.JPRS
JPRS is not a domain extension, but rather the acronym for Japan Registry Services Co., Ltd., which is the registry operator for the .JP country code top-level domain (ccTLD) for Japan.
ccTLD
Registry Information
Technical Details
Restrictions: Registrants must have a local presence in Japan or be a Japanese entity.
Average Pricing: Varies
RDAP Server: https://rdap.jprs.jp/