~/dnsniffer/tlds/portsmouth.sch.uk·rank #2,972
▸ How many .portsmouth.sch.uk domains are registered?
15
active .portsmouth.sch.uk domains as of .
# rank #2,972 of all TLDs ▲ 7 in 30d# all records held: 17# snapshots: 19
~/tlds/portsmouth.sch.uk/history·active domains
15
active .portsmouth.sch.uk domains on 2026-09-05 · ▲ +0 (+0.00%) since 2025-07-31
# y-axis starts at 14, 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
▲ +0.00%
+0 domains
# faq
- ? How many .portsmouth.sch.uk domains are registered?
- There are 15 active .portsmouth.sch.uk domains as of September 5, 2026, according to DNSniffer’s daily count of zone-file and certificate-transparency records.
- ? Is .portsmouth.sch.uk growing or shrinking?
- .portsmouth.sch.uk has grown by 0.00% over the last year (+0 domains).
- ? Where does the .portsmouth.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 .portsmouth.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.