czadsb.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:08:38:44:c4:9b:ee:00:cd:a2:4b:d8:3c:c4:c9:c0:b2:3d was issued on by Let's Encrypt.

With 5 subject alternative names this certificate can be used to secure multiple fqdn's. 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=czadsb.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:08:38:44:c4:9b:ee:00:cd:a2:4b:d8:3c:c4:c9:c0:b2:3d
Serial Number (int): 351246196494065135860218770398909869109821
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d4:76:d3:40:72:21:65:88:3c:8e:8f:84:e2:ca:66:07:c1:b3:72:2c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 00:ad:e3:c9:88:77:f6:ec:ad:0c:dd:4a:c8:20:19:44:60:0a:25:4c
Fingerprint (sha256): 12:57:67:8d:e0:3b:43:66:96:ed:dd:d9:ad:4f:46:cf:46:aa:6f:7d:84:86:81:cd:21:8a:04:cb:0d:01:0c:1e

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate czadsb.cz

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for czadsb.cz

Public Key Algorithm

RSA

Key Size

2048

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

adsb.habrtech.cz
czadsb.cz
notifier.czadsb.cz
stations.czadsb.cz
www.czadsb.cz

Other certificates including the domain name czadsb.cz

(limited to 100 certificates)
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz
czadsb.cz

Certificate

The complete raw certificate details for czadsb.cz in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAquvFXkQPZAThbU1cgdUN
Igf55QgjMS6kccSFJLkXfEUFjiNIFlPT1XHuiJfvw/ky9Pfa1PgV1prW9TVn+AXO
KJDEfoZOw36WG7Asjv6081RC3NNd38B+vIMx5hFsZpI0MLO6ySZjj4fs/HCgyQUm
7wjsp8vCkXgVrORUYffwdBea47lI1k4usAl1WVK0RmMGjQIyXsbZFmYNxTSoZGr3
O4A/itoKMicJJ3Vc0A+6s6n1mCHdFAPi47mMEceDAcLb/CUM8EXlsaN19SZGnF6a
UPa7gwU9Ny+XiSpTIi/tq5hz1KOR7/05SH3ukA8PJFI4o2kuwxyX7jCBTFS+D9w4
rwIDAQAB
-----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 351246196494065135860218770398909869109821
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-14 12:24:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-12 12:24:31 +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 'czadsb.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 21576774842537222560006312050570384478897235076375152689001393949988092708423798121357038220681152219561272454895661101975306610231698193385231648369427672997301677674988029784800154837083370729873545368579255094889273195717500408956983257561453967667549804293148750079930792079517465073252839719782696423683567371875016796374067051387324289652136191703948108665250465400373531876570261907395128162712636717394555748254620949119784543621431720051997076321130677325093693669790122211318798350763445235899043297647903932304096488666002759754823683147892107941013492146730520393515462613538609145662633823874778079705263
 . . . . . . . . . . . . . . . . . . . . [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)
							d476d340722165883c8e8f84e2ca6607c1b3722c
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (86 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'adsb.habrtech.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'czadsb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'notifier.czadsb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stations.czadsb.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.czadsb.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189549315340000040300483046022100bcc0eaab9f1ebe22a09c3c71e9a206e17b1b1e52388ac76cb33718e1fe8771ea022100e9729e5736b67cbef523814d882cb83fb9befadb6773e5fb5207e81ddaaa124d007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000189549315330000040300483046022100e80c49793d6df9aa17309c79efd978c9a53e880db4f73b01b661f18e5b3d27cf022100a0a98b0a39a965819e9075a1c3e8f40a0d3ac32bb88485076dc7429e52f43347
 . . . . [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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