Namecheap.com

SSL Checker

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

Report

Hostname: Matches Common Name or/and SAN
Expired: No (265 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: The order of certificates is invalid or certificates cannot build certification path
OCSP Status: OCSP Responder returned "good" status for the end-entity certificate
Download Bundle:
Chain of CA certificates (Apache)
End-entity certificate + chain of CA certificates (Nginx)
Weak signatures: No, certificates sent by the server were not signed utilizing a weak hash function

DNS Information

Resolves To: 108.138.246.31
Reverse IP lookup: No records found
Nameserver: ns-1484.awsdns-57.org.
Nameserver: ns-1850.awsdns-39.co.uk.
Nameserver: ns-225.awsdns-28.com.
Nameserver: ns-629.awsdns-14.net.

General Information

Common Name: *.academia.edu
SANs: DNS:*.academia.eduDNS:academia.edu Total number of SANs: 2
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 1d5edcb269659925f8336ee31afcffff
Not Before: Aug 28, 2021 00:00:00 GMT
Not After: Aug 28, 2022 23:59:59 GMT
Number of certs: 5
Revocation Status: good
OCSP Stapling: Supported
Server: nginx
HSTS: Not Supported
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: *.academia.edu

Decode this certificate for verbose information →
Subject Common Name *.academia.edu
Issuer Common Name Sectigo RSA Domain Validation Secure Server CA
Issuer Organization Sectigo Limited
Not Before: Aug 28, 2021 00:00:00 GMT
Not After: Aug 28, 2022 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 1d5edcb269659925f8336ee31afcffff
SHA1 Fingerprint: 03:F0:0E:03:40:31:8E:ED:AE:CF:68:7D:CB:0D:07:17:9F:29:CD:D0
MD5 Fingerprint: 1D:EF:BA:28:2A:D9:80:D9:91:FC:89:E4:6C:EA:6A:8B

Certificate # 2 - Common Name: *.academia.edu

Decode this certificate for verbose information →
In place? No, this certificate does not directly certify the preceding one
Subject Common Name *.academia.edu
Issuer Common Name Sectigo RSA Domain Validation Secure Server CA
Issuer Organization Sectigo Limited
Not Before: Aug 28, 2021 00:00:00 GMT
Not After: Aug 28, 2022 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 1d5edcb269659925f8336ee31afcffff
SHA1 Fingerprint: 03:F0:0E:03:40:31:8E:ED:AE:CF:68:7D:CB:0D:07:17:9F:29:CD:D0
MD5 Fingerprint: 1D:EF:BA:28:2A:D9:80:D9:91:FC:89:E4:6C:EA:6A:8B

Certificate # 3 - Common Name: Sectigo RSA Domain Validation Secure Server CA

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name Sectigo RSA Domain Validation Secure Server CA
Subject Organization Sectigo Limited
Issuer Common Name USERTrust RSA Certification Authority
Issuer Organization The USERTRUST Network
Not Before: Nov 02, 2018 00:00:00 GMT
Not After: Dec 31, 2030 23:59:59 GMT
Signature Algorithm: sha384WithRSAEncryption
Serial Number: 7d5b5126b476ba11db74160bbc530da7
SHA1 Fingerprint: 33:E4:E8:08:07:20:4C:2B:61:82:A3:A1:4B:59:1A:CD:25:B5:F0:DB
MD5 Fingerprint: AD:AB:5C:4D:F0:31:FB:92:99:F7:1A:DA:7E:18:F6:13

Certificate # 4 - Common Name: USERTrust RSA Certification Authority

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name USERTrust RSA Certification Authority
Subject Organization The USERTRUST Network
Issuer Common Name AAA Certificate Services
Issuer Organization Comodo CA Limited
Not Before: Mar 12, 2019 00:00:00 GMT
Not After: Dec 31, 2028 23:59:59 GMT
Signature Algorithm: sha384WithRSAEncryption
Serial Number: 3972443af922b751d7d36c10dd313595
SHA1 Fingerprint: D8:9E:3B:D4:3D:5D:90:9B:47:A1:89:77:AA:9D:5C:E3:6C:EE:18:4C
MD5 Fingerprint: 28:5E:C9:09:C4:AB:0D:2D:57:F5:08:6B:22:57:99:AA

Certificate # 5 - Common Name: AAA Certificate Services

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name AAA Certificate Services
Subject Organization Comodo CA Limited
Issuer Common Name AAA Certificate Services
Issuer Organization Comodo CA Limited
Not Before: Jan 01, 2004 00:00:00 GMT
Not After: Dec 31, 2028 23:59:59 GMT
Signature Algorithm: sha1WithRSAEncryption
Serial Number: 1
SHA1 Fingerprint: D1:EB:23:A4:6D:17:D6:8F:D9:25:64:C2:F1:F1:60:17:64:D8:E3:49
MD5 Fingerprint: 49:79:04:B0:EB:87:19:AC:47:B0:BC:11:51:9B:74:D0

OpenSSL Handshake

depth=2 C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
verify return:1
depth=1 C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
verify return:1
depth=0 CN = *.academia.edu
verify return:1
CONNECTED(00000003)
OCSP response: 
======================================
OCSP Response Data:
    OCSP Response Status: successful (0x0)
    Response Type: Basic OCSP Response
    Version: 1 (0x0)
    Responder Id: 8D8C5EC454AD8AE177E99BF99B05E1B8018D61E1
    Produced At: Dec  4 12:04:33 2021 GMT
    Responses:
    Certificate ID:
      Hash Algorithm: sha1
      Issuer Name Hash: 430BD20E4F137A1A6C918F24E5DA7E324D4733C8
      Issuer Key Hash: 8D8C5EC454AD8AE177E99BF99B05E1B8018D61E1
      Serial Number: 1D5EDCB269659925F8336EE31AFCFFFF
    Cert Status: good
    This Update: Dec  4 12:04:33 2021 GMT
    Next Update: Dec 11 12:04:33 2021 GMT

    Signature Algorithm: sha256WithRSAEncryption
         2d:83:b7:2f:b8:3e:01:62:32:a5:2c:1f:5e:84:7f:ef:7a:ef:
         7b:15:e3:a4:e6:e4:75:12:50:41:71:a4:03:93:88:c7:c8:d4:
         de:00:5f:04:b2:ea:f8:03:cc:71:90:7d:90:04:80:fc:2b:f2:
         93:18:38:75:18:58:6c:d5:e2:8b:bf:24:ae:62:6a:df:a3:40:
         54:33:62:94:5e:55:57:b5:2c:61:ca:95:24:c1:03:1b:ae:02:
         f9:59:4d:d8:87:7b:e4:5c:97:21:ac:ac:c8:38:d5:74:b1:b4:
         ad:6e:bc:f0:1e:3c:e9:29:12:a3:c1:7f:01:ac:0f:59:91:e2:
         d9:bf:35:49:78:74:9f:e4:93:02:31:63:96:ba:4d:a0:6c:56:
         11:93:14:ab:8f:33:fa:ae:18:e5:e6:5c:b6:f6:57:95:3b:44:
         c9:c5:d3:9e:8d:f6:a9:2e:12:92:96:44:36:de:f3:e8:bb:3f:
         9e:e4:fb:8c:db:46:de:85:52:90:d7:d3:f6:67:2a:94:98:2d:
         96:c3:a8:4b:bd:e4:c0:49:52:f0:74:fb:3e:80:d8:1a:77:69:
         14:29:2c:df:52:4b:ab:95:0d:c6:65:5e:5a:e4:b9:07:47:64:
         85:94:2c:15:c0:a5:87:36:d0:86:ac:d6:f4:7f:66:c0:eb:7b:
         7a:49:d0:d8
======================================
---
Certificate chain
 0 s:/CN=*.academia.edu
   i:/C=GB/ST=Greater Manchester/L=Salford/O=Sectigo Limited/CN=Sectigo RSA Domain Validation Secure Server CA
-----BEGIN CERTIFICATE-----
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RPiFTQ71A1fE
-----END CERTIFICATE-----
 1 s:/CN=*.academia.edu
   i:/C=GB/ST=Greater Manchester/L=Salford/O=Sectigo Limited/CN=Sectigo RSA Domain Validation Secure Server CA
-----BEGIN CERTIFICATE-----
MIIGNTCCBR2gAwIBAgIQHV7csmllmSX4M27jGvz//zANBgkqhkiG9w0BAQsFADCB
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RPiFTQ71A1fE
-----END CERTIFICATE-----
 2 s:/C=GB/ST=Greater Manchester/L=Salford/O=Sectigo Limited/CN=Sectigo RSA Domain Validation Secure Server CA
   i:/C=US/ST=New Jersey/L=Jersey City/O=The USERTRUST Network/CN=USERTrust RSA Certification Authority
-----BEGIN CERTIFICATE-----
MIIGEzCCA/ugAwIBAgIQfVtRJrR2uhHbdBYLvFMNpzANBgkqhkiG9w0BAQwFADCB
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00u/I5sUKUErmgQfky3xxzlIPK1aEn8=
-----END CERTIFICATE-----
 3 s:/C=US/ST=New Jersey/L=Jersey City/O=The USERTRUST Network/CN=USERTrust RSA Certification Authority
   i:/C=GB/ST=Greater Manchester/L=Salford/O=Comodo CA Limited/CN=AAA Certificate Services
-----BEGIN CERTIFICATE-----
MIIFgTCCBGmgAwIBAgIQOXJEOvkit1HX02wQ3TE1lTANBgkqhkiG9w0BAQwFADB7
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-----END CERTIFICATE-----
 4 s:/C=GB/ST=Greater Manchester/L=Salford/O=Comodo CA Limited/CN=AAA Certificate Services
   i:/C=GB/ST=Greater Manchester/L=Salford/O=Comodo CA Limited/CN=AAA Certificate Services
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
---
Server certificate
subject=/CN=*.academia.edu
issuer=/C=GB/ST=Greater Manchester/L=Salford/O=Sectigo Limited/CN=Sectigo RSA Domain Validation Secure Server CA
---
No client certificate CA names sent
Peer signing digest: SHA256
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 8336 bytes and written 299 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-AES128-GCM-SHA256
    Session-ID: A78E01F84766ED3A20C6B02580ED03A39CF12C7A1C3DFEF3D9C3BE002D43A175
    Session-ID-ctx: 
    Master-Key: 112040BABBA13725A78388E1CC1763292351C531F5682A7B3A22F7D0020C247CA9069EBD844A9DA06C1D6F27E3CB7F2C
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    TLS session ticket lifetime hint: 86400 (seconds)
    TLS session ticket:
    0000 - 31 36 33 38 37 35 35 34-39 38 30 30 30 00 00 00   1638755498000...
    0010 - 25 98 38 8e e7 83 55 fc-90 6d f4 85 7b 6b f0 a2   %.8...U..m..{k..
    0020 - 3d ed 66 2e aa 00 55 b6-10 70 c8 a1 3f 54 4f 4c   =.f...U..p..?TOL
    0030 - fe 8a 50 f4 1d d5 09 91-57 85 41 72 71 7e c3 61   ..P.....W.Arq~.a
    0040 - 4f c3 ec 4a 6a ba 94 6a-c3 fe 35 7c 82 90 ae 02   O..Jj..j..5|....
    0050 - 30 57 31 5a f7 24 55 85-e8 cf 41 bc 2e 4f 0f 7e   0W1Z.$U...A..O.~
    0060 - 1c 95 0d 48 86 3e b2 8a-62                        ...H.>..b

    Start Time: 1638765486
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: no
---
DONE