~/dnsniffer/tlds/herts.sch.uk·rank #1,233
▸ How many .herts.sch.uk domains are registered?
404
active .herts.sch.uk domains as of .
# rank #1,233 of all TLDs ▼ 5 in 30d# all records held: 484# snapshots: 20
~/tlds/herts.sch.uk/history·active domains
404
active .herts.sch.uk domains on 2026-09-05 · ▲ +384 (+1,920.00%) since 2025-06-30
# 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
▼ -4.72%
-20 domains
90 days
▼ -4.72%
-20 domains
1 year
▼ -4.04%
-17 domains
# faq
- ? How many .herts.sch.uk domains are registered?
- There are 404 active .herts.sch.uk domains as of September 5, 2026, according to DNSniffer’s daily count of zone-file and certificate-transparency records.
- ? Is .herts.sch.uk growing or shrinking?
- .herts.sch.uk has shrunk by 4.04% over the last year (-17 domains).
- ? Where does the .herts.sch.uk 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 .herts.sch.uk 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.