fdrive.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:37:b5:f2:71:6c:13:03:7d:28:b1:6e:06:5d:59:16:97:09 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=fdrive.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:37:b5:f2:71:6c:13:03:7d:28:b1:6e:06:5d:59:16:97:09
Serial Number (int): 280294237079484001828828831425747270145801
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 84:25:9e:09:e5:f1:34:94:75:29:49:ff:dc:aa:e4:b5:23:04:46:84
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 00:19:a9:0f:1c:ae:8b:72:44:a7:f8:59:0c:a6:6f:66:b2:9c:0c:9d
Fingerprint (sha256): c3:7a:b1:ca:3f:c1:8f:c7:ff:e1:6e:68:f9:f2:1c:7d:9f:b9:9c:56:70:d6:fb:d2:b7:58:d5:e7:fc:90:79:12

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

Revocation information

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

Check the revocation status for certificate fdrive.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for fdrive.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

fdrive.cz
www.fdrive.cz

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA80rcMyuFsHGgaXIHKgfW
ZZFuuq/Iut+0iOkZN3t4Li/Lc7JdtbhkTS0+scT3eO80QKprrAxRzgqgHSf/R7+y
BV5Dc2LMOTtUo29icUYDZXfTGE/9HjbIX8DVIQJiQ/HDfwwFKgtwSrQAtV3NIPMs
uU3No30+iRmREeWHMycIgPh0LAoXQsZMnLwF0Z9q/pf3aZPy7sjgfZF333kcLyHn
ZmtY1r7ASx0Ff4kMBjlt+G1zDoL51qT/MwPle0y6dNkMf0WCzQ4JdubyN8KhYyzt
ou55wfGgIeTzv/ZXgxgSbenj/snnI/1C2xZQvKg+i8aSl98lK0QYWyqKrXyzvjK7
bQIDAQAB
-----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 280294237079484001828828831425747270145801
 . . . . . . . . [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 2024-04-07 20:08:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-06 20:08:30 +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 'fdrive.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 30712823025411322244038374301008741284511222141829642610326461246916740012127006175753646766861430412727190142139613154660727440968978784700484150919126251605223641434621560635707347412669581478751760210074138147792798880208198738354690281472087476833323764520757756981957920660310700485316476019609048883161351849323231569925640773485599151078326942085916475905554137339174715176726064682180700343253397406938118352913420155063228797753745886467469453827855834931479842045781740927211659426782702698003254869136995371951585951995652840964701253073477576201066708743783243579174920546671614680644739570066240274873197
 . . . . . . . . . . . . . . . . . . . . [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)
							84259e09e5f13494752949ffdcaae4b523044684
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fdrive.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fdrive.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)
							00f20077003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018eba642d240000040300483046022100b72c918282029f4855db6e9d0d36bf4b33be04494176897af06bfd8bc5f7c9f4022100a1566247f2544f44e3392908abbfec45c0761cd34b9c31dae08bca9a320ef170007700dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018eba642dde0000040300483046022100b58ef3d019519cdfb52aa449906f6277a573629173d08af8111464bd97bdce2e022100d80728827a9eed89115e46cb9390ea18e13eacedb44e6593f0b428d33688de00
 . . . . [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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