support.kru.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:a7:ac:5c:47:65:2e:31:3c:10:80:4c:fa:fe:86:18:1e:30 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=support.kru.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a7:ac:5c:47:65:2e:31:3c:10:80:4c:fa:fe:86:18:1e:30
Serial Number (int): 405505405357491122823833060175924356980272
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bc:dd:ec:48:c1:d6:12:a8:90:77:3b:17:93:97:5d:cc:e6:c5:4e:0b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5d:31:f4:a9:31:0b:84:ce:93:e9:e1:56:0a:e2:07:c2:c3:07:6c:1b
Fingerprint (sha256): fe:3d:d2:e8:f5:35:73:75:c0:09:8e:b0:ba:45:2e:ce:b0:c3:89:64:04:98:2e:74:d9:bb:5c:a3:9a:e5:42:84

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate support.kru.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for support.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

support.kru.com

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support.kru.com
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support.kru.com
secure.kru.com
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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 support.kru.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApcS/0Ec4pjJ0jegaVotu
zp4biiq6PdBXk+LiTYfuMNZ6CS3orUFhLHyCjBcQ1PMBAPacdoTYlk+oQtZ5ealm
nP35YLwW+BxdsucIzPP11wsiiC+2gMVuijX0uB2iybNzASD2VwdT+lY/NC5cmlF8
UnPKt0rvZas0DEqI9Rb1xbiC/8Yh1N7ZHMgQEICxlhjTtXWWre06l8Vs+UEBjzgU
mBBoftuqKEl346DN8gVwDSLle5+ZUKJsLwmaK//58iOQHflpurUZkfAqtjEjA7KH
x/jMbeHPaX9TW3zz1R2sHfv05T2rSW5qijgqN8UXcNZ7Hc8GrLNpB3wyZR8ZLeTj
9QIDAQAB
-----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 405505405357491122823833060175924356980272
 . . . . . . . . [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 2019-04-16 17:31:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-15 17:31:53 +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 'support.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 20926341001346050399580895870239005282740388822010852769159528653910043178069903176463002212451402707438788464866049707532417822186065516985536526540457114921226862588800876603790283340059998649701506440107524963731706419588393474610912969657433401743727294798171380459264446068846261648401828358410014636229116961356262096521028784817062999801585954766696468893550559493724933268537646573595806355302552820231925487044454590492800517447427453002891275988873716964968160885237608084516547770477736694186466886226493692227636549585739397310587231828835492140688462325917861431425956652755548794273215992803184471237621
 . . . . . . . . . . . . . . . . . . . . [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)
							bcddec48c1d612a890773b1793975dcce6c54e0b
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'support.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a276b6f7700000403004830460221008121aacc8c3de97d51161abd1d429d22a1ea56d06c459de12fea098fc026722e022100b845787423ae0425ab8c6fb49051ad5e948dd39e3e47f174a5152ffc885bd046007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a276b6f4b000004030047304502202df11191f98e66066d335a18b5d23c60a959e5ad63b14f708cf7297ad89fefcc022100be7d18a6c3586a5eecb3b15fdec81b19ef48e9cf1f7f18f2dab4d4dcd40e8e18
 . . . . [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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