universitytrader.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:16:de:d8:ca:db:86:07:ac:1c:0c:95:bb:d6:0d:1e:2b:98 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): 04:16:de:d8:ca:db:86:07:ac:1c:0c:95:bb:d6:0d:1e:2b:98
Serial Number (int): 356231570064926515424064810965233972423576
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 57:c1:cc:5d:d6:fc:14:bc:9e:80:1d:21:ba:8f:a2:63:f6:6d:48:45
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 28:80:6e:83:90:90:7f:5b:39:16:f1:53:4b:01:97:01:3c:21:29:c5
Fingerprint (sha256): 72:08:66:88:ff:a5:0d:55:4d:66:67:7e:6e:4d:3d:13:82:dc:82:79:30:4b:72:cc:d3:7a:a2:e1:5e:1b:70:8b

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 356231570064926515424064810965233972423576
 . . . . . . . . [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 2019-03-13 20:23:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-11 20:23:15 +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 763427592544190503878251726252283063877441676589503203991037527872113004380104936780205757802094754801078492282593990608194100303705460274985896529939368044129727449536764246585560389402860032363723472304256057545017923880691326162296646695817529919004526316303829900264597723138373980843906911198786449859637958163916411479281992720630270577175560478418130185763073741989760657937997532948063619844907805219811407786908005153431813289178040571531792918639251257203463693520732595277134115191933965526894354775576653794208692987974241214101521988335116294574202092846099124710276705505307826935928098461825420934749146697604970914058740546364264030802590043357992307674412661384175869621493808517286369998611680566262014807183350490078404244240700068946243496681975253041238950472966259846071946121939048953248647605029451042436491488496110008535224754972534501981645014347139613536101162861771115985218946299237872106678220742154649057331734675561607790917228192062717412554857216959551207660200317136302402196614825348422087609803059897139173110823485801769485779411331056896259063536027034359164178133118006444793512085441483385251738495982666612351882831874556162356708695546276584825692483954078844532896542702963903409330824479
 . . . . . . . . . . . . . . . . . . . . [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)
							57c1cc5dd6fc14bc9e801d21ba8fa263f66d4845
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016978f01c810000040300463044022078ffaa71f49f3d7d234943e7924b73a64b57e2c8a544c87dbab2cb86aded4bf002202a8ae0bb4ce68369ee87f8619fba671cf6fdace9406c4403d89c5c1eb5b918c5007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016978f01ca0000004030047304502202e850ee99b91563ba7122b2655d9850383906ca4e261dc3bf84e50d0c18764f4022100cb4e6438b7698e133f552798d99ceeb9af8128dda564c47ce846347894b14191
 . . . . [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)
		007d179f9a532a65d90ac80ea7c895e3fc11f78fc705025214e2449a6fd735335c6d326cb5733a08f1124b69cb899a1201f4d9ccc9ee78fc8fb9ab7170351c7c77fd5a9984de6cb0f4b90b5968b793d0dcbd557c18d120d0de6feedca9e5ec963283ea56c0805dc4383c8d3f53a5d3290b5af597b99ca4d88a0e2cb55c25fd7bfce809e4381047999f7256afe67d7dc36a80f6588470fea730f8b9330f028bfef095f760d1d046bc1a929cdeca83b0dd4d5de3977d422be124b9dd36f565dd4290d05b2b2ebf92925068eb5dd2d4efe0bb342395bd00d72a2ef2ec68e8afcc9bd9ab314a6837f0a24e68fb43e1584647f8566ce5f7ca18fd78626cdd3fa1730e51