beneath generic categories, or directly at the second level; special .idn.sg category exists for internationalized domain names
Documents	Policies and agreements
Dispute policies	Singapore Domain Name Dispute Resolution Policy
Registry website	SGNIC

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In 2011, two new internationalized country code top-level domains were registered for Singapore, intended for domain names in the local languages. These domains are .新加坡 (encoded as .xn—yfro4i67o) and .சிங்கப்பூர் (encoded as .xn—clchc0ea0b2g2a9gcd).^[3]

SGNIC requires that all .sg domains registered after 2 May 2013 have proof of Singaporean presence. This is facilitated by requiring the registrant to login to the Verified@SG portal with their SingPass account.^[4]

• .com.sg – Commercial entities
• .net.sg – Network providers and info-com operators
• .org.sg – Organizations in the Registry of Societies
• .gov.sg – Government entities
• .edu.sg – Educational institutions
• .per.sg – Personal domain names (retired as of March 2023)^[5]
• .sg – Open to all with a valid Singapore postal address
• .新加坡 – for Chinese websites
• .சிங்கப்பூர் – for Tamil websites

As of September 2022, there were 198,564 registered .sg domains.^[1]