Every extension, oldest first
cas3
We have seen cas3 registered in 19 extensions. The oldest is cas3.co.jp, registered on 1 Sep 1999; the newest, cas3.xyz, on 21 Oct 2026.
Checking which of them answer in DNS today…
- Seen in
- 19 extensions
- Oldest
- 1999 cas3.co.jp
- Newest
- 2026 cas3.xyz
- In DNS today
- … checking
Registered in
| Year | Domain | Registered | Expires | Registrar | Details | DNS today | Screenshot |
|---|---|---|---|---|---|---|---|
| 1999 | cas3.co.jp | 1 Sep 1999 | Sep 2027 | — | 1 Sep 1999 expires Sep 2027 | checking… | |
| 1999 | cas3.com | 10 Dec 1999 | Dec 2026 | MarkMonitor Inc. | 10 Dec 1999 expires Dec 2026 | checking… | |
| 1999 | cas3.net | 10 Dec 1999 | Dec 2026 | MarkMonitor Inc. | 10 Dec 1999 expires Dec 2026 | checking… | |
| 2014 | cas3.com.br | 18 Aug 2014 | Aug 2028 | — | 18 Aug 2014 expires Aug 2028 | checking… |  |
| 2021 | cas3.org | 10 Nov 2021 | Nov 2026 | IONOS SE | 10 Nov 2021 expires Nov 2026 | checking… | |
| 2024 | cas3.top | 2 Jul 2024 | Jul 2027 | NameSilo, LLC | 2 Jul 2024 expires Jul 2027 | checking… |  |
| 2025 | cas3.site | 9 Apr 2025 | Apr 2027 | Beget LLC | 9 Apr 2025 expires Apr 2027 | checking… | |
| 2026 | cas3.app | 2 Apr 2026 | Apr 2029 | Squarespace Domains II LLC. | 2 Apr 2026 expires Apr 2029 | checking… |  |
| 2026 | cas3.casino | 15 May 2026 | May 2027 | Spaceship, Inc. | 15 May 2026 expires May 2027 | checking… |  |
| 2026 | cas3.bio | 9 Jun 2026 | Jun 2027 | Dynadot Inc | 9 Jun 2026 expires Jun 2027 | checking… |  |
| 2026 | cas3.bet | 14 Jun 2026 | Jun 2027 | Dynadot Inc | 14 Jun 2026 expires Jun 2027 | checking… |  |
| 2026 | cas3.click | 21 Oct 2026 | Oct 2027 | DYNADOT LLC | 21 Oct 2026 expires Oct 2027 | checking… |  |
| 2026 | cas3.xyz | 21 Oct 2026 | Oct 2027 | DYNADOT LLC | 21 Oct 2026 expires Oct 2027 | checking… |  |
| — | cas3.best | no date on record | — | — | no date on record | checking… |  |
| — | cas3.de | no date on record | — | — | no date on record | checking… |  |
| — | cas3.in | no date on record | — | — | no date on record | checking… | |
| — | cas3.io | no date on record | — | — | no date on record | checking… | |
| — | cas3.my | no date on record | — | — | no date on record | checking… |  |
| — | cas3.ph | no date on record | — | — | no date on record | checking… |
Seen before, not in DNS now
These names were registered when we last saw them, but they have no nameservers today. They may have lapsed, or be registered and parked without DNS. Not in DNS does not mean free: only the registry can say that.
| Year | Domain | Registered | Expires | Registrar | Details | DNS today | Screenshot |
|---|
How to read this
Registered is the creation date in the registry's own record (WHOIS or RDAP) when we last looked. A name that lapsed and was registered again shows its newest registration.
No date on record means we do not have the date yet, or the registry does not publish one. Missing years fill in over time, and so do registrations we have not seen yet.
Not in DNS means the name has no nameservers today. It never means the name is free to register: only a registry can tell you that.