~/dnsniffer/tlds/healthcare·rank #470
$ dnsniffer count --tld healthcare --active
▸ How many .healthcare domains are registered?
9,756
active .healthcare domains as of .
# rank #470 of all TLDs# all records held: 12,327# snapshots: 15
~/tlds/healthcare/history·active domains
9,756
active healthcare domains on 2026-08-31 · ▲ +1,439 (+17.30%) since 2025-06-30
# y-axis starts at 8K, 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
▲ +0.00%
+0 domains
90 days
▲ +2.36%
+225 domains
1 year
▲ +14.79%
+1,257 domains
# faq
- ? How many .healthcare domains are registered?
- There are 9,756 active .healthcare domains as of August 31, 2026, according to DNSniffer's daily count of zone-file and certificate-transparency records.
- ? Is .healthcare growing or shrinking?
- .healthcare has grown by 14.79% over the last year (+1,257 domains).
- ? Where does the .healthcare 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 .healthcare 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.