comunicarte.polygoneducation.com

Issued by R3

About this certificate

This digital certificate with serial number 04:13:89:2d:2b:cc:bb:25:e2:e2:bf:02:1b:f9:9f:0c:74:df 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=comunicarte.polygoneducation.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:13:89:2d:2b:cc:bb:25:e2:e2:bf:02:1b:f9:9f:0c:74:df
Serial Number (int): 355096847475684062542592044242241539831007
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d4:f7:05:6a:59:a8:0e:32:bb:db:c8:38:9f:dc:56:17:77:13:5e:23
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0b:53:f1:0a:2e:9b:36:ca:af:26:01:15:95:16:e3:25:ee:aa:46:bc
Fingerprint (sha256): ff:1a:c5:f9:fd:be:c5:6a:d9:40:98:a1:76:ef:5d:2b:a0:37:b6:7f:91:29:2f:77:41:f3:d1:04:9a:a4:71:bf

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate comunicarte.polygoneducation.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for comunicarte.polygoneducation.com

Public Key Algorithm

RSA

Key Size

2048

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

comunicarte.polygoneducation.com

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comunicarte.polygoneducation.com

Certificate

The complete raw certificate details for comunicarte.polygoneducation.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzUiGv2nzgqYMlUbNCJTs
NYdq4PUi7PuAtsOIZzL9AzBitzjbfvIhU6cDSjcO1k/su3U7PgeymOexShuHUnrJ
Y2bAGMn2JXJDgzrJbggSZrwZqIcPPw/snaFBujEN4mswxqC/rKuwGVuA4J/NI64Y
8G6A+0fiC7lP0kW7GxoUlDZcaG+OpPhZPYfJNrcec2v5f0b15+QhrScYwkJER9Gj
zUbCGIQ3vRQ7NphCBiZ1eaBGS8b10jP+UNVu+j4aCD/BqtmAUBaVJldup1yDbbaN
DyIWCYKTnh0vPgI4iQNzORWdtEaLYIIc82vuBv7WmvAEXroRWuPRW0zttzjrtdLz
BwIDAQAB
-----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 355096847475684062542592044242241539831007
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-04 01:03:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-02 01:03:22 +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 'comunicarte.polygoneducation.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25914616598237605361727467533695311117084004610764694048169253699866131763926009396546542170908943273270201635205959511094938381646951278007014843237733266121066483380142329460948182386275282860982124275615479592056670730715115760055519398639537611842172460260941262886274167353852398918344463346477299034188979042459252460339504306510092794664648114002960914865444019653535196410175065856693829968784497154958784234277554288405866460245481526362069151417505931637186823808110635486192275608923953409411732417372849795950582782687550148035649622550926871212636068347405769318998275986700220268446084520917719873417991
 . . . . . . . . . . . . . . . . . . . . [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)
							d4f7056a59a80e32bbdbc8389fdc561777135e23
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'comunicarte.polygoneducation.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189be4904d70000040300473045022100b0a4c31a20a7b16470a5e4f53b6e1ebd5f3eed1731954eae3c0ddc5efd13be2c0220647f4ea8ca1ed81b9fcb567fa14c877007eb5982d48fdce22c88ddea267d3fab0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189be4904d6000004030047304502203a764f890a2229a63628127e1c09d63fd7def32eb7faf1763d0a9b87366de9ff022100cbf4d14592a9382262ff60c567f037c8bbe700e0e2071e86816e598b334390fc
 . . . . [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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