~/dnsniffer/tlds/k12.in.us·rank #1,356
▸ How many .k12.in.us domains are registered?
275
active .k12.in.us domains as of .
# rank #1,356 of all TLDs ▲ 1 in 30d# all records held: 281# snapshots: 19
~/tlds/k12.in.us/history·active domains
275
active .k12.in.us domains on 2026-09-04 · ▲ +206 (+298.55%) since 2025-06-30
# y-axis starts at 44.04, 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
▼ -0.72%
-2 domains
90 days
▼ -0.36%
-1 domains
1 year
▲ +0.36%
+1 domains
# faq
- ? How many .k12.in.us domains are registered?
- There are 275 active .k12.in.us domains as of September 4, 2026, according to DNSniffer’s daily count of zone-file and certificate-transparency records.
- ? Is .k12.in.us growing or shrinking?
- .k12.in.us has grown by 0.36% over the last year (+1 domains).
- ? Where does the .k12.in.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.in.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.