www.banner-flags.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:77:31:b0:11:fc:39:ee:5d:f3:08:1d:73:98:e9:34:2c: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.banner-flags.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:77:31:b0:11:fc:39:ee:5d:f3:08:1d:73:98:e9:34:2c:32Serial Number (int): 301896505839697369128689306404038961802290
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 53:1b:19:54:af:87:4e:58:b7:d6:f3:7a:12:c2:c4:f7:53:14:b4:e4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c7:df:a2:09:86:ef:2a:1a:5a:af:0e:0f:ea:3c:b0:91:31:df:f6:28
Fingerprint (sha256): 50:1e:2e:e5:7c:0f:9e:e3:4f:c8:3c:e8:4c:ca:20:ab:b8:7c:9b:e8:67:1a:70:4f:79:8e:df:01:96:5f:c8:6f
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.banner-flags.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.banner-flags.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.banner-flags.com
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Certificate
The complete raw certificate details for www.banner-flags.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGXzCCBUegAwIBAgISA3cxsBH8Oe5d8wgdc5jpNCwyMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMjkyMjAwMzFaFw0y MDAzMjgyMjAwMzFaMB8xHTAbBgNVBAMTFHd3dy5iYW5uZXItZmxhZ3MuY29tMIIC IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAweWBx7inlpjK1IdjBOm+CY2E JKEQa5iTuI2yAzGScrS2Ibr+IPRGKReeyKqddSTfc/3S8H18khAGfRxcy0mcDtla EqDLjefz/If7hB87I6XRM4V3o3w+PuY+GxgqQXnWNTzbytX7RMQCbUWp6YI2ttYV uTWbKUzl2ufZ5nvXZBO5IAAivsNTwt3hefPO3+uB3zKHUaC02lQ6pPoJDAGWM7g7 a/5srQoAxBFhANeqP4dIMWRpr8iA9vaSf2d09c2VjLjQ0hy1Rw+J7hWp5lmvNq2g mYsxZIXUSSu9U/tdQfochK3PztjlzCTBBs6rblwwL6tmCKi7OuIIVAIxO+q2VpAg l/BPw5eRIVJpEJE2Yd/lKNPz+dtl9KxSF2bu4Y5M34LM8V4YM5zoIA4TwilLOs85 Anugj1F5dckcy6gTIpiH2+J87kMVpQW91xIbnfb7NxT8w5CjMxSM8iEmkzzfFl7P 82hvpvkrHzIbcAriwIhr5044W0oJYpRzC96AglfEs/ad6VPp0UX9BSTwAmZX4kUo +1wh9TS5tTyQGbpFS32kQrv4b/gnSSuGcEteU3M8k7GHouSTO80rk32X727j3POd z5O+8Fw6/KlbvxfduP8KNQ0Xy5Hkvs/qHG3CusgRrWfIdZLrj1eBnljshfwSCtIE cZRli8FZ5uu6i7YfzRUCAwEAAaOCAmgwggJkMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUUxsZVK+HTli31vN6EsLE91MUtOQwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3 pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2Nz cC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2Vy dC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAfBgNVHREEGDAWghR3d3cuYmFubmVy LWZsYWdzLmNvbTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisG AQQB1nkCBAIEgfQEgfEA7wB1AAe3XBvlfWj/8bDGHSMVx7rmV3xXlLdq7rxhOhpp 06IcAAABb1Pju0gAAAQDAEYwRAIgcaRI578aLNwsVaGcmk9lgNNKx1V4xzAkVoQD oba6/gQCIHoeoUq4bZESm5Wg0AD5xTJEUGw1PeIGgIYFiBf+a97iAHYA8JWkWfIA 0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFvU+O88gAABAMARzBFAiB8TbhC dY6J9vpoYxYHvYOrmB3bRXpDYDJhzmrFtp9zAQIhAPfO4lII/7Z2+7bU8DkgqcbV nJaaFYUjYoBve1lWubu4MA0GCSqGSIb3DQEBCwUAA4IBAQB/gvf1NZpJ5sGjciIR dWagoME02VJWCRreQYvi6RDUuBpUTQFrVU216bH16o+yqqQSRNea0BQpB3WL7ryS njCLpoNyYUUpXGWhPl/wwngyivp1OMnSTk9bTKSQmZ7e3YsFuUfk6+L/gEddZ9XL cS+iV/Fegz7WNfaSuoE5oomB+Nws84sl3h6Mk9b9iHwEg/z2X2oWsCOW9HNOZBze cj3uoh8iXxoix0bb2Sg0WJw3V8NTX2mvsl2K94MUJ4kGLU/h7w7+/TFsxwnM8BC5 l6j3pOOivoyG/ToDBMGMuiFFVvuzBNrW6fGXa+P/Pr3ubv9zpDpRxfOAP8FCM1uy GEhw -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAweWBx7inlpjK1IdjBOm+ CY2EJKEQa5iTuI2yAzGScrS2Ibr+IPRGKReeyKqddSTfc/3S8H18khAGfRxcy0mc DtlaEqDLjefz/If7hB87I6XRM4V3o3w+PuY+GxgqQXnWNTzbytX7RMQCbUWp6YI2 ttYVuTWbKUzl2ufZ5nvXZBO5IAAivsNTwt3hefPO3+uB3zKHUaC02lQ6pPoJDAGW M7g7a/5srQoAxBFhANeqP4dIMWRpr8iA9vaSf2d09c2VjLjQ0hy1Rw+J7hWp5lmv Nq2gmYsxZIXUSSu9U/tdQfochK3PztjlzCTBBs6rblwwL6tmCKi7OuIIVAIxO+q2 VpAgl/BPw5eRIVJpEJE2Yd/lKNPz+dtl9KxSF2bu4Y5M34LM8V4YM5zoIA4TwilL Os85Anugj1F5dckcy6gTIpiH2+J87kMVpQW91xIbnfb7NxT8w5CjMxSM8iEmkzzf Fl7P82hvpvkrHzIbcAriwIhr5044W0oJYpRzC96AglfEs/ad6VPp0UX9BSTwAmZX 4kUo+1wh9TS5tTyQGbpFS32kQrv4b/gnSSuGcEteU3M8k7GHouSTO80rk32X727j 3POdz5O+8Fw6/KlbvxfduP8KNQ0Xy5Hkvs/qHG3CusgRrWfIdZLrj1eBnljshfwS CtIEcZRli8FZ5uu6i7YfzRUCAwEAAQ== -----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 301896505839697369128689306404038961802290 . . . . . . . . [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 2019-12-29 22:00:31 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-28 22:00:31 +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.banner-flags.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 791028753106232827758590688942083916373353878645302614996101897745144725115276057925136220117200491461813917034589570545575314356245438167918379519582420997783545972812334370254006369029059897597555397461274177461033748223556140012858926273507135096819848122718812755529253484617123198002727730288873394359910324382681236052622042721343032542913847349954355509961863765970795388988638707485251145398779529281734208441197861206847065260565470548400607398491883384068156903795705628380359684048051876030096586533651062107897406943830074282725104208621925742846191435276138953146315138917736824325920715415349147213394804036530957763510064499540152077485197839066469325672659921357777648621683453131774073833533537881646139214406220895077064421614637214292752135341414104305778582215509627732142078064356057989612215353501236578024914360357588468630276538448313609559299775059022433374350472124601744626807013864367264514992366365568271386360429202520950903679242474988798097438381064870929456569528886428128883322705328334989118600478564596494717374157346312727014163720728621446345759193495260190025701250286294248674394896204752104780632588894331406300637167978072647224028188700110817107437163768495658428393783150575698263221980437 . . . . . . . . . . . . . . . . . . . . [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) 531b1954af874e58b7d6f37a12c2c4f75314b4e4 . . . . . . . . . . . . . . . . [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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.banner-flags.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f53e3bb480000040300463044022071a448e7bf1a2cdc2c55a19c9a4f6580d34ac75578c73024568403a1b6bafe0402207a1ea14ab86d91129b95a0d000f9c53244506c353de2068086058817fe6bdee2007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f53e3bcf2000004030047304502207c4db842758e89f6fa68631607bd83ab981ddb457a43603261ce6ac5b69f7301022100f7cee25208ffb676fbb6d4f03920a9c6d59c969a15852362806f7b5956b9bbb8 . . . . [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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