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 ogasuisan.com

Valid
Issued by (CA)
Amazon
Subject
ogasuisan.com
Valid from
Aug 30, 2026
Valid until
Mar 15, 2027 (157 days remaining)
Public key
RSA 2048-bit
Serial
03D9CCF2D8C8288A560D012F6E9088B4
SHA-256 fingerprint
BE:83:ED:21:02:49:CA:67:1B:4D:0A:89:4F:78:CD:12:1E:66:51:FD:81:E2:BF:8E:3C:2C:8F:60:70:13:EE:9D
Chain
Amazon RSA 2048 M01 → Amazon Root CA 1 → Starfield Services Root Certificate Authority - G2
Subject Alternative Names (2)
ogasuisan.com, www.ogasuisan.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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