www.travsupsys.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:dd:54:fe:36:e4:44:73:46:25:cd:29:2a:ea:10:c1:e6:cf was issued on by Let's Encrypt.

With 7 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=www.travsupsys.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dd:54:fe:36:e4:44:73:46:25:cd:29:2a:ea:10:c1:e6:cf
Serial Number (int): 336652235993191465133661599026696929011407
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 39:4e:f4:8a:7e:cc:76:d4:ce:3c:7f:ac:86:35:a9:c4:77:c4:2b:57
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 19:ee:48:d3:3b:6b:6c:61:90:a8:0c:28:40:f4:35:e5:88:82:e6:d8
Fingerprint (sha256): 15:5a:27:20:52:fe:35:f4:f0:64:a0:d0:f6:be:67:a5:f1:48:70:89:9c:45:26:fe:67:41:b1:80:89:4b:fd:1f

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.travsupsys.cz

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.travsupsys.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

everest2003.cz
travsupsys.cz
travsupsys.sk
ws.everest2003.cz
www.everest2003.cz
www.travsupsys.cz
www.travsupsys.sk

Other certificates including the domain name travsupsys.cz

(limited to 100 certificates)
www.travsupsys.cz
www.travsupsys.cz
travsupsys.sk
everest.pojistenicestovani.cz
www.travsupsys.cz
everest2003.cz
www.travsupsys.cz
www.travsupsys.cz
www.travsupsys.cz
www.travsupsys.cz
travsupsys.sk
travsupsys.sk
travsupsys.sk
everest2003.cz
travsupsys.sk
www.travsupsys.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq0NRIvAK96Y7zz0Bxpms
BYtZJdftfl+dS/2eqDTN26WY3QF4PTyavUTJsNisLlASQNuRkF8eiM/zXVB4kQLQ
xXaSbbNSdjl6mc60tJ7mr9Ozcl0tBt434228cLdso4PTQO0lPBDzsJE1kiQwmbke
t7LveTuaK+JlfNO9sYeG4rHKtSCxRVNTNir9ubD7v/ErojuhO2q8PHiKVBiynbvC
ILhqQtfFRnjobwOzj+yK2C3G5kcOw9yHKGMZ7GOOHkc1obfLkTeGfoZOWCHgJ02g
57sdROdNh5tiUH7wQp0Mr2dXswpw9T+G1VOuMwsx9t9uCDDR/6kk1K1V5v6T97z1
IwIDAQAB
-----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 336652235993191465133661599026696929011407
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-10-30 03:27:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-01-28 03:27:30 +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 'www.travsupsys.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 21619945369195505143397071355085963828346564016389356182637852774330807177681794774205138339067154589354937921227315649578433437922804255404278941819366789906800635637155032564078372984144855365397269699100298468239258605260598577750774669723553257839037073574752377874640255042475034781114500518656642549208875171501270055234658244613991866990656810471029908182517687804974780851086463349022650291645026475496872955823888480023171057082250648160959895698408633208287630984126260464420030862148786675461679552417670729829192802889613603331181879337013519153672122007819947965465198383879716422206348543738097646236963
 . . . . . . . . . . . . . . . . . . . . [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)
							394ef48a7ecc76d4ce3c7fac8635a9c477c42b57
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (125 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'everest2003.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'travsupsys.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'travsupsys.sk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ws.everest2003.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.everest2003.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.travsupsys.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.travsupsys.sk'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f00076004494652eb0eeceafc44007d8a8fe28c0dae682bed8cb31b53fd33396b5b681a80000017577c2b68a0000040300473045022100da13b94929f911313fa7aac6d6ec4ac9fd8f0a1c8ab6e90dd725b08a7f9fae18022001286f54a85ccc890a357a34febae9d0f265a739199189373b0920620fddab860076007d3ef2f88fff88556824c2c0ca9e5289792bc50e78097f2e6a9768997e22f0d70000017577c2b6c200000403004730450220357535854e694977686da216f995cff88beed0f39eea69da9a49e61d7b73eb74022100a610848a36f022f7eaa71c7277eb634b0f208fd357687fd5fa6e399479b65764
 . . . . [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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