~/dnsniffer/tlds/k12.dc.us·rank #4,546
▸ How many .k12.dc.us domains are registered?
3
active .k12.dc.us domains as of .
# rank #4,546 of all TLDs ▼ 2 in 30d# all records held: 3# snapshots: 19
~/tlds/k12.dc.us/history·active domains
3
active .k12.dc.us domains on 2026-09-05 · ▲ +1 (+50.00%) since 2025-07-31
# y-axis starts at 1.88, 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
▲ +0.00%
+0 domains
1 year
▲ +50.00%
+1 domains
# faq
- ? How many .k12.dc.us domains are registered?
- There are 3 active .k12.dc.us domains as of September 5, 2026, according to DNSniffer’s daily count of zone-file and certificate-transparency records.
- ? Is .k12.dc.us growing or shrinking?
- .k12.dc.us has grown by 50.00% over the last year (+1 domains).
- ? Where does the .k12.dc.us 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 .k12.dc.us 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.