esc-bremen.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ed:58:78:86:93:58:2d:4e:83:0e:ba:3f:e7:ab:a9:2e:ef 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=esc-bremen.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ed:58:78:86:93:58:2d:4e:83:0e:ba:3f:e7:ab:a9:2e:ef
Serial Number (int): 342101376624311968789031464977749231873775
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c2:c6:b8:49:d1:bf:e3:6b:59:03:1d:ef:66:53:c1:7a:74:b1:db:a0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0a:3d:5d:41:61:3f:c1:e9:43:4d:9a:0b:28:9d:76:2e:ef:e0:e3:f6
Fingerprint (sha256): 78:38:32:57:48:e3:d6:b9:3c:ab:a2:57:ca:e0:d5:c1:fa:c2:cb:04:7f:ff:a6:c2:5d:60:c7:7d:00:e9:bf:a7

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 esc-bremen.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for esc-bremen.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

esc-bremen.de

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Certificate

The complete raw certificate details for esc-bremen.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1NHBLNNgqLRjHT5wc8o/
9Y5RuECbczD6QFLMS7l+DJvXGqaEkWsmBeVNnXMpXUjIYK8Mf0OAP3wqh0eUv4Gv
gOnLUR5D2+//vnlR/Q9iZcTDq3gB9WeQEdhClKa7HYUA4WfR7B5Pyc2MvuMqF2K3
S/hkHCOqzg3FkSFJoyHNNKkZMMdI1ksX02OET0eYWvs8nANxi14Hz8NuoYKl76Sp
Yy89MjqpsS/2CwKcfHcdGq3ZxDiRyvvzEJ0I7L4JXD18aO/UDYLi2BuNLcl84Mny
WZUDqWW1OFEkNfZ4txbZW3nlXJeFgni+w/bCFoCZYNgz0ghs9ZOaVBydxKFdXoJG
EQIDAQAB
-----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 342101376624311968789031464977749231873775
 . . . . . . . . [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 2019-11-24 06:23:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-22 06:23:15 +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 'esc-bremen.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 26865954496281842313033809229366609107602669912813862869097293977417164664623036928709089522618216038045999313135856651069364688883466735836996005569383958874773867120208359788447459376313880556030541483105291657802326604882884195597690292312153603708340808113992885248160366350429590321831519612315265004174770033928115320908427605063719444520552280332694005388601381306043484135796410981812417202965046139600313339345239631379482708097681204768648602965714316807822408967037294017083766329196426212608028883453848443542433243802191241003897579636968963992582858349825659850482012895251253830286135474066040566203921
 . . . . . . . . . . . . . . . . . . . . [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)
							c2c6b849d1bfe36b59031def6653c17a74b1dba0
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'esc-bremen.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)
							00f00075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e9c4b1130000004030046304402202e8cb56ab119eda68812d8abb53e6f4db2477be6577435a495ca302f94b7c47b022060daf9ba7d150a20d8f7e8f2c635b62ba167d582d5f1d2471b240a75c0513459007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e9c4b115100000403004830460221009bc0fd5543193fc0831e9cd5d8f15ccde1f55e3e47012e4fc828bd485e0899d3022100a703d91de6da03dc9d6fccf1098767861cb1a78890f3b53984df518290c7d46b
 . . . . [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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