Rank #9,510Updated November 10, 2026
karelia.ru
The site runs on Nginx. Its email security grade is C. Its SSL certificate is issued by GlobalSign nv-sa and is valid for 130 more days.
- Domain age
- —
- Technologies
- 1
- Email security
- C
- SSL days left
- 130
DNS records
| Type | Value | TTL |
|---|
Technology stack
Web server
SSL certificate
| Valid | Invalid |
|---|---|
| Issuer | BE, GlobalSign GCC R46 AlphaSSL CA 2025, GlobalSign nv-sa |
| Expires | March 20, 2027 |
| Days remaining | 130 |
| Protocol | TLSv1.3 |
| Names | *.petrsu.ru, petrsu.ru |
Email security
CScore 74/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnDMARC has no rua= address, so you receive no reports about mail sent as your domain.
- warnDKIM key found (selector: mail) but it is only 1024 bits; 2048 is recommended.
- 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 marked as suspicious (soft fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- good1 MX record(s) found.
About karelia.ru
What technology does karelia.ru use?
We detected 1 technologies on karelia.ru, including Nginx.
Does karelia.ru protect its email with SPF and DMARC?
karelia.ru scores 74/100 (grade C) for email security. DMARC has no rua= address, so you receive no reports about mail sent as your domain. DKIM key found (selector: mail) but it is only 1024 bits; 2048 is recommended.