www.28911.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:2d:cd:ac:16:56:7f:18:40:25:e7:bb:c2:ce:b3:d3:70:00 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): 03:2d:cd:ac:16:56:7f:18:40:25:e7:bb:c2:ce:b3:d3:70:00Serial Number (int): 276922949573984513709982090058087189934080
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ed:3a:b3:45:c9:a5:fb:6d:3b:a4:5c:75:fd:0b:33:d6:df:4b:7f:6e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): fe:97:28:8e:aa:60:8d:b1:06:00:34:9c:7f:a1:88:6b:93:38:fc:0d
Fingerprint (sha256): 57:47:f1:c1:f0:1c:a9:ab:21:07:69:69:d2:29:da:30:a1:53:f5:cc:e1:63:25:1e:70:d8:a5:4f:7e:06:c8:5c
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----- MIIGUjCCBTqgAwIBAgISAy3NrBZWfxhAJee7ws6z03AAMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMTUwMjU5MDNaFw0y MDA2MTMwMjU5MDNaMBgxFjAUBgNVBAMTDXd3dy4yODkxMS5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDDrd2lQUI7OlY7QTafr+pCWXK+BVBYiltK 07VP8NKJFTpAqbn7MLvU8w67DFuMuwHi+Trg8bhLEO+DV5OXeI0ov62gMnlxszWB LGrC1nI3DOXkvy9pFpq1NJd0NL4l0yLTQO2tgJ9YrG3xcpqVkYML/7oq8UvDrLw0 PPug6LR+ngnoazKf2RmeAR9TzRmVh/ttdpXWqH4cXGvX/9nn74mwXjQAHl272S3Q 7J0H+RSSaK7ssGepd7jLJjnh5mSx77SYLk6vc46gyY9C/jJafywd1SGom1Ep1kmZ +tsyuLM8k8X40sK4HNKSvot733thTg5Vdl6diwGc16gdmfX7hrrMMRjZl1nXUjtA QHis8YFZJo7JgTujvWVp9V4ejP3zGn8zCQvQDxNtOYPa2NNcqtJqLmfTj2dIpU7u coW6zYAmqmqjUq8z2JvmTRF/j4fhL5jlOxJ80LUBNa1njJMfEIp4qZlouzklzzv7 WXk27K2O2jEGmPOyfKjuep85O83uzEmp6kV1pBZc5cAj3xZE8nm5s307E6GenVtm 0eCwXsaqTe2iqJhvfVzBcwbO3k88K0MUyB5ml8wH94Jhx6xHWRujfnC+sE36kY9c Xqmyk7PzL2pgGq2hT7JnBun3Ln100LbEOZsI6GQhHc+XE7tQ2bAAcEFTEQe1Q0Bu pEbM7qfKyQIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTtOrNF yaX7bTukXHX9CzPW30t/bjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4yODkxMS5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAXDcWF4pAAAE AwBHMEUCIQCeros7SjupGfevARStTX+bYmq6iwh+pFLGebKbDBGsRwIgVJBBc8re pxQAqQs38cRYLbbEM1ntwoOoC1WuyjlAhOwAdgCyHgXMi6LNiiBOh2b5K7mKJSBn a9r6cOeySVMt74uQXgAAAXDcWF4cAAAEAwBHMEUCIFMWyv0FwJs3/J4GDbOnYk1H uslSGBKyVmaYg6YNZtOZAiEAlxGKlEDI6h2tHP/hQ/x/AUlPeKl9phGLqGdPqwV4 WbkwDQYJKoZIhvcNAQELBQADggEBAADv0G6x+Z7SLkhx2qd2HaquJsZEteBR3Eo5 1v7UuAenk6shgHmhvJC6zat3vMesskkh39/QeOUHD8KixU5YIeQKSpRupUYeyhXD 6K5DNZd6z4rFTM1fgAZYpAXeqNcdQ7rs/SNhRWZ/rJAt7IBgXNKWS6M3xr6SwfYx eejPVd8oYS4dZ1mcT1RbE8pYB+0vrMhCR3q3owlAyNHWqEsMkRRyPNWsxwFMcgbC qL5PUp+G4R/JB/yhyZ5O3xVtN5NHUjHBM/Fwz4JEOX/uI1Ae4FRKUfH8p+xZfWLH aUq4qxMOeH+GeTbTXek192V9S9HRKxoMCh6eZ+05VV30/0IgfY0= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAw63dpUFCOzpWO0E2n6/q QllyvgVQWIpbStO1T/DSiRU6QKm5+zC71PMOuwxbjLsB4vk64PG4SxDvg1eTl3iN KL+toDJ5cbM1gSxqwtZyNwzl5L8vaRaatTSXdDS+JdMi00DtrYCfWKxt8XKalZGD C/+6KvFLw6y8NDz7oOi0fp4J6Gsyn9kZngEfU80ZlYf7bXaV1qh+HFxr1//Z5++J sF40AB5du9kt0OydB/kUkmiu7LBnqXe4yyY54eZkse+0mC5Or3OOoMmPQv4yWn8s HdUhqJtRKdZJmfrbMrizPJPF+NLCuBzSkr6Le997YU4OVXZenYsBnNeoHZn1+4a6 zDEY2ZdZ11I7QEB4rPGBWSaOyYE7o71lafVeHoz98xp/MwkL0A8TbTmD2tjTXKrS ai5n049nSKVO7nKFus2AJqpqo1KvM9ib5k0Rf4+H4S+Y5TsSfNC1ATWtZ4yTHxCK eKmZaLs5Jc87+1l5NuytjtoxBpjzsnyo7nqfOTvN7sxJqepFdaQWXOXAI98WRPJ5 ubN9OxOhnp1bZtHgsF7Gqk3toqiYb31cwXMGzt5PPCtDFMgeZpfMB/eCYcesR1kb o35wvrBN+pGPXF6pspOz8y9qYBqtoU+yZwbp9y59dNC2xDmbCOhkIR3PlxO7UNmw AHBBUxEHtUNAbqRGzO6nyskCAwEAAQ== -----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 276922949573984513709982090058087189934080 . . . . . . . . [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 2020-03-15 02:59:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-13 02:59:03 +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 798301337760750651816233794765292000742164100901210450784272254168029696330721369024657138086706125674690338900944315161133935855803119794335021741683525758957238795485947966826698755062676308558466262221255202061194418931349540078240285146525472900976035746701752856251546329392440705392866940628963800542769235748977153625027430009609653989124194523142472600942924605849198751084823406089691664411373188298420077800902618657799002975169028190851391261766379470110927726101423282495299259887473195098163306939006781515097764857624676264681213544995706765354529682054355042026763490915029683849364957390570717526699933717454851192120605680055402736435079694650850700887871535142046367282461272794206700178241965570295566475212684756094006626151136962512930755308401973528180505343865029148694067131350961692590498284012839323046558925763961453143449567320951311677174845414045881562552130532306548234653205950778140550578835159169437852204977967196046508497693380665710664056462117640397920819751165876046219425660197484146069450326828568928324150876317713035279541579112205549894031377010798798908644146527900602870162906306925519333661137591585492081194988240936358910166421012351452667595175641382608061024985131521656601595857609 . . . . . . . . . . . . . . . . . . . . [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) ed3ab345c9a5fb6d3ba45c75fd0b33d6df4b7f6e . . . . . . . . . . . . . . . . [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) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170dc585e2900000403004730450221009eae8b3b4a3ba919f7af0114ad4d7f9b626aba8b087ea452c679b29b0c11ac47022054904173cadea71400a90b37f1c4582db6c43359edc283a80b55aeca394084ec007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170dc585e1c000004030047304502205316cafd05c09b37fc9e060db3a7624d47bac9521812b256669883a60d66d39902210097118a9440c8ea1dad1cffe143fc7f01494f78a97da6118ba8674fab057859b9 . . . . [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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