Delegated IANA root zone
.ist
Generic top-level domain
A source-linked reference record for .ist , combining IANA delegation data with registry metadata.
Registry Istanbul Metropolitan Municipality
IANA type Generic
Registered 2015-05-29
DNSSEC Not determined
Overview
Registry
Technical
History
Sources
.ist is listed by IANA as a generic top-level domain. The sponsoring organisation shown in the IANA delegation record is Istanbul Metropolitan Municipality.
Policy and eligibility are deliberately not inferred from the string name. Registration rules should be taken from the registry and its official documentation.
Sponsoring organisation Istanbul Metropolitan Municipality
WHOIS whois.nic.ist
Registration date 2015-05-29
IANA last update 2025-08-28
Technical information DNS and protocol details Root-level delegation and protocol endpoints surfaced without hiding the source.
Authoritative nameservers Published in the IANA delegation record.
a0.nic.ist 65.22.144.1 · 2a01:8840:8e:0:0:0:0:1
a2.nic.ist 65.22.147.1 · 2a01:8840:91:0:0:0:0:1
b0.nic.ist 65.22.145.1 · 2a01:8840:8f:0:0:0:0:1
c0.nic.ist 65.22.146.1 · 2a01:8840:90:0:0:0:0:1
Protocol endpoints Published registry lookup services.
WHOIS whois.nic.ist
Delegation history Record timeline Only milestones that can be tied directly to official records are shown.
Delegation of the .ist domain to Istanbul Metropolitan Municipality
2015-05-29 IANA registration date Registration date shown in the IANA delegation record.
2025-08-28 IANA record last updated Latest update date displayed by the IANA delegation record.
Sources Official records This page keeps operational facts attached to their original source.
Explore Look up another TLD Search by label, operator, type, or IDN.