mydms.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:8a:18:78:cc:07:42:30:aa:95:1d:3f:b6:a6:76:a4:38:85 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=mydms.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:8a:18:78:cc:07:42:30:aa:95:1d:3f:b6:a6:76:a4:38:85Serial Number (int): 308328353116078751185263651046117639207045
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: b0:8a:4e:67:be:33:54:e5:03:c6:19:b0:2e:38:77:e6:7b:f5:e0:87
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 09:d6:35:c3:ec:9f:73:a3:d2:98:c2:43:0c:35:08:94:d8:4c:be:72
Fingerprint (sha256): e0:a7:b6:6b:0c:73:80:c7:d4:10:6b:ab:14:a0:47:83:29:4d:bd:3b:45:47:6c:76:40:13:1f:b4:d2:4e:ab:81
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate mydms.cz
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for mydms.cz
Public Key Algorithm
RSA
Key Size
4096
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
mydms.cz
www.mydms.cz
www.mydms.cz
Other certificates including the domain name mydms.cz
(limited to 100 certificates)
Certificate
The complete raw certificate details for mydms.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVjCCBT6gAwIBAgISA4oYeMwHQjCqlR0/tqZ2pDiFMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTUxMjA0MTlaFw0y MDAxMTMxMjA0MTlaMBMxETAPBgNVBAMTCG15ZG1zLmN6MIICIjANBgkqhkiG9w0B AQEFAAOCAg8AMIICCgKCAgEAr+89Nm7FvnNdfJaihSvXxOs+625RmnQXBRirstRY Mh4JNJUEJnb0BHU6wt2K/zjcRsujCQcmMUBOWM2+dqwhAcMewFPLrA8RjrWPV2Al FVsqfRAilhBZIVoj3I1IGeRKt0hxnIuWDBC6wIDQ69JZt3dFXDAUwHo4+sSwAmR6 ZyPy4yVPQcaGgA2zQgMiXEzu2CmSy62275tpK6aT+ZtwzK3oFlSBHNhTitU2C9L4 qpp0bJ8469JvnjGBXwjHI0ACgMMT8Xrt56e6++iMGMCkZ64M25lY+G9CYXJ9G2ft oWNlpnbfiIroys8Nc/K3dNGoUSiBxQmD1oLs09Iy28DvNeNYJ0l2p70zErsDL/Ft Wczr0AJ9RWdgUBd9nz6tzcfGJYdYt/Rg4ZAjWblsT58NHDJZikQHN1Nb6LH15qq8 uvDh30qklcq1hhslJ8GvWndsR8nau7wi/zi/Z4qkd9G++5LfDyV8Spxs2IIJwgNG /RnD59go2Ik5iX2y2wBxNBdv5WMZ1ViaAcYEdcKB5sifpY3Ic0ngVWKCLxaxsY85 mOtlur1Ep9LlNWpHSehiS0KqumTEal4kFQQbMdDaT+e0wIoBH1TxIH/vLjpdtcAJ a2L11+PbafVrGmWHeOzAFIfwl89ql/5PJY5EwEVZMRd8gh3W9MeSSrKhfcEIY8h6 +H8CAwEAAaOCAmswggJnMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUsIpOZ74zVOUD xhmwLjh35nv14IcwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzAhBgNVHREEGjAYgghteWRtcy5jeoIMd3d3Lm15ZG1zLmN6 MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB 9QSB8gDwAHcA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFtz4Ty yAAABAMASDBGAiEA7YJD6gr/+XOy3t0OM8+wImEftGyDoWN5dYS7pj+02ngCIQDX 1sqeT6Torc6osXdtZxFH8dRyo8pqd83QUDUT/SfsvAB1ALIeBcyLos2KIE6HZvkr uYolIGdr2vpw57JJUy3vi5BeAAABbc+E8r8AAAQDAEYwRAIgPkp0S+cqPEOcPh1D Pv+uvK7mfMs22hGEpntsi23FKqgCIEJemjRjH0mcOBcuNtlwKE9wWWs4uGUzs1Fs CyQ14QEjMA0GCSqGSIb3DQEBCwUAA4IBAQAyqaBXWzsyeY3E4s7NBhlA7RQejhnp CulcVd/V2+s/cBf4hu7/AWe8MMVaEx2viSUCK6dUHnkCqPueQ7kMZ67o0yzKCJb5 +Ky+2IsXlaQVcFwOPLGGNmmbf6Sj2mPBSr8B+LvUCUPJ2e8EWPVODEMsFdaP6fMV 6ZJKkpXlciQd+OKuwb3T5df8c5B2u/ELul8tDZw+4rVfUD/msDq7Q4C0IwvHJ1lr fSiymt5250Heb2bqesGQPiCinTT0GtyF+y6T/N2ylrt4u5qVLFK2AGo04zFBxh7u 0wUcjXH46ScKWjUVYvLoqKpE6c+akbGZCpPK+PX7bt0KhMIn/TPkcgfu -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAr+89Nm7FvnNdfJaihSvX xOs+625RmnQXBRirstRYMh4JNJUEJnb0BHU6wt2K/zjcRsujCQcmMUBOWM2+dqwh AcMewFPLrA8RjrWPV2AlFVsqfRAilhBZIVoj3I1IGeRKt0hxnIuWDBC6wIDQ69JZ t3dFXDAUwHo4+sSwAmR6ZyPy4yVPQcaGgA2zQgMiXEzu2CmSy62275tpK6aT+Ztw zK3oFlSBHNhTitU2C9L4qpp0bJ8469JvnjGBXwjHI0ACgMMT8Xrt56e6++iMGMCk Z64M25lY+G9CYXJ9G2ftoWNlpnbfiIroys8Nc/K3dNGoUSiBxQmD1oLs09Iy28Dv NeNYJ0l2p70zErsDL/FtWczr0AJ9RWdgUBd9nz6tzcfGJYdYt/Rg4ZAjWblsT58N HDJZikQHN1Nb6LH15qq8uvDh30qklcq1hhslJ8GvWndsR8nau7wi/zi/Z4qkd9G+ +5LfDyV8Spxs2IIJwgNG/RnD59go2Ik5iX2y2wBxNBdv5WMZ1ViaAcYEdcKB5sif pY3Ic0ngVWKCLxaxsY85mOtlur1Ep9LlNWpHSehiS0KqumTEal4kFQQbMdDaT+e0 wIoBH1TxIH/vLjpdtcAJa2L11+PbafVrGmWHeOzAFIfwl89ql/5PJY5EwEVZMRd8 gh3W9MeSSrKhfcEIY8h6+H8CAwEAAQ== -----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 308328353116078751185263651046117639207045 . . . . . . . . [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 2019-10-15 12:04:19 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-13 12:04:19 +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 'mydms.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 717750252619944415868886522955382443061412281444675439788651159161114847572552814576789505083593876046989887455741804250209133177874960734344862137462906611718619144172416033151460458838332661261365879247375628585280628845116073949137855186997350165752266426696820403443689457890675621159792337268624718683774027364835954993410947418468196083523285480236620507954649188911197506487778419814616118596702389758729735023904908351211207253943070942420103061653611648371580691750916332793176658927219764711645837098609749362941450608808282018506621238734740831930976484271584891961380776318791305533480888330700577993275855960815196610536417239316856890751205519513052348445681989107639481495295017520441084945698145533013157507727737188964767561236744131725034151674731620705826256071260383306188280385203507949279032180701077819810940621656700208277469345566571952496046621731034885038553068023609207121435575796576525683143045078971115593229491961272023633462331335899383075385611702452003069063032043223610951920969554606897478513277785108607057272845644051721845044236273181299816461554156656848489841892290485505334214640878014672762118562636023427999783891174174504788992117852182773084045595026642939844668864792791520265255975039 . . . . . . . . . . . . . . . . . . . . [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) b08a4e67be3354e503c619b02e3877e67bf5e087 . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mydms.cz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mydms.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 (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) 00f0007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dcf84f2c80000040300483046022100ed8243ea0afff973b2dedd0e33cfb022611fb46c83a163797584bba63fb4da78022100d7d6ca9e4fa4e8adcea8b1776d671147f1d472a3ca6a77cdd0503513fd27ecbc007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dcf84f2bf000004030046304402203e4a744be72a3c439c3e1d433effaebcaee67ccb36da1184a67b6c8b6dc52aa80220425e9a34631f499c38172e36d970284f70596b38b86533b3516c0b2435e10123 . . . . [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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