SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
rnp-lukoil.ru
SSL/TLS Certificate
SSL/TLS Certificate for rnp-lukoil.ru
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- rnp-lukoil.ru
- Valid from
- Jul 7, 2026
- Valid until
- Oct 5, 2026 (75 days remaining)
- Public key
- EC 256-bit
- Serial
- 05D951958F44EF1B90050123BC36CC17B1E0
- SHA-256 fingerprint
- 41:0F:67:38:FD:85:07:20:93:B9:54:0E:8C:17:62:96:90:2B:BD:A1:5E:E5:34:48:BF:34:6B:85:D4:B9:C4:BD
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).
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Uptime
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DNS changes
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TLS certificate
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