SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
skbkontur-focus.ru
SSL/TLS Certificate
SSL/TLS Certificate for skbkontur-focus.ru
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- kontur-lp.ru
- Valid from
- Nov 11, 2026
- Valid until
- Feb 9, 2027 (88 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06A23A64E36923479D84B4913DBBA414C153
- SHA-256 fingerprint
- 21:67:54:A3:CF:3B:4B:E9:5E:81:D5:98:5F:C1:E4:6A:C5:77:A0:05:25:89:BB:28:6B:4E:C9:98:3A:12:C2:29
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 2 previous certificates for this host. This certificate has been served since Oct 15, 2026.
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This is today's certificate. Turn on monitoring and we'll watch skbkontur-focus.ru continuously, notifying you the moment anything moves across all three signals:

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, CNAME, TXT 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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