SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
oak-and-ink.com
SSL/TLS Certificate
SSL/TLS Certificate for oak-and-ink.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- oak-and-ink.com
- Valid from
- Sep 19, 2026
- Valid until
- Dec 18, 2026 (82 days remaining)
- Public key
- EC 256-bit
- Serial
- 059726F5E23BAB65B6FF13E3B5757C5B6201
- SHA-256 fingerprint
- 7F:3A:76:26:F9:5D:5A:26:66:67:FA:9E:9F:DB:FC:86:E4:81:13:FB:0D:2A:40:00:83:28:A5:D4:13:82:3E:EF
- Chain
- YE2 → 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.
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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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