actic.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ca:fc:10:99:f0:57:52:5c:10:ee:18:ef:8f:30:d5:cd:2c 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=actic.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ca:fc:10:99:f0:57:52:5c:10:ee:18:ef:8f:30:d5:cd:2c
Serial Number (int): 330408947567248298041357887438263915236652
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f1:b6:ce:e6:50:bf:23:31:88:56:70:1a:b8:b5:7f:63:8f:1c:6b:71
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1e:f8:b7:0a:b7:a2:66:14:47:96:6a:d2:02:7f:44:d8:4a:da:d9:7e
Fingerprint (sha256): 2f:e3:cd:9f:e0:a6:5a:cd:f8:c7:cf:38:ba:c0:d0:b6:0b:64:63:aa:b4:33:4b:de:38:d5:f1:b9:d6:0f:83:ad

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 actic.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for actic.nl

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

*.actic.nl
actic.nl

Other certificates including the domain name actic.nl

(limited to 100 certificates)

Certificate

The complete raw certificate details for actic.nl 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 330408947567248298041357887438263915236652
 . . . . . . . . [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 2019-08-26 13:30:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-24 13:30:31 +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 'actic.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 783706488031360693743717466267495722076880388129549774690115414104330249290189735490869019866431360248095907474820036882933985985623912862133567334944833729829639101957505518620772395036914457956983020196526510989051601411273260217209693618198096799292445752417099401756736680176240641346914174965073628953260070006124901108338445761647795197341036225601240192690139975655644808441539148888087623199273494050271548127469676507481448112210976362600695558111988999160813770238916397641876979071379708557837620369612795073904491242112277361148743300675136372895290226937476224487748126299811110577424738938348882041626864944938666758102315892806132738030994388209299171510982372010070944788965428296001593406232153307679861818996581140472376660082192420007471643321361697233709669390638358025658718363102436187663577250094555922975517027712208187118010188594931702841685399833599202385336441999085321653486104996484299774918874886165437552796411584641026703073269201454824307581173057710679868502385303187494947601860466249943666643391348061024638710273675861474629443302499058166543815596199828019388020207183460188329377580724706730936064414979181865488198492243813937158011388212892330224212048115133450642612574456828968977107031301
 . . . . . . . . . . . . . . . . . . . . [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)
							f1b6cee650bf23318856701ab8b57f638f1c6b71
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.actic.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'actic.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 (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)
							00f000770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cce55e4a80000040300483046022100a5e622f23cc6361268286028feb5a70e569c7dc2029f6b91870f40b387f214b102210087d10521c45cbdc1a809d3a294b43d1bd559e8c1ff6dd40383aae4c1dcb5155b0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016cce55e5a000000403004630440220528cfd1969405ea987f1727bde73ff8bafb2678905331886c4c412406a8ecd3402200a0a26df56915cb97c64efb514e3068f245adc3528339eab075c5580934bc94d
 . . . . [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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