s-plus1.com

s-plus1.com is a live Japanese-language website hosted on Xserver Inc. (AS131965) in Japan, served by Nginx. cl0q first saw it on 2026-10-18 and last crawled it on 2026-10-18. It resolves to 183.181.81.121 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.

How the site describes itself:

しどう会+1 – 東京都銀座の中学受験専門・算数単科塾

東京都中央区銀座のしどう会+1は、算数を軸に、難関中学受験への挑戦はもちろん、日々の学びから得られる喜びと自信といった人間力を育むことを目標とした塾です。共に、算数の力を深め、未来に向けた大きな一歩を踏み出しましょう。