klnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6e:dc:70:f5:50:ab:c0:4e:db:c0:cd:75:e6:5f:a3:5b:97 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): 03:6e:dc:70:f5:50:ab:c0:4e:db:c0:cd:75:e6:5f:a3:5b:97
Serial Number (int): 299060934828486568632211670690089134152599
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 22:72:17:f9:28:b4:44:cd:70:82:f1:80:4d:30:75:70:ab:e7:74:84
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 88:2a:69:d3:a9:34:2a:67:08:47:60:05:90:38:3e:d8:c3:bc:c2:a6
Fingerprint (sha256): 7b:ed:5a:02:df:ac:da:42:37:07:73:12:70:39:b9:4d:b9:cd:d7:37:7c:e5:87:53:a2:69:85:b6:17:c7:c2:b5

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 299060934828486568632211670690089134152599
 . . . . . . . . [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 2020-02-18 05:36:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-18 05:36:31 +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 792406830043246006604329084542439935474549073052153908011491483928815303798361354454288341479527333139767474431021539488983674603068064610309636089770835880977417753618666273741540264300885026599485056852014372850868626816917757600764433926523695289281746664927197873863887578924717528119344069245346653619393389187882380124800654743113899182043742612569921712183086646304275482493036196658146001005452584329182004796229612556596517342716298240942756650156810765461265147617031078771796309778524185724121488416762985756578954428807241057415691127269864456128003309753612399461621282296798140855435523434529644126202986265328819477401546484933464219548781202047899131429931532507369889014687854480228127060995787269325995457928534792196541472943182853254039211529171577744425074021241779457492499255424139015173395879724847230365770184015408507728834874366283957907787498410042066419592901712862777233438484854955991715789244206897801443858715305933077524940362555647724458068643636528446113223561326036901228977760203152434316521052377933500233282921346152434808399129927853719254351908922930531942621158324795846465243344485622231382286018477499729552007293647111417683476936145198268418807605358686511206901835143961883365000949431
 . . . . . . . . . . . . . . . . . . . . [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)
							227217f928b444cd7082f1804d307570abe77484
 . . . . . . . . . . . . . . . . [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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017057032e6600000403004730450220459c58974df77bec00b1ffcb00bdf48e31398236bb47e3db721550733b898488022100c9f5924920f8a05951b66e9238436ba62715107dadbe119ea797a4e3b0fb322c00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017057032e8f0000040300473045022100babb7b4f4383875e82e3a3302e1148b106396890987021c5bdca38627d50635e022008523252b57b7f7b1c48f854e77ddd30898631e6d8216332c542274fd1244cfd
 . . . . [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)
		0032c4b08d9b0914be0f84ab47f54b8779cc46f72487c114e02e02725955cad8358a662343a182bd2089374cad9eb3555d81ac56da5eab8cf60f2a0db1ebd114226acf11b618105601aa3aef723d7f02effe916d552b27fc67a8ad97530ca297d448291530c3f629183da7e81e2a21ff0b2f8c11b8ddc22973e0e7e6ca981fe44c7bd6a2871e49ffb608ece73a27fcc124a790bfcfd32216d9ba43f2db2c2e92721b458e19c597c318f9bffd02c31419de180366cb00b2db1c58a4ada85201bf77e3495edd93e54492f4fe2a7c59f67af762aa065ce368c845d0f01b27ac01faef75c11776f6313cf3b5ed5e772969e71fde102ab12bf08209eaa466052c912df9