SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
12-east.com
SSL/TLS Certificate
SSL/TLS Certificate for 12-east.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- 12-east.com
- Valid from
- Aug 16, 2026
- Valid until
- Nov 14, 2026 (41 days remaining)
- Public key
- EC 256-bit
- Serial
- 0550C8D9422F7BC89E6540AE43E16B33FD24
- SHA-256 fingerprint
- 97:82:68:9D:DA:06:5D:92:6D:06:2B:EA:D2:0D:EC:89:0B:60:56:4A:EE:A1:F0:FC:5D:9D:EF:D8:62:8A:38:FD
- Chain
- YE1 → Root YE → ISRG Root X2 → ISRG Root X1
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 Sep 30, 2026.
Never get surprised by 12-east.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch 12-east.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, 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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