Is 31sumai.com Legit or Not?
Our checks and user reviews suggest this website is legitimate. Still use normal caution when paying online.
Last checked October 30, 2026
Summary
31sumai.com (operated by Mitsui Fudosan Residential Co.,Ltd) has a trust score of 88 out of 100. The domain was registered on August 16, 2000, about 26.2 years ago, and the site uses a valid HTTPS certificate. No customer reviews have been posted yet.
How the site describes itself: "三井のすまい（31sumai.com）三井不動産レジデンシャル【公式サイト】。三井のすまい（31sumai.com）は、新築マンション･分譲マンション･一戸建ての住まい情報総合サイトです。"
What we found
- +10 Valid HTTPS certificate
- +25 Domain registered 26+ years ago
- +3 Contact details published on the website
- +3 Privacy, terms or refund policies are linked
- −3 Numbers in the domain name
Every website starts at 50 points. How the score works
Company and contact
- Company
- Mitsui Fudosan Residential Co.,Ltd
- Source
- Copyright notice on the website
- Not found
- Phone
- Not found
- Policies linked
- Contact, About, Privacy policy, Terms
- Social profiles
- None found
Domain and security
- Registered
- Aug 16, 2000
- Domain age
- 26.2 years
- Expires
- Aug 16, 2028 (in 649 days)
- Registrar
- Japan Registry Services Co., Ltd.
- Registry status
- Active
- HTTPS
- Valid certificate
- Certificate issuer
- Amazon until Mar 24, 2027
- DNS / hosting
- Amazon Web Services
- IP address
- 3.113.142.5
- Email on domain
- Set up
- Google Safe Browsing
- Not checked
Connected websites
Redirects, shared servers, the same operator and links can reveal a network of related sites.
Links to (15)
External websites linked from the homepage.
31sumai.com reviews
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Is 31sumai.com legit, safe or a scam?
Is 31sumai.com legit?
Based on our checks, 31sumai.com scores 88 out of 100, which we rate as "Likely Legit". The domain has been registered for 26.2 years. There are no customer reviews yet, so we cannot confirm what buying from them is like.
Is 31sumai.com safe to buy from?
31sumai.com uses a valid HTTPS certificate, so payment details are encrypted on the way to the site. Whatever the score, pay with a card or PayPal so you can dispute the charge if something goes wrong.
Is 31sumai.com real or fake?
31sumai.com looks like a real, established website: its domain is 26.2 years old and it is operated by Mitsui Fudosan Residential Co.,Ltd.
Is 31sumai.com a scam?
We found no strong signs that 31sumai.com is a scam, but no automated check is perfect. Read the reviews for real experiences.
Is 31sumai.com trustworthy?
There are not enough customer reviews yet to judge. Our automated checks give it 88 out of 100.
Who owns 31sumai.com?
According to copyright notice on the website, the website is operated by Mitsui Fudosan Residential Co.,Ltd. The domain is registered through Japan Registry Services Co., Ltd..