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
- Sep 6, 2026
- Valid until
- Dec 5, 2026 (54 days remaining)
- Public key
- EC 256-bit
- Serial
- 0604536B532A89EC08907F5F215A4B261226
- SHA-256 fingerprint
- CB:D2:D7:03:B1:D9:2D:94:19:F5:47:5E:74:B5:CE:95:7B:5C:08:3E:BE:F1:5D:B2:04:D5:1C:88:AE:FA:55:FB
- 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).
We've observed 1 previous certificate for this host. This certificate has been served since Oct 3, 2026.
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Uptime
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DNS changes
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TLS certificate
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