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:1d
Serial 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.org

Check 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-----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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 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)
		008c1184ec99a69d54742f33f22e30720e71d043eaea1a4e614e7168c92d823b2e571d249cdad81d2cce3d4e5d7d60f8448f8f74b97cf57d8b8c07886b1ed78df4969b6fbf04e6d437eb8da2cc46ed00c503ef5b436402ac3b9b1f23d79d921cea897659c66596e54a2fb67a306049fa6b372649134e1e28e2b8701c7397637ec0c1a2e6f350b915e0c54777aad63601418a6d69e3106bbe7f71a24a5205c3973ed27b03755d9b84ebe424a2a1d5a69678317fec04e205e80a559066fa27be60d04b89b276e5565cc666f730bb95464917c3643d7b6cb7785d28f76565778acb34be661e49901e370c75d93bff33d9e576b6aed6138930cd7cd14ad4536414974b