Koipara.com is a Japanese-language online dating and social matchmaking service, offering features such as email-based messaging with a points-reward system for reading and sending messages. It targets Japanese mobile and web users seeking romantic connections, friendships, and introductions, with support for major Japanese carriers including Docomo, EZweb, and J-Phone. The site is operated by Medicom K.K., based in Toshima-ku, Tokyo.
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Authority
—/100
Safety
90/100
Registered
Oct 8, 2025
11 months old · GMO Internet Group, Inc. d/b/a Onamae.com
3 of 5 safety checks passed (Sep 11, 2026).
AboutUs has not vetted this site. 2 of 5 automated safety checks did not pass. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.
Current facts
What AboutUs observed on the live site and in WHOIS/DNS today. These are measurements, not an endorsement of the site.
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Domain registered Oct 8, 2025 — 11 months old.
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Registrar today: GMO Internet Group, Inc. d/b/a Onamae.com — unchanged since AboutUs began tracking (Sep 10, 2026).
We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.
Safety evidence
All checked sources came back clean
Site history
Dated record — historical facts always carry their date.