collegi.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0f:91:a7:39:4a:40:a7:69:f2:1a:a5:5a:2c:a0:41:10:c1 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=collegi.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:0f:91:a7:39:4a:40:a7:69:f2:1a:a5:5a:2c:a0:41:10:c1
Serial Number (int): 266634699634039245875363063917202592829633
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 52:36:1a:7e:bb:32:86:b0:a6:65:94:47:27:02:12:d5:cf:2d:50:92
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): eb:08:84:86:79:1b:12:68:4d:84:1a:b1:00:45:46:c3:81:65:18:95
Fingerprint (sha256): 7d:8a:9b:62:b1:b8:19:ec:5e:52:fb:75:52:29:82:03:f6:1c:59:d3:a2:9b:d9:24:37:6c:01:6c:23:dc:b6:de

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 collegi.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for collegi.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

collegi.com

Other certificates including the domain name collegi.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for collegi.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 266634699634039245875363063917202592829633
 . . . . . . . . [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 2020-01-29 02:31:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-28 02:31:22 +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 'collegi.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 802251366012432548185831991502901406036275949187823923891801697907356868790827279330243159432026751871721807613054749016035474585597690556988011181827412444304002746463287795954558371864030584009401069106878990885222850620356603467782867302102976766702372329529866449288165667723547147794669775999645914698369811856717420115634300039830967596485052382662182033433330792087164804259284134091736392999484705656388741686953657735337272609867583794493721530375885318190189184034934506568476398411137617585148709039960345472250488129440176307658827155998318040421313261829794659414607454471707788855959792611959976253749241968895253095412299110001935397333128711837291645212762820318965655945544526177064385881152968907576201019143941496960126204492143152132132168215101735538754067299037519163100135422380739720665846630926281814657230873480831401177688129620479900233588369107356287742518169981240930840385876681808870851645345906037538022519956686741485965155604767868928316814185106030377720847947356430231242633829077826696606905853610680356859285513165321685126446574796388679033352801844910301974354154167372229034685264580922625255535248385330002917560857196374501141285934511997796324093802778090077101483112263915051796268724579
 . . . . . . . . . . . . . . . . . . . . [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)
							52361a7ebb3286b0a6659447270212d5cf2d5092
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'collegi.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fef5a7e3d00000403004730450221009349002d18987c477b1181dc61fb43f3621adddbb218327c0863cb595b3e714102200810257805cc9ade0e34e90939a0e0be11858b6f7b9760b36138e6920218eb930076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016fef5a7ff20000040300473045022100f066ced20c2a4f082e7af856cf10c27cba972b6978052b2868ec2a40ca0de0820220502c29d229f593f28ea9f9804e2e7f1afeced2bbec65e55a56b73db340ae80bf
 . . . . [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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