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 05:9c:fb:5d:d7:f6:8c:34:f8:4d:fe:07:20:05:e5:1a:98:c8 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): 05:9c:fb:5d:d7:f6:8c:34:f8:4d:fe:07:20:05:e5:1a:98:c8
Serial Number (int): 488979602389269075858195613327085337745608
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): 14:25:f8:7d:ab:a2:42:94:7f:ff:3a:d0:bd:5b:2f:48:17:4c:24:d1
Fingerprint (SHA-256): 37:9e:06:0e:79:c4:bc:d9:e1:e1:f3:f4:c3:c5:0e:2d:95:cf:ac:d9:4c:64:d2:d4:f1:af:db:0a:e5:54:41:cd

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

Revocation Information

OCSP Server: http://r10.o.lencr.org
CRL Distribution Point: http://r10.c.lencr.org/73.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
Digital Signature
Key Encipherment
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 488979602389269075858195613327085337745608
 . . . . . . . . [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 2025-05-01 02:01:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-30 02:01:31 +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
 . . . . . . . . . . . . . . . . . . . . [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 (75 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/73.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019689c97183000004030046304402202266e44b56d8eea78cf3ec4bca0c4904fe7f705cd4de625b4e0abdfd864ec46602205da6b05bfea6130e7e30ef91017258330d576c363eaf8c4809d0e891554ce96f007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a0000019689c971b9000004030046304402206840f5cd4c8f83c0d8c269ffd65ecae32c6d4b62a00ecee27bfc77af261f4a2a022067f27a65717678fb99f755e849e870f82b6e8f18f4c80a8363c921234ea4465f
 . . . . [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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