collegi.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:16:66:9e:1f:5d:4c:23:fe:6c:1a:ed:ab:ec:44:c4:87:43 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): 03:16:66:9e:1f:5d:4c:23:fe:6c:1a:ed:ab:ec:44:c4:87:43
Serial Number (int): 268959472142161577259521186690370311063363
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fd:12:66:2e:84:93:85:23:a0:46:7a:db:49:d7:9c:6e:ea:da:5b:2c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e1:78:2d:43:18:52:d5:a5:bd:e4:a7:00:ca:92:ff:18:79:6e:b8:04
Fingerprint (sha256): f1:c7:a7:71:3b:34:8a:65:56:49:4f:fb:94:80:8f:56:d1:6a:b8:5b:eb:13:4d:b2:d7:0c:0b:7f:67:b5:92:2d

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 268959472142161577259521186690370311063363
 . . . . . . . . [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 2019-09-28 02:14:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-27 02:14:57 +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 968214844129765047475766010585210941203234082011163856885289562523566766873139436305105775043009189043484212786277033712513610029523743780279136228437986837041936660795521777473714542235385590225923150904676588605370241735766992617438150375608831606247838598317066163339769315477188831590048999810312263493303686355246992237512251872023035447698342292353730253909668454256251163170374388766649680122127662517710573955719856992209328269617734136595971207694234168802117768112459629315679015515922602323869192310231218855412407278562454387678030293561994963352959075205714159765337355811276514122491162972252071087975307617677221283437414285200931166135830837086085247591324993188031482646743771505536483108733940066804727887514030010546270890612557799354111598669989820129607374698472774900074323229572972754740971162773429237121526431072750328124031560071406473071716396681882487361131652784155188951372025562874600388319095701446519411590180505350009811644492570820695154181534943585585985347706810128248838335828469655588234001080931577616740142063219994234868132435816244206644262254611317991644855313243101830739501223623035739597523137856934569960644068302247178234214411999376841752085222861215260672050961369106170593573368353
 . . . . . . . . . . . . . . . . . . . . [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)
							fd12662e84938523a0467adb49d79c6eeada5b2c
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d75dd41180000040300463044022015785400bf4e8879f3bf1b141550f6744de49f77b8bf7e375af3117b60c29696022046e5cd16090c0dde7ce9a889cd77445f4b828c4903344ef840e4df4a30d82305007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d75dd42d50000040300473045022100d8ec6f0d2b5a6879066b212af8103e18e181ae74ccab3e14f556d287cde941850220220836c4a1cf96a3f311c54cce5f91e4cf6405c188306b11424263ef727bde50
 . . . . [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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