SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
one-giant.co.uk
SSL/TLS Certificate
SSL/TLS Certificate for one-giant.co.uk
Valid- Issued by (CA)
- GoDaddy.com
- Subject
- one-giant.co.uk
- Valid from
- Sep 20, 2026
- Valid until
- Apr 6, 2027 (146 days remaining)
- Public key
- RSA 2048-bit
- Serial
- C4513BE4B0554C15
- SHA-256 fingerprint
- 64:0B:A1:4D:1E:70:7B:10:B7:41:70:E9:FA:88:EF:AA:61:AB:33:E5:58:31:11:A3:9D:2C:7B:D3:BC:2F:3F:1C
- Chain
- GoDaddy TLS Intermediate CA DV - R1v1 → GoDaddy TLS Root CA - R1 → Go Daddy Root Certificate Authority - G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Nov 2, 2026.
Never get surprised by one-giant.co.uk's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch one-giant.co.uk 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, 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.
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