prooptik.de

Issued by R3

About this certificate

This digital certificate with serial number 04:0b:5d:46:d2:51:79:29:48:7a:c9:fa:b8:5e:d7:63:cc:84 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=prooptik.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:0b:5d:46:d2:51:79:29:48:7a:c9:fa:b8:5e:d7:63:cc:84
Serial Number (int): 352316235693320399823635400901811209751684
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c0:d2:aa:23:1b:71:47:b3:c0:64:e3:d6:2c:bb:53:64:06:a6:3b:ae
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1d:d9:df:93:1a:b4:cf:86:b3:de:fa:b9:1c:89:10:74:5d:0c:e5:a1
Fingerprint (sha256): 7a:dc:69:ae:64:15:8a:a8:5f:94:e3:10:8e:74:24:93:68:4d:0c:70:8a:d8:f5:b8:9f:27:a9:f1:52:27:09:05

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate prooptik.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for prooptik.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

prooptik.de
www.prooptik.de

Other certificates including the domain name prooptik.de

(limited to 100 certificates)
*.prooptik.de
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www.prooptik.de
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www.prooptik.de
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www.prooptik.de
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sni196360.cloudflaressl.com
prooptik.de
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webmailer.prooptik.de
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prooptik.de
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www.prooptik.de
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www.prooptik.de
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*.prooptik.de
sni196360.cloudflaressl.com
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sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
*.prooptik.de
prooptik.de
sni196360.cloudflaressl.com
www.prooptik.de
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
shop.prooptik.de
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
webmailer.prooptik.de
sni196360.cloudflaressl.com
prooptik.de
sni196360.cloudflaressl.com
*.prooptik.de
www.prooptik.de
webmailer.prooptik.de
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com
sni196360.cloudflaressl.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApI3lSdTQ/j4FmQtGHQba
IaQ3tzohXF9KIXYbwYCHbG2IFKzx9WHI+pBhCrKCT72xOGfLnTi9hjzxD2RtJNap
qhoQTpoeJDLVbgaXoH1e/tc9IT2kSZnzYx4aGgrQ512Diw/KTheoWh7A+t/mVnk1
K1KZS8XowpoKJsIh53Q9/LOJXE+M/su1oDhGBTFtn1i3ClNjPZzolLKfpPDE4sq1
qWH6/CA34oHgj8l3o1P9eC+FpMpzSuK1coUdzMfD4pXz9j9CMzu0tNXXmysr2rIi
2jpav+BXHWdR/2CpwnN6/SMp9C7MQOQd82GnFxV+SB+RJCaADlawA+OjdXO486lF
tQIDAQAB
-----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 352316235693320399823635400901811209751684
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-26 02:52:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-24 02:52:16 +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 'prooptik.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 20773053371176014153628086985707126563693448359001661716458109872983383466158386880717551146442486114199191966832733083123779477555109555358417337477091858026324368673498255192604996429302578410225293837923030143714637957044063991789534127188202032382657447549480390283024424185482609319604641659100897217383058326708612109585552265207830860740511839624191926711622173559234806294408382421676303689466625981118524797282244796781074310660326424434800223831318819873839003864472529894351046701128523768609346616829852376960927589200807650776808068526502319482538975380455844550618800047408675832893228303514065902847413
 . . . . . . . . . . . . . . . . . . . . [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)
							c0d2aa231b7147b3c064e3d62cbb536406a63bae
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'prooptik.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.prooptik.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a2ff8a1310000040300463044022044f40724c51e1dbb8d4c6f04807cc05e17f2ceb8b1cfd90391598d7b4a39f2850220509a827aeb911cb3300fd1e2c11e869d2130852d7e9bf2cb4e4bc4504ac03112007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a2ff8a12c0000040300473045022100c987ef9ab51d7ba6574617a12125c3cf6bf4f9b88df023c290d8a71af530d035022000f6ed241f73fdee46ffa700c377746987949045c435a799fc4686db4887e5e2
 . . . . [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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