banner-flags.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:91:83:81:d6:57:39:46:ca:4c:1e:14:02:c7:eb:ce:1a:cd 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=banner-flags.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:91:83:81:d6:57:39:46:ca:4c:1e:14:02:c7:eb:ce:1a:cdSerial Number (int): 310852604019905623660063302982085821471437
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 55:90:2f:00:31:fa:c3:5b:cb:31:b8:cc:cf:b2:3e:15:28:13:2c:f0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ba:8d:a2:e0:1f:f9:e5:aa:4b:ee:23:a8:77:17:2e:ac:31:82:a7:9d
Fingerprint (sha256): 5d:99:02:c0:1e:d7:98:90:fb:08:42:ce:6d:8a:79:d3:66:1d:70:ca:c1:7d:17:cd:ec:92:ea:2b:52:70:05:b9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate banner-flags.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
banner-flags.com
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Certificate
The complete raw certificate details for banner-flags.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGWDCCBUCgAwIBAgISA5GDgdZXOUbKTB4UAsfrzhrNMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMjkyMjAyNTBaFw0y MDAzMjgyMjAyNTBaMBsxGTAXBgNVBAMTEGJhbm5lci1mbGFncy5jb20wggIiMA0G CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDjpVxxTMiZL71zP8W3n1qPtEABobo2 cg9f5aWD10InBjpK0ogIkQR7r6iPLVOPKp6ivxrxB+Pg0iPD/TYBwX80nbhOKWNO tAj1blwUYAA/5zND9Pc0697zgg26YxWG0SkFi0Wks1IV/Vzzwwak9sYYZHfaHc5F NFVjmqTQIpZuuH7hCgd3HzBExF7BbXEEb1gpZ2FKeYkHr5wdgLWvHXC/HgmyqUj2 I7w5AIaQkL3Srj0gysN9wAeYtPZoKcDb+cRTvtF2JORV8T4Kuhxg+hYlb3zuLk7v Qib0ra0Prkjr7qbrb8alwpqJHwePUkE/RWF8rTUi8F03zBvh5XhxRhy71PNnt47u 7tFEtulwMzwDpm3F8ktPExVEVsKiYzRvF3T5R5KidHpzIU5f97YpIBU0xeNvD1jK DLiyZbeDhFd9AQ60JyB3+JSd/OhQNR5PugOZOOjNmt7VVt9va8Fo3VdUG1BCzrj1 4YQcOYqkGXzwp9+CBXZIEwZ4CwjeDXrHe0Vwo0KpHt1WlINXxEQ/79E/Q7eL/ODt TDw+IHop6EkGmoUyblAoAgbBBGX4KXmNYzSU/4lmLmIM+XiQiIKB+zGApHQCBYjj jDKv2iFgrt8klvl7/iMb+dOZM0AGr+1kPkb23BZN2q6Dq8nCN3vhdvglCAZOutTX 5FMDDNDNCyiXFwIDAQABo4ICZTCCAmEwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRV kC8AMfrDW8sxuMzPsj4VKBMs8DAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv 86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEGJhbm5lci1mbGFncy5j b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQC BIH1BIHyAPAAdgAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAW9T 5d1iAAAEAwBHMEUCIQCO3oQ7irKZuJsOpt+vUkF1z/Hcf8YdXRAQIaitY8F/UwIg SOozFRM4ZTSB7AiSmxq4Cj6ZKo0a2y1pYg7f72iUjFYAdgBvU3asMfAxGdiZAKRR Ff93FRwR2QLBACkGjbIImjfZEwAAAW9T5d4MAAAEAwBHMEUCIHgEfGj38F5wcauJ xNmlPhzdKavx3pm3R39RECF0iSpkAiEAgV0k02f1yfX25GPRJB/RJfVxTjcjoJdq 2+6wqDdNWNYwDQYJKoZIhvcNAQELBQADggEBAHPlqFJWwBhtmVXyH/XukwXWCDkb UDX4pgMnGopgMJXlonQ4nh7qH4gtZzWzFi6SwukVDOAqh6Ru4LRyhLGFcNAwi0o7 f3q7rw//F7e402gtirWKCmdSgKQsFAh/5QzERvg5ZE3MHsvMQvyEYoQHAlhcJI8Z jeFHm3mlhT1qHUvM6lshkw+E3FVkzD1NSTUb9B53heakcvxqVLcVMJZMuNyV0vqS XcnbLg4sM9ve3R+Cv7A2Ke/mxMwY8CDvpRIutcpfulwdPHr9LZe9R1XzCn0JU1sg TyHPMmJ6uLsFsTStB1g+ZfUVFUoovzVsju5614MW5iROfKjNHwOzbs1rTF4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA46VccUzImS+9cz/Ft59a j7RAAaG6NnIPX+Wlg9dCJwY6StKICJEEe6+ojy1Tjyqeor8a8Qfj4NIjw/02AcF/ NJ24TiljTrQI9W5cFGAAP+czQ/T3NOve84INumMVhtEpBYtFpLNSFf1c88MGpPbG GGR32h3ORTRVY5qk0CKWbrh+4QoHdx8wRMRewW1xBG9YKWdhSnmJB6+cHYC1rx1w vx4JsqlI9iO8OQCGkJC90q49IMrDfcAHmLT2aCnA2/nEU77RdiTkVfE+CrocYPoW JW987i5O70Im9K2tD65I6+6m62/GpcKaiR8Hj1JBP0VhfK01IvBdN8wb4eV4cUYc u9TzZ7eO7u7RRLbpcDM8A6ZtxfJLTxMVRFbComM0bxd0+UeSonR6cyFOX/e2KSAV NMXjbw9Yygy4smW3g4RXfQEOtCcgd/iUnfzoUDUeT7oDmTjozZre1Vbfb2vBaN1X VBtQQs649eGEHDmKpBl88KffggV2SBMGeAsI3g16x3tFcKNCqR7dVpSDV8REP+/R P0O3i/zg7Uw8PiB6KehJBpqFMm5QKAIGwQRl+Cl5jWM0lP+JZi5iDPl4kIiCgfsx gKR0AgWI44wyr9ohYK7fJJb5e/4jG/nTmTNABq/tZD5G9twWTdqug6vJwjd74Xb4 JQgGTrrU1+RTAwzQzQsolxcCAwEAAQ== -----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 310852604019905623660063302982085821471437 . . . . . . . . [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 22:02:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-28 22:02:50 +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 '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 928714416121349290268009075143307505413211787772003893034184982784121547698102577492634178534464341138817489641880752847420396236601084580175988903932630286313883282751643560472818263795761099622963151340379604999088341570760339385846329017433111411159097062640958095359295098448776900834495315001754425831835262125779621333965386623313619539717956233968847932840317955986304769875793242491329526232601618657654372837468881315811802523299628115313703254845125512355920556244117151698404890466845238179459814551740037279517238038976138866019453588148081150468699496900480053396793298236123335772946123370384988513063471974569526371959196229031806573619965082770506895352986128394611735498127925755713004588287420780381133581519073624109084332391649158407026194879879005417260121454038060828112711217289921081174310474907842404002441362692653316644901175336867463987284739877719894626886291358483356867591011878615505211511355882268244612700124760476109639126410948976924696391976408052077654899436140524394971008513757788381741143575943260013368674828383406123595270834089263123472050046318115691838803792723721296354116986417445159114389946900289503997180274838368260103283760749312389255638571071725690394351477484860339559714035479 . . . . . . . . . . . . . . . . . . . . [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) 55902f0031fac35bcb31b8cccfb23e1528132cf0 . . . . . . . . . . . . . . . . [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 '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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f53e5dd6200000403004730450221008ede843b8ab299b89b0ea6dfaf524175cff1dc7fc61d5d101021a8ad63c17f53022048ea33151338653481ec08929b1ab80a3e992a8d1adb2d69620edfef68948c560076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f53e5de0c0000040300473045022078047c68f7f05e7071ab89c4d9a53e1cdd29abf1de99b7477f51102174892a64022100815d24d367f5c9f5f6e463d1241fd125f5714e3723a0976adbeeb0a8374d58d6 . . . . [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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