webXtrend knows 4,883 .istanbul domains as of 7 October 2026. That puts it at rank 559 of the 1,441 top-level domains in our data. It is a generic TLD, operated by Istanbul Metropolitan Municipality and in the root zone since 2015. Over the past twelve months it shrank by 0.7 % (−32 domains). 44 new .istanbul domains appeared in the last 30 days. 49.6 % of them serve a website, against 64.7 % across all TLDs.

Top-level domain.istanbul
TypeGeneric top-level domain (gTLD)
Registry operatorIstanbul Metropolitan Municipality
In the root zoneYes, delegated on 29 May 2015
DNSSECSigned
Registry websitewww.nic.istanbul
Domains known to webXtrend4,883 (7 October 2026)
New domains, last 30 days44
Change over 12 months−0.7 %

How many .istanbul domains does webXtrend know?

.istanbul domains known to webXtrend at the start of each month, from January 2023 to October 2026.

.istanbul domains known to webXtrend at the start of each month4.5K5K5.5K6K6.5K20232024202520264,883
Lowest 4,863 (1 August 2026), highest 6,066 (1 January 2023).
DateKnown to webXtrendChange
1 January 20236,066
1 January 20245,622−7.3 %
1 January 20255,251−6.6 %
1 January 20264,986−5.0 %
7 October 20264,883−2.1 %

The count follows what webXtrend knows, not the registry's own books. Figures before 2023 are left out because our coverage was still being built up then, and a step in the curve can come from a change in coverage rather than in the zone.

New .istanbul domains per month

MonthNew domainsKnown at month start
October 2026 (so far)184,874
September 2026334,866
August 2026434,863
July 2026454,896
June 2026464,947
May 2026334,967
April 2026304,973
March 2026554,977
February 2026294,982
January 2026314,986
December 2025444,992
November 2025294,927

Daily figures, last two weeks

DateKnown to webXtrendNew domains
7 October 20264,8832
6 October 20264,8810
5 October 20264,8813
4 October 20264,8817
3 October 20264,8793
2 October 20264,8762
1 October 20264,8741
30 September 20264,8791
29 September 20264,8841
28 September 20264,8861
27 September 20264,8871
26 September 20264,8950
25 September 20264,9020
24 September 20264,9041

How .istanbul domains are used

Share of the .istanbul domains known to webXtrend with each property, next to the share across all top-level domains.

Property.istanbulAll TLDs
Serve a website49.6 %64.7 %
Have an MX record (receive mail)31.0 %53.7 %
Redirect to HTTPS10.9 %25.7 %
Have a valid TLS certificate10.3 %24.4 %
Redirect to another domain6.6 %11.1 %
Reachable over IPv67.2 %20.2 %
No IP address (no A or AAAA record)5.8 %7.6 %
DNS error (SERVFAIL)23.4 %5.2 %

Top-level domains of similar size

All top-level domains

Download the .istanbul zone file

The domain list export contains every .istanbul domain webXtrend knows, 4,883 today, one name per line, together with all other TLDs. To keep only .istanbul: zgrep '\.istanbul$' domains.txt.gz > istanbul.txt. New .istanbul domains come every day with the daily new-domain file, and the API answers for any single domain: DNS history, redirects, reverse IP and the start page. The list is compiled by webXtrend from its own web crawl. Zone files for all TLDs

Counts are the domains webXtrend knows, from its own measurement of the public domain name space. They are not the registry's figures: where a registry does not publish its zone, our count can be lower than its own. Registry facts come from the IANA root zone database.