www.plainbrain.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:af:9b:af:13:e8:cf:1d:8d:0a:7e:76:31:8c:e3:09:ee:89 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.plainbrain.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:af:9b:af:13:e8:cf:1d:8d:0a:7e:76:31:8c:e3:09:ee:89
Serial Number (int): 321093211401552691895717443420264833085065
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2a:74:51:c7:5d:b2:ef:6c:7a:4a:c2:a5:58:8a:10:fa:9e:2f:98:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 02:0d:30:79:c3:3d:4c:42:ba:30:a7:dc:c9:61:79:7f:f3:52:39:f5
Fingerprint (sha256): c9:65:83:e5:4f:de:55:c5:9e:0b:f4:be:c3:b4:07:d3:24:fa:df:ed:b5:72:00:3a:af:d7:f7:35:27:5b:4d:80

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.plainbrain.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.plainbrain.com

Public Key Algorithm

RSA

Key Size

4096

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

www.plainbrain.com

Other certificates including the domain name plainbrain.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 321093211401552691895717443420264833085065
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-21 08:25:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-19 08:25:25 +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.plainbrain.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 631906184388850090267309152314361360569818128475353193249295892562867900308922216131027604058082060844418892928318352940169592690881985169911081620416113927184285797040502485555506467300143300926759087237193020049398027050835999017551047533746369428358867469238459472746002294638976628089762750313809056998909762125562452908286139747142532006417368685047003435088003085389005089753595492100183503053672301459393382137460744096382918867941959039228706879474100408442975047661323449726507023711321229670444005851784856994971541540027551918724073614784259736554636683870067364710406915013762096227836888397184633971814150319878505143342680373855815328208380926192269039768200764187567746331625238750989374390265947505632150720369270574042056898226241429067869929337980111585567983342634803499142878926652683672292319108602706247333880156252997243707164702574761575370925237872533313594105207773054983313944837028785232362277423365002466308617998406483963196251650747168462244101819515906125960648089974953722788617273862553095952118412891218791224976980635188855898362846905918236091236309715729644109079600677530618548923556776063292288270449508269852190055978276778337238042064136300490040604416386170017424918715443287856726038837881
 . . . . . . . . . . . . . . . . . . . . [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)
							2a7451c75db2ef6c7a4ac2a5588a10fa9e2f98e2
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.plainbrain.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170fc6953130000040300473045022100b0e525c4b813000133885f3ed0b6ce368637828eb182d55f9fda1c8aac019c6602206cac9181fd66fad0095ac209e68b71610c8dbe513456b1d856d749437ab0f40100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170fc6953490000040300473045022100adc14fe516fd1dfac4dd6cd9368f42969d98f3f9b3043cb052c075e192ab895302203658d8f1c577aef146f6a93b7b34a9ef4b4eba69dda93c2e6c7710df06a6b096
 . . . . [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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