appserv01.schooldatabeheer.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:89:2a:da:89:9c:3b:9d:b6:24:87:c1:12:09:f7:5e:25:22 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=appserv01.schooldatabeheer.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:89:2a:da:89:9c:3b:9d:b6:24:87:c1:12:09:f7:5e:25:22
Serial Number (int): 395124790282815842469644687162844523668770
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 08:83:84:45:40:78:71:19:13:62:4b:98:62:16:23:46:11:68:3f:f6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 94:1b:55:44:65:fe:0b:76:2e:e2:74:8c:6d:08:3f:b4:45:95:08:90
Fingerprint (sha256): bd:4b:88:38:95:3c:84:a4:29:cb:8f:93:0c:f2:0e:39:fb:66:4e:b5:d1:af:bd:d7:17:a5:e5:c8:23:24:07:7d

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

Revocation information

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

Check the revocation status for certificate appserv01.schooldatabeheer.nl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for appserv01.schooldatabeheer.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

appserv01.schooldatabeheer.nl

Other certificates including the domain name schooldatabeheer.nl

(limited to 100 certificates)
acc.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
acc.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv02.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl
appserv01.schooldatabeheer.nl

Certificate

The complete raw certificate details for appserv01.schooldatabeheer.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAztEfdrW6VLIxJmUonCb8
6sOyL5M22e4AFT4S5kY+Wn23wjcH+VUGMMEf+ba1HYIhsBTGK+EnkzHlSWRLrFwv
ndpcimavn5fQBV0XUyYlpQJf2MJTmpkTXfNU6CFtln+e4BAI6AltE9m+RBMZYWwq
iHj7tqqYUT/JoYmDjkLF2LLx7SSvuycS1wTjnkjSq0Q1cAxnMSFK3SRNBEW3sGb6
cj7SHDTJ6EzqaR6n0pNEZXDX5nOYJ7ezMBifBGx947IgwpSzeQhE0GPzVtDTXzgt
NSGoDW6LsgoFnoujwxuuxBbZ/CiMlQjfEl/7dfk3gAgodDfeVcfZcDqTJUB6fIkv
fQIDAQAB
-----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 395124790282815842469644687162844523668770
 . . . . . . . . [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 2021-05-16 02:23:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-08-14 02:23:39 +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 'appserv01.schooldatabeheer.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 26108213170944764010650443028435412145526127627348270471761910238137103283826722824170039109925084699211369542364255143247133531703323959139777182445725770614482326553704578360577619760403206561914588599580439147711187415992185928068127110910096765085774403291055579354501655044747339446103319134191872747197537379716043318768391890203991649820882635059297535855130175821762107509146583292467902068036570925118663333493692211530786700155457654471053542713246368876787219594902562405288010444537898382986181187699900184539055490714966838040859922878025959416637635518918851479821053171046365984767523847645186583244669
 . . . . . . . . . . . . . . . . . . . . [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)
							088384454078711913624b986216234611683ff6
 . . . . . . . . . . . . . . . . [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 (33 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'appserv01.schooldatabeheer.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075007d3ef2f88fff88556824c2c0ca9e5289792bc50e78097f2e6a9768997e22f0d700000179733368b80000040300463044022027f76b6f3f2a0bd707d0031d2e2fd3c97f2d6e4edd35da264ac79f9b94d130cd0220332debe520c204fef57620f61c4c9bc888df938624f99991ccf8afc45ef801df0076009420bc1e8ed58d6c88731f828b222c0dd1da4d5e6c4f943d61db4e2f584da2c20000017973336a780000040300473045022100ac9817aaf0545bbe549dcb2b71bd34f7e6e4ad5657a4c5e40435528251853e00022075c83d3d831c39a2c3a855630e1d75f8dfc63940512cddfa9cf709c9c441e361
 . . . . [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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