~/dnsniffer/tlds/hot·rank #1,130
▸ How many .hot domains are registered?
666
active .hot domains as of .
# rank #1,130 of all TLDs ▲ 137 in 30d# all records held: 932# snapshots: 64
~/tlds/hot/history·active domains
666
active .hot domains on 2026-10-19
# y-axis starts at 0, not zero - domain counts move by fractions of a percent a day. Dashed segments are estimated: reconstructed from certificate first-seen dates before daily snapshots began, not measured on the day.
# change over time
30 days
▲ +83.47%
+303 domains
90 days
▲ +87.08%
+310 domains
1 year
▲ +2,461.54%
+640 domains
# faq
- ? How many .hot domains are registered?
- There are 666 active .hot domains as of October 19, 2026, according to DNSniffer’s daily count of zone-file and certificate-transparency records.
- ? Is .hot growing or shrinking?
- .hot has grown by 2,461.54% over the last year (+640 domains).
- ? Where does the .hot domain count come from?
- We ingest ICANN CZDS zone files and Certificate Transparency logs continuously and snapshot the per-TLD count once a day. A .hot domain is counted as active if it appeared in a zone file in the last 2 days, or - where no zone file is published - if a certificate was issued for it in the last 12 months.