Rank #3,453Updated November 10, 2026
ustc.edu.cn
中国科学技术大学
The site runs on jQuery, jQuery Migrate, Modernizr and 3 other technologies. Its email security grade is C. Its SSL certificate is issued by ZeroSSL GmbH and is valid for 77 more days.
- Domain age
- —
- Technologies
- 6
- Email security
- C
- SSL days left
- 77
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 202.38.64.246 | 3600 |
| MX | smtp.ustc.edu.cn 5 | 3600 |
| NS | mx.ustc.edu.cn | 3600 |
| NS | ns.ustc.edu.cn | 3600 |
| TXT | MS=ms26813611 | 3600 |
| TXT | google-site-verification=n_uAijUqmjntOJL0L8N4SIIdw_3cAngmXFBIYgIDNkg | 3600 |
| TXT | v=spf1 ip4:202.38.64.8 ip4:202.38.64.16 ip4:202.38.64.46 ip4:210.45.120.152 ip4:202.141.161.73 ip4:195.128.10.69 ip4:199.168.14.54 ip4:202.141.163.236 ip4:205.201.128.18 ip4:210.45.71.12 ip4:195.128.10.18 ip4:195.128.10.15 -all | 3600 |
| AAAA | 2001:da8:d800:642::248 | 3600 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | AT, ZeroSSL RSA DV SSL CA 2, ZeroSSL GmbH |
| Expires | January 26, 2027 |
| Days remaining | 77 |
| Protocol | TLSv1.3 |
| Names | ustc.edu.cn |
Email security
CScore 79/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- 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).
- goodSPF record found.
- goodSPF ends with -all: servers you have not listed are rejected (hard fail).
- goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- goodDKIM keys found (selector: k2, dkim).
- good1 MX record(s) found.
Homepage metadata
| Title | 中国科学技术大学 |
|---|---|
| Indexable | Yes |
| Word count | 147 |
About ustc.edu.cn
What technology does ustc.edu.cn use?
We detected 6 technologies on ustc.edu.cn, including jQuery, jQuery Migrate, Modernizr, Slick, HSTS, Nginx.
Does ustc.edu.cn protect its email with SPF and DMARC?
ustc.edu.cn scores 79/100 (grade C) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of ustc.edu.cn?
ustc.edu.cn uses mx.ustc.edu.cn, ns.ustc.edu.cn.