www.howtowriteaplay.com

Issued by R3

About this certificate

This digital certificate with serial number 03:83:f0:68:7a:63:c1:25:df:b5:85:93:06:99:2c:51:e6:db 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=www.howtowriteaplay.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:83:f0:68:7a:63:c1:25:df:b5:85:93:06:99:2c:51:e6:db
Serial Number (int): 306233405062142682213147070831469874243291
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c1:4a:36:0c:14:eb:b9:df:20:f5:be:04:4b:04:0c:65:cd:7a:0d:ea
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): bf:12:48:04:69:aa:45:3d:75:4b:0c:3f:3e:c7:a1:7c:87:48:98:45
Fingerprint (sha256): 1f:be:70:dc:d7:38:d4:15:d1:1d:61:2b:7e:09:d8:96:d8:c5:07:96:fb:de:cc:49:a6:ac:17:1c:78:64:84:8b

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

Revocation information

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

Check the revocation status for certificate www.howtowriteaplay.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.howtowriteaplay.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.howtowriteaplay.com

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Certificate

The complete raw certificate details for www.howtowriteaplay.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 306233405062142682213147070831469874243291
 . . . . . . . . [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 2023-12-02 11:29:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-01 11:29:00 +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.howtowriteaplay.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 851769313119638271985784167327415374206779335504613286190215296165097418920306969989614058900559457436791064505596096190413990460992386717589306318251432035348646091913419686716025281285925168984730169443773091520092426029801663087250828976900619883548350988508814862884280863570799366303324338733550130246278538154980543044788902202742491974107705054827955273996622998498178966379433825688749480429643598887902794531053991482696733374000398061472005213309067498313101149486818310948164330191670564852834905605038840612286544256841589220011283320558158116864871886880928275967283931228978434454934241613102110550755056622844894687614786209593970956542610982580628830732931379259811138355886901125615058593419564534864705464661896484892235232927511942753684495057270142982636410775725908455092132461444447239178042485003404540937870727752793399419766304254565714189088887180794196126096519457331500354838979952418033885052837252262496699974373368013120883086274992412953616904796851170470268789206481007100350889531105471714710588170395958211008214101138145744267921990165821154658795512292588815347620090555704656522683884923908853176746959147057055881581877912457299668867929696687906296313211030416011729639568626432357653847877259
 . . . . . . . . . . . . . . . . . . . . [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)
							c14a360c14ebb9df20f5be044b040c65cd7a0dea
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.howtowriteaplay.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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