www.studente.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cb:7a:bd:ea:30:45:a8:03:9e:dd:84:63:6e:02:3a:b3:91 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.studente.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cb:7a:bd:ea:30:45:a8:03:9e:dd:84:63:6e:02:3a:b3:91
Serial Number (int): 330577330189731627479341383021556116665233
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 27:91:81:49:97:7b:ef:82:29:c5:40:bb:b7:4c:63:0a:18:36:4b:48
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f5:b3:ea:3d:56:f8:8f:ae:3a:a0:3f:e2:ee:3e:f0:9d:2c:10:a4:80
Fingerprint (sha256): 2c:91:ce:1f:57:b6:c8:e9:33:0f:b5:0e:dd:14:f5:99:76:d9:75:7a:98:ad:4b:07:b9:84:ae:dd:bc:ce:a2: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 www.studente.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.studente.co

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.studente.co

Other certificates including the domain name studente.co

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.studente.co 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 330577330189731627479341383021556116665233
 . . . . . . . . [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 2019-05-28 18:12:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 18:12:06 +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.studente.co'
 . . . . . . . . [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 737642816187489319215496739702820555627982163088404383872494127186879968740891491707519231503915436417709897304795516340997940354798293158353051230669837239352970380263541828008961430744907874562977959459648201493102861085563873998207713496345966075577684419876292922403817141420068723132466320590312900912756178771946377736626396007985997673460530518592773131414720009969550137507632429039434354919392025155482172383258116386128835425539467029283429576535388520493845025010396570643804238077642192985222194531199109427892960923447662670074601489743772562485883669209257576663273930411699666623068467708165946644702229621627493661704940235094105876116667756054165267673601602878483379402295043170594003256162675296678758462848047656335384476484141700827285221585209883857664335457265902685847593881746905621054555120430671103218924255762409067331463270265065445353789735862526452251099459753099860918642747855050548411819201236734864123512822199045701247201837993692389945380162250279593760302832550243163707298809004559366037246762000997443717559211927827590713686851964051081940814217698573220300696701449189963581639074133118762928336668404772281687133111139767531953128939739101704538435302163064616893196519535302831769056275509
 . . . . . . . . . . . . . . . . . . . . [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)
							27918149977bef8229c540bbb74c630a18364b48
 . . . . . . . . . . . . . . . . [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.studente.co'
 . . . . . . . . . . . . . . . . [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)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016affdb5bc70000040300473045022100f1cc6d21e04fbc40cbd5ee772b3cdedf35618ac0ba654f7f1ea2246a212040ff02204bd6964e6a7c9510e6fe3910b7abbec4cd43908f2f75d44d164b61917fcbfe6000750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016affdb59dc000004030046304402206efa22cd2ea5db568eb5ddb53728970eae04221ca631cbbcda8d46bf556b487302202f6e73e122e0c521ba660981fdc77f12e9e9e9503a31f7bf3b443bc70af323e3
 . . . . [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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