preferred.info
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:54:e2:55:a0:c9:b0:f3:d1:e0:4c:f0:ff:17:59:fc:92:6c 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=preferred.info
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:54:e2:55:a0:c9:b0:f3:d1:e0:4c:f0:ff:17:59:fc:92:6cSerial Number (int): 290221426750085098689869183598409253950060
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 99:db:9b:f0:63:29:81:e3:f7:ba:f0:62:49:52:09:ce:9a:fc:92:b9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b6:b1:e5:a3:cb:30:93:67:b6:51:df:02:96:bf:55:07:4c:1c:05:d8
Fingerprint (sha256): 42:0e:f0:b7:5b:09:ab:18:0c:a7:0e:92:2a:38:06:c0:0e:d0:68:f7:2c:51:ab:b7:59:54:b8:71:5b:68:af:69
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate preferred.info
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for preferred.info
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
preferred.info
Other certificates including the domain name preferred.info
(limited to 100 certificates)
Certificate
The complete raw certificate details for preferred.info in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVDCCBTygAwIBAgISA1TiVaDJsPPR4Ezw/xdZ/JJsMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MjYxNzA5NDRaFw0x OTEwMjQxNzA5NDRaMBkxFzAVBgNVBAMTDnByZWZlcnJlZC5pbmZvMIICIjANBgkq hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvY+EJNyRfXQ4lBap9DOCFi0AoFAhEAt5 cuh2aI8zckY5N6PICteJnBVvB5y0DF0g51c6tbB851pl3FdD/bL80l4An5THlHpL LQEgnVXYo/pGVc3bx1sSPcL4bsBh3vZbswvPDP55X0fy/nFBo03DaKTjUtwvrgO+ Akypyiy76sGpWrRQrm23zq7fdFTiTnf6V9mQQb2RwSDx2ZNTb0shNf9Y1nTAH2Cr GE12EAyY/6b2ThBBrTOsvbv3niKtK2lyYMTfDIAf39qtl6IzBce7j0w5hghF33WC tuEwZ5LvBCVZOu6x3pYlsQxQNWxnvEzzw43UK/o6chFyCQ/mfrJSmo/0O18Uc/eO B+JkTYgpPEbf68i6tweeGQKtDrQVmKTkD+Jm1jk2AsZkDJu0ENZEgu7q6CLRwyx7 pJw1P78fHCfIUZl8Kw+6eqKv0QmIhnY67Z7j/xkFkg7Ep0iutiX/r4ozhxk4DenD cXm83ZU9M45XHeY0ZjI4WRkEbo4/lXC/zQ7sr0WFgIfCE05WAtOaLUkTmJG33Baq HUHCjJdLcAAcjVIdPnNPhQnBgiGZtwuprtTQUaFYBpXIE1qQwGfkyqnr5e/Q+9bS Eve6iiKIDdIUl3Q68kahTfW3hCFsfHF4k5Dpy/zHThX4JPwPQne42EWzp5DhetLV V6xoLz9r5FsCAwEAAaOCAmMwggJfMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUmdub 8GMpgeP3uvBiSVIJzpr8krkwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo 7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQt eDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQt eDMubGV0c2VuY3J5cHQub3JnLzAZBgNVHREEEjAQgg5wcmVmZXJyZWQuaW5mbzBM BgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIB FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUE gfIA8AB2AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABbC95dIkA AAQDAEcwRQIgV0sB9xMGYVRMsf1fL4HLQekk856jOxOo2S+BoZsI5rACIQDVtIq+ ZJaaGY4w4GiuCgKS6HuQTkFjF1KsJLm6HJEPLAB2ACk8UZZUyDlluqpQ/FgH1Ldv v1h6KXLcpMMM9OVFR/R4AAABbC95dKYAAAQDAEcwRQIhAOdO1SUn8Hd8mGBjV5hi wSvWet8Fp+kGzA+DP7TjU3t/AiA1TZkOORrmAUspOI1O+Q+ftMuozg7/hXyuL60S CE68ZTANBgkqhkiG9w0BAQsFAAOCAQEAABRnFXw5VghAkKhMma6mG5Sxn7mD6qTU N0+3O6YfPmKc5ex94ujNa5VLgJXjxcCja8KxhsBrd0Y8QCq5GOJmCfS1J+7Rj6hX T8bZL34yjSq+sQrxuqIOXBz9ElCvtEfbL2NO2XjmmpQ8AslEWRBUsybt9wHbU9Kg jwMJhmZynIgRfuknlZV/1drlo1Ncwb4EakJ4ahBuzvVpEgEgL2HmLz26sj1M0pNH UK4a/czQGK/oy24axR7f451pa9pyz4odW1E6pjCBGwWEdjamnUKYpJ0vLEDdLMuk P3zY3Wn1bXrVy08WBVkPg7MVwcv61h1LeS1CHbSoqnHLgRHuVgmZYw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvY+EJNyRfXQ4lBap9DOC Fi0AoFAhEAt5cuh2aI8zckY5N6PICteJnBVvB5y0DF0g51c6tbB851pl3FdD/bL8 0l4An5THlHpLLQEgnVXYo/pGVc3bx1sSPcL4bsBh3vZbswvPDP55X0fy/nFBo03D aKTjUtwvrgO+Akypyiy76sGpWrRQrm23zq7fdFTiTnf6V9mQQb2RwSDx2ZNTb0sh Nf9Y1nTAH2CrGE12EAyY/6b2ThBBrTOsvbv3niKtK2lyYMTfDIAf39qtl6IzBce7 j0w5hghF33WCtuEwZ5LvBCVZOu6x3pYlsQxQNWxnvEzzw43UK/o6chFyCQ/mfrJS mo/0O18Uc/eOB+JkTYgpPEbf68i6tweeGQKtDrQVmKTkD+Jm1jk2AsZkDJu0ENZE gu7q6CLRwyx7pJw1P78fHCfIUZl8Kw+6eqKv0QmIhnY67Z7j/xkFkg7Ep0iutiX/ r4ozhxk4DenDcXm83ZU9M45XHeY0ZjI4WRkEbo4/lXC/zQ7sr0WFgIfCE05WAtOa LUkTmJG33BaqHUHCjJdLcAAcjVIdPnNPhQnBgiGZtwuprtTQUaFYBpXIE1qQwGfk yqnr5e/Q+9bSEve6iiKIDdIUl3Q68kahTfW3hCFsfHF4k5Dpy/zHThX4JPwPQne4 2EWzp5DhetLVV6xoLz9r5FsCAwEAAQ== -----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 290221426750085098689869183598409253950060 . . . . . . . . [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 2019-07-26 17:09:44 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-24 17:09:44 +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 'preferred.info' . . . . . . . . [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 773339818554434964491952958667092507798479136175544210523523727375781323192606594978962051720732272509431067193990865434713559348635101851593146351971263922392863188549170413602512819673527556559820698189258472939482349565294893879521163462323543935044253067199704656940812252856057148164626872343347694620697148871959107498200475241872688125826682529018436933770824626581333580928597798098412982264548103418660319030057032828571936609810088160103349055972524935981476271113679912884603976756238141765308173267195895080358509361754372719661452353715855772825395405125932666370934472937270747883105076570483430284979836283318208580250698169224257276428263056783295969131526322120553349290699159097559599827550322428832754117248242448143950978402580144577692800917147366988464682876989603535944364030072500057564303978661229276151169251722376520565168516748006403140972734365033994712279840973162938582596193811027585271221590472451408197544052530631398749953417401628422672026504714986423212141848790595115783212400896293045313324524548368658509036841707456691295238565035491062058234376421839966089512557893659621884969910464237252207191259501279265523245602242460290510530915413808051907324209667487434645124521118535973199405638747 . . . . . . . . . . . . . . . . . . . . [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) 99db9bf0632981e3f7baf062495209ce9afc92b9 . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'preferred.info' . . . . . . . . . . . . . . . . [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) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c2f79748900000403004730450220574b01f7130661544cb1fd5f2f81cb41e924f39ea33b13a8d92f81a19b08e6b0022100d5b48abe64969a198e30e068ae0a0292e87b904e41631752ac24b9ba1c910f2c007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c2f7974a60000040300473045022100e74ed52527f0777c986063579862c12bd67adf05a7e906cc0f833fb4e3537b7f0220354d990e391ae6014b29388d4ef90f9fb4cba8ce0eff857cae2fad12084ebc65 . . . . [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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