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 sdggroup.xyz

Valid
Issued by (CA)
Gandi SAS
Subject
sdggroup.xyz
Valid from
Nov 6, 2026
Valid until
May 23, 2027 (196 days remaining)
Public key
EC 256-bit
Serial
08E28A494D5AC1ECB02689B9D22B5358
SHA-256 fingerprint
AA:C7:F5:60:E4:50:7D:F7:22:BE:12:C8:1A:1A:E7:85:BE:D2:BA:5A:51:D0:26:5E:97:F5:0F:DD:7E:28:9E:F4
Chain
GandiCert → DigiCert Global Root G2
Subject Alternative Names (1)
sdggroup.xyz

Certificate Authority Authorization (CAA)

CAA restricts issuance to digicert.com, sectigo.com; we couldn't map the serving CA (Gandi SAS) to one of these identifiers.

Never get surprised by sdggroup.xyz's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch sdggroup.xyz continuously, notifying you the moment anything moves across all three signals:

Certificate monitor showing the issuer, expiry date, chain status, fingerprint, covered names, and a history of a rotation and an expiry warning

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, CNAME, TXT 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.

Monitor this certificate free

Free for your first domain: uptime, DNS, and certificate together. No credit card.