List of domain extensions

.abb

.abb is a brand extension, run by ABB Ltd since 2015. Only ABB Ltd, its affiliates and trademark licensees can register .abb names; they are not for sale to the public.

TypeBrand
Registry operatorABB Ltd
Who can registerBrand owner only
Brand extension: only the registry operator, its affiliates and trademark licensees register names.
In the root zone since25 April 2015
DNSSECSigned
RDAP serverhttps://rdap.identitydigital.services/rdap/
WHOIS serverwhois.nic.abb
IANA recordiana.org/domains/root/db/abb

Look up a .abb domain

The .abb registry publishes registration data over RDAP. The free domain report reads it and shows a .abb domain's registrar, dates, status and DNS in one place. For the raw record, use the WHOIS lookup.

New to extensions? The guide to how domain extensions work covers generic, country-code and brand extensions. For who sells extensions in general, see the list of domain registrars.

Sources: the IANA root zone database and the ICANN list of generic extensions (refreshed 2026-10-24). Something out of date? Tell us.

Frequently asked questions

Who runs the .abb extension?

ABB Ltd is the registry operator for .abb. The registry keeps the list of every .abb name; registrars sell the names to the public.

Can anyone register a .abb domain?

Only ABB Ltd, its affiliates and trademark licensees can register .abb names; they are not for sale to the public.

When was .abb created?

.abb was added to the DNS root zone on 25 April 2015, according to IANA.

How do I look up who owns a .abb domain?

The .abb registry publishes registration data over RDAP at https://rdap.identitydigital.services/rdap/ and over WHOIS at whois.nic.abb. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.

Is .abb signed with DNSSEC?

Yes. The .abb zone is signed, so a .abb domain can turn on DNSSEC once its registrar adds a DS record.