SSL Checker

Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.

Report

It's all good. We have not detected any issues.

Hostname:	Matches Common Name or/and SAN
Expired:	No (65 days till expiration)
Public Key:	We were unable to find any issues in the public key of end-entity certificate
Trusted:	Yes, we were able to verify the certificate
Self-Signed:	No, the end-entity certificate is not self-signed
Chain Issues:	No, we were unable to detect any issues in the certificate chain sent by the server
Weak signatures:	No, certificates sent by the server were not signed utilizing a weak hash function
OCSP Status:	OCSP Responder returned "good" status for the end-entity certificate

DNS Information

Resolves To:	128.226.118.15
Reverse IP lookup:	necro.cs.binghamton.edu.
Nameserver:	dns1.cs.binghamton.edu.
Nameserver:	dns4.cs.binghamton.edu.
Nameserver:	dns2.cs.binghamton.edu.
Nameserver:	dns3.cs.binghamton.edu.

General Information

Common Name:	*.cs.binghamton.edu
SANs:	DNS:*.cs.binghamton.eduDNS:cs.binghamton.edu Total number of SANs: 2
Signature Algorithm:	sha256WithRSAEncryption
Key Type:	RSA
Key size:	2048 bits
Serial Number:	3e3bcf60144c8d42e3c0346d01e4bc3c874
Not Before:	Jan 06, 2025 21:40:45 GMT
Not After:	Apr 06, 2025 21:40:44 GMT
Number of certs:	2
Revocation Status:	good
OCSP Stapling:	Not Supported
Server:	Apache/2.4.62
HSTS:	Not Supported
HPKP:	Not Supported

Chain Information

Certificate # 1 - Common Name: *.cs.binghamton.edu

Decode this certificate for verbose information →

Subject Common Name	*.cs.binghamton.edu
Issuer Common Name	R11
Issuer Organization	Let's Encrypt
Not Before:	Jan 06, 2025 21:40:45 GMT
Not After:	Apr 06, 2025 21:40:44 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	3e3bcf60144c8d42e3c0346d01e4bc3c874
SHA1 Fingerprint:	7A:79:20:E5:B1:FF:FF:46:9B:B0:7C:85:4F:5A:F2:91:57:F8:F1:D6
MD5 Fingerprint:	9F:48:49:34:BA:84:0D:A7:09:AA:C0:94:29:4B:73:56

Certificate # 2 - Common Name: R11

Decode this certificate for verbose information →

In place?	Yes, this certificate directly certifies the preceding one
Subject Common Name	R11
Subject Organization	Let's Encrypt
Issuer Common Name	ISRG Root X1
Issuer Organization	Internet Security Research Group
Not Before:	Mar 13, 2024 00:00:00 GMT
Not After:	Mar 12, 2027 23:59:59 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	8a7d3e13d62f30ef2386bd29076b34f8
SHA1 Fingerprint:	69:6D:B3:AF:0D:FF:C1:7E:65:C6:A2:0D:92:5C:5A:7B:D2:4D:EC:7E
MD5 Fingerprint:	2F:AC:04:55:31:47:F4:6A:49:DF:9B:4E:BE:A6:DF:43

OpenSSL Handshake

depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = R11
verify return:1
depth=0 CN = *.cs.binghamton.edu
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:CN = *.cs.binghamton.edu
   i:C = US, O = Let's Encrypt, CN = R11
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----
 1 s:C = US, O = Let's Encrypt, CN = R11
   i:C = US, O = Internet Security Research Group, CN = ISRG Root X1
-----BEGIN CERTIFICATE-----
MIIFBjCCAu6gAwIBAgIRAIp9PhPWLzDvI4a9KQdrNPgwDQYJKoZIhvcNAQELBQAw
TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjQwMzEzMDAwMDAw
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RW5jcnlwdDEMMAoGA1UEAxMDUjExMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB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-----END CERTIFICATE-----
---
Server certificate
subject=CN = *.cs.binghamton.edu

issuer=C = US, O = Let's Encrypt, CN = R11

---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 3145 bytes and written 408 bytes
Verification: OK
---
New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
Server public key is 2048 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
---
DONE