.sener
.sener is a brand extension, run by Sener Ingeniería y Sistemas, S.A. since 2015. Only Sener Ingeniería y Sistemas, S.A., its affiliates and trademark licensees can register .sener names; they are not for sale to the public.
| Type | Brand |
|---|---|
| Registry operator | Sener Ingeniería y Sistemas, S.A. |
| Who can register | Brand owner only Brand extension: only the registry operator, its affiliates and trademark licensees register names. |
| In the root zone since | 1 May 2015 |
| DNSSEC | Signed |
| RDAP server | https://rdap.identitydigital.services/rdap/ |
| WHOIS server | whois.nic.rwe |
| IANA record | iana.org/domains/root/db/sener |
Look up a .sener domain
The .sener registry publishes registration data over RDAP. The free domain report reads it and shows a .sener 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 Something out of date?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 .sener extension?
Sener Ingeniería y Sistemas, S.A. is the registry operator for .sener. The registry keeps the list of every .sener name; registrars sell the names to the public.
Can anyone register a .sener domain?
Only Sener Ingeniería y Sistemas, S.A., its affiliates and trademark licensees can register .sener names; they are not for sale to the public.
When was .sener created?
.sener was added to the DNS root zone on 1 May 2015, according to IANA.
How do I look up who owns a .sener domain?
The .sener registry publishes registration data over RDAP at https://rdap.identitydigital.services/rdap/ and over WHOIS at whois.nic.rwe. The free domain report on lemon.domains reads it for you and shows the registrar, dates and status.
Is .sener signed with DNSSEC?
Yes. The .sener zone is signed, so a .sener domain can turn on DNSSEC once its registrar adds a DS record.