universitytrader.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:69:70:21:95:bc:98:f6:81:bd:8e:9e:e9:2f:13:fa:4b:49 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=universitytrader.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:69:70:21:95:bc:98:f6:81:bd:8e:9e:e9:2f:13:fa:4b:49Serial Number (int): 297215554240324786057310046297917211953993
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 28:fe:07:bc:f8:a4:4d:4c:94:6b:00:52:05:3a:cd:20:8c:54:c7:aa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 86:c3:6b:cd:04:47:a8:52:9a:a4:ca:a7:c3:b3:4a:75:61:7e:fe:4b
Fingerprint (sha256): 97:43:a5:79:f5:f0:f2:ed:b7:f4:a4:de:a1:d6:ca:cc:24:13:0e:d2:e4:2b:72:32:17:be:2e:c3:02:37:e8:1b
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate universitytrader.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for universitytrader.com
Public Key Algorithm
RSA
Key Size
4096
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
universitytrader.com
Other certificates including the domain name universitytrader.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for universitytrader.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGYjCCBUqgAwIBAgISA2lwIZW8mPaBvY6e6S8T+ktJMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMzAxNzE1NDNaFw0y MDAxMjgxNzE1NDNaMB8xHTAbBgNVBAMTFHVuaXZlcnNpdHl0cmFkZXIuY29tMIIC IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAz2yU0CxJZ+r/D9BT7XzgQEJA zWzH7B/EFZ9pFvu3qp6aOPBRKUOEmk2eCUhs2AfTf5hLVvj+5fVrzmftXstsIdgS ZahN/g/AWSoT5N20RXUtD14H3IPrRBCGfsoQoFuMRK25JuTmmRVUGyowqXO0dmJ4 JBI4tQUQqgXdy3R4exD1hmLxBcL6HLRjViSzMcgeqn+j0RYHlSnb3dsn9eMSSwX/ SyoHP7yDGTlL+r8++RJg+0hykAF826oQVmCyI6jcqAxv0tYLlBPnaEglMNQJDJiG 5JcbacxAN4th9pGhA7E2VnbjgG8P67ysh1DPUHNfUYjasNB/KkX+85X6fiC74hbs EdX8xZi4dwAFjmm57W5YVtGkktLfynvWAHgez7L6BCqbTxMub3tsjaYnHIgrfpBR Bj2Wjnm/DiQyS3wbJVDKnoqGRhz0RLkXy4JbpmDHUAGr9mMNYPy2Yc3tP9D5u20N tcTmqExYX66k6zkn3mYyMR0duPRyrmRoscXjLmEbQUwMD0WZG5skkXuP+4gLI9Cu ucxqkUUgDC7VELypTsdRT2PJ9OifwBWm+LQ5QcKRuTBIIxaADiKrKGjrQxH50aPc rfwcwCz4IGcLt+XlzfibDTA1V6r6oSsOuspo9JfSiEe7NxUl/5d7/etPUW+Q+2+u 0sPm9WO81iTW03qFId0CAwEAAaOCAmswggJnMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUKP4HvPikTUyUawBSBTrNIIxUx6owHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3 pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2Nz cC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2Vy dC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAfBgNVHREEGDAWghR1bml2ZXJzaXR5 dHJhZGVyLmNvbTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQYGCisG AQQB1nkCBAIEgfcEgfQA8gB3APCVpFnyANGCQBAtL5OIjq1L/h1H45nh0DSmsKiq jrJzAAABbh3hbt4AAAQDAEgwRgIhAPx9tKQ8TKIR+iwyyCdSbJ2cC8PB0TG1KHZF iK9ybXhsAiEA/bQaHzgbyvVkcbxa6y3QmXt1AVAQbotB0leJtMWpIyQAdwAHt1wb 5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAW4d4W8KAAAEAwBIMEYCIQCx DfofGdy6e8zTojQDrCOB6PWrjlTwJlMMmAygH41ybAIhAPLQrscHKVfvDHzD6x0u JaAmrXdTYt2faO4klkizxnihMA0GCSqGSIb3DQEBCwUAA4IBAQBzXZEczl5GPLWg LUeU0atdNCuRhzeNGOJMpssiVEWo5YjdB6Z071CobVbfRsJLiw+KiCJ4nOSUlCR+ qkbWy24qWFdYFlBo138R183mcqz0v0eHXCoolYb5x9YjN4C/rSv2qIGjRMtjGt/A qOj2PZo4G0uEUMKSIIegGsAFzDHoFXsiLiVyWSEA2gY9rKcSigRhXwavv/FTqOUs fhiUjUuQrbHF7GQE6jDwIlU/D3fl+eQN5mXl3k2lA9rVjSbvTmBSeWdAel48Ravr SkeGuFfZgjclxj4VhkeRVQoKYdY8GOFSegfnTXD6a+RcCKiCRDwlyrebRjNaGTq5 H91cshI+ -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAz2yU0CxJZ+r/D9BT7Xzg QEJAzWzH7B/EFZ9pFvu3qp6aOPBRKUOEmk2eCUhs2AfTf5hLVvj+5fVrzmftXsts IdgSZahN/g/AWSoT5N20RXUtD14H3IPrRBCGfsoQoFuMRK25JuTmmRVUGyowqXO0 dmJ4JBI4tQUQqgXdy3R4exD1hmLxBcL6HLRjViSzMcgeqn+j0RYHlSnb3dsn9eMS SwX/SyoHP7yDGTlL+r8++RJg+0hykAF826oQVmCyI6jcqAxv0tYLlBPnaEglMNQJ DJiG5JcbacxAN4th9pGhA7E2VnbjgG8P67ysh1DPUHNfUYjasNB/KkX+85X6fiC7 4hbsEdX8xZi4dwAFjmm57W5YVtGkktLfynvWAHgez7L6BCqbTxMub3tsjaYnHIgr fpBRBj2Wjnm/DiQyS3wbJVDKnoqGRhz0RLkXy4JbpmDHUAGr9mMNYPy2Yc3tP9D5 u20NtcTmqExYX66k6zkn3mYyMR0duPRyrmRoscXjLmEbQUwMD0WZG5skkXuP+4gL I9CuucxqkUUgDC7VELypTsdRT2PJ9OifwBWm+LQ5QcKRuTBIIxaADiKrKGjrQxH5 0aPcrfwcwCz4IGcLt+XlzfibDTA1V6r6oSsOuspo9JfSiEe7NxUl/5d7/etPUW+Q +2+u0sPm9WO81iTW03qFId0CAwEAAQ== -----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 297215554240324786057310046297917211953993 . . . . . . . . [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 2019-10-30 17:15:43 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-28 17:15:43 +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 'universitytrader.com' . . . . . . . . [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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 846216685605287765530581644416374208263039016852292540741194426885495500528935219408795769102910762083946882905746734950861591663964188924963615560750153717898874178503565651290716084667383744792840073926855482448748980704372036833934158230879144363682646675236457603596302912338382487143965596504342318713943262537537119870046585181723680739340827729679217072092108464105568746001393218306288774799904851537476108602809324999228132531365373638531506217579648651490005561220357024619894554021409886769689952114193227710855904745340744178934277716905161525208837457607181648333985263319113656261335572661523244602389442750046809698709681599440735608446925335342708806063484902327472709754349272242654501679869724941380491518149866639853347606554833288277957544533086147177853101533232004565165486674481606366768388825878407347609672684537695155319260268832873083056310013824156006173188314375539561862993040431797248286549241759786688315930583825428220225408148484522745758289391174384908260971410261294533284239339850192354839615634469638741270268253285315423026424313486887610547974386450481729592418539184158853714787323391051520422948636446696021702973019409230632918960478750837553858929006964353241403549439670103353297929052637 . . . . . . . . . . . . . . . . . . . . [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) 28fe07bcf8a44d4c946b0052053acd208c54c7aa . . . . . . . . . . . . . . . . [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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'universitytrader.com' . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e1de16ede0000040300483046022100fc7db4a43c4ca211fa2c32c827526c9d9c0bc3c1d131b528764588af726d786c022100fdb41a1f381bcaf56471bc5aeb2dd0997b750150106e8b41d25789b4c5a9232400770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e1de16f0a0000040300483046022100b10dfa1f19dcba7bccd3a23403ac2381e8f5ab8e54f026530c980ca01f8d726c022100f2d0aec7072957ef0c7cc3eb1d2e25a026ad775362dd9f68ee249648b3c678a1 . . . . [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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