kl4fc.us

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:fd:db:44:0b:00:c8:8c:ae:34:dc:ae:f0:09:c2:db:e8:4e 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:fd:db:44:0b:00:c8:8c:ae:34:dc:ae:f0:09:c2:db:e8:4e
Serial Number (int): 347719750856710020854964438355446475778126
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1b:dd:85:e1:c2:86:fa:6c:da:9e:ff:b8:72:07:7f:52:4a:af:6b:e6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 03:ea:a1:9a:df:5b:83:d7:0c:57:f2:36:51:b7:13:22:bf:79:0f:6b
Fingerprint (sha256): da:4f:32:f1:5f:54:31:9d:a6:91:ec:5f:4b:73:ca:03:ad:f4:e9:66:50:90:91:b0:0f:35:93:bb:09:9f:1f:d8

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
kl4fc.us
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kl4fc.us
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 347719750856710020854964438355446475778126
 . . . . . . . . [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 2019-02-20 11:01:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-21 11:01:44 +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 777137355170223709956682793226862775923376938600064445647453755762786995429744426154225469952831045150244395395135588943494231543314190527225904847301093926504817461935233208020566257107145443399056491699720270667138538516878225998544327523763796805085604351485691716113159628794805131314873705397709422584273826941630454559059861129976316595213737465957600645746482947613164908826907138180128572925978330212265805022005096865313978544499341818982113705850384257572952988777278705205999666462525409263691386856921813728384245403548642037495283166430532109872868176968710237200727901947676166295239944192955962403864129837223053714801016341399104348373738774581929611493835376111184512159040927580648832736706795462488666958829080462939034383958570167139055110594565644984491846640393115626288229389363679827585960945054143856404902345576758208176019817511609195185234845574091266215728601349458194903722530395656961750454525896113083767521703671341484313475988044620488270595263068992861739713988022053442536129625105548329470180574741099354777280436158705893557350500034952422196406134754182881971813436098217208646192990881436792920299948547040881322995495985682587609722599169028712053591494556208327333915492168702007055110094443
 . . . . . . . . . . . . . . . . . . . . [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)
							1bdd85e1c286fa6cda9effb872077f524aaf6be6
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001690ac87bc800000403004730450220260d1dda0c6f00b146d68fe4fe282e181b43fea443c01ac93086f7ded52377b6022100ff822443efa8eea6f53b02fd473f5f29701b9d03cf04b8cd5d796489f33a9e76007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001690ac87bce0000040300473045022100b185c14d8db00d344ab04b6f4809456878b5019a9485c86722d400ed33b2b48202202ed6ff2131581722a07ebbc419f7ab3404945f14c9e0273c113360a447379f50
 . . . . [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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