cosima.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:7a:de:d4:6e:c5:53:1c:b8:bd:6a:68:0e:52:3d:ab:fe:65 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=cosima.net
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:7a:de:d4:6e:c5:53:1c:b8:bd:6a:68:0e:52:3d:ab:fe:65Serial Number (int): 303147498188332219584786771109382395264613
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 11:ca:32:32:55:33:f8:b7:d8:6f:cd:ed:7f:b5:f0:08:25:e7:bd:58
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 8e:57:83:17:d7:8f:5e:cc:01:35:0a:f5:b5:79:80:0a:73:2e:1b:84
Fingerprint (sha256): d9:2f:c9:96:98:15:3b:de:b0:11:08:1e:75:46:be:f3:12:e4:0a:23:36:ed:3a:80:09:78:09:ca:5a:c2:91:ba
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cosima.net
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cosima.net
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
cosima.net
Other certificates including the domain name cosima.net
(limited to 100 certificates)
Certificate
The complete raw certificate details for cosima.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTTCCBTWgAwIBAgISA3re1G7FUxy4vWpoDlI9q/5lMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MjgxMDQ5MzNaFw0x OTEwMjYxMDQ5MzNaMBUxEzARBgNVBAMTCmNvc2ltYS5uZXQwggIiMA0GCSqGSIb3 DQEBAQUAA4ICDwAwggIKAoICAQC+E/L+jeuEfTVjVI6I1b1mJNXLUgfN3ovaEJSv LVeBId7oEHMnVviYjou7zGO2Y3rmjIHrj1UoVcWZnrIoxDYikihTP6h4v5dxJP9o yvM2JsyyG9/ne2V3l/xOg0fK1DARvNGAP7yqu5nH9k2IKuSTj77s9FjDZO81dtgV vXR+4kPnz0czsusQSBAGG/11NmVVwIgxmLaeK7Bp7jITtpLtLGYZE7wwyrp62GUu xcJEmC8r9pvBjqaOwB9LJi1I240d9jPVbKbmFXz60KODcO1TIvVGOSMmLJWD4gVV hSjg6fD3/XZWo8Pkx3GVao94ZW0mOg8RIMMBPoo7cwTRyEyllwRGisCz5JSZ7CYn 84Uo+SdtIcmL09bYygL8cGZSe2lZG1MqOCOSb5JN9X+b2exp2r6cyEmTLKHIVn0G LiU2uWzn9tsywS9BC2eq0y7bxZz9dCppqCZZZj61l4KmD24v6j43+1Ly8txil3ZJ KEkX9Oxd7zg/WZyR+cjCze7AF3oE81Bwgajz1kAGZ+g3jpdMTCjX93V872TVrqUy pMkaINI1edQzwNijzhnjxR+i2mk9QcuUEAN401vJ2weCXnExrWp+Pkh8o/kKr+7p w+8RGPN4gjTzNSMY5lW2iB51npNGRnKilMegdCUYRMJHhD8k4RpGjzj1Dor8qkJA ip0EuQIDAQABo4ICYDCCAlwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQRyjIyVTP4 t9hvze1/tfAIJee9WDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMBUGA1UdEQQOMAyCCmNvc2ltYS5uZXQwTAYDVR0gBEUw QzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDov L2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdgB0 ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWw4ah4GAAAEAwBHMEUC IDf/xbzYksSvMbnUjpvy9J5Q7fpljyugVzuPe33beQT9AiEA0luCFTS/D+3cIlxL 7vZ/ovksvjm0gG2n5loSO6HTL/IAdwApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTD DPTlRUf0eAAAAWw4ahwAAAAEAwBIMEYCIQCmxGeDpz4gRnLGu1LINzectl+kkcVE ZroVsApK0290vQIhAKsFghoVBKOFxKP4yR5osm8yBETd3NXx4GG0KYUMmblFMA0G CSqGSIb3DQEBCwUAA4IBAQAEFf3x2JpXI9xYlJ+rpFUZwAYGuBTAF7NOMR/OCMBQ Xtox6K3KZrZA4+9XlBou2SBdhDYWzwogvCM0K8GfUEQXpqmNx1NwxiOFcceY57TP 4PPo6x/LpFlYbNmdjXAVyl+IneVkaq03ZmmaYQfqt/8HGRdrv0J8i9iGT5EgXeqC isGKAxYlUYY/wRU2BhEek0KkuJAY8B1F56Tzqh9rxVAHdixpQRk57qRltK2r5wtJ 7CSO9njEbZdScSItLZh4OWfkDPjJVkm0x3oO9aPX6FYHWrD9bsa1P3SM/EVy3S7g YD2XOwJaQNbmkBFDmJYi4Ao1eYsMcIq94K44OIx4XiGx -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvhPy/o3rhH01Y1SOiNW9 ZiTVy1IHzd6L2hCUry1XgSHe6BBzJ1b4mI6Lu8xjtmN65oyB649VKFXFmZ6yKMQ2 IpIoUz+oeL+XcST/aMrzNibMshvf53tld5f8ToNHytQwEbzRgD+8qruZx/ZNiCrk k4++7PRYw2TvNXbYFb10fuJD589HM7LrEEgQBhv9dTZlVcCIMZi2niuwae4yE7aS 7SxmGRO8MMq6ethlLsXCRJgvK/abwY6mjsAfSyYtSNuNHfYz1Wym5hV8+tCjg3Dt UyL1RjkjJiyVg+IFVYUo4Onw9/12VqPD5MdxlWqPeGVtJjoPESDDAT6KO3ME0chM pZcERorAs+SUmewmJ/OFKPknbSHJi9PW2MoC/HBmUntpWRtTKjgjkm+STfV/m9ns adq+nMhJkyyhyFZ9Bi4lNrls5/bbMsEvQQtnqtMu28Wc/XQqaagmWWY+tZeCpg9u L+o+N/tS8vLcYpd2SShJF/TsXe84P1mckfnIws3uwBd6BPNQcIGo89ZABmfoN46X TEwo1/d1fO9k1a6lMqTJGiDSNXnUM8DYo84Z48UfotppPUHLlBADeNNbydsHgl5x Ma1qfj5IfKP5Cq/u6cPvERjzeII08zUjGOZVtogedZ6TRkZyopTHoHQlGETCR4Q/ JOEaRo849Q6K/KpCQIqdBLkCAwEAAQ== -----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 303147498188332219584786771109382395264613 . . . . . . . . [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 2019-07-28 10:49:33 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-26 10:49:33 +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 'cosima.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 775450285509544030995991824779271874441501328946011245698142739210965126614782175916711796966503129795197380176538660115969451719637132669528273416683504161003460743322160569253875638566416007740964389077399544421496868987264340239600116918057887906030032288703105866832477145799852794280620252802833787615903283857295468727122223946731484913161775658664253781865092368787870421475369959658767086978772569314256331100697556435106175116849907869998400640274347924968753171362894138689236301433688440533238185502620318675382247868138862950010143790929409939435132883869425277065899603014937497275190043996075510856990887725904880990136051544826307098703669056633412223965750146959242719344735135851610604085298120397427654703085568240614582401815920697842433476249654311688234996777494865047278341979842877522155818850048789886211306368138104130755393884554526782293206949747127826292886720192988800102913410267333600236990672847273638833206429134583287953098320403341473432946133150216679006614009471625287242257679418441527572990149896370392427470842182011382786163672526790305704343423551129504048845882043428624513563351741988059526072181573308202733813007662998915074996442415122831126942796300458308524519195432746876774834308281 . . . . . . . . . . . . . . . . . . . . [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) 11ca32325533f8b7d86fcded7fb5f00825e7bd58 . . . . . . . . . . . . . . . . [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 (14 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cosima.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) 00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c386a1e060000040300473045022037ffc5bcd892c4af31b9d48e9bf2f49e50edfa658f2ba0573b8f7b7ddb7904fd022100d25b821534bf0feddc225c4beef67fa2f92cbe39b4806da7e65a123ba1d32ff2007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c386a1c000000040300483046022100a6c46783a73e204672c6bb52c837379cb65fa491c54466ba15b00a4ad36f74bd022100ab05821a1504a385c4a3f8c91e68b26f320444dddcd5f1e061b429850c99b945 . . . . [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) 000415fdf1d89a5723dc58949faba45519c00606b814c017b34e311fce08c0505eda31e8adca66b640e3ef57941a2ed9205d843616cf0a20bc23342bc19f504417a6a98dc75370c6238571c798e7b4cfe0f3e8eb1fcba459586cd99d8d7015ca5f889de5646aad3766699a6107eab7ff0719176bbf427c8bd8864f91205dea828ac18a03162551863fc1153606111e9342a4b89018f01d45e7a4f3aa1f6bc55007762c69411939eea465b4adabe70b49ec248ef678c46d975271222d2d98783967e40cf8c95649b4c77a0ef5a3d7e856075ab0fd6ec6b53f748cfc4572dd2ee0603d973b025a40d6e6901143989622e00a35798b0c708abde0ae38388c785e21b1