www.karstenbrand.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:6e:57:4f:bd:aa:5b:5d:34:5a:55:c2:d3:b1:4b:59:70:4a 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.karstenbrand.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:6e:57:4f:bd:aa:5b:5d:34:5a:55:c2:d3:b1:4b:59:70:4aSerial Number (int): 385996260962301808030607147840032260845642
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 98:81:23:a9:2a:e6:85:91:9e:bd:58:4c:43:7a:ee:cb:88:d2:ce:c1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d9:76:97:bd:78:28:fa:32:0d:0b:09:8f:f9:e3:05:93:61:29:4f:5e
Fingerprint (sha256): 70:bc:06:f8:01:6d:df:f9:4a:5b:bd:11:83:2c:0b:72:9f:dc:0a:f2:32:9a:68:d6:5f:54:99:15:92:e7:68:e5
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.karstenbrand.de
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.karstenbrand.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
www.karstenbrand.de
Other certificates including the domain name karstenbrand.de
(limited to 100 certificates)
www.karstenbrand.de
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Certificate
The complete raw certificate details for www.karstenbrand.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFXzCCBEegAwIBAgISBG5XT72qW100WlXC07FLWXBKMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMDkwODIxMTdaFw0y MDAyMDcwODIxMTdaMB4xHDAaBgNVBAMTE3d3dy5rYXJzdGVuYnJhbmQuZGUwggEi MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDNiX9jisdaGJcJXUgad080JwIV gRvGtkujoWkiavIvSL0hAHoCgvUS4+ry5/RnEhUz35N21VgyLVzemhILwd9tPePw UVc1R2vE9DF0KdOHNaulekDMEX3tdasg1PY5r9J/ielQmGjhJydeCmEF4XrKWEUA Ezz9qEbi0c8V9X4wd12S9HauAt9k0zBXRUKHNKlz10xxsq68AFdpeon35F1w0KfO 52Sxk7v1ZHM7QNq7WLCRmOyl+aXTdVahZumCXfTiGvgCk7HTnaTjhTJ8eJcQNowz 1Jh98oVbiKbdH8TM95m0U+lZ8Hva4XZ40J7TZVMMRq50sfUSuLc6RQdeM0pvAgMB AAGjggJpMIICZTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEG CCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFJiBI6kq5oWRnr1YTEN6 7suI0s7BMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUF BwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNy eXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNy eXB0Lm9yZy8wHgYDVR0RBBcwFYITd3d3LmthcnN0ZW5icmFuZC5kZTBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3 APCVpFnyANGCQBAtL5OIjq1L/h1H45nh0DSmsKiqjrJzAAABbk93vDEAAAQDAEgw RgIhAPhLQgzs7jflsHnWmjBZjHfzZdZizwVKQ0AH9kNc2hHzAiEA/TUlkYmp+i4R 0ReDBev8vxQwjLk8YwOaCtw6vMfJyDkAdgCyHgXMi6LNiiBOh2b5K7mKJSBna9r6 cOeySVMt74uQXgAAAW5Pd75bAAAEAwBHMEUCIQCXW0NQrU6eDioOiJ7ToU8OFBcx x2u5L7pfSKkfbU2mjwIgNj4GkcV4uYtLVqgG32D4cBEyxYqFNOKKTZaM4pRQLkEw DQYJKoZIhvcNAQELBQADggEBAE4HZathMhbaDA4LSr9ccJ+UVzN3W1h9oOLLpwQB Ct9DWziHCfaZyGYNtpWyB0VTRenu+9fiMPOW5LH6G39ija32z63oLApyHwaILAmB +FjRG+mof3mDDMcMtSHlmniU3tUA0pKIYKjJeM7N7Db/zlhGT5dMtIzJjI4S4v9u V7zo/NOXLh+gphWECrs+nP2tK1nUwKbuhzjr0hSV+Z0ICbafwfe0Air506UAq79u G/P49IiWHx4DlMygn5oubLNvGV+UqNzNPFvvJJIsAHd+iCTYpsMYq9qtmGMj2/Qt r57Jl083KWdN96CkDRqaQbjl2C9T59jtYjVoDRl/nQ6+bFc= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzYl/Y4rHWhiXCV1IGndP NCcCFYEbxrZLo6FpImryL0i9IQB6AoL1EuPq8uf0ZxIVM9+TdtVYMi1c3poSC8Hf bT3j8FFXNUdrxPQxdCnThzWrpXpAzBF97XWrINT2Oa/Sf4npUJho4ScnXgphBeF6 ylhFABM8/ahG4tHPFfV+MHddkvR2rgLfZNMwV0VChzSpc9dMcbKuvABXaXqJ9+Rd cNCnzudksZO79WRzO0Dau1iwkZjspfml03VWoWbpgl304hr4ApOx052k44UyfHiX EDaMM9SYffKFW4im3R/EzPeZtFPpWfB72uF2eNCe02VTDEaudLH1Eri3OkUHXjNK bwIDAQAB -----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 385996260962301808030607147840032260845642 . . . . . . . . [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 2019-11-09 08:21:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-07 08:21:17 +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.karstenbrand.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 25946655117873277081746891162370277680317680954928347445555697681503718334136783101785099312013748561374135871851831504541371648438533681299343360875665615801498389685327946619403013320462405354183788065355342226066482087394823334599195295038179852402773658167771672211259201885772614549444875410955316003700461933141189881442367230836778520758916235140004786997451336976278982639460600456406598484622572624525964520930868069453045200067703440598226173917059103450656869588971004162330999290555085401304990634088163034713458467803226158246260499947570160519927314244754730869714499140539900180785277275164681950153327 . . . . . . . . . . . . . . . . . . . . [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) 988123a92ae685919ebd584c437aeecb88d2cec1 . . . . . . . . . . . . . . . . [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 (23 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.karstenbrand.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 (69 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e4f77bc310000040300483046022100f84b420cecee37e5b079d69a30598c77f365d662cf054a434007f6435cda11f3022100fd35259189a9fa2e11d1178305ebfcbf14308cb93c63039a0adc3abcc7c9c839007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e4f77be5b0000040300473045022100975b4350ad4e9e0e2a0e889ed3a14f0e141731c76bb92fba5f48a91f6d4da68f0220363e0691c578b98b4b56a806df60f8701132c58a8534e28a4d968ce294502e41 . . . . [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) 004e0765ab613216da0c0e0b4abf5c709f945733775b587da0e2cba704010adf435b388709f699c8660db695b207455345e9eefbd7e230f396e4b1fa1b7f628dadf6cfade82c0a721f06882c0981f858d11be9a87f79830cc70cb521e59a7894ded500d2928860a8c978cecdec36ffce58464f974cb48cc98c8e12e2ff6e57bce8fcd3972e1fa0a615840abb3e9cfdad2b59d4c0a6ee8738ebd21495f99d0809b69fc1f7b4022af9d3a500abbf6e1bf3f8f488961f1e0394cca09f9a2e6cb36f195f94a8dccd3c5bef24922c00777e8824d8a6c318abdaad986323dbf42daf9ec9974f3729674df7a0a40d1a9a41b8e5d82f53e7d8ed6235680d197f9d0ebe6c57