www.28911.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2e:df:40:e0:ff:5f:cd:d0:30:42:1e:f5:74:31:9b:92:df 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): 03:2e:df:40:e0:ff:5f:cd:d0:30:42:1e:f5:74:31:9b:92:df
Serial Number (int): 277286601387195474275792771874474040201951
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1a:81:11:20:a9:c8:f5:51:e2:3f:f6:e4:32:03:92:8a:d5:f1:9a:8b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9f:70:d4:74:e9:2d:ae:4c:4f:dc:ca:55:90:0e:ab:46:37:15:ee:fd
Fingerprint (sha256): 13:10:0d:a3:de:4e:e0:f5:d7:03:34:e8:04:69:53:ec:76:a8:09:e4:47:cb:9c:bb:fa:4b:ba:fd:66:3f:88:d2

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-----
MIIGUjCCBTqgAwIBAgISAy7fQOD/X83QMEIe9XQxm5LfMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MjYxNDQ5MzRaFw0x
OTA5MjQxNDQ5MzRaMBgxFjAUBgNVBAMTDXd3dy4yODkxMS5jb20wggIiMA0GCSqG
SIb3DQEBAQUAA4ICDwAwggIKAoICAQCpPrG9+OO1e3hhfvDCm4LiYXBvlhQDbjV4
5WThmpqoXe2BCfEoQMwFOMIctt90yq2U0tuiC+BYtKcURI+Tx5gdcaTEGh+pd706
puPGUDdmMwi1Ib11jcF5IGQFUKAH44nflWvxNpOspJd6H0fnwqJWiGAYK/duJjzD
d1ZSWDH/qrn2b3bdzO21UEWupU4gipeF5keCu77ade6QlTRh9tycjWkCDpSMxbPS
T5FkRH8DYjWw6fMrm8cV6sv39v8N1yyqt6qe8tVs9KdUOCV7guwYhMYdMhZQCAOn
TW34W5koZuJ4rBnYMnpvRay2McMWh8e+BIJ2geUiTVVCIyHee+0v0bevWjOihAJp
b8Rq9ZdatCz/gVW5TSQQpr3L/B2xtnBpFbd18iEGSIcU7CiMIahv+VlZIg6X6jBP
F0OE3N8/CvYuT0/jHoijPoVhqo282NrZjMHtODmbnSijwQ1AMADKCdxqn/DIL5Ml
GtTY933tHN0s5T2OVOvpXkYhvX44QhcEA5lV5Gp+Jd2JFy9RpOXLGbE+4KFZ20l9
FPcAIHTJQ07roezEdpf+Jrv85u4Nr8YVv5uqJsf8RadGHc7PPflN/4Zjt75vjJVp
0AD+3eWVmRubc3oXeqft7uO0pMLxA/+Y0O84+XIIDb3dTFLE0MjHJxvouGEv1110
iM1rFmaG0wIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG
CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQagREg
qcj1UeI/9uQyA5KK1fGaizAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js
oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14
My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14
My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4yODkxMS5jb20wTAYD
VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa
aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy
APAAdQBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAAAWuUelcNAAAE
AwBGMEQCIHncoHZvadKqD9ETyzHHKC88Sb0VywZikM/PvbUAzn3jAiBAb5gdIDw4
sHKZZ3Z8UW3g7U71JrpB4xStQ5I1LBlg3gB3AGPy283oO8wszwtyhCdXazOkjWF3
j711pjixx2hUS9iNAAABa5R6Vt4AAAQDAEgwRgIhAKYZoZQ9o1o4rxtTC5pwzZml
Lsx6Qz2K8E7HJJxh4vKWAiEAw8WesHM6uYM1+AN8xwKvdvyFFu91NcQQGTsbZskW
AvswDQYJKoZIhvcNAQELBQADggEBAEdW3OGnrfOS4e3jDsh50DM32Wem3J0spL7d
EOfbro8pUjT9BJChgeglQvPF4cOhcxASagnSwHJkthqLMHULyEwZ789X03Tw5iBi
C1AFRg5QlH+emaXX2JWzeuviXxg7rK+KWlrJ7JuXXF/Z/bCNFFq8Bqi2jcj51mq8
mhIAI1i7BcR4bm+C7tcXY6Gyiw/E3JI0iOU++NKOiTezYRUlr8JCHfw7pNbYW/Tq
z+R3agTHibBWrJ1U68FgScMlrXuaIHocOcwP0JdRcG5BCNOO7bg/8NR6IUCkCPPb
/NMHYk+VFA9kqghzdThv2fcg6Iidp2dwxtXuF3DPcpm3gv0kNQ4=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqT6xvfjjtXt4YX7wwpuC
4mFwb5YUA241eOVk4ZqaqF3tgQnxKEDMBTjCHLbfdMqtlNLbogvgWLSnFESPk8eY
HXGkxBofqXe9OqbjxlA3ZjMItSG9dY3BeSBkBVCgB+OJ35Vr8TaTrKSXeh9H58Ki
VohgGCv3biY8w3dWUlgx/6q59m923czttVBFrqVOIIqXheZHgru+2nXukJU0Yfbc
nI1pAg6UjMWz0k+RZER/A2I1sOnzK5vHFerL9/b/DdcsqreqnvLVbPSnVDgle4Ls
GITGHTIWUAgDp01t+FuZKGbieKwZ2DJ6b0WstjHDFofHvgSCdoHlIk1VQiMh3nvt
L9G3r1ozooQCaW/EavWXWrQs/4FVuU0kEKa9y/wdsbZwaRW3dfIhBkiHFOwojCGo
b/lZWSIOl+owTxdDhNzfPwr2Lk9P4x6Ioz6FYaqNvNja2YzB7Tg5m50oo8ENQDAA
ygncap/wyC+TJRrU2Pd97RzdLOU9jlTr6V5GIb1+OEIXBAOZVeRqfiXdiRcvUaTl
yxmxPuChWdtJfRT3ACB0yUNO66HsxHaX/ia7/ObuDa/GFb+bqibH/EWnRh3Ozz35
Tf+GY7e+b4yVadAA/t3llZkbm3N6F3qn7e7jtKTC8QP/mNDvOPlyCA293UxSxNDI
xycb6LhhL9dddIjNaxZmhtMCAwEAAQ==
-----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 277286601387195474275792771874474040201951
 . . . . . . . . [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 2019-06-26 14:49:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-24 14:49:34 +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 690458950813667059031263139129124617069390652411506709465252845051051998913791941557298368278329780228976082035398615286241079199509887015620682818756015418555154212886663785543318699602302611989845457830001000504847810715486462169847268845915660930135932514640032885547220344181694684439471164765216063625755915472550075538833401962316458799994660470215041119480689403226038313354846052615326405433114426873515157017312794324670757092476880733825550999867307949360338176645028116178644378200659238526186904751237617139741714917209357637077574347500085760926378183837061080747201323912621770163909461904804508135022947926264131101112836523068244852380743112379364345362020731124556032801171820777948596031043935719705784754292423206916420989266793152480581837876999964789822375200266992724652672254879392912828368138021870273198053764319150964583123329668683405700605841403616281254875577543143920300421474499161238561201588265993590535839247973239581577070239253293988089311787385443082101761507349956938227491270848456138638921151022529116619489492183662417296723230106305108936729589505779029803182574242142869722906306940986220196021214812167427828923743586363075464178014933438291791813668208949987392595994452740748843113940691
 . . . . . . . . . . . . . . . . . . . . [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)
							1a811120a9c8f551e23ff6e43203928ad5f19a8b
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016b947a570d0000040300463044022079dca0766f69d2aa0fd113cb31c7282f3c49bd15cb066290cfcfbdb500ce7de30220406f981d203c38b0729967767c516de0ed4ef526ba41e314ad4392352c1960de00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b947a56de0000040300483046022100a619a1943da35a38af1b530b9a70cd99a52ecc7a433d8af04ec7249c61e2f296022100c3c59eb0733ab98335f8037cc702af76fc8516ef7535c410193b1b66c91602fb
 . . . . [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)
		004756dce1a7adf392e1ede30ec879d03337d967a6dc9d2ca4bedd10e7dbae8f295234fd0490a181e82542f3c5e1c3a17310126a09d2c07264b61a8b30750bc84c19efcf57d374f0e620620b5005460e50947f9e99a5d7d895b37aebe25f183bacaf8a5a5ac9ec9b975c5fd9fdb08d145abc06a8b68dc8f9d66abc9a12002358bb05c4786e6f82eed71763a1b28b0fc4dc923488e53ef8d28e8937b3611525afc2421dfc3ba4d6d85bf4eacfe4776a04c789b056ac9d54ebc16049c325ad7b9a207a1c39cc0fd09751706e4108d38eedb83ff0d47a2140a408f3dbfcd307624f95140f64aa087375386fd9f720e8889da76770c6d5ee1770cf7299b782fd24350e