chempro.kcl.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:65:bf:d1:c5:68:f8:9d:1f:a0:1f:57:cf:d6:a1:8d:de:d7 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=chempro.kcl.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:65:bf:d1:c5:68:f8:9d:1f:a0:1f:57:cf:d6:a1:8d:de:d7
Serial Number (int): 383072634527245487160994459607158259310295
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c4:e1:c7:0b:f2:90:e5:0f:98:f9:97:8b:22:0b:82:68:9c:bd:30:c3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 01:3e:66:0e:f7:6a:68:c5:7b:ed:8e:87:4e:35:1d:b5:c9:cb:ff:46
Fingerprint (sha256): 5c:6c:bf:0a:10:be:a0:cc:28:0b:69:93:04:38:8d:4d:65:54:d4:ca:b3:a5:15:d9:38:7b:e5:45:29:c5:d1:7a

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 chempro.kcl.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for chempro.kcl.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

chempro.kcl.de

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Certificate

The complete raw certificate details for chempro.kcl.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtQUUsFQtUUiz4XnTZKjR
gCEbpSwBxGSU7QYF1Ao7iyFbfCqWBwd/p2vnppEl3LsFfQ/b/OBpSOaM3kiDkMa9
M0adG3WozeAbg04gbaHQauIGFPXqOozJiwW1euoKghq1b6qXA0TWXS9bgME7VdfM
3JfZpCQw3ogQNV6Dgs9caU/eitqRhx037Fs2NWg/Ll+WK+uKMaLqrL9jFNpJ8fwd
90zs1jdMWEPNhMwmpAbR9U0Mj0LCN1aTZUO3AqgYzdv23LgGwKtSwap3ruwAaEzj
gsPhUY17OGy9YtPwGuffq3F9EufZR9V/AMkIlZS+o9HomW4E5oISiYGJ4xVNveWX
EwIDAQAB
-----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 383072634527245487160994459607158259310295
 . . . . . . . . [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 2019-04-04 16:54:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-03 16:54:22 +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 'chempro.kcl.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 22851638642390485066618583805553355188250869411834851626597561500037454949081288419879486218901806529338350750448256548054094498673124817576872676453723241328416879439143169835992021211855471079481275167184284812861746971336787541250750414310953470574891230461439960706946954238118103102809497585625178342897824088049352280580160781348570595837262461938779135079543497129342487293298719159231541729544480291921950061358711637361764338610471130857167558009806706538994443275069182982859004464569645611422123941878185473716375129378529129124567279191509610870479803475471442558305870471955665623465775878381561769727763
 . . . . . . . . . . . . . . . . . . . . [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)
							c4e1c70bf290e50f98f9978b220b82689cbd30c3
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'chempro.kcl.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169e97cc70600000403004730450221008fe51de17e8394b80bf0436e988d706f2d88f131937412346381b20c7760a312022062f24e8f392e32c2b4f0115a1607dbd34f37317bb1253199e8475870f71aa3a9007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169e97cc6f00000040300473045022100ce166f258ebaf23486ddd8a1fd4ae74c7ac2f1407d39b2f12f8cebaf50e4299102200ad1ef21dc9fc8bebc581d3f694a0e8ba187d8c0749e3d5ac781b11a86b5c3a4
 . . . . [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)
		008f73d761e5599df09036f8ed041bd2fa569980884c2c1c376b9611f12d3ba68ef7e229e23994c61722d6541493f16a7392625c5c3ff07503d2d79fc4e1839b043033d96b64563d774a79b6a391d5ce0109b2e2d975a97538040b0e17b563a19f2e90ca8a831c29ce0b8f00e96abeb48ba385d5f1e3ce0958b3bc95e86c28172be53382275bb828ea5021b441551be70c8d21c8e64a3e6990c9ed0a9f777d8f79c9e19cecc5c54199b5d3d1466fd747af34f0d75892f1dad61b0f40e1dc344825433f026e53eecadb3ea011ab20e4a79b2c5ee681a75825713dc90225e208d9ae7fe1f3b9b5f6290709dd8761bb130a3f399ee4c0bfc68272af0dd0b201805555