www.webmail.stable.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:79:8c:36:36:c5:a4:1a:f7:d4:38:21:6e:a5:74:cd:7f:03 was issued on by Let's Encrypt.

With 2 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.webmail.stable.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:79:8c:36:36:c5:a4:1a:f7:d4:38:21:6e:a5:74:cd:7f:03
Serial Number (int): 389809683538823644524983962763350818782979
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 10:79:5b:15:fc:15:fa:0f:aa:0f:93:91:ac:c8:76:ae:cb:5e:1a:00
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ab:fe:2e:99:1f:34:a0:ba:ba:4a:ce:4a:ea:ca:59:b4:c3:ee:86:92
Fingerprint (sha256): 84:7b:18:33:01:83:cd:7c:bc:0f:a6:45:20:c9:c9:92:b5:e8:55:93:55:47:f1:69:b2:11:2e:52:6e:e4:ae:97

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.webmail.stable.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.webmail.stable.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

webmail.stable.cz
www.webmail.stable.cz

Other certificates including the domain name stable.cz

(limited to 100 certificates)
*.stable.cz
mail.stable.cz
vpn.stable.cz
metabase.adapteeshop.stable.cz
vpn.stable.cz
vpn.stable.cz
*.stable.cz
vapp.cz.david.stable.cz
www.webmail.stable.cz
detskydum.cz
vapp.cz.david.stable.cz
*.stable.cz
vpn.stable.cz
webadmin.stable.cz
metabase.adapteeshop.stable.cz
klerk.stable.cz
klerk.stable.cz
detskydum.cz
vapp.cz.david.stable.cz
vpn.stable.cz
klerk.stable.cz
platba.stable.cz
*.stable.cz
*.stable.cz
vpn.stable.cz
vpn.stable.cz
*.stable.cz
vapp.cz.david.stable.cz
detskydum.cz
dns.stable.cz
percona.stable.cz
*.stable.cz
zkouska-jedenact.stable.cz
vapp.cz.david.stable.cz
vpn.stable.cz
vpn.stable.cz
detskydum.cz
vpn.stable.cz
percona.stable.cz
stable.cz
www.webmail.stable.cz
stable.cz
stable.cz
stable.cz
vpn.stable.cz
vpn.stable.cz
www.kettler-fitness.cz.novyweb6.stable.cz
stable.cz
cdn.stable.cz
percona.stable.cz
dns.stable.cz
vpn.stable.cz
www.fitham.cz.novyweb6.stable.cz
klerk.stable.cz
percona.stable.cz
klerk.stable.cz
metabase.adapteeshop.stable.cz
vpn.stable.cz
percona.stable.cz
vpn.stable.cz
vapp.cz.david.stable.cz
klerk.stable.cz
www.fitham.cz.novyweb6.stable.cz
slevomat.percona.stable.cz
www.kettler-fitness.cz.novyweb6.stable.cz
zkouska-jedna.stable.cz
stable.cz
klerk.stable.cz
metabase.adapteeshop.stable.cz
detskydum.cz
detskydum.cz
vpn.stable.cz
vpn.stable.cz
mail.stable.cz
vapp.cz.david.stable.cz
metabase.adapteeshop.stable.cz
vapp.cz.david.stable.cz
percona.stable.cz
klerk.stable.cz
vpn.stable.cz
vpn.stable.cz
detskydum.cz
klerk.stable.cz
klerk.stable.cz
vpn.stable.cz
*.stable.cz
percona.stable.cz
vpn.stable.cz
vpn.stable.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzfLdEL+ZUbBr1R0Be6tN
3RqEVB2+oakz9iL9eoxD+ZkPw2igFdGuhxlfvt8wdDLtVeB8FeQd6sVH7YZ0vXTu
Ir+FhdW/RZkLULFPsn9Xqzu01kdKo0kyvoa8h57VhUO87ICCqvOWVXUjNdNzSh/R
MwDZcqPkaXVqg18ldtD6jIUkIBjHupk0MQmh8v+FNMipcnPpLYmixj+zFqObGMXL
jCVGY6R5FAfsiQK3WuyGCk4bstJ8QmKelC95XAXNjhLx2kiy9mAdAAJoJUPNdY7p
hSto52Y7MwoOQO2IXyN4ISPv+dypkMs0GThNXjAo6TnGyeivGBURwEJjYXxiUt/f
QQIDAQAB
-----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 389809683538823644524983962763350818782979
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-15 11:15:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-13 11:15:41 +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.webmail.stable.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 25998612991577402637353024519406105134158486520441015813188494088527347647014694624566500517733220152931562120181536380337755648067258930506773309747386220158737331144446690859118753549041943925034793863618165608301873891436589872550252543576783519900289492596162241975501213456766240716217555934395685150279789186699982515799636879312322922083297446311688396845927370848668351975090933325274850600540557649976914105711981098845475123983169929500687188641810182684435739594360473854860312551157972970478410534029675259011190866635475365603616935589166266252045734971703507922220207808704376997238179128110931068837697
 . . . . . . . . . . . . . . . . . . . . [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)
							10795b15fc15fa0faa0f9391acc876aecb5e1a00
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.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 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.stable.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.webmail.stable.cz'
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189597a6bee0000040300473045022057b305a0e7593b7e8f5ea73fc3baa6caa737f4eaadd211a1f7a880594cf70bcc022100c15bcb4f027ce6a63377901b93fea3cebb06b65d84398d1d39eeea67ad7c17af007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000189597a6c210000040300483046022100852a8b1eee2233a8f00905ff8d5f901ffe4f85b3d732fa36d394f112dff3e9eb022100eebedbf4c415ba7f5c6b6a02cd82fceb8296329331a0f96b412edfb63e05e990
 . . . . [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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