habrtech.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:78:c2:0d:80:96:79:65:ff:6d:b8:61:63:e5:02:54:6f:4f was issued on by Let's Encrypt.

With 2 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=habrtech.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:78:c2:0d:80:96:79:65:ff:6d:b8:61:63:e5:02:54:6f:4f
Serial Number (int): 302428682164905014826056223846703767514959
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 56:a1:c2:ed:9b:52:f6:41:f5:77:5c:81:d4:22:2b:ef:0d:2d:7d:d1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7b:6b:9e:41:98:50:4f:91:d9:4a:a3:ea:51:22:c4:9f:c7:01:aa:14
Fingerprint (sha256): 9c:3f:96:00:b7:d1:88:5e:ef:93:d3:54:aa:d8:aa:e9:16:12:64:e4:18:44:d2:87:b2:25:03:a2:42:f4:9e:9b

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

Revocation information

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

Check the revocation status for certificate habrtech.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for habrtech.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

*.habrtech.cz
habrtech.cz

Other certificates including the domain name habrtech.cz

(limited to 100 certificates)
czadsb.cz
czadsb.cz
www.habrtech.cz
czadsb.cz
www.pleaseintroduceyourself.xyz
dev-sps.habrtech.cz
habrtech.cz
kristophervala.ca
docs.xpack.dev
auth.zap-torrent.com
checkers.popoko.live
www.gaorai.io
admin.pod.otongtong.net
www.fittxly.com
worldofhensnft.com
czadsb.cz
collections.arsbrevis.net
habrtech.cz
damuat.umusic-online.com
www.fittxly.com
www.ltcrent.com
www.buddyrecs.com
www.ashtanga-pillars.ru
czadsb.cz
czadsb.cz
www.sabicgroup.ae

Certificate

The complete raw certificate details for habrtech.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 302428682164905014826056223846703767514959
 . . . . . . . . [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 2023-09-05 09:21:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-04 09:21:10 +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 'habrtech.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 646984820472137221027039717795404489806716233157678895384688906946454998095902632161261621357777301267680966485237887702238762400006470390625463886627444509812461860834917161113465485745983764289995166792633072530676767178674715429706609676538855210970335532435364399693134905811840203189825796234889514686205324472434180559098181263917582151066473227374237406253886566959994675805692886169970826327082094647607965080745646311940382203049958378653137858258401420145154159527947986269068262293644833552879380868343139031422830724272298333192705643958066598738551850285100602835349091623013260923081798627052628812261894459159954609183844810399955427127919368229493039868957098525828282184675604648968472504487965014761257617718191491447467582531661986538073864966742543173356365977843200499149572092564764793183143138652330554049450441009441845087675600362247587044155164692083944130067573020327597459873867406595132836311542402426709510620864449112783617316144115677148558936243319456355744296504347196084472175157918346426979941462687342081496485531949176747823194917674882846436082862830045810123203428814924187622082039099512677196789567066883770174247705482810128650457088856733229600847280848312433653126438384516890687060777091
 . . . . . . . . . . . . . . . . . . . . [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)
							56a1c2ed9b52f641f5775c81d4222bef0d2d7dd1
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.habrtech.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'habrtech.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)
							00f20077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a64dc446d000004030048304602210080457550a3f8a2ce4cc00d90179d4555415015d58b9aa507a93cdf586ad4930e022100e0658c67c07307dfa602abd522e9507df496bda92b136e4c56f09b6484583a57007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a64dc4462000004030048304602210085ad1384eeb7c6d815dbad595291b9449d5ea96c24face1b3af00a75a5be34a2022100864b1376bbde82df06aff489c957010713795557642d61513f2aca1e1b345b06
 . . . . [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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