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 s-config.com

Valid
Issued by (CA)
DigiCert Inc
Subject
*.s-config.com
Valid from
Oct 7, 2025
Valid until
Oct 6, 2026 (42 days remaining)
Public key
RSA 4096-bit
Serial
040D957DD91570BCFCBD4B8145586143
SHA-256 fingerprint
4D:F2:7E:45:EF:26:F1:76:2B:B3:A5:62:3F:35:E7:90:CB:8A:03:3F:BD:31:F8:22:1B:A1:D2:22:C8:CB:E4:99
Chain
RapidSSL TLS RSA CA G1 → DigiCert Global Root G2
Subject Alternative Names (2)
*.s-config.com, s-config.com

Certificate Authority Authorization (CAA)

The serving CA (DigiCert Inc) is not among the authorities this domain's CAA records authorize (rapidssl.com). This can indicate a misconfiguration or an unexpected issuance.

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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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