www.minecraftc.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:14:02:58:a3:93:05:78:af:15:9b:92:fb:64:7b:55:e2:e2 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.minecraftc.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:14:02:58:a3:93:05:78:af:15:9b:92:fb:64:7b:55:e2:e2
Serial Number (int): 355257909761255875360119532093628329878242
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 68:79:b7:f7:9f:e7:8d:7d:25:1a:10:44:a4:35:47:34:f4:95:9a:df
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 52:b0:6f:b8:1f:1c:14:80:dd:ba:43:16:b7:54:15:c3:70:0f:5f:d4
Fingerprint (sha256): e4:db:ac:9a:a5:28:6c:c1:89:80:91:e3:d0:bf:fc:75:9b:7a:2b:48:5a:d9:b6:af:d4:fe:32:15:66:59:d1:9f

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.minecraftc.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.minecraftc.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.minecraftc.com

Other certificates including the domain name minecraftc.com

(limited to 100 certificates)
www.ntcicc.com
minecraftc.com
minecraftc.com
www.minecraftc.com

Certificate

The complete raw certificate details for www.minecraftc.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 355257909761255875360119532093628329878242
 . . . . . . . . [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 2019-12-11 09:02:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 09:02:24 +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.minecraftc.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 898357916264104045637107194938643260005108052298770327565075409165236458479255815224238960124961055356713611789573850396917280094181912876307988530130209111340396204658593556688904526289034131251275136024965783356881567175051091398704338741585448251476549089001124591336929187842879699281593955743588914408739862880343025047892865278887926699743746830681411771056029340263110206988539442978686385966398025857626411243604947300010552139781760877268909627965450829623398871737972670479427182144860170832803960742896814156807411447422334385095380692961440230213759619962616834717255122391659119019447014578326529635709644824962906485296725242752755099637182135863237233414297327044286032249059614733723938492353864893414844420836012741263608041578861951203084358794125684586171005622399844228475823143537988490619476210138817104743488559893192497790199935211571667182709444723626588290393023622123607598111361880280958455012817887946755528640808984441096043860584355679803181089305547058084379573976978807131321798686038174785309926728616002503610819029582268746202550274744189986918947990406344078751762085753032784526499590334947131980507133594301341554521655151856939383548576642798720147640446603485204399961280306243669654478671403
 . . . . . . . . . . . . . . . . . . . . [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)
							6879b7f79fe78d7d251a1044a4354734f4959adf
 . . . . . . . . . . . . . . . . [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.minecraftc.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ef468e3c9000004030046304402207c8ab4bf9dd027e1952e61bae05bd83e3c01ffced2a3b7de9305782ceba9acc7022000ff9fc103b5c6c9d69fa613c2103e0c87e8fb1de2e595e2fd7cc4dc118ea8e7007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef468e594000004030047304502202ac50f571c956eb69069d02d9e99f022ffdfa54350f9dee5462c593a1d44ceb90221009a2b05f9d48059341852534aabeaa4fadda78e06666a382c6fe81c91e65fe207
 . . . . [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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