zona.duhovkagroup.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:80:fc:57:a3:8e:a0:fb:4f:1b:2a:19:b0:be:c1:ee:83:3d 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=zona.duhovkagroup.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:80:fc:57:a3:8e:a0:fb:4f:1b:2a:19:b0:be:c1:ee:83:3d
Serial Number (int): 305228421263258340480927091202689107657533
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 88:77:79:b8:16:d0:b2:74:f5:69:12:1e:7d:58:ae:90:a5:d4:04:29
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 24:23:4a:50:46:a2:ec:fb:02:de:1b:a8:26:f7:d3:77:d5:a1:29:3c
Fingerprint (sha256): 0a:27:4b:be:45:72:a5:7c:6b:69:28:a7:e0:00:b0:13:6a:46:70:78:d0:db:78:47:1c:15:e6:70:bc:3f:a0:13

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 zona.duhovkagroup.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zona.duhovkagroup.cz

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

zona.duhovkagroup.cz

Other certificates including the domain name duhovkagroup.cz

(limited to 100 certificates)

Certificate

The complete raw certificate details for zona.duhovkagroup.cz 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 305228421263258340480927091202689107657533
 . . . . . . . . [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 2019-11-22 01:36:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-20 01:36:06 +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 'zona.duhovkagroup.cz'
 . . . . . . . . [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 879341933053158900504233021178664935678066559628659671333567868873640264633320675016564977109532312658679229725984890602355345077469222886962860556172354962950667866994969582022058919265605132318249604424953383177969990595256792528569978017848633735218210483970086705643968555848467534835078932873151749746510121186859575816273235301977570981754691958780855220990993052961795376332444579657909813458993603745116942722091793627122002284516717670937761683142871716700236298462243112356975795619455596365068625839279077160826839902574321100992210485758455804430105283310024914440299143838253860445157224833985008237133381811449776589318774692428669875110265318156339600165877387934839327095721152984532643973760817168585305658141273264328793591876800723833046314054729728717498963306174882169746926579647766741579912425736593246697364760594465477183338071816902332040993686300165289571409513268588855376722956485934526236131595929471062784308639556694022839105416034509749582978600164882403700662614045946802611816104944221754296382660387491539083548071315792099238464452193639623725649303836817588416442972404111650047213686994980374613350048623344773878659220977365775390598928022203572123135317178700002365111073632713118224689194433
 . . . . . . . . . . . . . . . . . . . . [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)
							887779b816d0b274f569121e7d58ae90a5d40429
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zona.duhovkagroup.cz'
 . . . . . . . . . . . . . . . . [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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e90f772640000040300473045022054161b7da5a26ee63710d61f9aed52201bd12cac7b40e9e65298c5c68b148f7d022100a758c5b20082ec7fe4997a6bc9ec0d03976ef3835c63dbff3b6ada0f356986a700760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e90f772b80000040300473045022100f53dace1359605491deb5a9e40aa28e8aeba15aa32938eaf1306caaffb68de49022052fd5795054d466d4d5d834f79b8eb970de3eb84d040acffbf2d2d05fd6c9c2f
 . . . . [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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