www.28911.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b9:ef:60:0d:48:05:02:01:7b:2f:ec:0c:79:a5:00:8b:1d 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.28911.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:b9:ef:60:0d:48:05:02:01:7b:2f:ec:0c:79:a5:00:8b:1dSerial Number (int): 324607279896522672316066612622847922703133
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 48:17:54:bc:c6:f6:a4:d1:de:65:61:f1:a2:6a:d5:8c:ff:c3:bc:9b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 42:2a:6d:7c:fe:d5:fa:70:ff:de:d5:b4:77:43:bf:cd:68:cb:09:c1
Fingerprint (sha256): e7:79:b0:c7:71:55:6d:b0:05:e9:0e:fd:8f:13:9d:d1:91:d0:b6:d9:22:93:88:6f:f4:5b:dd:d2:3e:32:33:03
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.28911.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.28911.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.28911.com
Other certificates including the domain name 28911.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.28911.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVDCCBTygAwIBAgISA7nvYA1IBQIBey/sDHmlAIsdMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMjQwMzQ2MjRaFw0x OTA2MjIwMzQ2MjRaMBgxFjAUBgNVBAMTDXd3dy4yODkxMS5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDLCrjc6aCSsz0Zpl9UzLw3KUU6CoP82X+7 A70B4Ky8kGQi6c3TFvLCCV4FvMGTVds8NjT+SluXriKths6NITxeaC6KAr3eDtBZ f46CVeqYxz4TCBAtvOEnSalwXqkHBd+InZgZUdPGzWJWMevAzyYixqQ4+fSdphp6 kDjrTcldQvYKDTYmlxqpeheANdmGHO+JHvEfTmOX2v6etEFUlrx9Z1H4IkmjgaMG 0M3qRIsyr3ybNAW0uA47CpzWl3pP2TIcVHKLVPMGInneusQQaOSpbuMlpM6L+M9x BgqDWeWD8M18XyQKJpJTtjEjkkmdQQwKLDxDmrM8+vLyzDkHioS92pclgOihG7/P 2wEBsLVIAo/enFZQCCxN+Kn3MSRcHKeYE4mnooG8kwS6vG9/w4hM1kM7xUwY0XMV O7/eOQ53AJR1Yy1ADLtcoyyPK4YjxPOTdK37vzJdoRfPzyOTSs3UXcrMX/GXETr2 m87UT8vZiS53m1/A0zi5PrS/tycjQbisdVYReEYQmgnjPjg5az3r5VXH813EMwIY 9ARQN1nfuOQjsRP1Rh61V26q13zj6YmXJhTXOa8T4Dj3QFQnTM8JM0ZODKf7bME7 x1FJw48t2oNQYWziZTxazJaDTGDr0buN/ZcFpVs1/f/u28wp7ukL1uGRt9CA1CTB Sd+Vfaq4qwIDAQABo4ICZDCCAmAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRIF1S8 xvak0d5lYfGiatWM/8O8mzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4yODkxMS5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEGBgorBgEEAdZ5AgQCBIH3BIH0 APIAdwDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWmuBW4RAAAE AwBIMEYCIQDV2vKfKgV8yG2it7eQ0M7pYUmWFqg9rVEKKFn60/dLSAIhAIV3ZNCH oPTEEDYGBc3/OnQqeSWL/J3HBN6o163d9MgAAHcAY/Lbzeg7zCzPC3KEJ1drM6SN YXePvXWmOLHHaFRL2I0AAAFprgVuFQAABAMASDBGAiEAlVuthmGVmQgb2OtmJYxa jMLq5RopYABrFP1JQPdSZk0CIQDKL1Iay3cVKGEsEjD2UkaHc61n9ZpQL1UR87Rp 6/J4uzANBgkqhkiG9w0BAQsFAAOCAQEAjBGE7JmmnVR0LzPyLjByDnHQQ+rqGk5h TnFoyS2COy5XHSSc2tgdLM49Tl19YPhEj490uXz1fYuMB4hrHteN9Jabb78E5tQ3 642izEbtAMUD71tDZAKsO5sfI9edkhzqiXZZxmWW5UovtnowYEn6azcmSRNOHiji uHAcc5djfsDBoubzULkV4MVHd6rWNgFBim1p4xBrvn9xokpSBcOXPtJ7A3Vdm4Tr 5CSiodWmlngxf+wE4gXoClWQZvonvmDQS4myduVWXMZm9zC7lUZJF8NkPXtst3hd KPdlZXeKyzS+Zh5JkB43DHXZO/8z2eV2tq7WE4kwzXzRStRTZBSXSw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAywq43OmgkrM9GaZfVMy8 NylFOgqD/Nl/uwO9AeCsvJBkIunN0xbywgleBbzBk1XbPDY0/kpbl64irYbOjSE8 XmguigK93g7QWX+OglXqmMc+EwgQLbzhJ0mpcF6pBwXfiJ2YGVHTxs1iVjHrwM8m IsakOPn0naYaepA4603JXUL2Cg02JpcaqXoXgDXZhhzviR7xH05jl9r+nrRBVJa8 fWdR+CJJo4GjBtDN6kSLMq98mzQFtLgOOwqc1pd6T9kyHFRyi1TzBiJ53rrEEGjk qW7jJaTOi/jPcQYKg1nlg/DNfF8kCiaSU7YxI5JJnUEMCiw8Q5qzPPry8sw5B4qE vdqXJYDooRu/z9sBAbC1SAKP3pxWUAgsTfip9zEkXBynmBOJp6KBvJMEurxvf8OI TNZDO8VMGNFzFTu/3jkOdwCUdWMtQAy7XKMsjyuGI8Tzk3St+78yXaEXz88jk0rN 1F3KzF/xlxE69pvO1E/L2Ykud5tfwNM4uT60v7cnI0G4rHVWEXhGEJoJ4z44OWs9 6+VVx/NdxDMCGPQEUDdZ37jkI7ET9UYetVduqtd84+mJlyYU1zmvE+A490BUJ0zP CTNGTgyn+2zBO8dRScOPLdqDUGFs4mU8WsyWg0xg69G7jf2XBaVbNf3/7tvMKe7p C9bhkbfQgNQkwUnflX2quKsCAwEAAQ== -----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 324607279896522672316066612622847922703133 . . . . . . . . [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 2019-03-24 03:46:24 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-22 03:46:24 +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.28911.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 828338614701673481816745024853680619630384135466792521714536425300966144906580090453636922726516751064857224598884920091854434333225662096967262349411747429629817918055958270784450593019654989650366749651889118410954039685681685599576529755741988280318418007930665890945584550208403267125347842675951896031763218332241291250750673333686295578917897161422578323346929123904798283289986766001510913656229173258784783302555565605505523695818237947095833302350401468753592786420872542471726481318311346726409523833436506807404168402245764941084539442910195838534114822963193698657379071124302235292061314934632637806880528930706409059844962764650544594527770266672329007329521829652031534142506784953194225670629854754294471762115609683384926214408850564167304442326700954327323639550534266938316129092467340557438935381563660481971622266754392128968410997414172306664439460504788807413319838692152009618620996258750641328697109463006870193666257466691932233376600046120338429981494665098039068791539204177572171173377057836124866535840968534086851720715754466025630883314361235369318945282281863357113130673272022798785960238974256814149799768587408625214992088671544839518835780741471620916958730805769538140208620620320847658031429803 . . . . . . . . . . . . . . . . . . . . [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) 481754bcc6f6a4d1de6561f1a26ad58cffc3bc9b . . . . . . . . . . . . . . . . [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.28911.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) 00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169ae056e110000040300483046022100d5daf29f2a057cc86da2b7b790d0cee961499616a83dad510a2859fad3f74b48022100857764d087a0f4c410360605cdff3a742a79258bfc9dc704dea8d7adddf4c80000770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169ae056e150000040300483046022100955bad86619599081bd8eb66258c5a8cc2eae51a2960006b14fd4940f752664d022100ca2f521acb771528612c1230f652468773ad67f59a502f5511f3b469ebf278bb . . . . [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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