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 2join.be
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- 2join.be
- Valid from
- May 26, 2026
- Valid until
- Aug 24, 2026 (25 days remaining)
- Public key
- EC 384-bit
- Serial
- 0628C2C63965EB44D9D39DE3C516362EF288
- SHA-256 fingerprint
- E1:12:00:AB:8B:DC:60:51:F0:F6:2E:3A:74:F9:AA:57:F9:85:75:08:D4:C0:48:70:CB:9C:FD:CF:A7:2A:27:A1
- Chain
- E7 → 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
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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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