SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for msg-spectech.ru

Valid
Issued by (CA)
Let's Encrypt
Subject
*.msg-spectech.ru
Valid from
Jul 12, 2026
Valid until
Oct 10, 2026 (64 days remaining)
Public key
RSA 2048-bit
Serial
05D66BD1F4EB55C66C880F22659617DAC41F
SHA-256 fingerprint
B8:17:8C:20:C6:91:E1:4E:88:C8:89:6B:D7:53:04:E3:51:93:85:A1:84:C4:D0:47:5C:64:A9:98:57:88:82:D1
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.msg-spectech.ru, msg-spectech.ru

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

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This is today's certificate. Turn on monitoring and we'll watch msg-spectech.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, 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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