comiso.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:8c:cb:41:e3:17:56:a9:1b:d6:3e:a1:11:30:0f:8a:a6:71 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): 03:8c:cb:41:e3:17:56:a9:1b:d6:3e:a1:11:30:0f:8a:a6:71Serial Number (int): 309246564552608315428260898588916238165617
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c1:8d:b3:91:5f:e4:ab:56:57:28:cc:0f:6b:00:49:bb:d6:c8:12:b7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ce:05:2c:bd:a5:c7:c1:6c:99:3a:5b:d0:a0:8d:c3:4b:a8:d1:0e:46
Fingerprint (sha256): e9:b9:06:62:bf:79:44:39:27:b4:06:7f:1d:cb:47:52:ce:c3:1b:d6:7e:5c:45:ad:1c:f6:fe:46:25:3c:73:58
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----- MIIGTTCCBTWgAwIBAgISA4zLQeMXVqkb1j6hETAPiqZxMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMDUxOTQ0MjhaFw0y MDA1MDUxOTQ0MjhaMBUxEzARBgNVBAMTCmNvbWlzby5vcmcwggIiMA0GCSqGSIb3 DQEBAQUAA4ICDwAwggIKAoICAQDvgI9eccLd9/hjGBqxzVplTlU8aFu3dzCYVcak KY+NyHs5f+cJUosuLhtm1CEHpl8w2zmJl6Hn7d/rcflav1BSDL8UE3lr3w3CXdIz iGF7QthJhpHqgEPkImzgghPIaFJAt/W8nkby/GcQHAl2wnhKfJ9DZBrmLkyIsdrd HuBjr7jYfVQ8LxIcdYdLoe0R1SZSRPTINFeFhlO9SubkdDIYi1n3zJ2caYS9AB8h Q+SiSPqZx0nWB9YEtEhxGPg0DAzg9KspbGsXUf2VGbOilaORB36uP4T1lzYlxvoq 7Q3q4Fn/gfDtEHY5CjFVAJLsdj91tbdfAPUqChD4Hn4GoW0/7r693g+LEFDzsEaZ cg4Cq7X/kcvUpPlr6i6K7C7en4l2F5HzAaIWlNuKUOfrHe6Gp7+88wI10zIwyfn5 nTGXFALAs94ysqH86pqp5BRYuWiAAnGs8DT3w0vEwUhuDwBHA0GIq79hLuw+oMVH f7ECPUg8W3BGBY0mdcNMrdaPeKXb/wRrU+LxzORbS7p5mG7Lx8yMPD8MQajmcCk1 WMLAc6J0xLWsGBgBNU3uPvW0ftrlsKoJokd8FKjM/WZPAtWRoJxqYvFXj2mdmqnc 5UnsEEoQbnQ5xKpthXfgRQXEZRLlC8ij6K/zURV6VYM7Kfwmn4SlX46ADQnFlXJK gKhsIQIDAQABo4ICYDCCAlwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTBjbORX+Sr VlcozA9rAEm71sgStzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMBUGA1UdEQQOMAyCCmNvbWlzby5vcmcwTAYDVR0gBEUw QzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDov L2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdgDw laRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAXAXGNahAAAEAwBHMEUC IQDQUZ5RH0ktpuiTBuKL/MzZ5WccfPUvzqkU6Zqfvzw/2AIgP6Rv3bUWOyabZGmc UODKUvoMbUGqNJg9pvdNIz/FHfQAdwCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOey SVMt74uQXgAAAXAXGNaVAAAEAwBIMEYCIQCsGq3vepNHKHQDM87OHmSTFWrPTHyK gEce2cSmWBsSDAIhAL4N4X2sk2xmBJ0ViKvgdDD10xBktpJZLUhD1zzXP84UMA0G CSqGSIb3DQEBCwUAA4IBAQAL3tF+AsXF5p3oqCr2oIOdUgP8kp5jOozoBThv2Co9 tCoYc+qAZjItSfy/VL+QJkt6/v1UZBZ/BbGuopt7VJAoE2oKqPxP/hAj7EuZmIQD ckcSFOpUpiX5HTzu/yYTeHfqQoFv4GKwHJanKsbDcP7DsOpYq+sE++ADDt205f12 bHN45DX/kmXoS7RdmRd1xZxUVGWlyXA3IO2D8I/vtejbtLIhyJbRSQzBCWq8XZkw xGqut1axkhSMZHz+ryRhttLjtKFojvikE3WjfU0yg6k4esinkDvEYu1pDJbxAHxo qfm1n5Tu4VFrbcmW/CxR2lj1aZrNAf98uUXtQ4zjKxhT -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA74CPXnHC3ff4Yxgasc1a ZU5VPGhbt3cwmFXGpCmPjch7OX/nCVKLLi4bZtQhB6ZfMNs5iZeh5+3f63H5Wr9Q Ugy/FBN5a98Nwl3SM4hhe0LYSYaR6oBD5CJs4IITyGhSQLf1vJ5G8vxnEBwJdsJ4 SnyfQ2Qa5i5MiLHa3R7gY6+42H1UPC8SHHWHS6HtEdUmUkT0yDRXhYZTvUrm5HQy GItZ98ydnGmEvQAfIUPkokj6mcdJ1gfWBLRIcRj4NAwM4PSrKWxrF1H9lRmzopWj kQd+rj+E9Zc2Jcb6Ku0N6uBZ/4Hw7RB2OQoxVQCS7HY/dbW3XwD1KgoQ+B5+BqFt P+6+vd4PixBQ87BGmXIOAqu1/5HL1KT5a+ouiuwu3p+JdheR8wGiFpTbilDn6x3u hqe/vPMCNdMyMMn5+Z0xlxQCwLPeMrKh/OqaqeQUWLlogAJxrPA098NLxMFIbg8A RwNBiKu/YS7sPqDFR3+xAj1IPFtwRgWNJnXDTK3Wj3il2/8Ea1Pi8czkW0u6eZhu y8fMjDw/DEGo5nApNVjCwHOidMS1rBgYATVN7j71tH7a5bCqCaJHfBSozP1mTwLV kaCcamLxV49pnZqp3OVJ7BBKEG50OcSqbYV34EUFxGUS5QvIo+iv81EVelWDOyn8 Jp+EpV+OgA0JxZVySoCobCECAwEAAQ== -----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 309246564552608315428260898588916238165617 . . . . . . . . [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 2020-02-05 19:44:28 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-05 19:44:28 +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 977083679067702071897148674261311984893965020820524813377174456738329125638147656887261292033915515353095309500840604834660356144786408703054870247410374957788005263616964803104927961461038414622337180127916087142323302251018452324042169331359277401187505426879236187614860442431501777325245906128276709797519397396989521468652103408112559989102209482170370948076907252878857056992879123547582113848049340798314433534241056159693449847888901071894718848435623926498116227893068245369733675443165972463220003471136276638034315347101487104968517682174307847465711517436927500819048987354324372078120142227410378253879419939634107870093922543635147044518738606675630130216468447866652869247500186421981694335541066478034140699548467443349031764630766824424797296743301110802781119542798501031654066599261140822272809594322087126250127547910948324240556101590879701534477758256887554146038021361173381570381117337839344238687985270431455779846116675310124380922499154880633486200625500580298879732874767688963986039563633847591145577834806537161265973954387660314811749883993037600652833677711597009198755575734197066395001207674179249323425091671634678979096842958323995513581095723282255075104836065495347165062261569419124513306078241 . . . . . . . . . . . . . . . . . . . . [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) c18db3915fe4ab565728cc0f6b0049bbd6c812b7 . . . . . . . . . . . . . . . . [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) 00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001701718d6a10000040300473045022100d0519e511f492da6e89306e28bfcccd9e5671c7cf52fcea914e99a9fbf3c3fd802203fa46fddb5163b269b64699c50e0ca52fa0c6d41aa34983da6f74d233fc51df4007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001701718d6950000040300483046022100ac1aadef7a934728740333cece1e6493156acf4c7c8a80471ed9c4a6581b120c022100be0de17dac936c66049d1588abe07430f5d31064b692592d4843d73cd73fce14 . . . . [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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