ai.plainenglish.io

- Cloudflare, Inc. -

Issued by Cloudflare Inc ECC CA-3

About this certificate

This digital certificate with serial number 03:06:db:06:38:8e:ba:c7:92:9f:6e:0a:d2:c2:87:6c was issued on by Cloudflare, Inc..

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)

Cloudflare, Inc.

Organization: Cloudflare, Inc.
State / Province: California
Locality: San Francisco
Country: US

Cloudflare, Inc.

Organization: Cloudflare, Inc.
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:06:db:06:38:8e:ba:c7:92:9f:6e:0a:d2:c2:87:6c
Serial Number (int): 4023280109081841443905244025317394284
Serial Number lenght: 122 bits, 16 octets

SubjectKeyId: 03:22:97:81:32:f2:16:f0:31:47:d5:e5:13:ab:47:2c:33:d9:03:19
AuthorityKeyId: a5:ce:37:ea:eb:b0:75:0e:94:67:88:b4:45:fa:d9:24:10:87:96:1f

Fingerprint (sha1): cb:b7:52:0a:60:73:70:48:c5:d5:e4:c9:70:fd:09:b2:81:3b:cf:64
Fingerprint (sha256): b1:31:b2:c5:7e:dc:f1:9f:1a:6c:96:18:f7:22:be:26:27:78:a1:57:fc:60:04:1e:e4:f4:60:c0:1f:dd:1c:29

Issuing Certificate URL: http://cacerts.digicert.com/CloudflareIncECCCA-3.crt

Revocation information

OCSP Server: http://ocsp.digicert.com
CRL Distribution Point: http://crl3.digicert.com/CloudflareIncECCCA-3.crl
CRL Distribution Point: http://crl4.digicert.com/CloudflareIncECCCA-3.crl

Check the revocation status for certificate ai.plainenglish.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ai.plainenglish.io

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

ECDSA with SHA256

Key Usage

Digital Signature

Extended Key Usages

Server Authentication
Client Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

ai.plainenglish.io

Other certificates including the domain name plainenglish.io

(limited to 100 certificates)

Certificate

The complete raw certificate details for ai.plainenglish.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEayTr92kdMxgoGc0f8nOdb31aGvcX
qIj8MofclOpxeQGmdURcOrD2wnl/XQ24nO5cVzzHs8CR5yZbG2QlHGqCzg==
-----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 4023280109081841443905244025317394284
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.2 (ecdsaWithSHA256)
 . . . . . . . . [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 'Cloudflare, Inc.'
 . . . . . . . . . . . . [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 'Cloudflare Inc ECC CA-3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-12-19 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-19 23:59:59 +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 2.5.4.6 (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 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'California'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'San Francisco'
 . . . . . . . . . . . . [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 'Cloudflare, Inc.'
 . . . . . . . . . . . . [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 'ai.plainenglish.io'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00046b24ebf7691d33182819cd1ff2739d6f7d5a1af717a888fc3287dc94ea717901a675445c3ab0f6c2797f5d0db89cee5c573cc7b3c091e7265b1b64251c6a82ce
 . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a5ce37eaebb0750e946788b445fad9241087961f
 . . . . . . . . . . . . . . . . [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)
							0322978132f216f03147d5e513ab472c33d90319
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ai.plainenglish.io'
 . . . . . . . . . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (116 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl3.digicert.com/CloudflareIncECCCA-3.crl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl4.digicert.com/CloudflareIncECCCA-3.crl'
 . . . . . . . . . . . . . . . . [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 (55 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://www.digicert.com/CPS'
 . . . . . . . . . . . . . . . . [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 (106 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://ocsp.digicert.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cacerts.digicert.com/CloudflareIncECCCA-3.crt'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (363 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (359 bytes)
							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
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.2 (ecdsaWithSHA256)
 . . . . [c:0|t:3|false] BIT STRING (560 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 34498017486704236413961152763952445088541493038545938113472023176518827897048
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 39754324738745536726936456120061819191441704502059127841846173270967004664451