SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

walter.aero

SSL/TLS Certificate

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SSL/TLS Certificate for walter.aero

Valid
Issued by (CA)
Let's Encrypt
Subject
walter.aero
Valid from
May 23, 2026
Valid until
Aug 21, 2026 (32 days remaining)
Public key
RSA 2048-bit
Serial
055DD9808D34D48FF45B78396AB47A8F51B9
SHA-256 fingerprint
4B:DF:01:E8:C3:9C:3D:1D:A4:73:E4:89:8B:25:F1:2E:64:E3:80:E1:FA:BE:91:FC:20:F7:EA:D7:89:D4:00:65
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
*.walter.aero, walter.aero

Certificate Authority Authorization (CAA)

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