www.polygoneducation.com

Issued by R3

About this certificate

This digital certificate with serial number 03:13:51:6f:4c:78:cf:ff:7c:53:29:66:2c:27:6b:86:d2:7f was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. 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.polygoneducation.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:13:51:6f:4c:78:cf:ff:7c:53:29:66:2c:27:6b:86:d2:7f
Serial Number (int): 267910468130423327936710990950963683447423
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b0:4e:56:95:73:70:ff:38:26:37:88:18:ec:33:d4:a0:67:6f:f9:e0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 46:5b:d5:5d:f6:61:b5:21:5c:6c:a7:43:45:8e:ef:18:b6:6a:01:fc
Fingerprint (sha256): df:ab:21:81:07:d0:ae:70:3f:7d:e5:9c:e3:81:1a:90:c3:be:44:51:be:90:22:3a:72:7d:79:3f:3c:4b:a1:57

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

Revocation information

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

Check the revocation status for certificate www.polygoneducation.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

formularios.polygoneducation.com
polygoneducation.com
www.polygoneducation.com
zonaprivada.polygoneducation.com

Other certificates including the domain name polygoneducation.com

(limited to 100 certificates)
plataforma.polygoneducation.com
plataforma.polygoneducation.com
media.polygoneducation.com
tienda.polygoneducation.com
tienda.polygoneducation.com
tienda.polygoneducation.com
www.polygoneducation.com
tienda.polygoneducation.com
tienda.polygoneducation.com
tienda.polygoneducation.com
www.polygoneducation.com
tienda.polygoneducation.com
plataforma.polygoneducation.com
tienda.polygoneducation.com
reuniao.lugaresurbanos.com
plataforma.polygoneducation.com
plataforma.polygoneducation.com
www.polygoneducation.com
tienda.polygoneducation.com
media.polygoneducation.com
tienda.polygoneducation.com
www.polygoneducation.com
media.polygoneducation.com
tienda.polygoneducation.com
tienda.polygoneducation.com
dev.polygoneducation.com
www.polygoneducation.com
plataforma.polygoneducation.com
plataforma.polygoneducation.com
tienda.polygoneducation.com
plataforma.polygoneducation.com
media.polygoneducation.com
www.polygoneducation.com
media.polygoneducation.com
tienda.polygoneducation.com
tienda.polygoneducation.com
tienda.polygoneducation.com
www.polygoneducation.com
media.polygoneducation.com
plataforma.polygoneducation.com
media.polygoneducation.com
media.polygoneducation.com
www.polygoneducation.com
www.polygoneducation.com
plataforma.polygoneducation.com
www.polygoneducation.com
media.polygoneducation.com
meet.polygoneducation.com
tienda.polygoneducation.com
media.polygoneducation.com
www.polygoneducation.com
media.polygoneducation.com
comunicarte.polygoneducation.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA922OOZ/ckcpJt4AxK8N7
qhp5Ah26y0BSNe/vpMz2+zqjRX137IreYsmyvWyNtPfWwh5lKBR96ORJ2hp/VWKE
BClUaWx6yij4dy1wKIZH2V294iYOlt0Ii8XfnE8kxIvhwKUjHXfcDjYS3JRgbg3y
Dbdz1lkQxZp3BW7bazvKUkkXMbT82KZmkCnSPS9cReYZmQWCA3uosnPe7Eq3qDBK
F6yHu3ZXXMOArYC6p+DK84CZ3aKaqrqTnjFZTgu/ju4Abx35B4Q2JVNUBly9gOV3
Oc4vuylBBNA5QciUGmB/7QiFa+rC85e+M0EBu9MSxXmB41bux5Pe2Lx+nvvh8bYZ
xwIDAQAB
-----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 267910468130423327936710990950963683447423
 . . . . . . . . [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 2023-06-29 16:36:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-27 16:36:49 +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.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 31234885190092402308078507370339877418353829511516532991795564571859768879156623888516202006979485876396571918058363527639095936761702337803582492701043529765154395202192406285940157730220402184268114531863082090557246796038656373895116551805112919575103068535715543056593782973684112407720856258416229604979103450136717487528717993315934729890104947889453783988233153426840765113925009841811470788135758698822592609210596434413352476419413649961566945754025159674370055467534217502175804932506355270048427048295574926689416754065742846300771989987168881495454398856488516575293292118433636752030831978848584321079751
 . . . . . . . . . . . . . . . . . . . . [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)
							b04e56957370ff3826378818ec33d4a0676ff9e0
 . . . . . . . . . . . . . . . . [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 (118 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'formularios.polygoneducation.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'polygoneducation.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.polygoneducation.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zonaprivada.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189083aad8f0000040300483046022100a260121a6ca2b89e95a53ca8494d26ef66582c4ee6756dbb371f5fbb8078d296022100ee0a6952028860dd00477a973bc0c06bb49c7226cedc18d7b6f813b4ad7d035a007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000189083aad8f00000403004730450220734272b9bdbbdaecde135207cd452592d1c29041550e2ff0c0ee1fc8d96f4a83022100847a812a305b419930503921c71209f281ca0f365535e4a1e0a8558d90949e69
 . . . . [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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