Stats
ccTLD · Canadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI)

.ca TLD stats

.ca held 3,681,684 names in October 2026, by Canadian Internet Registration Authority (CIRA) Autorité Canadienne pour les enregistrements Internet (ACEI)’s own figures; by 23 Oct 2026 certificates had shown us 735,161 of them, confirmed in DNS.

3.68M
names, October 2026, the registry’s own figure
735,161
seen in certificates by 23 Oct 2026, a floor

Cross-checkThe registry reported 3,681,684 names for Oct 2026; by Oct 23, 2026 certificates had shown us 735,161 of them, 20.0%. A floor, not a count: a name that never appears in a certificate is not here, and one that does is counted only once DNS confirms it.

last night, in detail

Oct 23, 2026
What moved · on Oct 23, 2026
first seen by us
+36,161
gone from DNS
−6
changed nameservers
0
Net
+36,155
Oct 17, 2026 to Oct 23, 2026 · axis starts at the data, not at zero

Names seen in certificate transparency logs and confirmed in DNS, as of Oct 23, 2026. A floor, not a count of the TLD: a name that never appears in a certificate is not here, and we hold no zone file for .ca. The registry’s own figure is the count; this one says how much of it we can see name by name.

how many names, month by month

to
Oct 2026 to Oct 2026

Names under management at month end, as the registry reported it.

everything else