unionsquareacademy.org

Issued by R3

About this certificate

This digital certificate with serial number 03:43:ed:4a:2c:07:a8:a8:7b:b7:8e:c9:64:48:59:a2:2b:d0 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=unionsquareacademy.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:43:ed:4a:2c:07:a8:a8:7b:b7:8e:c9:64:48:59:a2:2b:d0
Serial Number (int): 284451188536984990494738661405163056671696
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5c:e4:46:be:95:c9:83:3e:35:e2:ae:e0:0b:a5:0d:b7:f6:82:19:03
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 78:25:6b:71:f3:c6:8c:29:c3:3e:ac:e8:ed:4f:5d:9b:b0:a4:f7:c6
Fingerprint (sha256): 5a:4d:09:d0:29:0b:3e:a8:5f:cb:dd:72:fc:7d:93:64:e0:17:23:1f:f2:13:d2:6e:f4:8b:89:53:d5:ec:39:d9

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

Revocation information

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

Check the revocation status for certificate unionsquareacademy.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for unionsquareacademy.org

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

unionsquareacademy.org
www.unionsquareacademy.org

Other certificates including the domain name unionsquareacademy.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for unionsquareacademy.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwQ4xIKfneMvI/TKNkRcr
dlZTUN11Xwnb9S2Q+kLZjtKrlnLtbx00gcAeYC5bKPHZyevooVBVJsaus4lJjCIe
jfPuXnu2GE9jlwaqNeQ3noAEHE/ApzkwqgDy8q2oQhDaAcxvkyx4/ZltZ0clPezO
iWeKzXKZ/nIxSrMWOSPjqWgkZYFUPMrEV0Pf/Bgp6INsi8UOKkyRKZTHJ/8HLWtv
+etLgo6jnQMUSCsTN7oUVFG8IcUJyFO0CmItguOFZLshMoOfyaIA3g+O9RLNBZ+/
4SLlXRCbHEeuL9L2U+tnXxRQwvLuDi+DiIMPymcHla4wGjmRGoEUoGGvJnAFnSCH
IQIDAQAB
-----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 284451188536984990494738661405163056671696
 . . . . . . . . [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 2024-05-27 11:10:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-25 11:10:30 +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 'unionsquareacademy.org'
 . . . . . . . . [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 24370991147407355304527965697761997120496793063955409389352008733053366976169726161940667871761588883396459036049894718572394145442867945271442780402147798966436072945888907453527024123369037913019359907243167541811688581669065177024932757438845653550966235880039714386413465383906663667141518714564454200117501306247914833693456618555240367480974096633292638900306725156498138512012931822981655124926459599206692383180145137922045567921045065637131147874369383047966003706819113421291995693702924554697435265433898687261793175635657628282462352817232164371796432969259336641745851318083798206394641030195361087522593
 . . . . . . . . . . . . . . . . . . . . [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)
							5ce446be95c9833e35e2aee00ba50db7f6821903
 . . . . . . . . . . . . . . . . [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 (54 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'unionsquareacademy.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.unionsquareacademy.org'
 . . . . . . . . . . . . . . . . [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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018fb9f5992a0000040300473045022040c63754fe3724deed1b3dca4ea83d2316f0e8beaeadaa509577851fd40389e4022100ae85a69a65535037ee2e7430667d46f5bbede941c34f4d35e26a42e12c54ef100076001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018fb9f5996f0000040300473045022010f48c0e227489d61f197d97ec7c1aad818bccf8e4021cb113dfc8a54cdd7f830221008f1f77886d880a5e38ea7fa7f9e9d40859da7d8614cb1c737a1c51f64eda37da
 . . . . [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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