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:97Serial 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.orgCheck 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----- MIIGSjCCBTKgAwIBAgISA27ccPVQq8BO28DNdeZfo1uXMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTgwNTM2MzFaFw0y MDA1MTgwNTM2MzFaMBQxEjAQBgNVBAMTCWtsbmNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAMI7+2j0CecbXeiAwHXAWwJKGqZ1WJe8FdQNOu/c 7dsCNnogoVMP4C7HfqbIqtdvPmsaSW7FZ/DdGJQBCHHGKPCA3u50xRwf8VMiDPwS x3SnUW/5pnZ5RNueaSmnmEtlOHWWwtnBobwk3wWUXS0UbdYjI+TbF5cPQ+ZmHM7V 3QXFjvfgKixBWF9M7Hm3Jw6rRQWmFBo6dK+bid1MV4q13qKNKfqX+hDgR+XOqN3B eYT+40PdfCMldbR5T+aPgUCWZRRwUE2GMfTZoVWzu7ieJvGJHQdblK6EBeGyhcLU MVDNreln3HCir4H8r+guhEd85QEE8q4DhY4Nqwt7hmbJy1YoPn5sXmNkQ6qO8EZ0 2Xx/1EG7aLcp71cvm01zlotowrva8oy04uSMWukk6esMBZf1pGZgf66ClFoSXVIJ tJhe0Fgj6W7Ej5UzOka9u1zl78v2IcvR1SGdYimdbZ6PBmwQb7jSbv6KrpUaiGRV 1XQtj8t4jBBv0241PVVs8l5Pap+JpGjj4ScX8+2YXix6GAmtgI9ZisI9VryjbjEp e4oZTFI/LvhRueQzNB7xQtjlV27ic7BkVd3ENeL6Y7yzYRVZBt/l1HBC/Tu0lIT4 2sVqjXuHMiHrCHJJl/5XHtJR2vBdFBA3Q93by0Rxxt7Yi7hxjCWY6jzlqSE5TC63 +S63AgMBAAGjggJeMIICWjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFCJyF/kotETN cILxgE0wdXCr53SEMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJa2xuY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYA8JWk WfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFwVwMuZgAABAMARzBFAiBF nFiXTfd77ACx/8sAvfSOMTmCNrtH49tyFVBzO4mEiAIhAMn1kkkg+KBZUbZukjhD a6YnFRB9rb4RnqeXpOOw+zIsAHYAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6 GmnTohwAAAFwVwMujwAABAMARzBFAiEAurt7T0ODh16C46MwLhFIsQY5aJCYcCHF vco4Yn1QY14CIAhSMlK1e397HEj4VOd93TCJhjHm2CFjMsVCJ0/RJEz9MA0GCSqG SIb3DQEBCwUAA4IBAQAyxLCNmwkUvg+Eq0f1S4d5zEb3JIfBFOAuAnJZVcrYNYpm I0Ohgr0giTdMrZ6zVV2BrFbaXquM9g8qDbHr0RQias8RthgQVgGqOu9yPX8C7/6R bVUrJ/xnqK2XUwyil9RIKRUww/YpGD2n6B4qIf8LL4wRuN3CKXPg5+bKmB/kTHvW ooceSf+2COznOif8wSSnkL/P0yIW2bpD8tssLpJyG0WOGcWXwxj5v/0CwxQZ3hgD ZssAstscWKStqFIBv3fjSV7dk+VEkvT+KnxZ9nr3YqoGXONoyEXQ8BsnrAH673XB F3b2MTzzte1edylp5x/eECqxK/CCCeqkZgUskS35 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwjv7aPQJ5xtd6IDAdcBb AkoapnVYl7wV1A0679zt2wI2eiChUw/gLsd+psiq128+axpJbsVn8N0YlAEIccYo 8IDe7nTFHB/xUyIM/BLHdKdRb/mmdnlE255pKaeYS2U4dZbC2cGhvCTfBZRdLRRt 1iMj5NsXlw9D5mYcztXdBcWO9+AqLEFYX0zsebcnDqtFBaYUGjp0r5uJ3UxXirXe oo0p+pf6EOBH5c6o3cF5hP7jQ918IyV1tHlP5o+BQJZlFHBQTYYx9NmhVbO7uJ4m 8YkdB1uUroQF4bKFwtQxUM2t6WfccKKvgfyv6C6ER3zlAQTyrgOFjg2rC3uGZsnL Vig+fmxeY2RDqo7wRnTZfH/UQbtotynvVy+bTXOWi2jCu9ryjLTi5Ixa6STp6wwF l/WkZmB/roKUWhJdUgm0mF7QWCPpbsSPlTM6Rr27XOXvy/Yhy9HVIZ1iKZ1tno8G bBBvuNJu/oqulRqIZFXVdC2Py3iMEG/TbjU9VWzyXk9qn4mkaOPhJxfz7ZheLHoY Ca2Aj1mKwj1WvKNuMSl7ihlMUj8u+FG55DM0HvFC2OVXbuJzsGRV3cQ14vpjvLNh FVkG3+XUcEL9O7SUhPjaxWqNe4cyIesIckmX/lce0lHa8F0UEDdD3dvLRHHG3tiL uHGMJZjqPOWpITlMLrf5LrcCAwEAAQ== -----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) 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