www.iserv.bbs-einbeck.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8a:7f:14:dc:c9:1c:de:9a:c8:43:6b:06:7a:d7:96:74:65 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=www.iserv.bbs-einbeck.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8a:7f:14:dc:c9:1c:de:9a:c8:43:6b:06:7a:d7:96:74:65
Serial Number (int): 308464744709836011071708970834477878506597
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 94:7c:11:66:3f:31:a0:bd:e5:a0:2a:94:a6:a1:05:d8:eb:7c:c7:e4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 73:c0:74:7b:6b:f1:b1:8c:3f:1a:da:86:ee:90:29:47:4b:e1:f0:d2
Fingerprint (sha256): ab:9e:82:2c:f8:f1:18:04:d9:7c:87:d4:62:e4:14:d2:65:98:41:9f:2e:26:96:0b:12:7b:a1:06:c0:7c:4d:da

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 www.iserv.bbs-einbeck.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.iserv.bbs-einbeck.de

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.iserv.bbs-einbeck.de

Other certificates including the domain name bbs-einbeck.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.iserv.bbs-einbeck.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGFDCCBPygAwIBAgISA4p/FNzJHN6ayENrBnrXlnRlMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjA5MDQxNjE1MDBaFw0x
NjEyMDMxNjE1MDBaMCMxITAfBgNVBAMTGHd3dy5pc2Vydi5iYnMtZWluYmVjay5k
ZTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAMv3nLyvTORi4l/GOjeR
seHLkH5BWFkzW4DgyV8y695z4p3x06N067pq7owdiFQ/wKwOiFPe2H2wRIFz7ATx
TJyjLdcMpsPiRwbKA+u806TOQJ2nKpyyAoi9SQqfgJCGzYmhKsB7BzMoFZE+h4HX
h91Y0Fk1fmQbokmsH6guNOAUKiwyL4GTX1THxEJ6CaFoKKDw8vfKcw3FHU2MiWHK
JiPbZEmMdMN6t2U5BX19AiHRlMVUR7wX1f+8KSW6P/tWKb3S7EtZmmJyj4NrkhXR
nZM8EL99YP2udOxjys+r8aL5yYx8JoehA3osxr9Ir67AWlY4zzODA8GTCtV6j4uJ
jZDr2rZolYpa3sjwDzKgyqLl+IW0ypm53bEnGsqF4qUFBRqf7v8ETAulQxs+W0oJ
fhoOYJZiMch88qVrhUQ489kdvqaqmZPmPz7Y3vZOglJeVbP/6HE4Jj2fm2bOhLtl
xDjDzUS6/i9yKLSsFt4iOhhdCSOfUY9g8UspWLlIlLc9INJuwnd1GT2DUwyHWQOi
k5RR0WKkirhRLNC6KC0SyIsA+448Tgya2JSRcqO/INJQd+Jv/pPmp+Oa8hrcZaoE
FbMk5htwLtfOAXpPR5a7eN7uUPhS8iKvaVBaRR5R5uxrarvABbBuTY9el0kgNn3l
1UtnnENM4EBqrUzJR0hT/euTAgMBAAGjggIZMIICFTAOBgNVHQ8BAf8EBAMCBaAw
HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYD
VR0OBBYEFJR8EWY/MaC95aAqlKahBdjrfMfkMB8GA1UdIwQYMBaAFKhKamMEfd26
5tE5t6ZFZe/zqOyhMHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYjaHR0cDov
L29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6
Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMCMGA1UdEQQcMBqCGHd3dy5p
c2Vydi5iYnMtZWluYmVjay5kZTCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYL
KwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5
cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9u
bHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGlu
IGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0
IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEB
CwUAA4IBAQBPkbolok8qGvNMiPMks0EAO093nChfKkJHTayu08kmbPQrXih8//Fk
FaTyMyy7frGQNg/lx1dx/6JDUYY0FmzIaI8qNmQJIa8IZkprwKN3o+qbsDXsGAZA
V5Ls+Ae/tVYkE0oAgLp/xIPqDubM/4tm35tVbN7CvhMMwnEPveCULD/O/MwujvVR
n0XSSDaZf/wojarDjGEMJJDG3ElEFj+ZkMAwTe2YsJ7Z23Y1WuUK+urghF+UlzHb
YZaKOWWKE0e0pJf4Y3bgAeoLxOAv9kNWT4G8jmBMxnBETCE4K69cLX/HTjpiXLdC
UfVI1qk4MZsGOnLrlNt8GWJ/kbbiqVL3
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 308464744709836011071708970834477878506597
 . . . . . . . . [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 2016-09-04 16:15:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-03 16:15:00 +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 'www.iserv.bbs-einbeck.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 832113721837822024703685947320187095950149647658927061274837478082041985112321623625520154504817150921763909073351589331875869411747902175327000120882675425200190256714742317416704674403886643289491308199739046926338847867123130880186483246932731345943183823639229202343533580107009195026809195550011696334460741951004411338308313462837694868106402584498067671349593147957140762024725418033448085920352107079532750405722783957829449914203042289175169434761017310441010875683315863637067403183506017361743805122357700145920014418991601113813464425176409025046154356578147770568262206722779399278814778978799639574254628729515133394735547764334621855935565771164881838109952540892256522050876863727789847459049753199705476376563156584188113389737512068433469108706490903541045144535070393930166354743235479512971898528046432820341844310920603219826309421066746291808677274679547078685087424953040180074001116604959078375816986734536275407988107679774621801934005116601615936412854704830349182292995335318010442337938766929575028355361302958270894070976751664720254481779574229978119826946509050827660838920369695830110858282167418543848681949747993726823962465068580471858103919398171383815561394699623924245882864151581393150761888659
 . . . . . . . . . . . . . . . . . . . . [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)
							947c11663f31a0bde5a02a94a6a105d8eb7cc7e4
 . . . . . . . . . . . . . . . . [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 (100 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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.iserv.bbs-einbeck.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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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