~/dnsniffer/tlds/durham.sch.uk·rank #1,803
▸ How many .durham.sch.uk domains are registered?
110
active .durham.sch.uk domains as of .
# rank #1,803 of all TLDs ▲ 2 in 30d# all records held: 117# snapshots: 19
~/tlds/durham.sch.uk/history·active domains
110
active .durham.sch.uk domains on 2026-09-05 · ▼ -1 (-0.90%) since 2025-07-31
# y-axis starts at 109.88, 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
▼ -0.90%
-1 domains
90 days
▼ -0.90%
-1 domains
1 year
▼ -0.90%
-1 domains
# faq
- ? How many .durham.sch.uk domains are registered?
- There are 110 active .durham.sch.uk domains as of September 5, 2026, according to DNSniffer’s daily count of zone-file and certificate-transparency records.
- ? Is .durham.sch.uk growing or shrinking?
- .durham.sch.uk has shrunk by 0.90% over the last year (-1 domains).
- ? Where does the .durham.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 .durham.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.