SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
li1466-229.members.linode.com
SSL/TLS Certificate
SSL/TLS Certificate for li1466-229.members.linode.com
Self-signed- Issued by (CA)
- localhost
- Subject
- localhost
- Valid from
- Sep 2, 2020
- Valid until
- Aug 31, 2030 (1387 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 348319FE227C7FEC1AC7F367D33081F4C61C764D
- SHA-256 fingerprint
- FD:28:C7:D1:B1:E4:11:DB:26:D6:1E:0A:7D:35:03:49:D8:65:6B:31:36:D7:7C:16:F7:C9:C5:BE:95:F3:98:28
- Chain
- localhost
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 Jul 21, 2026.
Never get surprised by li1466-229.members.linode.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch li1466-229.members.linode.com 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.