SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
shei-sama.ru
SSL/TLS Certificate
SSL/TLS Certificate for shei-sama.ru
Valid- Issued by (CA)
- GlobalSign nv-sa
- Subject
- www.shei-sama.ru
- Valid from
- Feb 16, 2026
- Valid until
- Mar 20, 2027 (225 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 19AC59517D6110968D87E8C8
- SHA-256 fingerprint
- 40:AC:88:4A:EE:13:8C:AC:17:35:7A:A7:00:2E:DE:C3:A7:95:04:65:34:97:00:01:6E:B0:D4:FD:7C:10:B6:46
- Chain
- GlobalSign GCC R6 AlphaSSL CA 2025 → GlobalSign
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Jul 26, 2026.
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Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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