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 witsec.nl

Valid
Issued by (CA)
Let's Encrypt
Subject
ftp.witsec.nl
Valid from
Jun 17, 2026
Valid until
Sep 15, 2026 (57 days remaining)
Public key
EC 384-bit
Serial
0637BFDAF275865231BC8AE4BE23BA85CF62
SHA-256 fingerprint
B5:E8:A0:A0:1F:7D:C3:11:79:BA:9E:B5:75:FA:6B:7B:4A:A1:5E:D5:BA:0D:EC:97:67:A4:FC:4A:EE:5F:14:DD
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (5)
ftp.witsec.nl, pop.witsec.nl, smtp.witsec.nl, witsec.nl, www.witsec.nl

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.