www.collegi.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:df:d4:63:1a:70:3d:55:fd:f8:4c:1c:3a:82:c7:aa:75:b7 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.collegi.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:df:d4:63:1a:70:3d:55:fd:f8:4c:1c:3a:82:c7:aa:75:b7
Serial Number (int): 337502136527380600845368870725655649220023
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 88:e1:bd:8b:ae:07:51:3d:92:de:73:5b:75:e5:33:bf:02:9d:d1:fa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 78:1e:7d:c6:4d:83:b2:e7:71:1b:47:06:f0:b7:a7:74:51:e4:9f:d4
Fingerprint (sha256): 50:7d:63:6f:10:ac:f3:da:f9:5b:29:d1:af:f9:4d:c7:45:63:11:64:7c:00:bb:2a:a1:20:63:ac:50:7e:66:a6

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 www.collegi.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.collegi.com

Other certificates including the domain name collegi.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 337502136527380600845368870725655649220023
 . . . . . . . . [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 2019-07-26 15:16:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-24 15:16:33 +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.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 645316259018742077248802108810740074853909014966929006782999725356549868363210896970323569046658472387662461940266161968054158786362019256947552542704971022565567005742717131480241083908785176949888223882548997577001074643905580548577985645167654313088295037196709676350819163552726812810153512059478746041486641016294993410057929084078274986562213092743910513916828195938496326998703651193406337452807975764255205291800197385304669234624019283307050077628148676592513052360125546441383139305157947534735252217995079880476683166923279632306531977700075234408454767780682233800683177378476815171365335951142317174530169963213225630442759884294041619285023725360102724469994346638932689095247685289052355174084528305829448730153973877054018617961081354312089138079188412804126030852653343904793671412554656178565301913418996403404145310977537728831429134629116158020969253153308965429838565184248451449262242496574579323647848897389154845086297127347356860693705371877318872568143917229216437220562338621107557610734437657879574762450069461000281062910054709301854417189388016301575811672780380298686669525137593966256159607988809697018785754053617218674339975971304211389593073745633028149513807286815692592472331037068085591381635707
 . . . . . . . . . . . . . . . . . . . . [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)
							88e1bd8bae07513d92de735b75e533bf029dd1fa
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c2f11d3b300000403004730450221009d533527224d5d7bbe9fd08311e0830677d6ce9dea9133062eb6942048b9e4ae02203ca7ab53f0a3ade62309be27e61372a0a3fc4f5bfd395125452b24d972a91f5800750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c2f11d3d40000040300463044022048490d0f14f824e70b8f440d23d2e107f55f64883fa5e4d945fd512256ae14e60220739092b6871517a5c1b5d93978fe8743dca91c986840f3da63c2b1f5fa373390
 . . . . [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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