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 marekhealth.com

Valid
Issued by (CA)
Amazon
Subject
marekhealth.com
Valid from
Nov 16, 2025
Valid until
Dec 15, 2026 (104 days remaining)
Public key
RSA 2048-bit
Serial
0EAA374A6A71C3057E3CAD311CB700BA
SHA-256 fingerprint
71:DA:D5:C9:6C:8B:CB:B1:B5:4D:81:CF:A3:5A:F3:24:99:8F:E1:AC:03:59:74:23:AB:AC:21:CE:19:9B:34:05
Chain
Amazon RSA 2048 M04 → Amazon Root CA 1 → Starfield Services Root Certificate Authority - G2
Subject Alternative Names (2)
*.marekhealth.com, marekhealth.com

Certificate Authority Authorization (CAA)

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

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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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