www.internetdownloads.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:80:9f:25:5d:1e:d6:49:0d:00:77:62:02:46:b8:e5:97:8a 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=www.internetdownloads.org
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:80:9f:25:5d:1e:d6:49:0d:00:77:62:02:46:b8:e5:97:8aSerial Number (int): 305104542016181686795716855195397010069386
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: e9:f9:f5:60:91:e3:a3:f4:02:8a:a3:50:dc:0a:ff:43:eb:32:73:66
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b6:d7:03:c7:14:0a:b5:67:a9:d8:ce:7f:c0:6d:bd:65:df:24:f4:7b
Fingerprint (sha256): ba:4b:20:db:2c:83:33:37:7e:8f:0e:2a:0b:e1:fd:2f:36:99:2f:9f:09:0b:35:a7:91:cb:f0:84:33:6f:78:66
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.internetdownloads.org
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.internetdownloads.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
www.internetdownloads.org
Other certificates including the domain name internetdownloads.org
(limited to 100 certificates)
internetdownloads.org
www.internetdownloads.org
internetdownloads.org
internetdownloads.org
www.internetdownloads.org
ourfamilycontinues.life
jeannie.boston
www.deafapp.bible
www.mastermend.com
internetdownloads.org
www.internetdownloads.org
healthy.smart.life
jointpainnebraska.com
www.internetdownloads.org
internetdownloads.org
www.internetdownloads.org
internetdownloads.org
internetdownloads.org
www.internetdownloads.org
ourfamilycontinues.life
jeannie.boston
www.deafapp.bible
www.mastermend.com
internetdownloads.org
www.internetdownloads.org
healthy.smart.life
jointpainnebraska.com
www.internetdownloads.org
internetdownloads.org
Certificate
The complete raw certificate details for www.internetdownloads.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGajCCBVKgAwIBAgISA4CfJV0e1kkNAHdiAka45ZeKMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMjYwNzIwMjJaFw0y MDA0MjUwNzIwMjJaMCQxIjAgBgNVBAMTGXd3dy5pbnRlcm5ldGRvd25sb2Fkcy5v cmcwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCs6zfRjY2RzLmN17+7 Z4KTio8bxlocf3imHYjXxm44udlQjPr4Fn04gC7GQzzLoiSvBmk+YVWCE9yyoE8W yaSb0rVqh7JT9ALbiFj2azmEvANCJUgFI0619s3jHnF2Loeanu7fIvhhxpzLRKdg YMZNxcYe8aHM5dCmbldmfsYKQVKto7NsmuDJkWsXvPFK/T+M4JCJxdk2nueutbcd NzF8Kn2m7JzMLv4lInNXutKPhR4VIgmx1ggFfHTgKvLkxqjoj/XEfFIo6xrQb6jt ZYGZrFS/8JECBpngCNTjLL8WQQr+TOc4bX/kLyuvMtCtgpk5ryvu7oVK5WQVOtxw H96uMc1A4oNpspnvkMAAgqJqNqIFQop0kfTVj6RFv18CvK8D/TuNsZ3W1T3MLK7W CUWncdh0fWdrVQeKoYIdP+DXAn6+t8sHyarm66KPIrapKUXYN2J88t3Y3uSM+4to z6lC/PlfFF8EIy2ZwPF5DVgM1qajaAz6FFXVJj/WTlBgQZPJ0iSOgwM50No5AKfy /LychColFeeA5tjkal/G+v/JaJf3FRt7ichkQiREpDzY/7a6rU428AO3OC914RDX goIbprbaN7UGDNwN0LfbUpPjN++hKNm0HMRAs/MFVXdeE2tP5mzDBDGH1dWL4ulp YlQr472QsVrsj2eB3y6qGk7zywIDAQABo4ICbjCCAmowDgYDVR0PAQH/BAQDAgWg MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G A1UdDgQWBBTp+fVgkeOj9AKKo1DcCv9D6zJzZjAfBgNVHSMEGDAWgBSoSmpjBH3d uubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6 Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6 Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMCQGA1UdEQQdMBuCGXd3dy5p bnRlcm5ldGRvd25sb2Fkcy5vcmcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYB BAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5v cmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgDwlaRZ8gDRgkAQLS+TiI6tS/4d R+OZ4dA0prCoqo6ycwAAAW/g7/57AAAEAwBHMEUCIGZ1Y2kg0MIs0VN+Gpc8ERbc 8lnJgefBzQA2IsH7bq6mAiEAhHxFFU5zuRmH6kk3CcVuc0axrwN0gpjePwWqRfDk GK8AdgCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt74uQXgAAAW/g7/5/AAAE AwBHMEUCIQD9hyzG+gHDPCF+ok+t4AYpV2DxynyCBWzDdghdWpQJcgIgc2nuGdOn 7UEn9AYqQM+A7lGcoZPpcj35MAg5s9jngLIwDQYJKoZIhvcNAQELBQADggEBAFov V31ChkcU+BK2lYn+jL/uuEzhkrc1FqsVdu5sXcuNbtr/sHnhHfgkBC6UNoUW0L4y uYr2QPJkA9dLQSHYg4v9nO2wJnOZvCgFrr4keSmn4bVKPZGJhv1Zf391JNSxiFkR RpyHYfanBpKWDuCrmfLGQ5oAZsuMofzNFOmbyxQV5b3UAxxUiDrYAZt4py9mhQtd /p2axMRktjfY+zb7H4U9tMyWkF2XNRGzwz4lpdE85X14WLKRp4MlLUq5PNIT16bJ oDmCElmyj4Ej2iZbywgmWl+Jj8VIhjcoroYb7z3iq/8dBOBY6IktKhEm3e/48UsU aRVLOTuN2R/Ew/f7Hyc= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArOs30Y2Nkcy5jde/u2eC k4qPG8ZaHH94ph2I18ZuOLnZUIz6+BZ9OIAuxkM8y6IkrwZpPmFVghPcsqBPFsmk m9K1aoeyU/QC24hY9ms5hLwDQiVIBSNOtfbN4x5xdi6Hmp7u3yL4Ycacy0SnYGDG TcXGHvGhzOXQpm5XZn7GCkFSraOzbJrgyZFrF7zxSv0/jOCQicXZNp7nrrW3HTcx fCp9puyczC7+JSJzV7rSj4UeFSIJsdYIBXx04Cry5Mao6I/1xHxSKOsa0G+o7WWB maxUv/CRAgaZ4AjU4yy/FkEK/kznOG1/5C8rrzLQrYKZOa8r7u6FSuVkFTrccB/e rjHNQOKDabKZ75DAAIKiajaiBUKKdJH01Y+kRb9fAryvA/07jbGd1tU9zCyu1glF p3HYdH1na1UHiqGCHT/g1wJ+vrfLB8mq5uuijyK2qSlF2DdifPLd2N7kjPuLaM+p Qvz5XxRfBCMtmcDxeQ1YDNamo2gM+hRV1SY/1k5QYEGTydIkjoMDOdDaOQCn8vy8 nIQqJRXngObY5Gpfxvr/yWiX9xUbe4nIZEIkRKQ82P+2uq1ONvADtzgvdeEQ14KC G6a22je1BgzcDdC321KT4zfvoSjZtBzEQLPzBVV3XhNrT+ZswwQxh9XVi+LpaWJU K+O9kLFa7I9ngd8uqhpO88sCAwEAAQ== -----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 305104542016181686795716855195397010069386 . . . . . . . . [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 2020-01-26 07:20:22 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-25 07:20:22 +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 'www.internetdownloads.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 705447240194677936931120248675092095302186864566312490270471974503996722903626328214921043977101390192627833140963766660407768357824327364652934996343311665842534007841138408251707850542790026025000082551106451720006249202355025016437948842272559516935709883038472538340767460235199403199448276777227143858616143201878444543691279261555520119593684849570944681506854453744157138362357903436408724532947286589623437883826783275181597008201317263739042096070466408644391219762020148464111216579321563846248390940590880227771777278376488894504352802219821605046033730128721547228094300498563376711963184343875139500900181237256980157899442508296694827294895021955841296693544442800399419754023614734442412372196695311616761476971748566594349213806203888144119694588610266525264232089210894405688393669586679738652662397078070581537128080821062533386560313347881157074648583441003466230391211776102342434925924927036325180049064148846859828933247085466320522450836410565082883208890815293643409512490807145786436087245194780806353851611415267933493311800418798255644281247927030721578212667051416466958880692336040467784570554729786295440115013798024476348855361144651572650283041933754071380494178840151550751722641756365632855904023499 . . . . . . . . . . . . . . . . . . . . [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) e9f9f56091e3a3f4028aa350dc0aff43eb327366 . . . . . . . . . . . . . . . . [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 (29 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.internetdownloads.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016fe0effe7b000004030047304502206675636920d0c22cd1537e1a973c1116dcf259c981e7c1cd003622c1fb6eaea6022100847c45154e73b91987ea493709c56e7346b1af03748298de3f05aa45f0e418af007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fe0effe7f0000040300473045022100fd872cc6fa01c33c217ea24fade006295760f1ca7c82056cc376085d5a94097202207369ee19d3a7ed4127f4062a40cf80ee519ca193e9723df9300839b3d8e780b2 . . . . [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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