printingclass.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:e9:dc:d3:fe:de:b0:01:fa:d7:2d:8c:53:a1:46:36:79:39 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=printingclass.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:e9:dc:d3:fe:de:b0:01:fa:d7:2d:8c:53:a1:46:36:79:39Serial Number (int): 428028466122704644075036638788252538927417
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 2a:f3:37:27:34:08:ce:a0:81:b8:06:82:78:9d:37:54:9b:83:ec:3a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c8:d4:b7:84:c2:07:9f:61:bf:10:66:9d:36:20:ed:25:1a:31:16:0b
Fingerprint (sha256): 74:0b:1d:7c:78:eb:57:c1:98:38:d5:50:c5:c2:61:62:de:63:c7:37:47:70:82:f9:65:2f:2f:c6:fe:79:09:78
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate printingclass.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for printingclass.com
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
printingclass.com
www.printingclass.com
www.printingclass.com
Other certificates including the domain name printingclass.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for printingclass.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGcTCCBVmgAwIBAgISBOnc0/7esAH61y2MU6FGNnk5MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MTcxMTIzNTRaFw0x OTEyMTYxMTIzNTRaMBwxGjAYBgNVBAMTEXByaW50aW5nY2xhc3MuY29tMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwSJnOnbmFU0ktLB+iCATNb9IZjHP Pi7a/6s15WWHToTkmGXY9dLyOAZZ2YF5kNd9ru2xqqh9fYHVwnOJQFrVOyllFD72 I68nhSuVuwtFIhHQ/nKK1EePNglfCWsBSrQvedESBsiO/XAV2v2NyjiotMuMr+7b xjEU2Mi0kje/5SXLz6FYUe/J2Yzgj1x+UxjqyrdbfHH/CeRg/5h4f4KbWQVdalEj tMgkup5Ao7aCtJxWmeghItQyPI1tTvwzEKuiBotdbofs5oMXK87l7KsPGHAaakrF 3VnRGXzAxTE1htM7+rgbreQj8keHWHGH/MoE9iti7w7eerpxRaF0zMlYJpxukK3G 3nAomNrQApcdpaD3IsTN9g2n9U3RCijs40ek7fvt25jW8msZ0vDOV2/D3fDQoz+T VmQeeqJyRd8a88eY2194TS6p4SX3pjQ67LPvYy0NIoQ6AIVAxRVVuANMw8eWj+fi RjKt90W8SfWjVDv0HaL3ZuYLOHBEnrT5jjlHcbGfYmwRKMNVV1161lTlI11+uX51 S7x62RYNFpKfPJb1/yHssE45CuuMhDVxrQguPfyLpuCLAdxODBG4lqqTyBMY4KwL pTd9HXiPb79hYWo0yb3+EX5ZEwMlJNcpRkWWMCWyF4CG49dCc3nWymBO4JE9A/+c EKstZPYTGyoOvLUCAwEAAaOCAn0wggJ5MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU KvM3JzQIzqCBuAaCeJ03VJuD7DowHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAzBgNVHREELDAqghFwcmludGluZ2NsYXNz LmNvbYIVd3d3LnByaW50aW5nY2xhc3MuY29tMEwGA1UdIARFMEMwCAYGZ4EMAQIB MDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2Vu Y3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAb1N2rDHwMRnYmQCk URX/dxUcEdkCwQApBo2yCJo32RMAAAFtPy3iLQAABAMARzBFAiBHDfBWm3GdiLCd uPA3KrTWeW2nYcAhFxVSBpC16MvRyQIhAJP6QmtnXNS8nQqvfpYrcE468tttwR/Y htLodIp64GgaAHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFt Py3iBwAABAMARzBFAiBvW98oA1owI9D7jl51SjXmIE9J6S8qEgIPd2Vf+YS/wwIh AOajuqUu90thmAzOtpakXIejaOZ1YxKm/zQGp7ZoxnbiMA0GCSqGSIb3DQEBCwUA A4IBAQCRTRNjxePmXDL0kpbQaHrkizO5fqmAuUnQ0/mjq+akC8oU2KRJgJWJpNx4 6W1kXMvHpmbzFn0eacLP5SACSq69DNI1GBvKuUpVnfqZ6OKS6qpc9fLolmFqB9zM S2CVGPvRTViQgpiwgfm0hpxLiLl5RWNKL9Q39DXvY8OZcYx4hQ80XBrD/g+/8RLN 2QmjzgW66y74yb5OmwEwuJ5gXr0ByQgFR6RW8eglhPjiuphSyC+6u/7smUo3G8Nu AslW/VBwOh4xGzb8rs+pjB7AQEsIKE+U7sjtfiy8WuFRBV/WwmVOnQdNRBeV8E9h tZ+g14VZBoo0kE591tpk0lx94Z95 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwSJnOnbmFU0ktLB+iCAT Nb9IZjHPPi7a/6s15WWHToTkmGXY9dLyOAZZ2YF5kNd9ru2xqqh9fYHVwnOJQFrV OyllFD72I68nhSuVuwtFIhHQ/nKK1EePNglfCWsBSrQvedESBsiO/XAV2v2Nyjio tMuMr+7bxjEU2Mi0kje/5SXLz6FYUe/J2Yzgj1x+UxjqyrdbfHH/CeRg/5h4f4Kb WQVdalEjtMgkup5Ao7aCtJxWmeghItQyPI1tTvwzEKuiBotdbofs5oMXK87l7KsP GHAaakrF3VnRGXzAxTE1htM7+rgbreQj8keHWHGH/MoE9iti7w7eerpxRaF0zMlY JpxukK3G3nAomNrQApcdpaD3IsTN9g2n9U3RCijs40ek7fvt25jW8msZ0vDOV2/D 3fDQoz+TVmQeeqJyRd8a88eY2194TS6p4SX3pjQ67LPvYy0NIoQ6AIVAxRVVuANM w8eWj+fiRjKt90W8SfWjVDv0HaL3ZuYLOHBEnrT5jjlHcbGfYmwRKMNVV1161lTl I11+uX51S7x62RYNFpKfPJb1/yHssE45CuuMhDVxrQguPfyLpuCLAdxODBG4lqqT yBMY4KwLpTd9HXiPb79hYWo0yb3+EX5ZEwMlJNcpRkWWMCWyF4CG49dCc3nWymBO 4JE9A/+cEKstZPYTGyoOvLUCAwEAAQ== -----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 428028466122704644075036638788252538927417 . . . . . . . . [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 2019-09-17 11:23:54 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-16 11:23:54 +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 'printingclass.com' . . . . . . . . [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 787919558866332250363753142743017941621551375105511600892757722221339211804422080543363217654297691948220027609290105293256913493783367391717692308523858163939846390035699309969566271807666107516993472780942149554727664960736912030794547071379555918869350814317009763457641496919423519207364030862123707227444131448362779916429821485498324813385643730112546623922802758948109679463094722401286461997102324367218647741302930715168187318480948304649235845870957698576017943915651572951964155662806577663197648555348476471594361137948975198406209245807844232417709243891487926315309864689172386210192048992235319610815195635506080610512296475086676218700645859626258350615058952537885436162340423827454842265491926392958562579919560474903740201319207875788777104931471476343122436753689666269311233861117065235510115113336243862693947847347398483069816605630031072414324726634373126266296292299946938588736422832455849709781585826546214355108133573075670692577101531338520963527942609056358534855239631717744244399653671340140453960015327314542139835128933697117999757823678962538308756667799068471743285213937762610810958625939955461055853973524052464202049696018834390081733724182630276085859535435204037431885821112469597445696699573 . . . . . . . . . . . . . . . . . . . . [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) 2af337273408cea081b80682789d37549b83ec3a . . . . . . . . . . . . . . . . [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 (44 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'printingclass.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.printingclass.com' . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016d3f2de22d00000403004730450220470df0569b719d88b09db8f0372ab4d6796da761c0211715520690b5e8cbd1c902210093fa426b675cd4bc9d0aaf7e962b704e3af2db6dc11fd886d2e8748a7ae0681a007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d3f2de207000004030047304502206f5bdf28035a3023d0fb8e5e754a35e6204f49e92f2a12020f77655ff984bfc3022100e6a3baa52ef74b61980cceb696a45c87a368e6756312a6ff3406a7b668c676e2 . . . . [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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