www.iijco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:7c:6d:07:1c:6c:03:1d:81:4e:9c:e2:97:2f:60:60:d1:4e 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.iijco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:7c:6d:07:1c:6c:03:1d:81:4e:9c:e2:97:2f:60:60:d1:4eSerial Number (int): 390789079999320996208194944296970759491918
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: ea:5c:88:44:0b:c4:2c:9d:5c:7e:33:c6:6d:6e:0c:8b:62:ba:f5:09
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 96:43:a3:6a:cd:d3:d3:b3:1f:8a:21:1b:b9:13:a5:54:35:e5:3d:e9
Fingerprint (sha256): 1a:ba:03:e7:69:d7:51:0f:9f:e5:3e:c2:d4:f0:49:f8:ca:d0:07:fa:19:65:89:c9:ce:2b:f9:e6:62:44:93:f2
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.iijco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.iijco.com
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.iijco.com
Other certificates including the domain name iijco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.iijco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVDCCBTygAwIBAgISBHxtBxxsAx2BTpzily9gYNFOMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMzExMzA4NDBaFw0y MDAzMzAxMzA4NDBaMBgxFjAUBgNVBAMTDXd3dy5paWpjby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQD0oKa9aI2BT6XbNG7kTNZlGhQOyNOSvYO0 hZoefg51HlLKgcTCu1Z7kotSor8FJfPHpnBudxNkhhgLKxtpXe8zzMxO+J7JYMVw CpS9lrVOBLcMx6RHaCbyjuJyCtSunta6giTZcfe49vRn/16p0x5FapleF/JJli/9 aB/q4idwErXtlJVDObbCi5+jgSc3L/N0HcgaGAgNSreQGVElvlY5uuXQm3RHfPlh oSUyhCHu4sQOAeeogtgcMAV42VA1zwZq9MU25k1f9M5KDfvSQLoiLWh4s/lwo4LM TvwCMdY04rQagKBtTZw/Lfk0iwHYNW6gEeneXO4N+NUemhBXn/qBbGM1Aqpezl0x ernTe3slHsq1XjXnAe+YlzMK95VNzJC5tmYODOv4t+ZHm8TkY+Ifc7B3h6RYIrSM 7zDMaCmuZntOoVCn3npcb0z2SfwYTZDRdNu+wMxLI/++q5MEMsh147hTCK2V7gMc IdQ2C7FOetylebu5CToaPb0F0qYVcMyrKE7xCjz92f9WUe+11qDsouGxgShmABE+ zcV52vWtJxJdDRMfrL71UR2wqaQ05D8V0e3p3nq5ctpaJK3LxrKRjgAexpbyZplN AOnA6QQslNE9IaiG7iBXYE/6cguWjkmuEXkE8Bd0fLWKRDJwlMfg7s+akYllM+37 vsLh/HFVOwIDAQABo4ICZDCCAmAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTqXIhE C8QsnVx+M8ZtbgyLYrr1CTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5paWpjby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEGBgorBgEEAdZ5AgQCBIH3BIH0 APIAdwAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAW9cSYo3AAAE AwBIMEYCIQCufTtn+AX6kjsLfRr0DYTdJK8kU90hJcMQw3DiE2sKwgIhAOppimr3 6MvSuxs8deVIyorQil2pMlPR5lGvWNtYzyeVAHcAb1N2rDHwMRnYmQCkURX/dxUc EdkCwQApBo2yCJo32RMAAAFvXEmKZAAABAMASDBGAiEAvdnCyR71oHOBHaAyuqy/ AYWAU9LIpEEKbIm+hsNcq0ACIQD8xb7GrvQmkqMsbtqYJnjs0Cbwx7inzBqo7+kz QLdIVTANBgkqhkiG9w0BAQsFAAOCAQEAh7vkNi3L0EpchCvDlQ39idBPXp6R+w9m D8cdF9aNuY0ENf5WGNn11dSz5ZsICXNlvfP/8i0Z53qXmCVhaVPpKn7AJ5CM6jm9 YaepzrAly02nka5pS89Dkr/zf/Yz+L72SuFPCW5Ds75MHuJKMtVh11OwmEOvK14x X6UUYtCiSQoqFw995m+QVxrKqzr2Fr/kA9hDA8q7F5QKRd4CCRRwfFBI9s+rAsXx mOufdMnbSZ1ENFYpACaaW4HrQOrrDE6AZhigCSW2TGy9kzUMLCGoOtEUGeNAfgd0 XrSTQEWa2vCUBwsR7kW0MPjo194AqL48FASx494nDhDdP4DmxmGXJg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA9KCmvWiNgU+l2zRu5EzW ZRoUDsjTkr2DtIWaHn4OdR5SyoHEwrtWe5KLUqK/BSXzx6ZwbncTZIYYCysbaV3v M8zMTvieyWDFcAqUvZa1TgS3DMekR2gm8o7icgrUrp7WuoIk2XH3uPb0Z/9eqdMe RWqZXhfySZYv/Wgf6uIncBK17ZSVQzm2woufo4EnNy/zdB3IGhgIDUq3kBlRJb5W Obrl0Jt0R3z5YaElMoQh7uLEDgHnqILYHDAFeNlQNc8GavTFNuZNX/TOSg370kC6 Ii1oeLP5cKOCzE78AjHWNOK0GoCgbU2cPy35NIsB2DVuoBHp3lzuDfjVHpoQV5/6 gWxjNQKqXs5dMXq503t7JR7KtV415wHvmJczCveVTcyQubZmDgzr+LfmR5vE5GPi H3Owd4ekWCK0jO8wzGgprmZ7TqFQp956XG9M9kn8GE2Q0XTbvsDMSyP/vquTBDLI deO4Uwitle4DHCHUNguxTnrcpXm7uQk6Gj29BdKmFXDMqyhO8Qo8/dn/VlHvtdag 7KLhsYEoZgARPs3Fedr1rScSXQ0TH6y+9VEdsKmkNOQ/FdHt6d56uXLaWiSty8ay kY4AHsaW8maZTQDpwOkELJTRPSGohu4gV2BP+nILlo5JrhF5BPAXdHy1ikQycJTH 4O7PmpGJZTPt+77C4fxxVTsCAwEAAQ== -----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 390789079999320996208194944296970759491918 . . . . . . . . [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 2019-12-31 13:08:40 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-30 13:08:40 +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.iijco.com' . . . . . . . . [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 997993309768153835321455947067035952754898699286152041315828035149729729864930784658811029769201140528452191705717925445586040557398849879220960164115453169751597825459650141556715318005613358715844000934095903857738593642345266256826852368083341961201103069976192085443180391765751808045984839375879722582945337016291613288176413319429919922158552187223748193079496239173707315837772042099996479281039155844324082789569927900454155613536039428667123871937664658471344552356094146507932592792521640432004901417217819693406317131980590397684548804766060879702165305599459712715835363927342376955858975979329342075847409639701253524934109029553316956709030723751461803632009561590097175556031058533782886499582707726564217341818444086437555862019382587838351709682681929362956160926278412639060107585772005572759157136325880055760895729979442021003974172422367601524078280846978629255368854139790165835377181085955144137926457158319784049065344143889138623027995282004685747921929321580812615689279745222676269254638843421557321396548168718067206935792539807979869016931900728487777099991966096740630298957991508359019597198680447192897530801235084030117792686874493478931256471107495580085034671049049812530106892767031495724392076603 . . . . . . . . . . . . . . . . . . . . [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) ea5c88440bc42c9d5c7e33c66d6e0c8b62baf509 . . . . . . . . . . . . . . . . [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 (17 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.iijco.com' . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f5c498a370000040300483046022100ae7d3b67f805fa923b0b7d1af40d84dd24af2453dd2125c310c370e2136b0ac2022100ea698a6af7e8cbd2bb1b3c75e548ca8ad08a5da93253d1e651af58db58cf27950077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f5c498a640000040300483046022100bdd9c2c91ef5a073811da032baacbf01858053d2c8a4410a6c89be86c35cab40022100fcc5bec6aef42692a32c6eda982678ecd026f0c7b8a7cc1aa8efe93340b74855 . . . . [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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