What is .diet?
ICANN's records put the delegation of .diet on August 16, 2014. Like most of the newer endings, it was applied for in the 2012 New gTLD Program round and its registry agreement was signed on June 26, 2014.
XYZ.COM LLC operates a large portfolio of 35 TLDs, including .audio, .auto, .autos, .baby and .beauty.
Under the hood, the root zone points to 4 name servers for .diet, every one of them reachable over IPv6. The delegation is DNSSEC-signed, so resolvers can verify that answers for .diet haven't been tampered with on the way. Registration data is published over RDAP and WHOIS (the WHOIS server is whois.nic.diet).
Same registry, other endings
34 other TLDs share this operator.
.diet FAQ
What does .diet mean?
.diet is a generic top-level domain named for the word "diet", and it's aimed at lifestyle & personal and health & medicine. It doesn't belong to any country.
What is .diet used for?
.diet is mostly used for lifestyle & personal and health & medicine. Like most gTLDs, it's a label of intent rather than a guarantee — check the site, not just the ending.
What country is .diet?
None. .diet is a generic top-level domain, so it isn't tied to any country.
Who owns the .diet domain extension?
XYZ.COM LLC operates .diet as its registry, under a registry agreement with ICANN.
When was .diet created?
.diet was delegated to the DNS root zone on August 16, 2014.
Is .diet a valid domain?
Yes. .diet is an active top-level domain in the DNS root zone, delegated in 2014, so .diet addresses work in every browser.
Can I buy a .diet domain?
.diet names are sold through ICANN-accredited registrars. Some gTLDs restrict who can register, so read XYZ.COM LLC's policy if you're unsure.
Is .diet DNSSEC-signed?
Yes, the root zone holds a DS record for .diet.
Sources
Data from IANA root zone version 2026102000. Last changed August 12, 2025. Spotted something wrong? Tell us.