lib.prlab.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e6:7c:87:20:e7:44:25:ca:3d:0f:fb:06:1a:6a:83:f3:d0 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=lib.prlab.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e6:7c:87:20:e7:44:25:ca:3d:0f:fb:06:1a:6a:83:f3:d0
Serial Number (int): 339767328086009721830033907114762190451664
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f0:fe:89:ca:2f:20:2c:b7:80:7a:6e:9b:8a:a2:21:46:17:85:d3:81
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 21:dc:da:1b:25:9b:7d:38:29:2e:cc:b1:24:9b:18:73:70:74:13:73
Fingerprint (sha256): a5:38:4a:c4:0c:05:8f:1e:76:23:7a:81:86:60:77:20:0d:a7:4f:19:cc:ce:6a:ed:e6:9b:49:65:cb:bb:2c:be

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 lib.prlab.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lib.prlab.de

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

lib.prlab.de
www.lib.prlab.de

Other certificates including the domain name prlab.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for lib.prlab.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuMwYzRAuGGG4ujjivc03
PPFto4VwPHCxhlme4QJsCaEXpfRqf4m2Ke5kF/f7lREul+bJEqCX5HD1EcXOnGQr
Cb6HtGXQ8AxYYguPpReGvyt2vRlRX8Pv6jT+yCP6VdVE6bej0CN6GG9DaAh6VkfQ
gpXNZoXo0dCFGpQB8s0a609XRmcsiX4DaLB7RBjZ/fh2ZbF4UOVUodUDhynPTR2+
h5QRYt2a+0JYQORVOLdYT9fQK9OoJHueleKXgi4ANEizW2O+eGwQOt5PrFno6uNd
gw+6WfZr76MzXqFcsZERCRaQHry8QlyjlQAcK6KTrsur/3r6GF/H4hIqqccLXL/J
UwIDAQAB
-----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 339767328086009721830033907114762190451664
 . . . . . . . . [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 2018-12-22 03:58:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-22 03:58:48 +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 'lib.prlab.de'
 . . . . . . . . [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 23328492035848002694767508339857561394632716830524411750139699019303876343467636429454521087446905297382144470867627662367541290717684260477023503366193858724644932830517769701736946744458517175958525350476999585250455147937024286725507070184195133778155348287492130663668435552822571468716193732006920744177689513218275093116234121678918567557991465906059904890157408804440486461302799988069502659901102134532632589633268535937990424055391902712701657298047634489142200613142492016365303438336793826227704138073793604458737867802286798388536819266279388532972220815094334825132709772136772967451722357749839030110547
 . . . . . . . . . . . . . . . . . . . . [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)
							f0fe89ca2f202cb7807a6e9b8aa221461785d381
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lib.prlab.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lib.prlab.de'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000167d447b6d000000403004630440220707ba88a9ca372ea3c6609559b6d0eb55d0f9117dfe490b198a5f1fc73053f5002206c5c980bd7d2c2c3a4355844c3fc272ec0709f09cbc05b64bc2991f3efd10ce400750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000167d447b8c5000004030046304402200d8c6248f39a9d8e9bfa1c7f09e1980b68878ae716c98f8cf55e8c5e6783f20602203983e48f3fae3b8e76f797e146a230cdcf69b06042fd8a9d447e95eb15c7d3d7
 . . . . [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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