appserv01.schooldatabeheer.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:1a:6a:a5:98:a7:c6:ec:63:ec:e7:6d:06:d2:f7:cf:8b:8f 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): 03:1a:6a:a5:98:a7:c6:ec:63:ec:e7:6d:06:d2:f7:cf:8b:8f
Serial Number (int): 270325957327978926024264442973293493848975
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7e:60:ca:d7:fc:c3:e4:83:d9:83:3f:0f:71:9d:05:1d:71:89:9c:a6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 81:ff:a4:cc:5b:84:3e:c4:98:6f:cb:d7:b4:23:3f:b8:1b:e5:ca:27
Fingerprint (sha256): e2:d3:6b:db:0e:d1:c3:8f:f7:36:8b:d6:4f:71:c0:f0:af:47:c3:00:70:d8:5f:20:ba:65:18:79:88:20:dc:29

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwJ6YJ6ngaSk09ad/6h4V
nFqWfWo+gHFEiq0PqmyLW2QGC+TXukzHryRv6b6TkEhv49KGy1tgjn+ZxUjAdUkw
TMODCfdVlX8RL/f+RgO5XsX4PpcXUAHICXGOYloE3uabmmEcaHsqcGV0XQa4QUw4
4BBEZEo1OGsO8Px6Au2Sb8jgAm6y+Be+6aLLDgoopNnMHvZRd4UwLMwHlxWWwYos
ftGzK1kZpxZb6P1g1gnuLyqofTqYFnBETd4wbJ8qfCQrwL3xEqU9OoWbqu5rHTQ4
WwTdUV8Hh+lqIjLmdSd7b+B8GySb+lf2LriTe/07BA7frWceVzUSFSEPh8ruBheY
2wIDAQAB
-----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 270325957327978926024264442973293493848975
 . . . . . . . . [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 2023-07-06 02:48:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-04 02:48:01 +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 24315960344811113234470023313862956296988265337569228185632759809753547629262488669917312738060928751630212803482013312343923091006445100573549834761112732576452517754104447012069222010063311579446179771399816221452837925916870258657279517624482638755317192173894239664650032318321511842115302936256137655421246324086951340552101340735744735146672030990603573122507043148077690255451863741516892043873871915653954540562084009487422019247819621970051731478996628872926950172509966543656481693846054771472805497437071471253381778044458243144894845066232527085270521163693975798248141204404398005483477697953567086188763
 . . . . . . . . . . . . . . . . . . . . [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)
							7e60cad7fcc3e483d9833f0f719d051d71899ca6
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001892950682800000403004830460221008df57b4cf9d5843cc99d073bde62d2566c2b81a1f9ec34c10626eeba66085f3a0221009b55ddf79623551539fa3177cd18fd91a6469abdb788ace0cc40770cc19525e30076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018929506839000004030047304502201168a39d45f8220c7561503047bcc439ba86bc532e710fa979fb93708a9db8d5022100f21a2116fd9f52f9a2f685f28ea13f6ecddd2c20697848dbb3b30402330a94cc
 . . . . [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)
		00a794f1194eb663a5570b202d15f5251fd31d1ab04760cb49639717fd5f36145793f0d8b1f708b0eafbe82145f7dae185819cd82e54cf0f18169892fe848d585d27c7ac7baebbc3e7eaa8aae7da3cc86c71dd089cf7d87625fa5028d7a3968173a21b17a6ca39fbcb2946a84a9fada2f2f5315f779841ac14266ed099cdf3c7cfa8959387d3ec2905b75726231f3559b71eb69aaf3f07ccc995c0eb946044f18de5d580197a3e1a11b6f583fedfff88862cee7b86ca2cf988b67ac20d8eea55a82b70e0f5f8175fc65fdf9e4bf65332ad0e40d7bfb19d7403550af0b4b0fb4d598c10780d10d5b177abbe5d5384cd49aff3787a0dc581387a4a2d24c9de33c01e