cmb-s4.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:52:1f:28:26:78:b7:cb:40:25:82:6c:16:51:44:92:40:72 was issued on by Let's Encrypt.
With 3 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=cmb-s4.org
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:52:1f:28:26:78:b7:cb:40:25:82:6c:16:51:44:92:40:72Serial Number (int): 289281426422837193641170842439690023485554
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c6:ed:8c:19:1d:b8:d9:65:fa:a1:c8:ff:f6:00:14:d0:e9:b8:b7:ca
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 1a:62:ab:45:d0:d4:0e:e8:ef:a2:4e:90:09:01:2f:75:80:6a:ad:a1
Fingerprint (sha256): 5b:88:eb:ba:b5:47:10:85:1f:54:fa:7f:d7:e4:39:f8:ec:df:74:73:db:bb:a9:1c:ad:88:ac:0f:8a:57:d0:97
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cmb-s4.org
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cmb-s4.org
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
cmb-s4.org
cmb-s4.uchicago.edu
www.cmb-s4.org
cmb-s4.uchicago.edu
www.cmb-s4.org
Other certificates including the domain name cmb-s4.org
(limited to 100 certificates)
Certificate
The complete raw certificate details for cmb-s4.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFczCCBFugAwIBAgISA1IfKCZ4t8tAJYJsFlFEkkByMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMDgyMjI4NDVaFw0y MDAzMDcyMjI4NDVaMBUxEzARBgNVBAMTCmNtYi1zNC5vcmcwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQCZNHOxf8JjVtxNrAycPF632XUyhPuLtgcdmpp1 ch6AKBhSfsIAeWEdQOxpBQr/A9uC64UEl+Zt8GTuRrFSQYUvzqRFZfBGU7kd/cs0 0VAcPlKKCsDL+uJSobimINcrfc3MocgSXxIgr5RAOPmIIElrHiGDWniH377MMM/v IFnffXiNfWrCkdnSITu+J9Xtqwt7QXAvjjCT579ekdWtR37VBpeqtFb57nuFHLnu i6fHYCYKw51YxNTu62lWJI+rR2rthuq9RktUV+oZH0x6pGfkV7m7E8/FU1y6P9LR o3TskC/Jpwh+sk3yrro+xrboPOrAtCxp1mYke17CluqOtPoNAgMBAAGjggKGMIIC gjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFMbtjBkduNll+qHI//YAFNDpuLfKMB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w OgYDVR0RBDMwMYIKY21iLXM0Lm9yZ4ITY21iLXM0LnVjaGljYWdvLmVkdYIOd3d3 LmNtYi1zNC5vcmcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEw KDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEGBgor BgEEAdZ5AgQCBIH3BIH0APIAdwBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWW gXFFWAAAAW7n2ApmAAAEAwBIMEYCIQC8jzYMmHn4lMOLpAkdNwFYiR2GSHTpL4xe aSoztvctBwIhAJ+zg5gyFwhls4dl6BfLR2ISQkgO8L+OUXtGyzJ5T4V9AHcAB7dc G+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFu59gKhQAABAMASDBGAiEA 3hZQxxvle29BqDkUg069/igO8H9Cv+tcZoQ4XlkklfECIQDc5dvbaiEdTiMeJyfH N7KK37Ushy8eHgHxnOW/CYAkHzANBgkqhkiG9w0BAQsFAAOCAQEAe6ffod3Qcj0F v2tKlTPC49vBAohtJrNcJ88M4Se+uOs646bFKEdar5efthIWzPp23qyWo4hLjceQ J8dS8otfgKQ62zYmtZApUF5IN5hZwX0mrVWcMdg7eWmi+EmOIp06dqnsGVT++RRl TbLlKXRUI/JdCpVsTvwlHgJVPqW81p5QrvabUPZgXMosYt1aeLzTRC+doILEjz70 fTHIA0aD8vWEWig4IqlDVETlXNOxpfir4zTmG5g3Q4e0430mivCygaqCKtIw1Y5L AUOxAcJo/hAJVVE62l6YAgY1tiuv6/NT+48a6kNVsUnu7nLHru/POyaXWQkSwnpE bzMqx4rq/A== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmTRzsX/CY1bcTawMnDxe t9l1MoT7i7YHHZqadXIegCgYUn7CAHlhHUDsaQUK/wPbguuFBJfmbfBk7kaxUkGF L86kRWXwRlO5Hf3LNNFQHD5SigrAy/riUqG4piDXK33NzKHIEl8SIK+UQDj5iCBJ ax4hg1p4h9++zDDP7yBZ3314jX1qwpHZ0iE7vifV7asLe0FwL44wk+e/XpHVrUd+ 1QaXqrRW+e57hRy57ounx2AmCsOdWMTU7utpViSPq0dq7YbqvUZLVFfqGR9MeqRn 5Fe5uxPPxVNcuj/S0aN07JAvyacIfrJN8q66Psa26DzqwLQsadZmJHtewpbqjrT6 DQIDAQAB -----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 289281426422837193641170842439690023485554 . . . . . . . . [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 2019-12-08 22:28:45 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-07 22:28:45 +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 'cmb-s4.org' . . . . . . . . [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 19340325669096945847449347832615053559562415033471927608361538391805449275882619014215057327617631084138350791424053769013738082911090659826178277044878899923304149346314839746014121243780898940496111790858101446122978747370962038706670619446100124184862738653847775181567336414802064696675860790998710659757772004824484969035074355105329988339470087609684459421346107349172311613227626917729770228785413179866213557341762970323311690699957363426106567402958926023377282860030560017100851023382972477783495284966458272794260175833655565373263179405982034865623640515700532489628369681586201142050836064849283767400973 . . . . . . . . . . . . . . . . . . . . [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) c6ed8c191db8d965faa1c8fff60014d0e9b8b7ca . . . . . . . . . . . . . . . . [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 (51 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cmb-s4.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cmb-s4.uchicago.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cmb-s4.org' . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ee7d80a660000040300483046022100bc8f360c9879f894c38ba4091d370158891d864874e92f8c5e692a33b6f72d070221009fb3839832170865b38765e817cb47621242480ef0bf8e517b46cb32794f857d00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ee7d80a850000040300483046022100de1650c71be57b6f41a83914834ebdfe280ef07f42bfeb5c6684385e592495f1022100dce5dbdb6a211d4e231e2727c737b28adfb52c872f1e1e01f19ce5bf0980241f . . . . [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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