kl4fc.us

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4a:f6:a2:71:96:79:25:4a:e7:3f:22:48:d4:39:3c:b6:68 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=kl4fc.us

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4a:f6:a2:71:96:79:25:4a:e7:3f:22:48:d4:39:3c:b6:68
Serial Number (int): 286845586490318360542914561866479863379560
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 12:61:d3:29:9e:12:df:11:71:33:90:96:9a:bd:80:9d:91:9b:40:4b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b4:38:ea:18:ec:17:dc:ab:fc:c4:fe:39:b7:de:f4:f1:a5:4c:3b:7a
Fingerprint (sha256): 79:16:e8:45:12:53:78:19:ed:7f:10:69:13:85:7f:b9:f4:64:d3:c1:2b:1b:38:f6:7f:ba:93:78:28:de:8e:c2

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 kl4fc.us

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kl4fc.us

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

kl4fc.us

Other certificates including the domain name kl4fc.us

(limited to 100 certificates)
kl4fc.us
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kl4fc.us
kl4fc.us
kl4fc.us
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kl4fc.us
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kl4fc.us

Certificate

The complete raw certificate details for kl4fc.us 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 286845586490318360542914561866479863379560
 . . . . . . . . [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 2019-08-19 10:09:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-17 10:09:08 +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 'kl4fc.us'
 . . . . . . . . [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 955691048126430626792625683462461232525761106799455962127340966324855598032509100228069305630202386374245333528819979510988875996763826021585962709833950252456991920588107412908142711536621623967835736859924501111649798936834575116660390756894285529628640055542400571068456192080234309489795476620816937589316806332088100689595976204265713739606909575636524966029388967159692820110972311083465405211587819807388818917646431862602088721064493427461197889062440498310781452834535308787420329932003055355331194477940452529443074856958589550207156223430881770690959455482878371728190003904357802433833945699468417834506621029632255339386474510810660712378807063279493493111052495465927455219275509925680056438035114067908457186343207245710512723653673315100706881242004904312569585116387464382884099404447277245223267468301146340675761659793646566465152216792216950205980335563438212697463131754123144900045398340218530861345675013399519575943532333345658378509861092064490319892770124088942479393391850934952714355108868389495572144295167542477138396340045713322403963831127916558702615265644155632931924457016074528936564793314946439188255571160383367687938342575256771276613584711082266768141829401024630919244123052967826436470016271
 . . . . . . . . . . . . . . . . . . . . [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)
							1261d3299e12df11713390969abd809d919b404b
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kl4fc.us'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016ca99100990000040300483046022100e05aae42ac0a11398b70ac06de00e9c5f1bfc6c05194542371182c8b57a9d6be022100d3ec51e12f884af69a5be7e714d2adb581e52090fce0a661058265d46bef96c1007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016ca9910085000004030047304502201a96c4664c371af2018bb24a321885a0ecec8dc8acabb4a0951fa92251b119e1022100855e5a2231106c5173a2db371d8ec4f9c79b0af4cf4737358c3520db55e7160e
 . . . . [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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