rkoco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:61:fe:f6:61:3b:54:1a:79:81:30:73:ca:81:71:91:f0:45 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=rkoco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:61:fe:f6:61:3b:54:1a:79:81:30:73:ca:81:71:91:f0:45Serial Number (int): 294683150574662560984372616700450640621637
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 02:b1:e0:21:08:37:4a:9b:77:3e:96:74:dd:bf:6c:82:8e:5e:f7:6d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 93:c0:c1:c5:41:7e:be:44:79:42:1c:fc:da:25:c2:c8:46:35:1e:44
Fingerprint (sha256): aa:ca:6d:97:95:de:38:6d:34:0f:87:c3:c8:65:0c:63:ec:6b:f9:9d:03:1d:a0:cc:94:14:62:d5:dd:eb:14:83
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate rkoco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for rkoco.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
rkoco.com
Other certificates including the domain name rkoco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for rkoco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSzCCBTOgAwIBAgISA2H+9mE7VBp5gTBzyoFxkfBFMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMxMDA1MDlaFw0y MDAxMTExMDA1MDlaMBQxEjAQBgNVBAMTCXJrb2NvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAK+5ORcxQHqv1H9D3XztWrN1rbFvH9aBKV4GdqOD CRxqUjOoKsVArYgGcBM/lOkAmQqtTj50AyVPCxVAgLZ0k+BBHO+9LYruDTcjg75Y 5GcYzDeIfNjE4GYs5JyW4pBGmkUCikHaU1t6MJh/HWOUcV3uBMUQuBi5R2MCsbOC 2rVg2WO0O2G4nqQAhEQlriFr11jNNJwg9NJVEt83IO/R33Jjomy5/O8vuOdYxr2X bEfCv180zZxUxb1IobovBa8VXEm8bIr3phIiFCvvu8dSzYfEj/Kizdtx8lBeU0lN 8bvvkoVUSNt9gBahUGdOWeKcvWd+03csiEO+i3WSiCNvXKZhP2lHv8L2pjt1O5vS LbiLGkKblQoH/toG8UKSoE8WiWo/JDxiD7BzMwaLkVO3rRQBV/ZkonPHFZ+mbxFi /FYZb37+BqHXjOS6SE6Eh8cdwh4mZzNbmUCvVhB8VAXn2HKAzs+EEUZlypovchG2 3f8mZHL1WsryzquyPmDE5UsYoofNJ68+ua9hf3g19hg51nX2MOaYtI1IzgnUO+pS BLRq8mXYBWqCeQ6+ehVHuMZECls04FS4DWZZstwSlRkpn0Sfgbc7Kxj/ND9uObNe whfHmQilzOdVQZtQHe5Rn77gXWkrdfJTXVQtyYIuehfkCgRdBCPIScpNLYa7QG3b T0PBAgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAKx4CEIN0qb dz6WdN2/bIKOXvdtMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJcmtvY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcA8JWk WfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFtxMsfDQAABAMASDBGAiEA 5ABDTRHguDqF+RqobLmneiAXKkml/s1aNNwuNpQa2/8CIQDNwEJSR+xCAJVL2ZdC Hf6cI69NO4shrAX7n0svMiGPAAB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM 9OVFR/R4AAABbcTLHw4AAAQDAEcwRQIhAPe8c5bQDrW85GrAEQmuzaKDsUCx6O4R PKZ1jOsv4a3uAiA/VSxNbGcHaimv0ZfYAOmdYKxsaOWYkL4jqBRt1znENzANBgkq hkiG9w0BAQsFAAOCAQEAIgRojshM8YnZl3JcDTMGqYucm2/fwwXhXi7DShK0VgwT s8y1RP9o5N/9D6BpdCwWL3mo6tmyU8gypqzs4S6ayy8UULLm9hKAQvid/R8Zk7TG +gGec8rVtK5B8U0wjgI0KRu3hZeSaDUucLdQUp/bPslvLGuAyelVez8vGd4SIt8D FN2Epq8ALnceCIhkW/6nKMlgV3qTRPjsDhGyG1oR+980wLWUvB+sRLstIz/dRQAX W5XPJWkdpF/oPFO9leL7B8VW8soEUFuySq8YfGS9L1iZMakvxC2JhwXo9hGjjydt YqyoOrieWMAI9RcpYQFrm5wDVlIZjHC4EYnFodzpQg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAr7k5FzFAeq/Uf0PdfO1a s3WtsW8f1oEpXgZ2o4MJHGpSM6gqxUCtiAZwEz+U6QCZCq1OPnQDJU8LFUCAtnST 4EEc770tiu4NNyODvljkZxjMN4h82MTgZizknJbikEaaRQKKQdpTW3owmH8dY5Rx Xe4ExRC4GLlHYwKxs4LatWDZY7Q7YbiepACERCWuIWvXWM00nCD00lUS3zcg79Hf cmOibLn87y+451jGvZdsR8K/XzTNnFTFvUihui8FrxVcSbxsivemEiIUK++7x1LN h8SP8qLN23HyUF5TSU3xu++ShVRI232AFqFQZ05Z4py9Z37TdyyIQ76LdZKII29c pmE/aUe/wvamO3U7m9ItuIsaQpuVCgf+2gbxQpKgTxaJaj8kPGIPsHMzBouRU7et FAFX9mSic8cVn6ZvEWL8Vhlvfv4GodeM5LpIToSHxx3CHiZnM1uZQK9WEHxUBefY coDOz4QRRmXKmi9yEbbd/yZkcvVayvLOq7I+YMTlSxiih80nrz65r2F/eDX2GDnW dfYw5pi0jUjOCdQ76lIEtGryZdgFaoJ5Dr56FUe4xkQKWzTgVLgNZlmy3BKVGSmf RJ+BtzsrGP80P245s17CF8eZCKXM51VBm1Ad7lGfvuBdaSt18lNdVC3Jgi56F+QK BF0EI8hJyk0thrtAbdtPQ8ECAwEAAQ== -----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 294683150574662560984372616700450640621637 . . . . . . . . [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 2019-10-13 10:05:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 10:05:09 +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 'rkoco.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 716889446101059181610256954074817915431497527569492873304975518920737904578168305148510163522035855131788701734230913131041666920798014702794851888331796349330901001848079265264936659125617760084442030448372636599546541352360760368796873138996425937128637446169509876677494410946401041734993362013719084236015712161424801343976919631196246102490843446115961015340131567186379032411539990556900875471713901056221237081142976364100332252949724452572762940340851969159479909095399902064299102210735140939484227261176475562748006307826324083654578193397640607161575450449592965762447968193423637721153213369987936565186841242959804430290411025565057900251290148433528035471326706313979691970014866859418560649684166229685480307141006615309215368662956596478947522726675821039349547806685702713814349654730416593615222468877787208569044615708131689534607291114717946148897137230402017175963882965654420691818074324186705831954898999176293953763563318205698556949445725473960679663378258388300579689140101632298128175051675589299900361893505662958514079338385534809854759077209868283281074137863737040441254664544738251638638357741246841415983071099314278737317528730808680308903301276290781954245919798072497667942596738188166906065667009 . . . . . . . . . . . . . . . . . . . . [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) 02b1e02108374a9b773e9674ddbf6c828e5ef76d . . . . . . . . . . . . . . . . [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 (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rkoco.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc4cb1f0d0000040300483046022100e400434d11e0b83a85f91aa86cb9a77a20172a49a5fecd5a34dc2e36941adbff022100cdc0425247ec4200954bd997421dfe9c23af4d3b8b21ac05fb9f4b2f32218f00007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc4cb1f0e0000040300473045022100f7bc7396d00eb5bce46ac01109aecda283b140b1e8ee113ca6758ceb2fe1adee02203f552c4d6c67076a29afd197d800e99d60ac6c68e59890be23a8146dd739c437 . . . . [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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