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 genericapp.com

Valid
Issued by (CA)
Let's Encrypt
Subject
genericapp.com
Valid from
May 28, 2026
Valid until
Aug 26, 2026 (33 days remaining)
Public key
EC 256-bit
Serial
0694D7385A3B1E5DAA9A40BD35DBA8A51439
SHA-256 fingerprint
1C:C2:B1:32:0A:77:70:CD:39:C0:F9:5D:64:24:36:53:9B:1B:05:EB:77:2D:98:22:41:B3:AF:8E:32:5C:8E:44
Chain
YE2 → Root YE → ISRG Root X2
Subject Alternative Names (2)
*.genericapp.com, genericapp.com

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 genericapp.com 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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