www.polygoneducation.com

Issued by R3

About this certificate

This digital certificate with serial number 04:70:19:fd:da:74:d5:36:bd:b4:3b:a8:70:ea:49:28:2d:5e 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): 04:70:19:fd:da:74:d5:36:bd:b4:3b:a8:70:ea:49:28:2d:5e
Serial Number (int): 386595317604007673635263166711159222447454
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b7:32:01:c2:b0:bc:e1:ff:ec:b7:24:22:a1:c9:fc:9d:2f:ba:2e:16
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 81:f9:66:57:26:fd:4a:45:31:db:6a:24:e2:11:70:f1:3d:5f:44:57
Fingerprint (sha256): 68:1a:bd:61:7c:ab:ea:03:40:61:66:10:3b:f5:86:a8:11:28:39:02:01:5f:5d:91:e5:3e:1a:45:49:65:e6:a4

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-----
MIIFVjCCBD6gAwIBAgISBHAZ/dp01Ta9tDuocOpJKC1eMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA4MjkwMTQ1MzVaFw0yMzExMjcwMTQ1MzRaMCMxITAfBgNVBAMT
GHd3dy5wb2x5Z29uZWR1Y2F0aW9uLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEP
ADCCAQoCggEBAM7yTvmDFgO3IZlpYgLUJm7TUH0o0cmZLKVK3YcDpsQjHtV+WTM1
4wDcvPtjI2gEOnYe1U1rt3ZlqtVvH8lRVoWh9FlsmZnLBX8q5NnHBxkiflFkhN5U
uq22CV2rbkhxAtfJoc0ICWdxM3DIoyo17nVPPUzUdCMJlYBna/JhfzwwtTOHeD8O
KHiAFXsW/1s8fI80ZM7b338On5oTxwMnpe8f5nlQBDuKkDUaPTPhdPh46oqzBUYb
f4beIrhBHdo5NV7VXJbp1LdxZOi1IIFfSAx/KWnrcYvPMZ3xzAE6ASlbqHB9Rv9E
5r7uiMQQYrv0icP9mYKE2BMb1XSW9BzROEcCAwEAAaOCAnMwggJvMA4GA1UdDwEB
/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/
BAIwADAdBgNVHQ4EFgQUtzIBwrC84f/styQiocn8nS+6LhYwHwYDVR0jBBgwFoAU
FC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzAB
hhVodHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5p
LmxlbmNyLm9yZy8wfQYDVR0RBHYwdIIgZm9ybXVsYXJpb3MucG9seWdvbmVkdWNh
dGlvbi5jb22CFHBvbHlnb25lZHVjYXRpb24uY29tghh3d3cucG9seWdvbmVkdWNh
dGlvbi5jb22CIHpvbmFwcml2YWRhLnBvbHlnb25lZHVjYXRpb24uY29tMBMGA1Ud
IAQMMAowCAYGZ4EMAQIBMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAtz77JN+c
Tbp18jnFulj0bF38Qs96nzXEnh0JgSXttJkAAAGKPy6kPAAABAMARjBEAiB7hIJ3
cuUDkY1ynkGTLUDGPFY5H8Jb6s7BmaYlp7TImAIgZ5VTucZI7tkmbbq91VVqEKAF
pgwtDeezI9T7Y3HT1EUAdgDoPtDaPvUGNTLnVyi8iWvJA9PL0RFr7Otp4Xd9bQa9
bgAAAYo/LqRNAAAEAwBHMEUCIQCDydWcrUF7QxZY3DKpOq0rWF8XbOvVZ49YfcQg
DOtTAQIgZs7ixoxajHdIOpPT85s/8fJ/P1G5agqhAfeM+udbpCAwDQYJKoZIhvcN
AQELBQADggEBAIjr0Z2H+NK9buTerOF5DnFcIuxscThH8I2ZFPZHMGze9JcnVHyS
GWR/qWK0bI3Pjm0BBFQFoS0Z1I5mSu1ue8T9JblnZZNHmMrySGgiUzaxCBUDSxxP
WPjrZJAUiEiegGrvexLBdxRK2tanN/FAfSEz8SnPE53Z8dqbzQ9teLRvfOhYRGjp
Qxc2LpjRLR4dKySS7BeQWHB1LFleF0cj2alABDo95Sz6686wUuwUdCBgWiAnh98M
BdntmpGmc/gAgnxgva09BSrnRQklFeqWZWjx9ZFDvLRaLDK0NE9bMtngOgbn/BHe
IZm0JZIDeoUYiP7VatRx6WUAExOJQfFbA1g=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzvJO+YMWA7chmWliAtQm
btNQfSjRyZkspUrdhwOmxCMe1X5ZMzXjANy8+2MjaAQ6dh7VTWu3dmWq1W8fyVFW
haH0WWyZmcsFfyrk2ccHGSJ+UWSE3lS6rbYJXatuSHEC18mhzQgJZ3EzcMijKjXu
dU89TNR0IwmVgGdr8mF/PDC1M4d4Pw4oeIAVexb/Wzx8jzRkztvffw6fmhPHAyel
7x/meVAEO4qQNRo9M+F0+HjqirMFRht/ht4iuEEd2jk1XtVclunUt3Fk6LUggV9I
DH8paetxi88xnfHMAToBKVuocH1G/0Tmvu6IxBBiu/SJw/2ZgoTYExvVdJb0HNE4
RwIDAQAB
-----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 386595317604007673635263166711159222447454
 . . . . . . . . [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 2023-08-29 01:45:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-27 01:45:34 +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 26124577595103176546452205385796447796277232780922501985736486525515105052234796169885694631089620119332072224207577367246858058590940343761760582409788282519557620885948861435793061224429814679890159881024834911386075696130284468555115260947274591461174501761703098236868878266106395585171443221754472095540912611691048914251937256945028667176118016447057559209167402567297646976529244120140482517171795171944613659009822755581151922153084857956610797392640861415002092643018932215549995957978816374564159545594078335258628074694422056104390594360399623376932937289028432089816699058636869743772733910389587631487047
 . . . . . . . . . . . . . . . . . . . . [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)
							b73201c2b0bce1ffecb72422a1c9fc9d2fba2e16
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a3f2ea43c000004030046304402207b84827772e503918d729e41932d40c63c56391fc25beacec199a625a7b4c8980220679553b9c648eed9266dbabdd5556a10a005a60c2d0de7b323d4fb6371d3d445007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a3f2ea44d000004030047304502210083c9d59cad417b431658dc32a93aad2b585f176cebd5678f587dc4200ceb5301022066cee2c68c5a8c77483a93d3f39b3ff1f27f3f51b96a0aa101f78cfae75ba420
 . . . . [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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