michaelpfeiffer.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:72:99:50:2a:ae:bf:5d:40:9d:67:98:9c:2d:e5:1d:33:2f 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=michaelpfeiffer.net
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:72:99:50:2a:ae:bf:5d:40:9d:67:98:9c:2d:e5:1d:33:2fSerial Number (int): 387445121688837874339049180404315328426799
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: e2:a0:2a:5e:23:da:9c:98:4c:e1:64:c6:59:1f:77:cb:e6:e8:a1:38
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d4:c1:e3:51:db:9b:12:cb:86:42:26:10:c8:df:3b:58:9f:98:d1:28
Fingerprint (sha256): 44:16:54:e2:3c:93:2b:51:9c:07:9c:9f:be:cb:ec:39:a3:fa:ed:f6:02:e7:60:11:0a:52:5f:02:18:d8:2f:1a
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate michaelpfeiffer.net
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for michaelpfeiffer.net
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
michaelpfeiffer.net
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michaelpfeiffer.net
Certificate
The complete raw certificate details for michaelpfeiffer.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFXzCCBEegAwIBAgISBHKZUCquv11AnWeYnC3lHTMvMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MDYxNTU2MzJaFw0x OTA5MDQxNTU2MzJaMB4xHDAaBgNVBAMTE21pY2hhZWxwZmVpZmZlci5uZXQwggEi MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC+6dGrP4u0/NQgWiH8wUe3kds0 7+qNIU0o+IjD5g2UNHrrquXJ8mdgWnScWxpd3boXwE4WJOpp8/qF7S+2vJxrWWck p/2z3cHkGXvsd2VturQDn/cRaYisMa3Ur2MniLu8nkxuL1Mq1+/vJFZnzPb1rbPO 3kqJQYQxLhjT0jbMMZOHXnOp0SYAveuV0FD3iaFggJaAUMn1/ImSDiV93iK7eaVc /zb3at9WUaKaf1dXQiTIfwywcoHrWfdwGNb9CFRp8OjPqphhBBysMI/cdSGm2tVM /2FaNNYyWryS5VIOsbo4OOYtyGymUx6irKvq4Lgh8mkYig265oYYz9RWpsWvAgMB AAGjggJpMIICZTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEG CCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFOKgKl4j2pyYTOFkxlkf d8vm6KE4MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUF BwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNy eXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNy eXB0Lm9yZy8wHgYDVR0RBBcwFYITbWljaGFlbHBmZWlmZmVyLm5ldDBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3 AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABay24eRoAAAQDAEgw RgIhAKAr30i23bWem5rrKqnR3WQdEqxqAJPRX1per06exHATAiEApyBGKtwq/CYG T5i0lFJBZBKeAD6fvr51S4UogbuDugYAdgApPFGWVMg5ZbqqUPxYB9S3b79Yeily 3KTDDPTlRUf0eAAAAWstuHkVAAAEAwBHMEUCIBClC3AtV4UXMMNxl7IBaf4cpnsS 7wTJfF189IcOBu1bAiEAqmsZxjmSXXgV6rp+kQiXOf7hsCANAIlN/Rznsdm1o6Aw DQYJKoZIhvcNAQELBQADggEBAHBpsbUlhhCPwjzWgUlVpatxj5AwfyWSSlrtnYYn ehf/vtuSE3Lllgnjtmfbh6BS8YLoTOcjaDambwEOvkqkkcr26Cv8J5Dni58mDU1R yXrDV8JEecJ/iNgSIdEJfAyOUJi7LypvSBLSxFmRrqD5HPn9tpvM6AdO16HEfFq8 6nNLzkJ1RQOyd4MBRPgXSlJ6DiNJdWGvqTnr6zDHxoJQBMLFCwJ4bKDLd+69Fwdw mLXTl4E5H0zTLDLOK3cK1jrA9RBVX2XUVqmri/kS/qbFNrkyREFbk4Ku3KJXbo8V WRJKLUS3Or/U5ydQvGhbfS2Di6GakB9c/zgh5Fv1oS8ASyo= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvunRqz+LtPzUIFoh/MFH t5HbNO/qjSFNKPiIw+YNlDR666rlyfJnYFp0nFsaXd26F8BOFiTqafP6he0vtryc a1lnJKf9s93B5Bl77Hdlbbq0A5/3EWmIrDGt1K9jJ4i7vJ5Mbi9TKtfv7yRWZ8z2 9a2zzt5KiUGEMS4Y09I2zDGTh15zqdEmAL3rldBQ94mhYICWgFDJ9fyJkg4lfd4i u3mlXP8292rfVlGimn9XV0IkyH8MsHKB61n3cBjW/QhUafDoz6qYYQQcrDCP3HUh ptrVTP9hWjTWMlq8kuVSDrG6ODjmLchsplMeoqyr6uC4IfJpGIoNuuaGGM/UVqbF rwIDAQAB -----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 387445121688837874339049180404315328426799 . . . . . . . . [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 2019-06-06 15:56:32 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-04 15:56:32 +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 'michaelpfeiffer.net' . . . . . . . . [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 24100578399270143083398140802260161951197179226225596165775651935106018546496539381868932132806106695279104354733882032917713496341691428351477990975811005446862150699695911864704518819179950756422228627348003200371458167125382329324725969992692379398966691215734227071490025461636186566903539539268973744527175358199318536951942124260026560150730467361975119612113474672882784404568779053573529993679875515540232763605199771740001900202741276476662483858820768075530082399024543419675732495155435590423800175189168377748334634511047961223348872892738952434250252928162368777445696468361270597487217463437689522406831 . . . . . . . . . . . . . . . . . . . . [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) e2a02a5e23da9c984ce164c6591f77cbe6e8a138 . . . . . . . . . . . . . . . . [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 'michaelpfeiffer.net' . . . . . . . . . . . . . . . . [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) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b2db8791a0000040300483046022100a02bdf48b6ddb59e9b9aeb2aa9d1dd641d12ac6a0093d15f5a5eaf4e9ec47013022100a720462adc2afc26064f98b494524164129e003e9fbebe754b852881bb83ba06007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b2db879150000040300473045022010a50b702d57851730c37197b20169fe1ca67b12ef04c97c5d7cf4870e06ed5b022100aa6b19c639925d7815eaba7e91089739fee1b0200d00894dfd1ce7b1d9b5a3a0 . . . . [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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