klnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:38:5a:9f:86:3e:8b:6a:81:a8:93:eb:86:b8:d6:05:46:e6 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=klnco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:38:5a:9f:86:3e:8b:6a:81:a8:93:eb:86:b8:d6:05:46:e6
Serial Number (int): 280513129160472623499980215418734206338790
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 27:2b:2d:9c:29:38:81:28:32:49:93:b1:88:07:29:a6:f9:38:80:6d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d0:23:b8:3d:5a:eb:4e:87:b6:67:12:be:d3:82:3e:c9:de:ab:4e:80
Fingerprint (sha256): 73:37:61:5c:59:2d:69:df:a2:f8:40:13:86:d0:ab:49:97:4e:82:e2:17:b7:95:14:87:38:d1:de:a3:12:e8:ea

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 klnco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for klnco.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

klnco.com

Other certificates including the domain name klnco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for klnco.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 280513129160472623499980215418734206338790
 . . . . . . . . [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 2019-12-19 01:29:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-18 01:29:22 +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 'klnco.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 878801406186775113890517891697828811277560270425184556684009979730536914682798932261225991124787196461847656754014619477671817295729998125378807191287820398728237660921708685946261527348199714542479885058377475240409293644231275598348527786623338553238833993579351157361278362009575183041884785946076888111457882340900817899715781206243036599487924967522527529866812090644193665050054691786868520522525394176732868078259777549631660005604537713524697661276774987261038846496189569586756885892016917085489189718032135799454888328671424426238465243929396900762587162036418025686933152056891769905151549865380663918706075661838653046380945434347091582513331144499702599920663293377468906289428082336682486461743164146780493358518074821327143534084736735632437872630772779408311878393357558118034167071211369592790228839874307979141897716360997691400423914143362435150182568682470465478603847130623533703422553907993656266892781482366705445999846040252883756240149538754147685349417529621652247449051145740816998697803079005312537246436594808037714804984212780195343232349788787779285726036417501100220315275921033898002870261818350480638620415800883017902101469411276761100423175290796592728309597793026645301071070181873640930515581619
 . . . . . . . . . . . . . . . . . . . . [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)
							272b2d9c29388128324993b1880729a6f938806d
 . . . . . . . . . . . . . . . . [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 'klnco.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)
							00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f1bfcfc5c0000040300483046022100daea0d473a524aa168dcbe60011784264ae0deabb231af99dbca64a73a7b9f6d022100cc434fd014baf8d15c206e531af26da915dca04ce38e2b5453752e74ea3b68b1007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f1bfcfc58000004030046304402206d6a190c51eb98fa2c68d5fd5a00f20bc08143598f1c84bd6432dc19dda67cb902207ac4185a3991ddc48380acaf071cb132b3ef01432a0d4d811c0e24bf968df010
 . . . . [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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