www.masstrans.agh.edu.pl
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:08:ef:f3:80:20:21:10:9b:0d:17:ed:53:1d:82:72:60:5a was issued on by Let's Encrypt.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.masstrans.agh.edu.pl
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:08:ef:f3:80:20:21:10:9b:0d:17:ed:53:1d:82:72:60:5aSerial Number (int): 264378066548471430052532266098015211774042
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 78:b1:3c:1b:2d:d4:c9:55:6a:ef:6a:35:a3:80:c7:16:a6:fb:97:0a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ec:53:55:1c:d3:ca:69:60:85:c7:97:8d:7a:75:76:85:c0:4d:a9:d8
Fingerprint (sha256): 01:77:98:72:8e:80:5e:98:7c:83:e1:d5:ec:c9:e3:e4:ba:92:16:db:d6:43:9b:68:50:da:af:cb:df:bb:13:b2
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.masstrans.agh.edu.pl
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.masstrans.agh.edu.pl
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
www.masstrans.agh.edu.pl
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Certificate
The complete raw certificate details for www.masstrans.agh.edu.pl in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFZjCCBE6gAwIBAgISAwjv84AgIRCbDRftUx2CcmBaMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMzAyMjU3MzRaFw0y MDA0MjkyMjU3MzRaMCMxITAfBgNVBAMTGHd3dy5tYXNzdHJhbnMuYWdoLmVkdS5w bDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKjIQipFNQ/k499EPW12 6dlX7nqqn+OrnNBDebpxBTj/LqXZJ1nV+oo8lLNx+vfRakWLIkBQLrDVgPDb6A6D rRhamw1kMbB+kMXbvTF3u9zCPLJALV/gjNaPE7aZXtJt10mClslMCPG9hGj754wf OSyfQnKuTQsUaoexZ/IkO00BqDf8uP4e+eiV3A8pTyKqPIKQNZIlgVpjsdIVh805 sSowWm9iWMK27G0WAZCfWHqC6tlcc5OX5J8mcbh/QxvXNA6WTwNHyMQpTSuWbTml TpJXsRdDo8z0osD8b1kRPStbzYzwfD9FwUOzPP8BTtSH1GoXuQrm2Z7kNOF+wON0 NiMCAwEAAaOCAmswggJnMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUeLE8Gy3UyVVq 72o1o4DHFqb7lwowHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzAjBgNVHREEHDAaghh3d3cubWFzc3RyYW5zLmFnaC5lZHUu cGwwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggECBgorBgEEAdZ5AgQC BIHzBIHwAO4AdQDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW/4 43i9AAAEAwBGMEQCICHDriYUymw+E71+dLMUZLkz1TZr9/XaBAuQtDLwr6RJAiBe VAwshBhvpzczZaPxzOn/x4mrl/Hqk9jSkaCTVGZ0zwB1AAe3XBvlfWj/8bDGHSMV x7rmV3xXlLdq7rxhOhpp06IcAAABb/jjePcAAAQDAEYwRAIgd2BWdoLRuYg9NxT4 qpUwXEI19MKJyVFuXl8o/0tCIzACIEcffVSeHdMiSMEmjqzEWNwsAr7u3Q9+n35i aWut4uhtMA0GCSqGSIb3DQEBCwUAA4IBAQA13dRyRpTRW5xljVUBytxlMnULpsUo zrO+/JOramPKEFpmV4CclnFSzKJg373tVtCAVxSCUO1oeymMftt+yn5ui1Zc2E0h /0rWNfgCM/boboR8+s41y52woE+vI4Maar2yfNq256Uta307iqCUfq3OGAY6RfX8 4UC5sYdLDGuDUFFtGh1rTd5JMhlRUdgfMKqONH6OKNSnAR/hv/Vfoxrgnn2DteD+ 3bOD4mlmdUwnnVKotr9CVwIzb2SPW0iBMI4fq9tUna+Cwz51OlLq3H7MjenCVmdu mSgfoXBgtqeF9CqxnTBf6QNg/gwSQX4b7QOfP7rhglWfVWQ+WZrIvVdp -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqMhCKkU1D+Tj30Q9bXbp 2Vfueqqf46uc0EN5unEFOP8updknWdX6ijyUs3H699FqRYsiQFAusNWA8NvoDoOt GFqbDWQxsH6Qxdu9MXe73MI8skAtX+CM1o8Ttple0m3XSYKWyUwI8b2EaPvnjB85 LJ9Ccq5NCxRqh7Fn8iQ7TQGoN/y4/h756JXcDylPIqo8gpA1kiWBWmOx0hWHzTmx KjBab2JYwrbsbRYBkJ9YeoLq2Vxzk5fknyZxuH9DG9c0DpZPA0fIxClNK5ZtOaVO klexF0OjzPSiwPxvWRE9K1vNjPB8P0XBQ7M8/wFO1IfUahe5CubZnuQ04X7A43Q2 IwIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 264378066548471430052532266098015211774042 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-30 22:57:34 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-29 22:57:34 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.masstrans.agh.edu.pl' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 21306786360193111337847238431566654179286812376950201158376550241582686115952794818469332532260514412707825084053964219860256918213401103975216334290117688179439062450447736099346489534709189803327593424365639684947799228514217907590083461744993133265844430824605476099593998914082177049187742275076827784822518195427931859263716516095402792948092281649850355544983928911470485739658521150112080943415701367715820174685231508103699118523360222702662233497984558310263534169799980529536520241095274981614985375362245752261315459397317572034065354941614365226066604553230491019217933745365180125260309301535771448325667 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 78b13c1b2dd4c9556aef6a35a380c716a6fb970a . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (28 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.masstrans.agh.edu.pl' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ff8e378bd0000040300463044022021c3ae2614ca6c3e13bd7e74b31464b933d5366bf7f5da040b90b432f0afa44902205e540c2c84186fa7373365a3f1cce9ffc789ab97f1ea93d8d291a093546674cf00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ff8e378f7000004030046304402207760567682d1b9883d3714f8aa95305c4235f4c289c9516e5e5f28ff4b4223300220471f7d549e1dd32248c1268eacc458dc2c02beeedd0f7e9f7e62696bade2e86d . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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