b-selke.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:85:69:0a:46:45:7e:d3:a1:90:ee:dc:19:ad:3a:78:d5:78 was issued on by Let's Encrypt.

With 3 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=b-selke.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:85:69:0a:46:45:7e:d3:a1:90:ee:dc:19:ad:3a:78:d5:78
Serial Number (int): 306734034883566223522092850026727953978744
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 55:f0:11:66:e9:35:bb:7c:f9:3d:24:1d:f7:e1:09:ae:4c:e4:4d:44
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e6:33:ef:2c:99:b5:c9:4d:df:db:d6:40:3b:65:fd:18:ae:fd:eb:2b
Fingerprint (sha256): 42:6a:1e:9a:0e:1b:31:bc:d1:23:b5:3c:ad:b3:29:ec:6f:6e:56:d0:c4:61:62:ac:0a:59:99:11:0f:82:bb:03

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 b-selke.de

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for b-selke.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

b-selke.de
webmail.b-selke.de
www.b-selke.de

Other certificates including the domain name b-selke.de

(limited to 100 certificates)
b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de
*.b-selke.de
*.b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de
b-selke.de

Certificate

The complete raw certificate details for b-selke.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxGt4lKwPfcRhINHz44iW
X2iH9+AT/hRAFxgnLB4Wq7n8eYHIlaDPoRE58XiAoFxZWCtWT+9OnT58a89AYaUc
fvja7FkVjgG3xVpQYCQdHBiMX/5XPifDYZ0iK7gnbWErNpErxQ06Ifnf8CSqMU7g
R4EPBP/6Bq9cpQbhIkKjkAUsdjqMjU+OKgXEZ0mf5JFgyKPsqozw4iJP32otXQjM
qCD1+bn5jJFFtBRPjlb3QbENbpET4OuNHmwv/Nub7rEDeZrZa2nCebJeMWdu/FTT
AZR3Mz/EuAYhC2NVQ5nKXwkTwre5vtSE8807UUTNPPa9K1ziqr2oTRcCr28Cl55w
IwIDAQAB
-----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 306734034883566223522092850026727953978744
 . . . . . . . . [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 2018-05-05 22:44:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-03 22:44:47 +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 'b-selke.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 24795703707783170147441591819711279769159939859695373213682075372023578618630664523585168329590255666208266545436395579376654364014324259786130189918094543885565937742913258267131890291813003759845548990227747021610580878712917253812735636129103499470261715409346108806691545630204341180841557436060678370983075287545055487337873986866955603154542044323064452602857289192487029190083300164569429119149646689160488301597687174196536297144554812106501388093264086708439599417689867435381310536394298158476427689014923944342138880056988558750418938301790548285032864471789002832689620958209585797689310214272839222980643
 . . . . . . . . . . . . . . . . . . . . [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)
							55f01166e935bb7cf93d241df7e109ae4ce44d44
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'b-selke.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.b-selke.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.b-selke.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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)
							00ef007600db74afeecb29ecb1feca3e716d2ce5b9aabb36f7847183c75d9d4f37b61fbf640000016332b1915d0000040300473045022100acb4ab5d4390cf21d99a23c7edd8c0e5b5de1df82da5c1fac64fb711c8b8788d02207502e14cbad768f9332761c11a5be84f954ac2823c13874173b52aa491adcfab007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016332b1917f0000040300463044022070f85353e6a1095ed0af8bb7bb79e612e2dcc100c37ae0fe4d3e59830f8a2f3f022057194e7d5c5fa885e86d1a2cd20773646fca8bb37797eebd669013bb5742aedb
 . . . . [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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