Guest session
Check Detail

mutti.de · SSL

Passed Grade A
100.0%
Hostname mutti.de
Check name SSL
last run 15/10/2025 17:42
Result
Incomplete Grade C 74.4%

Result Detail

SSL
Check name Status Value
certificate chain is complete ✅ OK 3
root CA is trusted ✅ OK Trusted
cert valid for ✅ OK 41
chain certs are valid until ✅ OK 25.11.2025
CN matches Domainname ✅ OK mutti.de
certificate subject ✅ OK CN=mutti.de
certificate issuer ✅ OK C=US, O=Let's Encrypt, CN=R12
signature algorithm ✅ OK RSA-SHA256
TLS protocol ✅ OK TLSv1.3 TLS_AES_256_GCM_SHA384
Subject Alternative Names ✅ OK mutti.de
Public Key ✅ OK RSA 2048
Certificate chain
# Common name Issuer Valid until CA
0 mutti.de C=US, O=Let's Encrypt, CN=R12 25.11.2025 08:52:56 No
1 mutti.de C=US, O=Let's Encrypt, CN=R12 25.11.2025 08:52:56 No
2 R12 C=US, O=Internet Security Research Group, CN=ISRG Root X1 13.03.2027 00:59:59 Yes
TLS details
Negotiated protocol TLSv1.3
Cipher suite TLS_AES_256_GCM_SHA384 (256 bit)
Cipher version TLSv1.3
Perfect Forward Secrecy Attention
Earliest chain expiry 25.11.2025 08:52
Fingerprints
SHA-256 33:71:91:7F:2D:25:FC:B0:68:FD:0F:C1:9B:E9:81:41:8B:0E:C6:1A:64:6E:1E:26:A5:B9:E2:6E:A8:12:E3:66
SHA-1 5B:F1:78:98:01:63:AF:7B:14:2D:6E:6D:5D:0C:1B:3E:1C:35:DA:15
Revocation
OCSP URLs
CRL URLs
Full Name: URI:http://r12.c.lencr.org/15.crl
Issuer URLs (AIA)
http://r12.i.lencr.org/
OCSP Must-Staple No
Trust evaluation

Attempted: Yes

Trusted: Yes

OpenSSL diagnostic command
openssl s_client -connect mutti.de:443 -servername mutti.de