qr.net-promo.de

Issued by R3

About this certificate

This digital certificate with serial number 04:50:90:de:57:c0:8b:a4:fd:6a:1f:17:ea:3e:d5:69:2b:d6 was issued on by Let's Encrypt.

With 7 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=qr.net-promo.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:50:90:de:57:c0:8b:a4:fd:6a:1f:17:ea:3e:d5:69:2b:d6
Serial Number (int): 375864296381836346878347227611374939614166
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6d:05:bb:a5:81:95:d2:44:f1:dc:70:52:6c:e7:b7:32:8a:30:3c:89
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 20:3d:d3:85:d6:c7:9b:6d:5a:26:59:d5:0d:51:f0:43:74:e8:4b:2b
Fingerprint (sha256): 94:9d:b9:3a:95:ec:59:28:69:00:fc:19:89:a0:93:bc:23:4f:4a:d4:01:8b:38:e5:07:7e:3a:da:f7:ee:d9:bb

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

Revocation information

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

Check the revocation status for certificate qr.net-promo.de

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for qr.net-promo.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

dsgvo.net-promo.de
net-promo.de
netpromo.de
qr.net-promo.de
sprachzertifikat.net-promo.de
www.net-promo.de
www.netpromo.de

Other certificates including the domain name net-promo.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for qr.net-promo.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGXjCCBUagAwIBAgISBFCQ3lfAi6T9ah8X6j7VaSvWMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA3MDEwMDEwNDRaFw0yMzA5MjkwMDEwNDNaMBoxGDAWBgNVBAMT
D3FyLm5ldC1wcm9tby5kZTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIB
AKIzwKMrqN6jw0MdMl4yKqgMb5pdI3HvO+QzcyAONDy6juyslemqfktHdJwbZVHk
Z9hfWFFJpr0LqWWfTORA9ARblBsAPBq5EY//xLEw843TEUU/W64rfJ36J5g/H2Sd
82tMt4F2qz8npt7+/X7PKEx0Kelh1UoZBCCo+C6UqJOGCnxZQYFsG++/Af8X4QJI
xwoZSfHmlvOvbFYrkhgWLvi3KgDyJgxEOiltV4hNkQe6ng/wz+d/nk2bfoTUY+9U
NFacqz2B+kVSToFDj3UVsmG+N100axN55KEugN/PJHzE38JrNFKmvPSstmZRFblw
Mt3y4vN4Y0ENROkzB2lH+ghqlG69Dx2dJMYEG4VtVxpQEmLlKXV66oxp9sIdEIsf
fhOuaaLMdyi1hm+nNlmQ6nf01PuDaJDo2AppCA9N5Rn4GCLSVK9kTPuzlBtxVkt9
4jXfZkgU3DYxm65zfTxz1cYdtxH778PUIybafAi4V54kSGRfVP3IMTMxNVOLTcwA
DXQbDDhXcixHQwNOMBPj6WnUrTcRvN6fEaa/k4snboRrATCMyZXZcrcFk+w39niY
4P33NJctjTnHiVpHIzGsZnSEK/MJhgG8hM9BNkkoB7onstYtWIeJsIU11W6HMoOI
yLfUPqgaDjtgxC6iVMclVNlVcrKGw1NxbgSZygIvWCsdAgMBAAGjggKEMIICgDAO
BgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwG
A1UdEwEB/wQCMAAwHQYDVR0OBBYEFG0Fu6WBldJE8dxwUmzntzKKMDyJMB8GA1Ud
IwQYMBaAFBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggr
BgEFBQcwAYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRw
Oi8vcjMuaS5sZW5jci5vcmcvMIGNBgNVHREEgYUwgYKCEmRzZ3ZvLm5ldC1wcm9t
by5kZYIMbmV0LXByb21vLmRlggtuZXRwcm9tby5kZYIPcXIubmV0LXByb21vLmRl
gh1zcHJhY2h6ZXJ0aWZpa2F0Lm5ldC1wcm9tby5kZYIQd3d3Lm5ldC1wcm9tby5k
ZYIPd3d3Lm5ldHByb21vLmRlMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBAwYKKwYB
BAHWeQIEAgSB9ASB8QDvAHUAejKMVNi3LbYg6jjgUh7phBZwMhOFTTvSK8E6V6NS
61IAAAGJDwCaXgAABAMARjBEAiB9mJSrT4GJrv/D3CX/5HQ8yqwPjbTrX4IibMV9
ek16YAIgJSVvnVlAit6UlKK1Ba2++mLhtvYciGUnP0zPG5jBY08AdgCt9776fP8Q
yIudPZwePhhqtGcpXc+xDCTKhYY069yCigAAAYkPAJqHAAAEAwBHMEUCIQDvUeZL
ZOwfRkn8OQEk9fK/p+dlluGMITKM50rFNtgQRAIgNb4UtB8JM/ewfjXxqVleGewd
91/6N6GS6SGkEIuKG28wDQYJKoZIhvcNAQELBQADggEBAKMadANUCw/E0rVBtLbg
2uJfNWhV6MYH35Hpx1iuJJ/43WSoN+m8nWa56RaHwtlHTv0ZgoMJtcGGfhl0MJrF
N8SbXL0ipSiJWLQhTS1vbcT5f5DSmXnmYs+zDCuw9YgwlRx+ApNd1YJ5lPCzllST
jBnvuLxNLVRf+gV/odtpWgq7KqIXfNZXv1G2ZCiA+YxKoEdOny9xzo0nXFfdkpBX
IdZmSI3HpozHFhhywl583IQT9lLQ22Hc1L4a0u0C9vyiZ36BK7ZTGK3UYJtv6UDj
ps1HwurObTC6plBVdTZzWEcvAu151fBeLXUUuueqspPdSFNvtV+HUirpklE7TYzQ
C50=
-----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 375864296381836346878347227611374939614166
 . . . . . . . . [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 2023-07-01 00:10:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-29 00:10:43 +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 'qr.net-promo.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 661727072370652688173204421895276414817710007750509684506247208126181390548802059366380447885119126449163192058489730405007798198303445917940689270425262993831704214109335662909719260833122030244951711835855229646854977068229083288967189921183934620522110145169989161681069472317732701506517475502842205471664529681043932723930558616989804831357325008942794480135510174202034226697642057962802582319840403403234918929843294014218310170756846193342452130873402222134422720982803184302840949256355738078632986377882751576518623324036387642506952981685772994164486614021386253865790021750347743259569875556273319641374301771342065683896987320810713405668840656137933660759442611565505952028498935529059530121269263857135155178183602082756009169925529787917412904913364303944640042622806496830500711644817973872643310380849292459159566959413488094436469505070182618754848456352808772649788860196366921821348861713478353805536103527295837087715334578261496611697078599018125604272324225185942894878244410618138078121345650065588994811591424793140910488674415638682786863617538797491522053894875139095157780300661898954533826742546863418955867040183316887064035360368438013901970710593929257357966782303537683588915397817225332472707296029
 . . . . . . . . . . . . . . . . . . . . [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)
							6d05bba58195d244f1dc70526ce7b7328a303c89
 . . . . . . . . . . . . . . . . [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 (133 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dsgvo.net-promo.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'net-promo.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'netpromo.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'qr.net-promo.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sprachzertifikat.net-promo.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.net-promo.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.netpromo.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)
							00ef0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001890f009a5e000004030046304402207d9894ab4f8189aeffc3dc25ffe4743ccaac0f8db4eb5f82226cc57d7a4d7a60022025256f9d59408ade9494a2b505adbefa62e1b6f61c8865273f4ccf1b98c1634f007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001890f009a870000040300473045022100ef51e64b64ec1f4649fc390124f5f2bfa7e76596e18c21328ce74ac536d81044022035be14b41f0933f7b07e35f1a9595e19ec1df75ffa37a192e921a4108b8a1b6f
 . . . . [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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