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 go-sh.uk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- go-sh.uk
- Valid from
- Sep 18, 2026
- Valid until
- Dec 17, 2026 (73 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06C070DEF6CDCE4780CE0F014650AE285787
- SHA-256 fingerprint
- 90:B3:21:FA:49:BA:6F:A2:48:AE:3B:0E:BF:AA:AD:2C:E6:4A:14:CA:07:C0:A2:72:54:5F:C5:1B:3C:4C:FF:66
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Sep 25, 2026.
Never get surprised by go-sh.uk's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch go-sh.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, 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.