klnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a2:6d:c0:d4:e7:80:25:ad:dd:02:c7:6d:68:a1:cd:d2:e5 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:a2:6d:c0:d4:e7:80:25:ad:dd:02:c7:6d:68:a1:cd:d2:e5
Serial Number (int): 316608488327222366685497559733155398537957
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4a:9e:d7:a5:4d:01:27:35:16:ce:5a:d3:92:f7:eb:e2:ed:49:98:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a4:63:df:74:7e:6f:d4:fe:b8:54:f5:49:8d:5e:0f:5c:90:d6:07:d1
Fingerprint (sha256): 54:a4:2f:b6:62:00:c4:6a:31:93:33:b8:81:f8:4f:aa:e7:0c:65:5c:f4:4b:89:b6:e2:bd:7b:12:af:01:a9:03

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 316608488327222366685497559733155398537957
 . . . . . . . . [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 2019-10-12 03:50:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:50:15 +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 855106176317528215212779676628520260160499945494944535409442150308481859101649287587800609649726995079893560945167676330985992877971541447163675106995209052135982126478380325816281459317629310410616390986234126318160758166686091875632223604932824463409159987497291433908478772752967465232694316756268559156862604778033327748026989217204342637393761469151394344460106249220869283800352888164443991084575023191798378771334894030214763918285300004919774280521494636081886436787896133174617447382500673767687056044436025676679726566445422418186785399522007910538375412683368487492364717192982977313503106461719505841721798623812312589809808139643498979110293060902685386119122943499640841753744236742587769989841898930610947292598152661311825175789492524377014817374915776778638612251350383731493267000036825144788923018915824431578324861580469659826012851341352934774093353614816702097657640714339670563281669105700007550454352379063062086782428736267556339280826881550251995026229167938329259540915115396613586295498719068562904162088150539083113290659113891065224779504525507843188404875789779005712015621872237706631952821976567688283407695834648270729777167366472331020087544434589743282363602508268435218347561831643312880164684433
 . . . . . . . . . . . . . . . . . . . . [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)
							4a9ed7a54d01273516ce5ad392f7ebe2ed4998e2
 . . . . . . . . . . . . . . . . [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)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbe4d8a100000040300473045022100ad0c6c2cf3572707025d7d0a2ea919f015797f4d0d7fd7c248144200cf5fe8ec0220767120595146412c84d6057792a028d502aa567e82977536fb3dadc61ba18aba0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbe4d8bf900000403004730450221009d81a51c901ae9ad09f44ba36eeb75fe64a85732822d489db0d8a5092f02395e02203689eb9d56af64d00fc91de77c6136bca683aec3fc13876f4540b34a81c06309
 . . . . [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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