www.travsupsys.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b5:50:d1:95:90:b5:aa:9a:5f:66:7d:a8:b5:0e:9f:a1:fc 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:b5:50:d1:95:90:b5:aa:9a:5f:66:7d:a8:b5:0e:9f:a1:fc
Serial Number (int): 323035392671220938254873389910700238807548
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 92:17:40:e9:9d:2b:70:53:72:37:a0:54:c7:c9:f5:78:70:b1:e8:47
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 06:2e:63:f5:46:79:b2:2b:44:2e:80:d4:06:32:46:17:c4:eb:dd:e7
Fingerprint (sha256): ad:59:69:05:5a:a9:3e:2f:fb:9a:3c:9a:b5:d5:59:fa:1d:c5:7a:bb:2c:bc:73:b6:70:48:6a:52:a0:f7:af:38

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzhtpZHPwlSiQj0FeSUfL
y8J+neIBVVRF/uE0NgsfafLHtUCQELp8S4d6Fq9iqAg6a+JohrLRuvig5FBVBkC1
AlyJetSphA82MWy+CmBtxH1/t1hxryUHya/MpkIrJdw+YDEsz8aD1wVc6ugz/C9g
AUOTf5FQSoPNi5G46MjgJbKTiRdGPDpsmyWtpQCpGKTmPe1V5biCTG75ryQywYQ7
XkP0T6rNLH0esO/dQFBihMYbj3udbbbDYbWyRx6nDb3fGdmlFVnObPTLo3+GWj8i
XX6eUchWEG7XpRXUmALVBBz1VfZTUMYtNkDDtCKeAH3rp4megcOPL6nZB45iXPWY
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 323035392671220938254873389910700238807548
 . . . . . . . . [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 2019-09-04 16:01:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-03 16:01:15 +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 26018608030666660323628411000115220098886476924860982141190381128703267377755325079664011868089248651379901012725254045012944203669868386637261830781015864602586387419753795329050619255075528525360272587139404046113597841006974400021073200853878799378909219892344110998782240354373018950886105380384055324202147397200772294793601589242519403844176056965812014739493646453826938999177172151313681621614400593854933607946679942894846269578097818575615496205434426761326075984127145274436474091529059665486775788354509605213412832185743960611026251317036750627910678067105866023908921804115277277552787152027504579287181
 . . . . . . . . . . . . . . . . . . . . [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)
							921740e99d2b70537237a054c7c9f57870b1e847
 . . . . . . . . . . . . . . . . [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)
							00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cfd3921ec00000403004830460221009815fcdc28825103c4c519f90b9c68538fa15a423e6914c3aa1f3ff2b0bdbdde022100b9f9d3087857a62ff56fe886fa7d452e2cebfde075ec4f5ab912a45fb6d843eb00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cfd3921da000004030046304402203199d76c3b85d3702f84eb53e3761fd16356e75b4b8f1b818f6ae534ccb18e0c02205445a1004b1cc1e7fdf90488bba9d1f9b4929a66479b2bd6a2b86e8ff2e03e98
 . . . . [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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