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:a6:71
Serial 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.org

Check 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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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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