1fk.in
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:16:7f:82:37:8b:62:0e:56:c6:6a:0e:60:7f:7b:9c:39:d6 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=1fk.in
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:16:7f:82:37:8b:62:0e:56:c6:6a:0e:60:7f:7b:9c:39:d6Serial Number (int): 268992557948173269635548630001522518538710
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 8e:9d:db:4f:cc:aa:74:57:3d:29:ac:64:27:2b:b3:7a:80:5e:95:20
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): cb:d1:0d:7c:b4:97:8d:ea:8e:03:6f:c8:6a:94:08:ec:58:bc:2f:2e
Fingerprint (sha256): 4e:5a:bf:0a:f0:58:ed:93:c0:ab:4a:86:bb:34:75:50:cc:7a:e2:d5:dc:3d:a0:98:6a:1c:e5:dc:28:cf:06:fc
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate 1fk.in
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 1fk.in
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
1fk.in
Other certificates including the domain name 1fk.in
(limited to 100 certificates)
Certificate
The complete raw certificate details for 1fk.in in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGQzCCBSugAwIBAgISAxZ/gjeLYg5WxmoOYH97nDnWMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MDgyMjEwMjBaFw0x OTEwMDYyMjEwMjBaMBExDzANBgNVBAMTBjFmay5pbjCCAiIwDQYJKoZIhvcNAQEB BQADggIPADCCAgoCggIBAOQyV8SuR2Rte0rvf0dE8mjWPVLjCBKWn4JbrFreKUk+ Y+JZs9U4KYdrAbmqiw6d36f6/cSQmH6ntAdh8l4GYcKhM6vh3PBJfLbgUW/kprUf HM1Km6vv5p3xIdllHt69ouTIlBT4HvMvjAvktY61hZbPM2bLdEYXx6R7IarMYGiF rkF6J8UIdtQPALY/Yeu/gkXr6Dnf6jdWHSm92ySEg9UqpYPczbIqvRKNiIwHY7MJ co0Ehdkis/ReLqk/tUjmJj0pdNPJpUJdyNpNRg/qDW51ZFriIfeRmLSJltCdPnBy ljV7/+roYK93VLupHN5gDcZP/PqqU4s73u6sH8Akxn2kJ2IgVTkZ+QHZe3N/KUY8 VfojzdJU5DcKpLk+8NG4iGSN/fl07ebzfKBtU1UC7wr0K2mS8YSg4nUy3OiitEqh dFuzqiAOevLn674bzAftiRnCXugYTzyrrwI/XkhNILcD5tFXkldggnEcDYQBTgwh FG7LE8OoyqXzo+ddlkOYIul5w7PPHN+PgKvT6tthx8TaRLNpshBSysd7tx4ZmjoB QotM1eY6oGFDln4m63oBvTw4q5pE6cIM0HLAhOJ7/drZrOJcprLuUZWSvNzTYSDW QXUc+R5j9YFhEscMl9gmsdYRIm3z7c753hSd68dg9ub9aLv51pZMZKnBhtgMpZlD AgMBAAGjggJaMIICVjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFI6d20/MqnRXPSms ZCcrs3qAXpUgMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wEQYDVR0RBAowCIIGMWZrLmluMEwGA1UdIARFMEMwCAYGZ4EM AQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYA4mlLribo6UAJ 6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFr09ox/wAABAMARzBFAiEA8ntm1Q2F yf9eiLoAMQZUHuTeJGWh7Xbqtp89k057Yp0CIAgPxfcYfcAxNMKPwrLPeAspXHST PspeRPRiNHpTlB5+AHUAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgA AAFr09o0GQAABAMARjBEAiBt8HXEVUja2b6uBg+OanhC2Sn+yEJwAyXwTM8V9E8j aQIgcRAbzO6Xe6GRQYNRAZcq5D3sMqa6lnvq8ov+Blea6pgwDQYJKoZIhvcNAQEL BQADggEBAE4C3fiSLPS+tqW1TQGLwphWwjy7tCbkj/e/fVyUeP3c1LYEKyatHI7s nVEj3A7KI7BD3mK1/m5Pw2eIjA6ks0uk4MWn6NgjCCOK9evowp+kaVB8NuATskC/ wxdfGp99HENlm625ERCO25cNhf+M3XG8euCNM56RRPXMycBxCcCax3caF1/ytvVu UVEnIZY6No1EYe3nEP5VBSvpm1RExEllozDQt2ezP2p+HJTt4LmLcIM/NdWwnk3r j55WzIOie/5WJHXHDJ1MVYr2GN+C8E1WvP0zfKzUyEJ57CjTBRS6iT/I0AC7fLRC +CWgaFvZ/+c1twFcBA9X+tpuZLZTNBc= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA5DJXxK5HZG17Su9/R0Ty aNY9UuMIEpafglusWt4pST5j4lmz1Tgph2sBuaqLDp3fp/r9xJCYfqe0B2HyXgZh wqEzq+Hc8El8tuBRb+SmtR8czUqbq+/mnfEh2WUe3r2i5MiUFPge8y+MC+S1jrWF ls8zZst0RhfHpHshqsxgaIWuQXonxQh21A8Atj9h67+CRevoOd/qN1YdKb3bJISD 1Sqlg9zNsiq9Eo2IjAdjswlyjQSF2SKz9F4uqT+1SOYmPSl008mlQl3I2k1GD+oN bnVkWuIh95GYtImW0J0+cHKWNXv/6uhgr3dUu6kc3mANxk/8+qpTizve7qwfwCTG faQnYiBVORn5Adl7c38pRjxV+iPN0lTkNwqkuT7w0biIZI39+XTt5vN8oG1TVQLv CvQraZLxhKDidTLc6KK0SqF0W7OqIA568ufrvhvMB+2JGcJe6BhPPKuvAj9eSE0g twPm0VeSV2CCcRwNhAFODCEUbssTw6jKpfOj512WQ5gi6XnDs88c34+Aq9Pq22HH xNpEs2myEFLKx3u3HhmaOgFCi0zV5jqgYUOWfibregG9PDirmkTpwgzQcsCE4nv9 2tms4lymsu5RlZK83NNhINZBdRz5HmP1gWESxwyX2Cax1hEibfPtzvneFJ3rx2D2 5v1ou/nWlkxkqcGG2AylmUMCAwEAAQ== -----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 268992557948173269635548630001522518538710 . . . . . . . . [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 2019-07-08 22:10:20 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-06 22:10:20 +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 '1fk.in' . . . . . . . . [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 930961116603910600987983092420781346909378552506369537949461377907498606423070760990742141400599048299301432152358228580183129315572201371141174697273371869089101977277808242479669307280981244063051718344506530843058482850696103092939336697008276647985336203355830671701899948669460045540871684791626013678656869274861197575142524277776440235117499353259602225963333055753350363823044188088324087658241008415992050893314752582521242192271717228346465689945369042316998962866616411693204295560276808633142315864336967201930440399300496286155949596007234989703001446079311701044424515845629632593421956544846061457268836806114504101799421320921620933464736602386188510798031484616825909219798532224616818037865114122487629134232002575940818379996099958860158552458813492486434744344824275460986802104539591550078401335853201846365953467955085060896617773796128001528366529106992388678891419749443618223359475117837929555964463974308337899742263376172965151225852707359695342924745772794571887141382124290154921487860829224803727441016920570826695537998747858555700434989835223056597070399934689109414471204289207071937367493186563921419700621864363970000232533759971623952951261003588722009422226326277810843689166544216201675221080387 . . . . . . . . . . . . . . . . . . . . [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) 8e9ddb4fccaa74573d29ac64272bb37a805e9520 . . . . . . . . . . . . . . . . [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 (10 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1fk.in' . . . . . . . . . . . . . . . . [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) 00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016bd3da31ff0000040300473045022100f27b66d50d85c9ff5e88ba003106541ee4de2465a1ed76eab69f3d934e7b629d0220080fc5f7187dc03134c28fc2b2cf780b295c74933eca5e44f462347a53941e7e007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016bd3da3419000004030046304402206df075c45548dad9beae060f8e6a7842d929fec842700325f04ccf15f44f2369022071101bccee977ba19141835101972ae43dec32a6ba967beaf28bfe06579aea98 . . . . [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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