www.appficiency.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9a:45:28:89:a6:ec:af:82:ab:99:14:0c:0c:4a:37:09:98 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.appficiency.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9a:45:28:89:a6:ec:af:82:ab:99:14:0c:0c:4a:37:09:98
Serial Number (int): 313832269516604005220622956541021619947928
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8e:1d:a3:0d:b5:64:30:12:0e:fa:31:c6:0e:e5:0f:c5:4d:a6:b1:cc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d5:da:b7:15:af:a2:e0:2e:58:e8:78:14:e7:94:50:2c:fd:95:62:28
Fingerprint (sha256): de:97:9c:70:0d:b4:4c:3f:34:41:a7:f7:94:34:f7:53:63:d5:1a:9a:a8:a1:44:30:ed:43:b6:c9:af:95:3b:1e

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.appficiency.nl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.appficiency.nl

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

www.appficiency.nl

Other certificates including the domain name appficiency.nl

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.appficiency.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuhBNDJVDvN2c7IpODucE
xTCOn3vJ5CG/xi8NJ/j5wRKSLkV6QNWeeslh2oYBYkfPKfBot6KZWIqp9IL0RBoV
MgYr4LfJx17DH3yR7Sqbm4Y/wK7QY/2bvICgMrq30sk4pPdBh4YV7vnh2HqFfTq/
UrFy/D3SSKuqh0x6Ax1CpBE3ufNzsX6ske3WJlZKCg67uG9VmHRj9hJkvwBUhaeT
MRga1AWvp2NTdpphyKcATaj0NHinYkhaLeCefSGRNWur/+rdi2AcwgsWwz0m4pI/
8cMNRzPuGmJQoU5g4HmAcxb2JPgw8LmuJLHTJw5OLkshY/jiXqv3VYXv4NEchjWj
/QIDAQAB
-----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 313832269516604005220622956541021619947928
 . . . . . . . . [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 2018-05-21 07:58:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-19 07:58:24 +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.appficiency.nl'
 . . . . . . . . [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 23488363033189526721090639784219738556876364664831504833420555235421557232822566227249904654420691435576055610408405888585918489833286672841813454231130921992005989934313545454772391577261986401435902839933481223410800973513160102279676510451545798867233632688923404945765168030892969219783121782325118791700149571918223485877992433404681212007501605064925409681753698051639100491021037558350587408847541823647757393961954370146074982645073757717873215748892253127849589542080771554614826844619457832277967475480185414871834604491076629988153068173458620989108257903591908720133186970747044870389526386592383705129981
 . . . . . . . . . . . . . . . . . . . . [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)
							8e1da30db56430120efa31c60ee50fc54da6b1cc
 . . . . . . . . . . . . . . . . [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.appficiency.nl'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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)
							00f00075005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c0000016381ebcf82000004030046304402204ff198ad34360e4dae5ec1d6ee233ffec5e1f6adb91b415004e53eebf4bafa6d02207bd5bb28d4b5012d39627c4912d01f50feb9b834ba80ee54ad571ce5c4b720d5007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016381ebcf5500000403004830460221008a0a941e545a1b0c0b2a5acc325dcf9f0ebc0fdf381d50f7b5a533c10cbc0316022100bd4a8b95e882c2dd4ae928d0273f16ac0d5663a9af7593adb6a9ef05a2a6f15c
 . . . . [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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