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:d6Serial 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.orgCheck 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
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----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAojPAoyuo3qPDQx0yXjIq qAxvml0jce875DNzIA40PLqO7KyV6ap+S0d0nBtlUeRn2F9YUUmmvQupZZ9M5ED0 BFuUGwA8GrkRj//EsTDzjdMRRT9brit8nfonmD8fZJ3za0y3gXarPyem3v79fs8o THQp6WHVShkEIKj4LpSok4YKfFlBgWwb778B/xfhAkjHChlJ8eaW869sViuSGBYu +LcqAPImDEQ6KW1XiE2RB7qeD/DP53+eTZt+hNRj71Q0VpyrPYH6RVJOgUOPdRWy Yb43XTRrE3nkoS6A388kfMTfwms0Uqa89Ky2ZlEVuXAy3fLi83hjQQ1E6TMHaUf6 CGqUbr0PHZ0kxgQbhW1XGlASYuUpdXrqjGn2wh0Qix9+E65posx3KLWGb6c2WZDq d/TU+4NokOjYCmkID03lGfgYItJUr2RM+7OUG3FWS33iNd9mSBTcNjGbrnN9PHPV xh23Efvvw9QjJtp8CLhXniRIZF9U/cgxMzE1U4tNzAANdBsMOFdyLEdDA04wE+Pp adStNxG83p8Rpr+TiyduhGsBMIzJldlytwWT7Df2eJjg/fc0ly2NOceJWkcjMaxm dIQr8wmGAbyEz0E2SSgHuiey1i1Yh4mwhTXVbocyg4jIt9Q+qBoOO2DELqJUxyVU 2VVysobDU3FuBJnKAi9YKx0CAwEAAQ== -----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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