secure.kru.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:27:d8:f6:24:a4:29:11:d2:d0:f6:46:c3:d9:6f:7a:81:3b 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=secure.kru.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:27:d8:f6:24:a4:29:11:d2:d0:f6:46:c3:d9:6f:7a:81:3bSerial Number (int): 274896261400486956227579874505187856646459
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a5:f5:3f:3f:9c:58:92:3d:1d:f9:50:09:fc:3c:61:b3:4e:84:56:2b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b9:c4:4b:ed:28:96:4d:3a:f1:88:b7:72:3c:4c:bb:e8:4d:fa:17:52
Fingerprint (sha256): ff:ab:22:66:d8:1f:ff:c3:37:7c:40:8c:78:6d:03:63:4d:41:40:17:4a:2c:15:1d:65:9d:1f:b8:80:8b:33:13
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate secure.kru.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for secure.kru.com
Public Key Algorithm
RSA
Key Size
2048
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
secure.kru.com
Other certificates including the domain name kru.com
(limited to 100 certificates)
secure.kru.com
support.kru.com
support.kru.com
support.kru.com
support.kru.com
secure.kru.com
billadmin.kru.com
secure.kru.com
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secure.kru.com
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kru.com
support.kru.com
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secure.kru.com
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kru.com
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kru.com
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kru.com
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support.kru.com
secure.kru.com
secure.kru.com
support.kru.com
secure.kru.com
support.kru.com
support.kru.com
secure.kru.com
support.kru.com
billadmin.kru.com
support.kru.com
support.kru.com
secure.kru.com
support.kru.com
secure.kru.com
secure.kru.com
support.kru.com
support.kru.com
support.kru.com
support.kru.com
support.kru.com
secure.kru.com
secure.kru.com
support.kru.com
support.kru.com
support.kru.com
support.kru.com
secure.kru.com
billadmin.kru.com
secure.kru.com
billadmin.kru.com
secure.kru.com
secure.kru.com
secure.kru.com
kru.com
support.kru.com
support.kru.com
support.kru.com
secure.kru.com
secure.kru.com
kru.com
support.kru.com
testers.kru.com
kru.com
secure.kru.com
testers.kru.com
secure.kru.com
support.kru.com
secure.kru.com
kru.com
secure.kru.com
support.kru.com
secure.kru.com
support.kru.com
secure.kru.com
secure.kru.com
kru.com
support.kru.com
billadmin.kru.com
support.kru.com
kru.com
support.kru.com
billadmin.kru.com
support.kru.com
support.kru.com
secure.kru.com
billadmin.kru.com
support.kru.com
secure.kru.com
secure.kru.com
support.kru.com
secure.kru.com
support.kru.com
support.kru.com
secure.kru.com
support.kru.com
billadmin.kru.com
support.kru.com
support.kru.com
secure.kru.com
support.kru.com
secure.kru.com
secure.kru.com
support.kru.com
support.kru.com
support.kru.com
support.kru.com
support.kru.com
secure.kru.com
secure.kru.com
Certificate
The complete raw certificate details for secure.kru.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFUzCCBDugAwIBAgISAyfY9iSkKRHS0PZGw9lveoE7MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMTExNTA2NDNaFw0y MDAyMDkxNTA2NDNaMBkxFzAVBgNVBAMTDnNlY3VyZS5rcnUuY29tMIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx690QVduHMorruqZxgOTINjgpd6XaGe1 9oiMKd4+//og/bTJIPD4y49BNZ+ITzxpRb1Qeras/WRUAYyqZdL/Do7pnLK1P5+4 0BenZEWVBbr2oydr+xILMuRKpL7Klf4GFCN3ZocvwL7QNnk2GEoPe1tHRfnB8so7 cZrgNxOEfsCrEro/1V+jedjv5PERpy+u15DK+BpQuke0h7ZY7Fa9PkhYkbInyX40 Lx9QYnNWyMZqnyd2GwfSEtxKUp2Rn2TcQWi8xS/6Sm+bX6HAdOD3VKEihfvA+aGK bOES/B6ttrQeKeTOW9BGsf6NGXturQTMrzpyIXf6Z8fZ8210ubqKHQIDAQABo4IC YjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSl9T8/nFiSPR35UAn8PGGzToRW KzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRj MGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5v cmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5v cmcvMBkGA1UdEQQSMBCCDnNlY3VyZS5rcnUuY29tMEwGA1UdIARFMEMwCAYGZ4EM AQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAXqdz+d9WwOe1 Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFuWzel8QAABAMARjBEAiAxZjt1Knqb sPcbCMAsNr+eyyWRTF23/KoJoH4PfgVNqAIgEkzk7Duttr018U5mKxWHe4R2B57w KyQ4Q8HugrSmldAAdgAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAA AW5bN6YTAAAEAwBHMEUCIQDgUGAWfDlMdoDsAqQBLVv+VSka2GEb6IZ7McImXEXw LAIgeNxc8GxMTkeRhtNhMZrWKuIY6k6tvYQq8P5+21ewTJQwDQYJKoZIhvcNAQEL BQADggEBAJg/b0WalFzF2obX5wM5ydh+Xi/FY9p7enZO/7aVb2meJHl8HZhzGS9n m9czZnbIX0ykyqSAKZoRbRHG6HB17apdOF8OIgGo9GqxfexWzor/wN2WWvMp0hMN 2EpSw72OiocuC8ra+krimbOVMN+PuZAEVRdB0OvXEWoLivfx6C6yv0ApJ7mdlHZe GPMAcy//3bEvFT/6pmPoEeQtb6xwAe8+IhW+8Ztt1Apl2T4lwG3eEvlR7soPUPwR YiEIBMdL74fv8Of6lrHGdYPzLXyL0g6Rh/GSjokYOl/34D5pRjdu4+MlVdXiJY4/ +y+CHLDiQKR3AGVSSNnHMrGD+QXaeLM= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx690QVduHMorruqZxgOT INjgpd6XaGe19oiMKd4+//og/bTJIPD4y49BNZ+ITzxpRb1Qeras/WRUAYyqZdL/ Do7pnLK1P5+40BenZEWVBbr2oydr+xILMuRKpL7Klf4GFCN3ZocvwL7QNnk2GEoP e1tHRfnB8so7cZrgNxOEfsCrEro/1V+jedjv5PERpy+u15DK+BpQuke0h7ZY7Fa9 PkhYkbInyX40Lx9QYnNWyMZqnyd2GwfSEtxKUp2Rn2TcQWi8xS/6Sm+bX6HAdOD3 VKEihfvA+aGKbOES/B6ttrQeKeTOW9BGsf6NGXturQTMrzpyIXf6Z8fZ8210ubqK HQIDAQAB -----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 274896261400486956227579874505187856646459 . . . . . . . . [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 2019-11-11 15:06:43 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-09 15:06:43 +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 'secure.kru.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25207942340451504415095924254496061492109423088995814596767735151679842002435026065578341599117029432900682803262007388145197990596414250958995699706447170546668965188556575131028542137785538982652824548792235972832171416716333163250339459287200104024060831169284956879479588916749215674764258070904804151886189240917985244549351456887366757110579613809968048912877831911148003673082054484474420166800983252742497051646086592977779949439744162625187934408658038848588662523042248924087013184395800337016948755538973637189276760610276671401319103469185163900767154145277037667219918694885891440892873834434938210519581 . . . . . . . . . . . . . . . . . . . . [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) a5f53f3f9c58923d1df95009fc3c61b34e84562b . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'secure.kru.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) 00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e5b37a5f10000040300463044022031663b752a7a9bb0f71b08c02c36bf9ecb25914c5db7fcaa09a07e0f7e054da80220124ce4ec3badb6bd35f14e662b15877b8476079ef02b243843c1ee82b4a695d000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e5b37a6130000040300473045022100e05060167c394c7680ec02a4012d5bfe55291ad8611be8867b31c2265c45f02c022078dc5cf06c4c4e479186d361319ad62ae218ea4eadbd842af0fe7edb57b04c94 . . . . [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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