lklco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:f8:7a:ba:c2:0b:1f:45:68:42:35:0f:aa:de:69:1e:9f:0a 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=lklco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:f8:7a:ba:c2:0b:1f:45:68:42:35:0f:aa:de:69:1e:9f:0aSerial Number (int): 345890020310043576932836180139976012242698
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 75:3e:09:21:90:1c:c5:3c:34:f3:87:47:de:8b:41:c5:99:18:7d:1b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f8:a8:b9:43:71:16:96:b6:b8:77:52:1f:2f:5e:c9:02:48:c8:9f:fc
Fingerprint (sha256): a0:94:40:03:e8:ae:84:50:f9:eb:12:86:7e:a7:8b:d3:3d:02:89:4c:3d:d6:5b:f5:6c:6e:a3:16:dc:11:da:d7
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate lklco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for lklco.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
lklco.com
Other certificates including the domain name lklco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for lklco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSjCCBTKgAwIBAgISA/h6usILH0VoQjUPqt5pHp8KMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMjkxMzE5MjBaFw0y MDA1MjkxMzE5MjBaMBQxEjAQBgNVBAMTCWxrbGNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAKUFakNg0nhNSO/LxBfC6KL1ZNh9NO5c10eAQE8N cScxBIrIqzNIuX/JvxtO9GH3RXSfYDoroSd0ruptbdfGhviFR4H73bBVdn/j3dTA UV59FM14ejxwDocH+yQPbZGIT5UupOg6HrDrHaMST6TITNYFtHgtdFwUqxKKHj4G kWewfOG/D6Na0+1TO5CV2Xeyk2dSlV2R+5uvw5lAcs3s7E5VzZg2vN0kX918oEIo qRZkE/SKmoF2dva0jXY2Ib9ALqxOpJFglcq/xgHjbBZeb8bmK8OUdQaYv4a6EL00 N9OUM9KOWOokoCOkzsUxqf7fnGYu877Eu3GdZdpVaSSJaAiPDHkYmv1kNPL0mh+9 uCyYu2WZkDsz/Y3ggzZO5jKTht4l61cf/MnqmlA7qf7czn+EGPk+72+iGQiRTEyB pdMs0VEvYaQ9kDL1Wy9ulJ0u8RX8M4eKicLWhiQdid83mbxGQ+yxVvPPJwzAwhh3 EIR5G+6ED/UBCbhl1ZuRya34Fnlfw6GcYhGeP1ZfG9aZj7aPexMdBQgsmuDzwfFW 8NK/nTW4PE7y35+i3U3XlQ3F/JRmDa+u8prgmGZhWEcfIg/c5UsF7gMWSdtnnID8 rIj5TnXUg1lP1EPBuhdVXXugVMm7J0Z5TugxfKLLsW+dN5T1Ako2nPrfAPVhBcz/ DmYZAgMBAAGjggJeMIICWjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFHU+CSGQHMU8 NPOHR96LQcWZGH0bMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJbGtsY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYA8JWk WfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFwkVDdLgAABAMARzBFAiAE X2PGp+5nxJHi7ZrMgllFTFPTsDZLdwt7xi4YDolmbAIhALxvGhqUTdJRobuVs7cE 3ns7eMR287vM90nora4iWGBvAHYAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6 GmnTohwAAAFwkVDdVgAABAMARzBFAiBTumBtdTA492nXXZ7rR6nz4DmZNE4ZmUgF DQwTjxfL8QIhAJ0we10jAipdVkXNuu9Da3nCYGceojWnEjLze8UwHmcpMA0GCSqG SIb3DQEBCwUAA4IBAQBO8YxDgJPbJ5x/RjmaTRGk4f4nvKB0hpRNwoqZv7kkZjFN wPa1bZSy9BMEVnvPQQv5IDj+u4ncXLJAqLTzvFM5j5zsRrNZK5ai5FfuIvnP2hP3 ISWYhPYGF2V+tCYkb3IUvnfntjrsHIOxIvVG45kOLISRK4/uJXlTUKK/B6jDoQsy WSvNqPT/4SMsPMyNF/JdCRUFd1k/t+TAqn3dt8Z1F+kSS8JoY730QWzkm3Ug0jVF OUW6rFbChnsfn4L+rDZrXnQ8JOcXA7sbsCYImrRXDtTnVt1uD5ChoKmDKJH0U1Uw Y64/25UE7XNp9wvomLsN52ERpHHTI5vQKshSaA/5 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEApQVqQ2DSeE1I78vEF8Lo ovVk2H007lzXR4BATw1xJzEEisirM0i5f8m/G070YfdFdJ9gOiuhJ3Su6m1t18aG +IVHgfvdsFV2f+Pd1MBRXn0UzXh6PHAOhwf7JA9tkYhPlS6k6DoesOsdoxJPpMhM 1gW0eC10XBSrEooePgaRZ7B84b8Po1rT7VM7kJXZd7KTZ1KVXZH7m6/DmUByzezs TlXNmDa83SRf3XygQiipFmQT9IqagXZ29rSNdjYhv0AurE6kkWCVyr/GAeNsFl5v xuYrw5R1Bpi/hroQvTQ305Qz0o5Y6iSgI6TOxTGp/t+cZi7zvsS7cZ1l2lVpJIlo CI8MeRia/WQ08vSaH724LJi7ZZmQOzP9jeCDNk7mMpOG3iXrVx/8yeqaUDup/tzO f4QY+T7vb6IZCJFMTIGl0yzRUS9hpD2QMvVbL26UnS7xFfwzh4qJwtaGJB2J3zeZ vEZD7LFW888nDMDCGHcQhHkb7oQP9QEJuGXVm5HJrfgWeV/DoZxiEZ4/Vl8b1pmP to97Ex0FCCya4PPB8Vbw0r+dNbg8TvLfn6LdTdeVDcX8lGYNr67ymuCYZmFYRx8i D9zlSwXuAxZJ22ecgPysiPlOddSDWU/UQ8G6F1Vde6BUybsnRnlO6DF8osuxb503 lPUCSjac+t8A9WEFzP8OZhkCAwEAAQ== -----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 345890020310043576932836180139976012242698 . . . . . . . . [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 2020-02-29 13:19:20 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-29 13:19:20 +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 'lklco.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 673227566700994932498300882058425379865723943035511896194955087737755232748879937445525119655263533393535250853721210415742618182105526253740202255202745498201048096753171022730647631327015566898499919570189021472165480341790009168120455741421777630967176917505491402421882772599162756768127856492403643118344693408058822418408507448924352560354250598868892940744206557615523046091947912376196198185347979842191788152917878735610133019214793150045063647276560099104864586655425868522342997739917436321759124936847891368945746697469698905357573837178157460561339395752305702972741688129974175856864486306808484767279033011926169236985612078512691753317998608678522759658746705171508979412811191669693858496114831770364255807740827547306176042836835146052058234226154097406296887924179710102425861157108144617873660157434482464577058187768122270294238001717832465150178402690311343919445993106745615480898239061938555384566429794846646112947437602361967314509486616575913420521900020987317369991303417258925780530886206029282092272667029801652760430670531560586271954143477614116958915927203464838595327720707992784790024933058100856535698165958065834016903206775819636972931786559272546052252719949653038540010239364488481985006560793 . . . . . . . . . . . . . . . . . . . . [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) 753e0921901cc53c34f38747de8b41c599187d1b . . . . . . . . . . . . . . . . [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 'lklco.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) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001709150dd2e00000403004730450220045f63c6a7ee67c491e2ed9acc8259454c53d3b0364b770b7bc62e180e89666c022100bc6f1a1a944dd251a1bb95b3b704de7b3b78c476f3bbccf749e8adae2258606f00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001709150dd560000040300473045022053ba606d753038f769d75d9eeb47a9f3e03999344e199948050d0c138f17cbf10221009d307b5d23022a5d5645cdbaef436b79c260671ea235a71232f37bc5301e6729 . . . . [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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