~/dnsniffer/tlds/cologne·rank #699
▸ How many .cologne domains are registered?
3,889
active .cologne domains as of .
# rank #699 of all TLDs ▼ 10 in 30d# all records held: 4,557# snapshots: 60
~/tlds/cologne/history·active domains
3,889
active .cologne domains on 2026-10-15 · ▲ +108 (+2.86%) since 2025-06-30
# y-axis starts at 3.8K, 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
▼ -0.46%
-18 domains
90 days
▼ -2.02%
-80 domains
1 year
▲ +2.37%
+90 domains
# faq
- ? How many .cologne domains are registered?
- There are 3,889 active .cologne domains as of October 15, 2026, according to DNSniffer’s daily count of zone-file and certificate-transparency records.
- ? Is .cologne growing or shrinking?
- .cologne has grown by 2.37% over the last year (+90 domains).
- ? Where does the .cologne 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 .cologne 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.