ホームページビルダー教室に今朝ほど次のようなメールが送られてきました。WHOISの情報から勝手にメールを送ってきているのだと思います。こういうメールは無視しましょう。

Fwd: Attn: Registration Information of homepage-builder.info
Domain Name: homepage-builder.info
Bill To: Invoice # OCT-2-1354-1084889 
Yuji Kamata Invoice Date 10/27/2015 
Tsurumi-ku Tsukuno-cho 34-2|Curiostation, Tsurumi, Tsukuno Terms Net 15 
Yokohama-shi, Kanagawa 2300061 Due Date 11/1/2015 
 P.O.#

SECURE ONLINE PAYMENT 
Domain Name Date Range Price Term 
homepage-builder.info 10/27/2015 - 10/27/2016 $75.00 1 Year

Dear Yuji Kamata,

Don't miss out on this offer which includes search engine submissions for homepage-builder.info for 12 months. There is no obligation to pay for this order unless you complete your payment by 11/1/2015. Our services provide submission and search engine ranking for domain owners. This offer for submission services is not required to renew your domain registration.

Failure to complete your search engine registration by 11/1/2015 may result in the cancellation of this order (making it difficult for your customers to locate you using search engines on the web).

You are under no obligation to pay the amount stated above unless you accept this offer by 11/1/2015. This is a courtesy reminder for homepage-builder.info.

This offer for homepage-builder.info will expire on 11/1/2015. Act today!
For Domain Name:
homepage-builder.info
SECURE ONLINE PAYMENT