www.travsupsys.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b3:fa:08:35:00:bd:d0:9f:1c:99:13:76:2f:b8:a0:69:ba 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:b3:fa:08:35:00:bd:d0:9f:1c:99:13:76:2f:b8:a0:69:ba
Serial Number (int): 322579751086476276015011789677184006777274
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 22:b0:9c:2d:fa:80:25:d0:da:47:34:f4:bf:9c:7e:6e:40:0e:4b:c7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 64:3c:f6:cf:67:45:8e:87:31:bc:89:47:48:da:64:9e:82:e4:dd:23
Fingerprint (sha256): 85:1f:bd:c3:8d:b5:8b:1c:6a:ca:31:a3:45:3a:0a:3a:8b:9c:b3:e7:c3:8d:47:20:64:a7:90:e4:01:9d:72:b9

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx24/UEBzV4aFxvxTbuoh
Hypoxj+YULjjjjEJH6seK8mTUCwQkpIT3t6PnTs5VTR+SGyrGMKWWAQZZ6/eEjIn
RC4aiCz5DO2p+KrZRE7JfqFdG0xG4VzpPDCBHjndIOdsJhFAByJzX8duJl0bMEZ9
YKpW6tZv05vzyeHspc/LBZxWiJObxaGnHmqAuF5YeQO2RiublVaswFnrxHTWMwtl
zMmI8UXS4NLN/+xYu2emZM/FkCqE80bSlSNonNAt3yX3cctp13MVlgiLKEWYrHUK
WRCS2glsONNNmtLjkrOCATr2eg4l+c6vfCtJRxLwsh8nXLGzxoc50pNASNwF3aXA
5wIDAQAB
-----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 322579751086476276015011789677184006777274
 . . . . . . . . [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 2020-03-03 20:42:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-01 20:42:20 +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 25175787667107281529916273443132516861580998937806584788264507194360260077444284577448013143406612315779151155358880490616034452636350655553869416672867220739624411794926481063040151342688099562284571069561518216987225510854571897391894319187388034901902084124623782937021950537489647203536030643038706411487409353281221259218869974333584708248023517376818766209819865161650092606458759333844065137278841410609226367711453274191639025557110811012998436862391473816597266556814681037379619683059331442227761884937889924191295057297995154523146186653992327821574534076489564350613858158359970157931957922969118518395111
 . . . . . . . . . . . . . . . . . . . . [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)
							22b09c2dfa8025d0da4734f4bf9c7e6e400e4bc7
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170a259841900000403004730450221009816f7aee3c1ee58de41e925c5fc97b996746fff62601e350b6d5ca4248f97000220714ef13cff7a3e0c786db3273952955ba9498f2419839ce1c23a803c14db1eda007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170a2598419000004030046304402205d43bd603251d63b2394216a4aaa0f505f30eb06fa1944ae1c6ca1baa7d4406402201bf79f3cef2961ebccf7c717e726cb818acf67e6301ca7a4af5b3c92cde7ff48
 . . . . [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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