Rank #2,190Updated November 10, 2026
51.la
51LA - 领先的数据统计服务商
The site runs on Nginx. Its email security grade is F. Its SSL certificate is issued by PKI(Chongqing) Limited and is valid for 166 more days.
- Domain age
- —
- Technologies
- 1
- Email security
- F
- SSL days left
- 166
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 43.169.95.124 | 60 |
| NS | u2.xundns.com | 7200 |
| NS | u1.xundns.com | 7200 |
Technology stack
Web server
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | CN, Keymatic Secure Domain RSA CA G1, PKI(Chongqing) Limited |
| Expires | April 25, 2027 |
| Days remaining | 166 |
| Protocol | TLSv1.3 |
| Names | *.51.la, 51.la, js.users.51.la |
Email security
FScore 15/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- badNo SPF record. Anyone can send email that claims to come from 51.la. Domains that send no email should publish "v=spf1 -all".
- badNo DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MX records: this domain cannot receive email.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
Homepage metadata
| Title | 51LA - 领先的数据统计服务商 |
|---|---|
| Description | 51LA - 领先的数据统计服务商 |
| Language | zh-CN |
| Indexable | Yes |
| Word count | 0 |
About 51.la
What technology does 51.la use?
We detected 1 technologies on 51.la, including Nginx.
Does 51.la protect its email with SPF and DMARC?
51.la scores 15/100 (grade F) for email security. No SPF record. Anyone can send email that claims to come from 51.la. Domains that send no email should publish "v=spf1 -all". No DMARC record. Receivers have no instructions for mail that fails SPF and DKIM, and you get no reports about who sends as your domain.
What are the name servers of 51.la?
51.la uses u2.xundns.com, u1.xundns.com.