kf2.icka.eu

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c7:d5:00:53:a1:5f:f4:37:12:16:79:d8:77:0f:39:b5:50 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=kf2.icka.eu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c7:d5:00:53:a1:5f:f4:37:12:16:79:d8:77:0f:39:b5:50
Serial Number (int): 329336176071875108831793791096293632357712
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 18:37:27:6c:a1:f7:cc:7d:19:82:37:4c:39:e8:17:fc:0a:74:cb:7d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d5:a6:26:18:62:c4:98:28:c1:37:95:c8:46:29:2a:dd:f3:3e:9e:63
Fingerprint (sha256): 48:d9:09:d9:52:8e:03:fd:ae:16:5c:c5:46:53:06:22:6d:87:71:b3:f4:0a:0d:cb:36:05:c9:dd:d1:00:1b:e4

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 kf2.icka.eu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kf2.icka.eu

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

kf2.icka.eu

Other certificates including the domain name icka.eu

(limited to 100 certificates)

Certificate

The complete raw certificate details for kf2.icka.eu 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 329336176071875108831793791096293632357712
 . . . . . . . . [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 2018-12-11 01:00:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-11 01:00:30 +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 'kf2.icka.eu'
 . . . . . . . . [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 857133335038867717256470769895742242684650391381760627269538747414170941680718275049564047122192007845908675272125299744848878148704034400628133059516734027264398025387867814497694698523452516979513810099589234452006281442751541511821191234170928235959273602552151869667258282516937767995472804034644244746516135649963908747646395895663037326286671765853041324367878607571338256735781141477336936460558278013185080317196822759667465743197030374360155793311384869373012190433168555755412698967443980378365298374874700731994152788330936094027433635204796154323075224211280318373585902344630585729910383354878977015789546205380173777361279016921862219192786901199175079613567160381914910616709883079980568578560625952320905942851233340900835747129862845672200578907008036125115498200342395568602209407564834209787896659410962706165620797456613980162698066016665690538449184747759628110459999697749942073524883356798352858993993176716219813265420923883130094686998108182257714109407023344608610937617501009899016463808381613422103293179841234231944001662973944417699726769398101543238528575567640159528308008486281151684087613656425428880995899670270252686865064266433702765955333698163620858517867841452317933838425311388817409927372969
 . . . . . . . . . . . . . . . . . . . . [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)
							1837276ca1f7cc7d1982374c39e817fc0a74cb7d
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kf2.icka.eu'
 . . . . . . . . . . . . . . . . [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)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001679afe84fe000004030047304502203641165d1f8d1e2316c8dcffcee8ee1f6cc633b3df1e22e65bc504eb1848df52022100db9372c12bab4713eff22d759a6d8d9b5780be28c6c007835152c2e2ba1e88e500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001679afe8714000004030047304502203316e3f11071c8962244a3b914c72ab0476e5a153427fa17ef8bba735547aa87022100dbc1eb5dd4fc28413f975dcbb918110ca93d53d891612fec307eee3dbdc9120e
 . . . . [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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