Rank #8,105Updated November 10, 2026
topelec.com.cn
TDEC - Intelligent Sensing · Data Acquisition Experts
The site runs on Next.js, React, Node.js and 1 other technologies. Its email security grade is F. Its SSL certificate is issued by DigiCert Inc and is valid for 110 more days.
- Domain age
- —
- Technologies
- 4
- Email security
- F
- SSL days left
- 110
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 121.89.87.91 | 900 |
| MX | mxbiz2.qq.com 10 | 900 |
| MX | mxbiz1.qq.com 5 | 900 |
| NS | ns4.myhostadmin.net | 3600 |
| NS | ns5.myhostadmin.net | 3600 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, RapidSSL TLS RSA CA G1, DigiCert Inc |
| Expires | March 1, 2027 |
| Days remaining | 110 |
| Protocol | TLSv1.3 |
| Names | www.topelec.com.cn, topelec.com.cn |
Email security
FScore 5/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- badNo SPF record. Anyone can send email that claims to come from topelec.com.cn.
- 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 MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- good2 MX record(s) found. Mail is handled by Tencent Exmail.
Homepage metadata
| Title | TDEC - Intelligent Sensing · Data Acquisition Experts |
|---|---|
| Description | A seasoned measurement instrumentation brand. Precise acquisition of dynamic physical signals, for mission-critical research trials. |
| Language | en |
| Canonical | https://www.topelec.com.cn/en |
| Structured data | Organization, WebSite |
| Indexable | Yes |
| Word count | 325 |
About topelec.com.cn
What technology does topelec.com.cn use?
We detected 4 technologies on topelec.com.cn, including Next.js, React, Node.js, Nginx.
Does topelec.com.cn protect its email with SPF and DMARC?
topelec.com.cn scores 5/100 (grade F) for email security. No SPF record. Anyone can send email that claims to come from topelec.com.cn. 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 topelec.com.cn?
topelec.com.cn uses ns4.myhostadmin.net, ns5.myhostadmin.net.