Open WHOISbuilt by Just

.aco WHOIS lookup

.aco is managed by ACO Severin Ahlmann GmbH & Co. KG. Its registry answers lookups over RDAP at rdap.nic.aco, so a .aco lookup here reads the registry directly.

Managed by

ACO Severin Ahlmann GmbH & Co. KG
As listed by IANA

RDAP

rdap.nic.aco
Lookups read the registry live

WHOIS server

whois.nic.aco

DNSSEC

Signed
The ending is signed in the root zone

In the root zone since

16 July 2015

Registry website

www.aco.com

What a .aco lookup shows

The registrar, when the domain was registered and when it expires, every status code in plain words, nameservers and DNSSEC, plus the mail setup read from DNS.

WHOIS vs RDAPWho owns a domain?All endings

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Ending: .aco
Managed by: ACO Severin Ahlmann GmbH & Co. KG
RDAP base URL: https://rdap.nic.aco/
WHOIS server: whois.nic.aco
DNSSEC signed in the root: yes
Source: IANA root zone database and RDAP bootstrap, read 2026-10-31
Lookup URL: https://openwhois.org/#d=example.aco