www.collegi.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c7:96:e1:e5:eb:39:a9:7c:85:98:04:45:bf:cc:77:6a:ec 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:c7:96:e1:e5:eb:39:a9:7c:85:98:04:45:bf:cc:77:6a:ec
Serial Number (int): 329253605942016664855381028561410317576940
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: df:4a:f9:d9:3c:eb:8c:4d:18:58:ff:13:be:f6:db:82:0a:d9:33:ed
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fc:f8:61:18:02:ca:bd:9a:eb:47:aa:80:d3:76:0c:85:fe:12:4b:4a
Fingerprint (sha256): bf:3a:05:00:0b:c8:74:20:c8:3a:4c:e1:bb:f0:9a:0d:21:c7:d3:ba:4a:95:f2:8a:73:c7:b9:c6:b3:09:7e:52

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 329253605942016664855381028561410317576940
 . . . . . . . . [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 03:55:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-27 03:55:39 +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 782635125995751331022382197571974420034849091428340755488684113375914576999442962120475051242833672040788548523353796246778748308850880988150607215575403408459350451345280665327535589805547117028662501675430669572688791671018457734104545416606042544698022410526754917901882851705999417905645068452206144364071507952642560205447349340841107927684164449811119579358149214102330279411680113957947041383991161648946860018445908882987328896310413441421529161168629452477654986884095949044496400300389235377248683346426662063904546682514643442042406725619836748147123931228521608639278898643491125799519878348988661023822074512681793845296751296435515742485371100714949462397832718482449139153118659198932575103515477862393617620643638363919664902262624513891943859369701464696244587666721925848870973100971992410028265547789140275331565631639859211646526837764336339622180592800439528933872262717139868520706792808066973779854160835900457161016988367640807664664502613593284995352027422542817340739903874693346303381457227988486312651687310157014059248408039461291509352598815812186327438654936626065601261955225386951814277775681491940527560818374984968587864725145365635005745474558905098792360243122262647164798832395531449257398019371
 . . . . . . . . . . . . . . . . . . . . [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)
							df4af9d93ceb8c4d1858ff13bef6db820ad933ed
 . . . . . . . . . . . . . . . . [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)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d763973b200000403004630440220279793d4fccda5421190e0c5a670ee07962a9098c1aa3740b9bd2376ae5299f202207b1f3f13e8aecff0e7abbdfc6d3c8dd0201ef98933a4108433603c0d09a6784e00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d763973da000004030047304502205ec10ddbd021dfdcad48fa7124ef674b54398e2d66c813795a65a252eb8799bf022100c84b08fa22691c4358317faf6bd9a2f805a6d0eeb3ad00400a444f8759032041
 . . . . [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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