Delegated IANA root zone
.merck
Generic top-level domain
A source-linked reference record for .merck , combining IANA delegation data with registry metadata.
Registry Merck Registry Holdings, Inc.
IANA type Generic
Registered Not published
DNSSEC Not determined
Overview
Registry
Technical
History
Sources
Overview
About .merck
IANA
.merck is listed by IANA as a generic top-level domain. The sponsoring organisation shown in the IANA delegation record is Merck Registry Holdings, Inc..
Policy and eligibility are deliberately not inferred from the string name. Registration rules should be taken from the registry and its official documentation.
Generic
Delegated
Sponsoring organisation Merck Registry Holdings, Inc.
WHOIS whois.nic.merck
Registration date Not published
IANA last update 2026-04-18
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.
ns1.dns.business 157.90.205.138 · 2a01:4f8:252:4295:0:0:9d5a:cd8a
ns2us.dns.business 147.135.106.236 · 2604:2dc0:200:2eb:0:0:0:2
nsp.netnod.se 194.58.198.33 · 2a01:3f1:3033:0:0:0:0:53
Protocol endpoints Published registry lookup services.
WHOIS whois.nic.merck
Delegation history Record timeline Only milestones that can be tied directly to official records are shown.
Delegation of the .merck domain to Merck Registry Holdings, Inc.
2026-04-18 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.
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