Guest session
Check Detail

barracuda.com · SSL

Passed Grade A
100.0%
Hostname barracuda.com
Check name SSL
last run 31/01/2026 21:30
Result
Incomplete Grade B 75.6%

Result Detail

SSL
Check name Status Value
certificate chain is complete ✅ Passed 3
root CA is trusted ✅ Passed Trusted
cert valid for ✅ Passed 67
chain certs are valid until ✅ Passed 08.04.2026
CN matches Domainname ✅ Passed barracuda.com
certificate subject ✅ Passed CN=barracuda.com
certificate issuer ✅ Passed C=US, O=Let's Encrypt, CN=R12
signature algorithm ✅ Passed RSA-SHA256
TLS protocol ✅ Passed TLSv1.3 TLS_AES_256_GCM_SHA384
Subject Alternative Names ✅ Passed barracuda.com
Public Key ✅ Passed RSA 2048
Certificate chain
# Common name Issuer Valid until CA
0 barracuda.com C=US, O=Let's Encrypt, CN=R12 08.04.2026 19:51:51 No
1 barracuda.com C=US, O=Let's Encrypt, CN=R12 08.04.2026 19:51:51 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 08.04.2026 19:51
Fingerprints
SHA-256 21:DD:61:FC:07:7D:E8:F8:8C:04:4B:08:75:8A:93:42:49:F1:D7:F0:A0:46:3C:C7:68:48:91:62:99:C6:BB:9F
SHA-1 FC:61:5E:06:25:11:B1:86:BF:18:24:8B:4E:B6:19:35:0B:5B:ED:AF
Revocation
OCSP URLs
CRL URLs
Full Name: URI:http://r12.c.lencr.org/79.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 barracuda.com:443 -servername barracuda.com