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 (71 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:	dns4.cs.binghamton.edu.
Nameserver:	dns1.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:	3d6645fbdc0da4281c738e6a63439edc4f6
Not Before:	Jul 09, 2024 01:27:16 GMT
Not After:	Oct 07, 2024 01:27:15 GMT
Number of certs:	2
Revocation Status:	good
OCSP Stapling:	Not Supported
Server:	Apache/2.4.61
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:	Jul 09, 2024 01:27:16 GMT
Not After:	Oct 07, 2024 01:27:15 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	3d6645fbdc0da4281c738e6a63439edc4f6
SHA1 Fingerprint:	EC:E3:90:05:93:3D:AA:07:99:99:04:39:06:70:3E:81:B4:8D:68:1D
MD5 Fingerprint:	AC:26:95:8B:F5:A4:15:74:0D:04:7C:8B:55:C5:62:07

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-----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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 3144 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