mail.dikrt.cz

Issued by RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1

About this certificate

This digital certificate with serial number 0c:f7:5a:1f:2f:04:7c:54:09:29:ee:10:4c:36:16:a4 was issued on by DigiCert Inc.

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=mail.dikrt.cz

DigiCert Inc

Organization: DigiCert Inc
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 0c:f7:5a:1f:2f:04:7c:54:09:29:ee:10:4c:36:16:a4
Serial Number (int): 17235061160965677780137713317684057764
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: 03:07:ca:3a:e8:a5:a8:ab:96:fa:48:a6:42:64:68:3c:a1:00:d7:a2
AuthorityKeyId: a4:8d:e5:be:7c:79:e4:70:23:6d:2e:29:34:ad:23:58:dc:f5:31:7f

Fingerprint (sha1): 5a:91:c8:fd:b2:24:c0:32:aa:28:f3:75:74:15:c0:69:14:97:6c:68
Fingerprint (sha256): c8:65:1c:fb:22:8c:bb:11:8f:1b:0e:96:d8:cf:03:c1:89:e6:70:a6:24:de:34:99:d2:68:82:e4:ec:f6:19:ff

Issuing Certificate URL: http://cacerts.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crt

Revocation information

OCSP Server: http://ocsp.digicert.com
CRL Distribution Point: http://crl3.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl
CRL Distribution Point: http://crl4.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl

Check the revocation status for certificate mail.dikrt.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.dikrt.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 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

mail.dikrt.cz

Other certificates including the domain name dikrt.cz

(limited to 100 certificates)

Certificate

The complete raw certificate details for mail.dikrt.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwoKcqHu8kpKJYOzHFqI+
OY5SirV6MiVZ4xHog6HW7fnWjpfa8Up8G5A1TB5Y0xh2s9dAxsAG97ZXLzxB1m10
UCjUcH1KV67AYJePiyp6sAIXl4o1ye1uxGpJbt9kRju1GEeE+auQaFu/+UbiQ5NP
ELyaheZ40G8M2EcXOSNBrqPNGcXI7tHNJuINYp8AG705GrgL7hqGv9I6bycUoWI0
NG2l5BAuotwrMyfEzMlJ2N5+a8dGoHRY2/KexzBfdKFC7VPDmMRlHZ064kZvApKe
xdM0KAeSypqvQaWQ3k9g6PYxPEudSYgrp0r/dm47JcC0Tnbo9rW3k9gHv71JCapr
awIDAQAB
-----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 17235061160965677780137713317684057764
 . . . . . . . . [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 'DigiCert Inc'
 . . . . . . . . . . . . [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 'RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-12-06 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-01-06 23:59:59 +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 'mail.dikrt.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 24554638314402305617902743553744559558753833627212041049749069759582191974503141660979480667686622908012295496024916290656267275742206553217198518804874857205511704232041985353036562047491885624953598229067882794700556236782182470450161103817845358717132229995456963679261255009895618882061196413475071059946539457758061276522836720671483049756239025755822618356815876240501682886393578013450207677381597963746457706842321851423711625642779751968001340339315445161933669181736526304196213830445308292539857129477578918935692073201368209716045199509515152244353869596555645690511377251947922162376734205816945611795307
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a48de5be7c79e470236d2e2934ad2358dcf5317f
 . . . . . . . . . . . . . . . . [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)
							0307ca3ae8a5a8ab96fa48a64264683ca100d7a2
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.dikrt.cz'
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (147 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://crl3.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://crl4.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl'
 . . . . . . . . . . . . . . . . [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 (55 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: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://www.digicert.com/CPS'
 . . . . . . . . . . . . . . . . [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 (121 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.digicert.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cacerts.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crt'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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