Is 21tb.com Legit or Not?
Our checks and user reviews suggest this website is legitimate. Still use normal caution when paying online.
Last checked October 19, 2026
Summary
21tb.com (operated by 上海时代光华教育发展有限公司) has a trust score of 90 out of 100. The domain was registered on August 16, 2002, about 24.2 years ago, and the site uses a valid HTTPS certificate. No customer reviews have been posted yet.
How the site describes itself: "为企业提供数字化企业学习平台解决方案,在线培训系统、企业培训SaaS软件、3000+企业培训课程、在线培训考试系统、数字化企业学习咨询，助力降本增效，提升人才效能"
What we found
- +10 Valid HTTPS certificate
- +25 Domain registered 24+ years ago
- +3 Contact details published on the website
- +5 Organisation-validated certificate issued to 上海时代光华教育发展有限公司
- −3 Numbers in the domain name
Every website starts at 50 points. How the score works
Company and contact
- Company
- 上海时代光华教育发展有限公司
- Source
- Security certificate (organisation validated)
- [email protected]
- Phone
- Not found
- Policies linked
- About
- Social profiles
- None found
Domain and security
- Registered
- Aug 16, 2002
- Domain age
- 24.2 years
- Expires
- Aug 16, 2028 (in 649 days)
- Registrar
- Xin Net Technology Corporation
- Registry status
- Active
- HTTPS
- Valid certificate
- Certificate issuer
- DigiCert, Inc. until Dec 26, 2026
- IP address
- 123.103.18.6
- 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.
21tb.com reviews
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What people search about 21tb.com
The most common searches about 21tb.com, so you can see what other shoppers want to know.
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Is 21tb.com legit, safe or a scam?
Is 21tb.com legit?
Based on our checks, 21tb.com scores 90 out of 100, which we rate as "Likely Legit". The domain has been registered for 24.2 years. There are no customer reviews yet, so we cannot confirm what buying from them is like.
Is 21tb.com safe to buy from?
21tb.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 21tb.com real or fake?
21tb.com looks like a real, established website: its domain is 24.2 years old and it is operated by 上海时代光华教育发展有限公司.
Is 21tb.com a scam?
We found no strong signs that 21tb.com is a scam, but no automated check is perfect. Read the reviews for real experiences.
Is 21tb.com trustworthy?
There are not enough customer reviews yet to judge. Our automated checks give it 90 out of 100.
Who owns 21tb.com?
According to security certificate (organisation validated), the website is operated by 上海时代光华教育发展有限公司. The domain is registered through Xin Net Technology Corporation.