rfcca.umich.mx
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:88:d6:10:e2:d5:ff:5c:8f:38:5b:8a:54:c9:25:4a:0a:c9 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=rfcca.umich.mx
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:88:d6:10:e2:d5:ff:5c:8f:38:5b:8a:54:c9:25:4a:0a:c9Serial Number (int): 395012088096915525787391703973919059479241
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 97:10:62:60:94:98:30:14:2d:cc:95:84:3c:52:16:9f:c1:b3:81:bb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 5f:9b:28:1b:d2:78:ec:b9:a5:45:74:c8:e5:dd:79:da:77:22:e1:c9
Fingerprint (sha256): 08:52:92:6a:57:b2:ca:64:c6:e3:f3:c3:b0:78:9f:83:d5:d5:c0:f8:a3:a5:32:fb:09:a3:46:40:32:8f:67:1f
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate rfcca.umich.mx
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for rfcca.umich.mx
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
rfcca.umich.mx
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Certificate
The complete raw certificate details for rfcca.umich.mx in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFVDCCBDygAwIBAgISBIjWEOLV/1yPOFuKVMklSgrJMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MDYxNjI4NDJaFw0x OTA5MDQxNjI4NDJaMBkxFzAVBgNVBAMTDnJmY2NhLnVtaWNoLm14MIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA52GBDu1Vi40lHOBBLkuudoqVdoyG+Kyn M58KjpJytA/HdEJtkNYgcQSQF2p91bTrC1u1Yvq2zfMqLjYuB7r7y2iuJr047KQv aFEbw4DLPSW4zoDV2McNotQq99m23+ZeFxOOHjf/Ij0oMMGRHeLiyeybRwvl2/MP oMi119wlSLJT4zuOLe3BtIU58grT/da/2WQiKaGCZ0shQ0YGE1eiX5BfpJO3dGAl LxNC0WW4XpkA6o/Is386X/AVlENyXJiBuUus47NHjoDqjFqff166eCgsIuvvbcXd T4tfn7Jz73FBObeyMUWe9aHMjFcWWyU9QRneCzNup++iHxqWPo5jPwIDAQABo4IC YzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSXEGJglJgwFC3MlYQ8UhafwbOB uzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRj MGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5v cmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5v cmcvMBkGA1UdEQQSMBCCDnJmY2NhLnVtaWNoLm14MEwGA1UdIARFMEMwCAYGZ4EM AQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHUA4mlLribo6UAJ 6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFrLdXqrQAABAMARjBEAiBtoQCz7h49 jm2IemtRTvik5sXjZylh1hwSe1J+kiBS0wIgO/94tixkcS9LhyyV/0wIR2r9rQRS KsqVyFET+mrdpF0AdwBj8tvN6DvMLM8LcoQnV2szpI1hd4+9daY4scdoVEvYjQAA AWst1equAAAEAwBIMEYCIQC7ntcU493xIYKPC6Ghq4i3dPGLDk6y3i8o8EGvVHMf AAIhAId3xHJSJIdVQCOF+YdOgXPA8qAuiU+NwJxuPyK9ASifMA0GCSqGSIb3DQEB CwUAA4IBAQCWVAdVR+7hjZq049nHaaZvT+VMdfIVGB8lSAMxzvQl2sqDXfwI1cKd OA8F16n0iKWeGAgv568jnbGjGNrAtvh5LE7Z3J6pfLx+z5Z1A+y0Shj9uFgSAbMm j6UWNvKpvPGdVjPyu19gKX8X4u7LV4eyT2tVhDSt8fsNFQKOwGvgCVuy4svQ9fug ruD4uTzkRW0zMHeyin4+iCaVxpdb3e0kJiCCAjeiYZvG1DhVBsreWNCReHEVy0NF CscZPxx1gIcn1TXkqkErC09M5ZiPGYUZ1jkcPAnwBQ0VU6pirDHfVWpInlngI3bm zxZh28mdsB208F7tSxzhmjQod6nrkH3d -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA52GBDu1Vi40lHOBBLkuu doqVdoyG+KynM58KjpJytA/HdEJtkNYgcQSQF2p91bTrC1u1Yvq2zfMqLjYuB7r7 y2iuJr047KQvaFEbw4DLPSW4zoDV2McNotQq99m23+ZeFxOOHjf/Ij0oMMGRHeLi yeybRwvl2/MPoMi119wlSLJT4zuOLe3BtIU58grT/da/2WQiKaGCZ0shQ0YGE1ei X5BfpJO3dGAlLxNC0WW4XpkA6o/Is386X/AVlENyXJiBuUus47NHjoDqjFqff166 eCgsIuvvbcXdT4tfn7Jz73FBObeyMUWe9aHMjFcWWyU9QRneCzNup++iHxqWPo5j PwIDAQAB -----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 395012088096915525787391703973919059479241 . . . . . . . . [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 16:28:42 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-04 16:28:42 +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 'rfcca.umich.mx' . . . . . . . . [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 29209129527650852107880347934058537086283732205029298452117401482140292440633391436520134546144572428539054365552640454520997287889404922634449865346158623543232094711851229174039087967108435897906721961333295611520338821002433061885118664689701026556006163589075308006198224378205103065445126319783131219783451143600062016236678343717367929748210680483051285019938321339398355657445189382575338887659029383089450058678596674226438388356269464532719822538631104397428426531542098162378494616039857957528803914032968182983739992883179589857685695000656311264310850089253566377813148632600458654474640562978090596066111 . . . . . . . . . . . . . . . . . . . . [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) 97106260949830142dcc95843c52169fc1b381bb . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rfcca.umich.mx' . . . . . . . . . . . . . . . . [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) 00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b2dd5eaad000004030046304402206da100b3ee1e3d8e6d887a6b514ef8a4e6c5e3672961d61c127b527e922052d302203bff78b62c64712f4b872c95ff4c08476afdad04522aca95c85113fa6adda45d00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b2dd5eaae0000040300483046022100bb9ed714e3ddf121828f0ba1a1ab88b774f18b0e4eb2de2f28f041af54731f000221008777c47252248755402385f9874e8173c0f2a02e894f8dc09c6e3f22bd01289f . . . . [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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