seriouslearninggames.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b1:58:6d:5a:a6:d8:6b:fb:ea:24:17:7b:9d:51:df:4a:9e was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=seriouslearninggames.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b1:58:6d:5a:a6:d8:6b:fb:ea:24:17:7b:9d:51:df:4a:9e
Serial Number (int): 321684376602909219478751502361127100041886
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8b:f9:90:bf:12:86:c1:0c:d4:17:0c:eb:53:7f:9a:50:8f:c7:77:01
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5d:39:bc:74:7d:70:b5:d7:76:5e:0e:76:cd:d3:bb:3c:ae:7a:d6:28
Fingerprint (sha256): a2:fe:03:9e:bd:b7:4c:b2:2f:fa:6d:81:9d:24:e0:31:18:fd:8f:89:8b:dc:b9:43:3c:04:86:af:6e:e6:fd:0a

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 seriouslearninggames.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for seriouslearninggames.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

seriouslearninggames.com
www.seriouslearninggames.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsBtb5e4wGjDDj4rQK7xT
RfXF54lE3dDvDqUsVxFVARppjYYZzSlRgCz+dYbf0iSoTGFImS8xgH0vBKpsvSS0
p5BEHWfTG3oPl/ic++DjoW2bB1m7HbfYz4HPFlti+L/1cGGSkcltWr9dxFSKfA6D
mbob/J7DfPfzA7LM0PWJWUt6saSxUv54jIdbeK9FBGKbx8urlfgnzDdk9NjcMq+z
+f0Btmxwarg3iyI2h4qbrJJFgZsZJ+7stpBa2okXh6RQTSYr9TVjDLcK70fVG0a0
D3GIafcXELBS9JQvFBqizkchMjFIbJoX+6gkU96zm03MvPE68FDsrGOY+rAIbqbS
MQIDAQAB
-----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 321684376602909219478751502361127100041886
 . . . . . . . . [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 2020-01-07 15:50:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-06 15:50:53 +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 'seriouslearninggames.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 22231432888512920011758856998531356133092662270440401096844465870297387847953967387336220813970872742489319071108049904707578786108287030180307115956206334801174299311545837215434599920659426697704748735174164231206144479398630669180921418368420004182690070355564472476250523120454088545011056043939845341343040928331644652588924772090242527349493536762296619388963587550255825373607811907680466010912950864121043676161947841945461048460531838480353338704556216843502105516006910848751036493840320871442939995366135380898017622696264001475403310306554092642039538225731208021071002758407654511759582114196780998906417
 . . . . . . . . . . . . . . . . . . . . [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)
							8bf990bf1286c10cd4170ceb537f9a508fc77701
 . . . . . . . . . . . . . . . . [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 (58 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'seriouslearninggames.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.seriouslearninggames.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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f80ea904e0000040300473045022100b350d18ea9aa3db06309b7a11165d5e9834efe55c657ebcede2ed5a0597ddc310220056b0fe6ba6ab148054746fa83b2f0fdc66c06f1a25cec1ab1b6d477a6235c3c007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f80ea904000000403004730450220453af252bb3a64fac34f8b8184d5d68846cc3eac8aea11cdb28b185d48ed0c25022100c3c949bb3b77cad10e57cfcd3d56ba6ec0e1a9210e91c7bc67beb4d30180f2e2
 . . . . [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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