comiso.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:44:6a:00:67:ab:43:84:a8:cf:2b:75:2d:f8:a6:2d:8b:ef 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=comiso.org
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:44:6a:00:67:ab:43:84:a8:cf:2b:75:2d:f8:a6:2d:8b:efSerial Number (int): 371729244947875104021639526114619265223663
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 59:f9:3b:7f:51:92:bc:65:44:69:02:ef:59:ce:6e:8f:1c:5c:42:e9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 06:2c:4a:82:3e:37:46:1f:88:ab:0d:0a:5a:b3:16:20:a2:c7:9c:0a
Fingerprint (sha256): 3f:07:74:48:31:63:5e:9c:5a:3f:68:b1:b7:88:54:3c:4a:ec:63:39:53:c0:71:54:45:ee:bc:d1:d5:8b:c2:9e
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate comiso.org
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for comiso.org
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
comiso.org
Other certificates including the domain name comiso.org
(limited to 100 certificates)
Certificate
The complete raw certificate details for comiso.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTTCCBTWgAwIBAgISBERqAGerQ4Sozyt1LfimLYvvMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMDQxMjMwMTdaFw0y MDAzMDMxMjMwMTdaMBUxEzARBgNVBAMTCmNvbWlzby5vcmcwggIiMA0GCSqGSIb3 DQEBAQUAA4ICDwAwggIKAoICAQDO1++MJ+i8yrRD586f2J2uCaQDSO8j/tjXv/pi OXBTHnaPdKTqwOTJR5W+PL3bV7cOJ2QKOsC8N+aPirGWWl7A3VgHZDm9QXurwCiL BkrtWTNPcXIYtxhVq26r5gtjgFVhx1bx3k/A/QwT4nmMeueeHn7gQInDxH9NzSL0 kq5RX675O/v2PpB3GZdI1U4pAmechC2g0uvvUtaNAQFiFD8nA2SWtpWMJqjPaBg7 Cj7g2O/h6RPxiGel4jJQ6+6NRJWTml07tXsVIEbaxlLKW26rYq4hTqFSIOlP+edy EsY3UGtoh0TvdMyLqTs1H2gJ5W5sxbq5R3CKrpu+O+IZ6KF9vFaBsBvyFnq3Xn2w 99P5ulHI6ZIKpNWDy5IL5l6XT+/QMeC5I5zjaZC03e8WnmfxDpgHG6HwZpq6/Itc PVg9kM6EEwj+p6PuYiKMev/O4yUXT+HgoAGR0yS0V7wok9MscHsEveU/KZ4kIiOr jgnsyrNVDOXZ2TMvHwch6ux0uUWIfh2bYmYngPSo1HaNsNPVIkrGKoiNZXgLW6CY kzuGzqI+4rNaLDjLE/0m8HBrrAJ/c9bAeBAAW9DFX6Zd+/CYrr2K7NlEA1xkYLnI Eut2UNFxag8CaOTSsPI8c0fZeZBKyZfibwKAH2gJNTFeOMR8XHFnpQ3dtJVfZ40T cPKZJwIDAQABo4ICYDCCAlwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRZ+Tt/UZK8 ZURpAu9Zzm6PHFxC6TAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMBUGA1UdEQQOMAyCCmNvbWlzby5vcmcwTAYDVR0gBEUw QzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDov L2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdwDw laRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW7RGrIoAAAEAwBIMEYC IQDWfZ8SVjRSJ2Zn0EX1pSEcjIwszGQF5HFOHeNNp7DK9wIhAMByrRocwT04rIzp lZvHo3WPrnwP+uoNnr1tFk1oar4TAHYAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ru vGE6GmnTohwAAAFu0RqyTwAABAMARzBFAiEAlo3FawmGypcUxDpgk/8JLwmgd4pf dmwlAPmEx2c8YdgCIGT1TxyxDVQU/QmVdrMNa/nk1cTT9Uo4dIV+n7wD9/koMA0G CSqGSIb3DQEBCwUAA4IBAQAe++i4LSX8zu6lIlQFCrQpGAONCr7t3zOvebnqEy/O a0QbQMDTxdxqRA2uhQGZcJxbu5LFH7haGOQoldJJR8EjJpZ5kxxPtYCpUAzIFKSN e0A4BfmEXo+8G05LHrxxSiLxRtYJzNuHZ+PSqQHT4/5nYgyTHFC4jOhN+5CRb61A 02gBCzzeYZff5i92THsptGIjt7Vl5OXBC/a8RyyOZLOatY8PsIvLPxrPNslt+2Nm wAZq3bPlwIpUHT9NfPYZyGpPqv/fcQFu9cTOtkujPYJ87Vnmd1CmAzOGEDE6+7we CE1MHEpzCe1Ij/lHVK7K1UpvRxvkGhu4lqmPZU5W2pyq -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAztfvjCfovMq0Q+fOn9id rgmkA0jvI/7Y17/6YjlwUx52j3Sk6sDkyUeVvjy921e3DidkCjrAvDfmj4qxllpe wN1YB2Q5vUF7q8AoiwZK7VkzT3FyGLcYVatuq+YLY4BVYcdW8d5PwP0ME+J5jHrn nh5+4ECJw8R/Tc0i9JKuUV+u+Tv79j6QdxmXSNVOKQJnnIQtoNLr71LWjQEBYhQ/ JwNklraVjCaoz2gYOwo+4Njv4ekT8YhnpeIyUOvujUSVk5pdO7V7FSBG2sZSyltu q2KuIU6hUiDpT/nnchLGN1BraIdE73TMi6k7NR9oCeVubMW6uUdwiq6bvjviGeih fbxWgbAb8hZ6t159sPfT+bpRyOmSCqTVg8uSC+Zel0/v0DHguSOc42mQtN3vFp5n 8Q6YBxuh8GaauvyLXD1YPZDOhBMI/qej7mIijHr/zuMlF0/h4KABkdMktFe8KJPT LHB7BL3lPymeJCIjq44J7MqzVQzl2dkzLx8HIersdLlFiH4dm2JmJ4D0qNR2jbDT 1SJKxiqIjWV4C1ugmJM7hs6iPuKzWiw4yxP9JvBwa6wCf3PWwHgQAFvQxV+mXfvw mK69iuzZRANcZGC5yBLrdlDRcWoPAmjk0rDyPHNH2XmQSsmX4m8CgB9oCTUxXjjE fFxxZ6UN3bSVX2eNE3DymScCAwEAAQ== -----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 371729244947875104021639526114619265223663 . . . . . . . . [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 2019-12-04 12:30:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-03 12:30:17 +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 'comiso.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 843847853518368612233761417920370167362238472333388499618809082763419301115047898395192215068887645359872969816955005572258758998280897759678710119652551084752609742472666466833460978892121384781624659420970898774679089522736075111773185448425057895481364531240750894548989393026095764397532336894767275052595140691739614352396726870606089033467451711265444043315488296736961971407477479536654419823214010148397797833198105668344841646528176534439789769373614112866808402790810054581438598677299236454816929548494602961622810897502767481604418228852026048436281344528981834214057204813023389932432745676431902831086593506523500098631543880219517709904641136475030484573777011991163413764179957859530027083267221724173086225862168491791761452263515717481543558809074923220933752393248269816452001149272021937237994352242143038344886137029574741198489087487182751895056761520866596796633061314632724758645850748269150677820167508090795642324588508011488506222633740029604211156920991679998409805183704304561024252578315735486759437770689972224438497380305970018634508190910336165910464926383329295027185131871107145102344857073482642526396579463746395567635799656332787096574035874214528764446853645367368991269135205127123901149780263 . . . . . . . . . . . . . . . . . . . . [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) 59f93b7f5192bc65446902ef59ce6e8f1c5c42e9 . . . . . . . . . . . . . . . . [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 'comiso.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ed11ab2280000040300483046022100d67d9f12563452276667d045f5a5211c8c8c2ccc6405e4714e1de34da7b0caf7022100c072ad1a1cc13d38ac8ce9959bc7a3758fae7c0ffaea0d9ebd6d164d686abe1300760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ed11ab24f0000040300473045022100968dc56b0986ca9714c43a6093ff092f09a0778a5f766c2500f984c7673c61d8022064f54f1cb10d5414fd099576b30d6bf9e4d5c4d3f54a3874857e9fbc03f7f928 . . . . [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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