wonderschool.com

Issued by R3

About this certificate

This digital certificate with serial number 04:df:70:39:d2:5a:4e:34:53:00:cc:f9:90:c0:f3:00:62:f8 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=wonderschool.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:df:70:39:d2:5a:4e:34:53:00:cc:f9:90:c0:f3:00:62:f8
Serial Number (int): 424481285313319865481782640458668343059192
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 23:75:f3:c6:c2:93:0c:0c:f7:c8:cf:ce:d0:8b:f0:d4:3e:f9:e3:49
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 42:f7:5f:59:2a:6d:ab:d2:39:d7:77:45:66:b5:86:75:14:bf:92:da
Fingerprint (sha256): 62:b6:f3:03:d4:5c:da:53:b6:a6:f1:d9:21:79:31:3f:a5:09:62:62:5c:9a:84:06:10:0d:18:e0:ac:4d:b7:24

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

Revocation information

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

Check the revocation status for certificate wonderschool.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for wonderschool.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

wonderschool.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkVXZ3rDruaBZmus2rBaE
RtbQwVDyOFptzz/AcR0uBuQBYNMPxVNTf9+jVClHEkXBijxeqodHydmHoKEGpaSR
gpLe1E/maPP7Cc/qXyQA/wukQNDG2+AYt+obKJTYds2IbClGv9wi0qlwzTHt+vyw
pK3XOimM3out3H8iH3g7DlhJTQ44iv3kMtrqFaAbr+G94EFdvUqo4ECizQnIRkrM
YqvfXk4/BZfZ2FpH6IJUZFhkOpWRRzrMSC+yys10epuZPjiCk4l9FOq0lAx4Caui
BT51Nguw8HOwVZu5GJgIk2CnCv5ql/xP3mCKiWQi98UKnrP23DVpDaSMWQrdNynw
aQIDAQAB
-----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 424481285313319865481782640458668343059192
 . . . . . . . . [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 2024-02-06 00:26:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-06 00:26:47 +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 'wonderschool.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 18346888952764531279808141671746637426050470638853114450534184915055411437169357968094736436014167818667740726468182746401824036379163490536815151787064797309265255982853875181673707857592487954847943519952033902733361181014254617856498335410141134438963093042207187479854800055381496317121743326962782966377629860245165026305409897528363004516655443405259156421819697524808345340548744165155473623618222247770218743222130033663752530301765801607140942592775416108658878029877968989569263790226863986542007909463467185390237117218891823686787950554209436906695868328299470669073957471352999151364304854333216040546409
 . . . . . . . . . . . . . . . . . . . . [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)
							2375f3c6c2930c0cf7c8cfced08bf0d43ef9e349
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wonderschool.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d7c065fcd0000040300473045022100aa04a8170a7bf80169dfa2fa02810c16b3a94e165f48f4abfe1a7d6a3fe0529002204cbaf5d6e7cb4cc2f8c2515c93b1c1d94e22301972d5cabc51bfa7af882da0c8007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d7c065fe40000040300473045022100978a86709937de69732be86d7576add37eb451ef5832a1699d53e0db55ab7612022056e61f20f0361a0f3a10cc5d945811e53988abcf9a353dea35d82bc2d341ad85
 . . . . [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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