www.28921.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:e3:af:52:1f:2e:9e:4c:97:1a:c0:c6:a0:ef:20:40:6d:aa was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.28921.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:e3:af:52:1f:2e:9e:4c:97:1a:c0:c6:a0:ef:20:40:6d:aaSerial Number (int): 338813996386386715692024291261483476610474
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: bb:50:db:e4:f8:27:ed:26:61:22:39:84:3c:4d:79:88:77:c2:06:4e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c7:11:72:01:5f:8d:b7:aa:f7:99:a7:5f:7e:58:37:7e:d6:5f:bc:1b
Fingerprint (sha256): 07:23:51:54:65:3e:97:7a:9e:42:1a:c8:62:7d:43:7d:20:4d:65:37:17:4b:83:08:79:2e:47:4a:12:1b:d9:78
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.28921.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.28921.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.28921.com
Other certificates including the domain name 28921.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.28921.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUzCCBTugAwIBAgISA+OvUh8unkyXGsDGoO8gQG2qMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MjYwNjE0MTVaFw0x OTA5MjQwNjE0MTVaMBgxFjAUBgNVBAMTDXd3dy4yODkyMS5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQC4h0GnNGmcfHDyv/i9Fz9rcHQpSkm3hMBv HMueGFa0wd5l5555d5mxNhZDbyfzgOHyLHv7RBjnLBTXy4wrS/+JclAgg+gnjLGL VTDphUcOKunM2qP3oYhXRpImNMgpU+zZYmpFbdZ7VpS3dkwz11Q1bWHP1eKbb1bj KGe/BxX0IqeOwYuO8/MJeBsc34ZyH/wzRsuRNNNvsXOsIt56zhyb8Xn9YZy5CSwQ cuBmUJQndE05uQLjVRKEd1Y1D1UXmpm6oMySQ+smIE7erto/v7OljrL3ExNdBJs/ lUHzUS0HPVfLO2PR6ghywZn7Ebp31tYmoEjj9d/UGDS2h1wraGN85aJjiGYaPspD CTESLCul6umS0dwL7ksexVWsWIe+NZsoq/AUL/Jpspsk+nFg+S1nqzlJUrdaiR88 n8ZFHu4SKLMGBK2yJNPCGrjUdsCB0WeZuhysxBRL8nbXWwXzzjI1Z+ftxfnF/bAA HujED35UayTFjIbvdp31kinh9ueLdbucF2nTKcDNMDcTKFOg+VUkdK/isbilk248 thF/yCR7lHFpqPTFoROg96+g4nyaukTo2iMZDpJbNfGXa6vc4L4HVppkaLpC69QQ x5O5+RHEjVekZlzLHBwCceOvPnuknV7n3FsQfvdAU9LICRDoQq6bTpkUy+nwLu0I eecafLTOnwIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBS7UNvk +CftJmEiOYQ8TXmId8IGTjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4yODkyMS5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHz APEAdwB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWuSoo/1AAAE AwBIMEYCIQCXfJ4eQz+zokUcg6NbXc61foTD3mC7kFmno1om1qPBdAIhAJVBciVH /jw9Oa0Km1pQSqsPHBq33xUcIwH9TXkMzpmmAHYAKTxRllTIOWW6qlD8WAfUt2+/ WHopctykwwz05UVH9HgAAAFrkqKP4wAABAMARzBFAiA31Bo1wsK5V69hh6fExXFr OeyHxCWnT/crxs9GSuCiFAIhAI0CG+TsPHaXARTKn7A1dYYe4mDdC91VYzMbHZU7 4b7OMA0GCSqGSIb3DQEBCwUAA4IBAQB8AKGtLTrFLiRT6xTio6vOCGTPbRX90czm FobcsrP+NhXHZysUoivVvPucO7WeoI1g8KVwsT5LONK1BDit2NQXBnFwAQnElZHv mcdMi4KOljL6CcVNL1AthhN9LSRm9tY/zcQ0pdQH1+ZufyHDz0gUnz9vqPpICaLJ ccFZvWCUuEjycORbnKZhGX42dVzMlLgECHTOdvTGlD5XW6XIrJIyFoDLQPwCr8Bj dfbFz6Va0ArN5vpzPSmyasJoziQ978srSsAd7BEi7Rmw0+WrsNdsnnjz1VLqDGyn qRB7SXZK/ZnEEkfh84AYQxbhp/MKjN97L4a/Nh5TIAPymhOx9Rl1 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuIdBpzRpnHxw8r/4vRc/ a3B0KUpJt4TAbxzLnhhWtMHeZeeeeXeZsTYWQ28n84Dh8ix7+0QY5ywU18uMK0v/ iXJQIIPoJ4yxi1Uw6YVHDirpzNqj96GIV0aSJjTIKVPs2WJqRW3We1aUt3ZMM9dU NW1hz9Xim29W4yhnvwcV9CKnjsGLjvPzCXgbHN+Gch/8M0bLkTTTb7FzrCLees4c m/F5/WGcuQksEHLgZlCUJ3RNObkC41UShHdWNQ9VF5qZuqDMkkPrJiBO3q7aP7+z pY6y9xMTXQSbP5VB81EtBz1Xyztj0eoIcsGZ+xG6d9bWJqBI4/Xf1Bg0todcK2hj fOWiY4hmGj7KQwkxEiwrperpktHcC+5LHsVVrFiHvjWbKKvwFC/yabKbJPpxYPkt Z6s5SVK3WokfPJ/GRR7uEiizBgStsiTTwhq41HbAgdFnmbocrMQUS/J211sF884y NWfn7cX5xf2wAB7oxA9+VGskxYyG73ad9ZIp4fbni3W7nBdp0ynAzTA3EyhToPlV JHSv4rG4pZNuPLYRf8gke5Rxaaj0xaEToPevoOJ8mrpE6NojGQ6SWzXxl2ur3OC+ B1aaZGi6QuvUEMeTufkRxI1XpGZcyxwcAnHjrz57pJ1e59xbEH73QFPSyAkQ6EKu m06ZFMvp8C7tCHnnGny0zp8CAwEAAQ== -----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 338813996386386715692024291261483476610474 . . . . . . . . [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 06:14:15 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-24 06:14:15 +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.28921.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 752809970253499540454290446696772412175166558938074566213084594867977856914865061177082212883080037081834406273335652132582786775494051781552174337661448057747207732824408437293776578058071098595280641053131698204460154076215061079620190936029700150912016537406191398524746270675144577688307358174949041854887456274262587973704989471185000341423498304504958702029148717349929816394613922128661681491587746722405832553229943992274991335209841284741579465541575784492668552046814934221451643181278345939610438437570740693755888746899927573888595921343950011350331436473276216162577113244892576503752308936354816931356187420464159984485420165182781292678284137663093869050554133074321959273994717363551976028187199550930872794420427944172274857816607097774972532895515157243478858919454022992369854069332489417769877382277091230661361287610416306861011523074170616988658046585727377218674533021183460775921255228059257929099410595269655577860857361609187513670316684786218528362254678376762889051454265168872563093086107549724030343234358083838817187539564179506371783216287884931962117684285372172742456161613260082279705258860197471484462033622682151911986295557246594605139291903201288111717572484604636271363832244539263790859210399 . . . . . . . . . . . . . . . . . . . . [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) bb50dbe4f827ed26612239843c4d798877c2064e . . . . . . . . . . . . . . . . [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.28921.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b92a28ff50000040300483046022100977c9e1e433fb3a2451c83a35b5dceb57e84c3de60bb9059a7a35a26d6a3c1740221009541722547fe3c3d39ad0a9b5a504aab0f1c1ab7df151c2301fd4d790cce99a6007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b92a28fe30000040300473045022037d41a35c2c2b957af6187a7c4c5716b39ec87c425a74ff72bc6cf464ae0a2140221008d021be4ec3c76970114ca9fb03575861ee260dd0bdd5563331b1d953be1bece . . . . [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) 007c00a1ad2d3ac52e2453eb14e2a3abce0864cf6d15fdd1cce61686dcb2b3fe3615c7672b14a22bd5bcfb9c3bb59ea08d60f0a570b13e4b38d2b50438add8d4170671700109c49591ef99c74c8b828e9632fa09c54d2f502d86137d2d2466f6d63fcdc434a5d407d7e66e7f21c3cf48149f3f6fa8fa4809a2c971c159bd6094b848f270e45b9ca661197e36755ccc94b8040874ce76f4c6943e575ba5c8ac92321680cb40fc02afc06375f6c5cfa55ad00acde6fa733d29b26ac268ce243defcb2b4ac01dec1122ed19b0d3e5abb0d76c9e78f3d552ea0c6ca7a9107b49764afd99c41247e1f380184316e1a7f30a8cdf7b2f86bf361e532003f29a13b1f51975