DV SSL/TLS Certificate for msveltruby.cz

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the msveltruby.cz DV SSL/TLS Certificate

This certificate with serial number 05:b3:db:6c:ff:8c:ae:90:64:54:62:62:b7:ee:6c:40:5e:62 for msveltruby.cz was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for msveltruby.cz provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:b3:db:6c:ff:8c:ae:90:64:54:62:62:b7:ee:6c:40:5e:62
Serial Number (int): 496763640219947253164606535421113476865634
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 52:ab:33:ba:38:32:8a:c1:27:6a:11:a7:07:5f:e6:85:5f:1b:ae:0c
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 3a:ae:93:b7:7b:a9:e9:2d:b4:ae:a7:54:ae:6b:8f:d3:f1:92:db:fd
Fingerprint (SHA-256): 10:a4:53:03:20:80:ad:ad:53:2a:1a:49:59:bc:81:46:59:cd:af:63:ad:8d:ca:7d:b2:05:de:ae:e5:a9:37:69

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/99.crl

Check the revocation status for certificate msveltruby.cz
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for msveltruby.cz

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for msveltruby.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAusHibHpIXtnwvRW2ucUg
vuju93fxie4ggQnDK53jaoYXYLa7kv18UXGxV/wdvku8iK/S6s4ut7ouevbyTb8h
e7TMdA07wS7rzH4tXIYHwVz2MjJ4gZqPup7dJtqfriZlYnm1fzA20nZHGumIM7Ja
9uoPjEYoU8zfwLo8H6G2b4nLnWbYjibJ7U4TV/txiuFsRKVeDZSwSn4J5wvFXV3F
4r9NU8tJJ88hGu61XRkOuIhbqesSDESotfYJDzX2deUexVW+JPReB6GsUzbAjpwD
dFecL7BB/cIgx+uamTipT0qCvj9wAojrUax9yZBYYGgIOCs+T68KfotRIlJ+FnkM
JQIDAQAB
-----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 496763640219947253164606535421113476865634
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-01 01:22:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-29 01:22:29 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'msveltruby.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
 . . . . . . . . . . . . . . . . [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 23575932718087180422123629311174685872568972907783185227772615523168930152535908741355368608795828818940929940638095265778795149792525810864604263236595734249812371713619276368225855178594708820930620434409640507980665534180021521212725167799117241821218526907326549280449674407547157588946757448639937492097230183676444489277112845906012527208422492038584903351905447287732234538605567226089325007637647015846649199206143871743225347020788386825855824350551771397588667076383080062071058900345769371331114034190400277309182839255174071241456016838902583743127072899353711777229150535990971981822497786629195279436837
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							52ab33ba38328ac1276a11a7075fe6855f1bae0c
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'msveltruby.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.msveltruby.cz'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/99.crl'
 . . . . . . . . . . . . . . . . [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)
							00f0007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197c3c9a2fb0000040300473045022100f8ce9f0b72ce9fe9e40a241702e0e6bd9f4efa5c93b0e873d02fad301f770d7502200c53d9428912ccc1e1b8eda4213a78a99e19556c9a5e05993cc0688163c26f930076001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d00000197c3c9a2de000004030047304502206f1b2a4e07239ce2573e207aa84462129b7c576fd51e793c506be91af62e3ff7022100fbf70a1e16cefc183ab8b52747f0a016b8b51785d813da0ef59579c3e472c666
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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