.SJ Domains

.sj was a country code top-level domain initially reserved for Svalbard and Jan Mayen islands in the Arctic Ocean, however it is not currently used and registrations connected to these islands can go under the Norwegian ccTLD .no.

Slovenian (.si) Domains

With no restrictions on registrations, the .si domain name is perfect for anyone looking to extend their target audience to Slovenia or be creative and play around with the variety of potential domain hacks available in the Spanish language.