www.flex-sys.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:91:40:50:d2:3d:8d:8a:05:a5:5b:b7:23:eb:af:7c:15:32 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.flex-sys.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:91:40:50:d2:3d:8d:8a:05:a5:5b:b7:23:eb:af:7c:15:32Serial Number (int): 310763291238478473469168126749397571343666
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: b8:35:26:78:6a:79:9c:c4:15:97:63:27:74:24:c2:8e:93:1f:c4:14
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 0e:03:7c:a1:d9:1e:1a:8f:7f:36:2d:66:f2:3a:cf:cc:d8:ba:70:bc
Fingerprint (sha256): 44:1e:d3:f3:b6:cb:9c:a9:e7:8a:5e:9c:61:c6:b5:e3:0c:ee:93:c9:4d:d0:13:68:9f:80:bf:f1:4e:9b:96:7d
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.flex-sys.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.flex-sys.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.flex-sys.com
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beingsought.com
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www.misseddit.com
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doggymaster.com
www.pagoencrypto.io
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787030.com
baccit.com
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aerdingus.com
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Certificate
The complete raw certificate details for www.flex-sys.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVjCCBT6gAwIBAgISA5FAUNI9jYoFpVu3I+uvfBUyMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTcxMjIwMjVaFw0y MDAzMTYxMjIwMjVaMBsxGTAXBgNVBAMTEHd3dy5mbGV4LXN5cy5jb20wggIiMA0G CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDTO9h8/rt1c+qd401YaluPXljdC86W uWZeRP3hsJ6gGMFx/jSbHEviqLt0qTlbO/UE9iJWc4eE3sl7yDp7uWOQFwR5So1h JSsknhgseXnTc4q8zjAxXuiIU0E6jhES28UZ3KU6nNrgAxtCoLt977aV1N1pYHZC jPo32S2Xp1nw8jJd2R83oqUOlrgchVZYeqm3sYzMHdZkvnIBVAFMSzi/kyt2KQWX 2FcnxvhbPWJIeZv/52rnLo9ORWneSUBqtj7gazSxwAuDayYuVo77CWyE7BLU+sQ3 t1RL4jid0YuOYF3ef63BtSk/DC10uK8FXI4TT84y6gt3lIJP6c2TF9aV+i1plAS5 WgocPt4jmmPcLhSTyEkrKxk2KZxcCaURjF3G3zBjCqM3zIXFgTrkndU4UNpXUXPJ 05FOCqlKqeO5hfFRm7q9Rh1s2E3xq2iPrfAg1WcOQw8Uk/eTN4yN+2y7n/eyqhqh lapybz1h13nqWULoSuB+Z+tH3CYv1JiAjiYtIGTu3OFHbKZut7cGcGZ3/YjYE7A1 qXrezvGCNRXx8S6oRn+OOeRpfaiZepyaYAqy259QCKPd3pBr2CF+/VTCbPAglc/Q tJt+GNeK+ozH9qxpWFOEK/LEvEC37CA94YN8sthG2vJ0SuIDhkkFaG6NW0Oucb6l qlWqBJW6vWa3awIDAQABo4ICYzCCAl8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBS4 NSZ4anmcxBWXYyd0JMKOkx/EFDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv 86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEHd3dy5mbGV4LXN5cy5j b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggECBgorBgEEAdZ5AgQC BIHzBIHwAO4AdQDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW8U BFO7AAAEAwBGMEQCIBiyRUlpkWeOffwukKqfcDnOyGcHGmd/lU1GinMD5u7+AiAe upID6yeWdbZaZG2Fnl5S/yn85bS5TA9yZRI/JL7IUQB1AAe3XBvlfWj/8bDGHSMV x7rmV3xXlLdq7rxhOhpp06IcAAABbxQEU+gAAAQDAEYwRAIgHDBGzmOKjxFaO0MM Q1ETKTzriUkkq3NNTrkNsRIl51ACIHwlSPI2QQeJiEas8vQf02TyhlbpC8zpGdgA dNAVN0cRMA0GCSqGSIb3DQEBCwUAA4IBAQCYdqdtEo4miFFHS2eRrx7yeRvbzUOZ YG0y+BdF+AjlOMswoJwsXXPg2WeCAJyHyvh5MlLC/eW9uH8qV33vVIfxstpd67hT nvjXLXxoNr/Gws5u+VowJ15JxWPsVvf5Rq8pPPy5NyrCotKtG1IU/QIPZX3tseLT Esz1ThMZcxAntPecMRxHwkoc8EkRMcv83MI8IYONChlwLqmK01x8ktRQs2VYe99M b+itlA9s0x6/00W2FIMPSE0WKV8AHolZBjay9UNqoKFROSZes1Xsfrt05PHakcS8 GBnVb3T31e3C94e2OYOYKWzeVJbDGWr9tWWZDnpcUSQ6yIfeTUXkGOrN -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0zvYfP67dXPqneNNWGpb j15Y3QvOlrlmXkT94bCeoBjBcf40mxxL4qi7dKk5Wzv1BPYiVnOHhN7Je8g6e7lj kBcEeUqNYSUrJJ4YLHl503OKvM4wMV7oiFNBOo4REtvFGdylOpza4AMbQqC7fe+2 ldTdaWB2Qoz6N9ktl6dZ8PIyXdkfN6KlDpa4HIVWWHqpt7GMzB3WZL5yAVQBTEs4 v5MrdikFl9hXJ8b4Wz1iSHmb/+dq5y6PTkVp3klAarY+4Gs0scALg2smLlaO+wls hOwS1PrEN7dUS+I4ndGLjmBd3n+twbUpPwwtdLivBVyOE0/OMuoLd5SCT+nNkxfW lfotaZQEuVoKHD7eI5pj3C4Uk8hJKysZNimcXAmlEYxdxt8wYwqjN8yFxYE65J3V OFDaV1FzydORTgqpSqnjuYXxUZu6vUYdbNhN8atoj63wINVnDkMPFJP3kzeMjfts u5/3sqoaoZWqcm89Ydd56llC6ErgfmfrR9wmL9SYgI4mLSBk7tzhR2ymbre3BnBm d/2I2BOwNal63s7xgjUV8fEuqEZ/jjnkaX2omXqcmmAKstufUAij3d6Qa9ghfv1U wmzwIJXP0LSbfhjXivqMx/asaVhThCvyxLxAt+wgPeGDfLLYRtrydEriA4ZJBWhu jVtDrnG+papVqgSVur1mt2sCAwEAAQ== -----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 310763291238478473469168126749397571343666 . . . . . . . . [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 2019-12-17 12:20:25 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-16 12:20:25 +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.flex-sys.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 861758605308070403063087121814487396170815601015020945552340496562100080271580801841594928874890371222108787720845304693591821970562121771892493791033909365396959307218049883952160709346697265647791067930419269244999032973434328066667133858517097466361763889630717155560087727704300566552367288242412078249499258606562550606743011763885399760153715103848415204575603543456751629068513343348683368017598990202931450772196877635358203725080385199754303088388294643820647136420717706807281418363052408361140159009692671490083078688733777735631975167325664059990988912863595988796264876992303573819384584067917061605437486033788412712456154796839810250039918997707010434319649542604475441616131336837824711427015160518041026904850720685466866929428835123904628237549102095653974799957327414091610198325000740835271141834786117776141701815819823614305691154207103081292739798745635700728095272636198402867796775427122061075106333648380222295665332620397226986601203701061435345503027338838408025044046744615176945001555255141091427808665587345597841471234121025924763429838070359266205103120732956865751376219228683376735179017152935286984272415170888515734818819971136852310176053645948008864233202602101847893374689254237847129447380843 . . . . . . . . . . . . . . . . . . . . [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) b83526786a799cc4159763277424c28e931fc414 . . . . . . . . . . . . . . . . [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 (20 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.flex-sys.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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f140453bb0000040300463044022018b245496991678e7dfc2e90aa9f7039cec867071a677f954d468a7303e6eefe02201eba9203eb279675b65a646d859e5e52ff29fce5b4b94c0f7265123f24bec85100750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f140453e8000004030046304402201c3046ce638a8f115a3b430c435113293ceb894924ab734d4eb90db11225e75002207c2548f2364107898846acf2f41fd364f28656e90bcce919d80074d015374711 . . . . [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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