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 freifunk.saarland

Valid
Issued by (CA)
Let's Encrypt
Subject
dillingen.freifunk.net
Valid from
Jul 5, 2026
Valid until
Oct 3, 2026 (73 days remaining)
Public key
RSA 4096-bit
Serial
05848BF472A149FC6CF68E6248CE5D3CA501
SHA-256 fingerprint
A0:58:7F:B8:FC:E4:BC:1C:43:17:11:D8:8E:47:DD:C1:3E:AE:0F:80:1F:00:BC:08:2E:6A:B0:BF:4D:83:48:D3
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (36)
*.dillingen.freifunk.net, *.ff-sl.de, *.ff-sl.net, *.freifunk-dillingen.de, *.freifunk-merzig.de, *.freifunk-neunkirchen.de, *.freifunk-saar.de, *.freifunk-saarbruecken.de, *.freifunk-saarlouis.de, *.freifunk-saarpfalz.de, *.freifunk-st-wendel.de, *.freifunk.saarland, *.merzig.freifunk.net, *.neunkirchen.freifunk.net, *.saarbruecken.freifunk.net, *.saarlouis.freifunk.net, *.xn--freifunk-saarbrcken-kbc.de, *.xn--saarbrcken-feb.freifunk.net, dillingen.freifunk.net, ff-sl.de, ff-sl.net, freifunk-dillingen.de, freifunk-merzig.de, freifunk-neunkirchen.de, freifunk-saar.de, freifunk-saarbruecken.de, freifunk-saarlouis.de, freifunk-saarpfalz.de, freifunk-st-wendel.de, freifunk.saarland, merzig.freifunk.net, neunkirchen.freifunk.net, saarbruecken.freifunk.net, saarlouis.freifunk.net, xn--freifunk-saarbrcken-kbc.de, xn--saarbrcken-feb.freifunk.net

Certificate Authority Authorization (CAA)

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