4z.ro
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:52:58:e6:78:6f:48:97:41:a9:89:12:8a:e7:3d:c7:ba:2a was issued on by Let's Encrypt.
With 5 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=4z.ro
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:52:58:e6:78:6f:48:97:41:a9:89:12:8a:e7:3d:c7:ba:2aSerial Number (int): 289358180617410173806909402597612876970538
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6b:07:5e:f2:fd:21:b8:8c:5f:20:74:55:15:0a:0f:21:09:b0:d7:4b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c3:3e:46:fd:9c:c1:66:f7:15:29:77:5f:64:c7:65:8e:d0:bf:00:5b
Fingerprint (sha256): 22:b5:f3:fb:f5:59:35:c5:f3:71:81:bc:b1:d7:cc:36:d7:42:60:50:25:52:35:5d:15:12:16:96:2c:62:39:12
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate 4z.ro
5
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 4z.ro
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
4z.ro
client.4z.ro
ftp.4z.ro
mail.4z.ro
www.4z.ro
client.4z.ro
ftp.4z.ro
mail.4z.ro
www.4z.ro
Other certificates including the domain name 4z.ro
(limited to 100 certificates)
Certificate
The complete raw certificate details for 4z.ro in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGcTCCBVmgAwIBAgISA1JY5nhvSJdBqYkSiuc9x7oqMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MzAyMDExMThaFw0x OTEwMjgyMDExMThaMBAxDjAMBgNVBAMTBTR6LnJvMIICIjANBgkqhkiG9w0BAQEF AAOCAg8AMIICCgKCAgEA0vJD+7hFdxxJ8Uq30iJyTrCO8VyZIVSV/HAZCf+3xIJi Fpa92a4WzvI+BtzfhxGJ+qHuhMvMNrxAffb6px4YNVg5mdBV1GsjgRnRtfLPvoVm TmzD5BaseSTiKvzZrhbJz7YTM8+DFhHMcSA6Mh2xhVdua11PkXnyjW6GgxGTmOKa 1thLrakmjNtW0IaeSgg/LGjlTykxwsiiKJqjqxZPZBhbjaNa95OOAnUqbjOzR4vs TrnaSWMawa5cg5RBKJQL/yL/frIbmgnubcygAtNG/M4NmSISuTDwQq7L8X8OHfn2 va6fAtlkTjH1oeQGXMIOPXb1O3BDoMQu/t9z3b3jRbbxR3aUba9nGA0mPWErmWdB EInMzunbjMNMbjEc5fm83PCHscUCGlUCbLobpK+Llux+d5xTw1K/LjxfDhQXK3Wu HqmpJDP+Glv+Yk3+PrPXwHqWDrj7IQXsu/d2JSX2aPFN3aCxiO63jRdG73eYrvXT fbtPSvjAHH4EqEVnZGyDLrFay+WclNwNxUJvwTQqv4FR19c8Y8e3LLe9xeEPFHBo 342JyECgtD1V64NRTnvC6lat+YneRaB06ywDitDrP6LBRir5yxUCRW1+cPHVIWx4 bgG4eyxgUuXh23TGagJbdDV3VA7tfn/lAP9OichBvzAjCBzsnObUkjLjmuWb2yUC AwEAAaOCAokwggKFMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUawde8v0huIxfIHRV FQoPIQmw10swHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYB BQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnLzBABgNVHREEOTA3ggU0ei5yb4IMY2xpZW50LjR6LnJvgglmdHAu NHoucm+CCm1haWwuNHoucm+CCXd3dy40ei5ybzBMBgNVHSAERTBDMAgGBmeBDAEC ATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNl bmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AHR+2oMxrTMQkSGc ziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABbES5IKYAAAQDAEYwRAIgGCL/8Sgu6Yq2 IMv9c16xHEQWEM8SyR7unEAVS+Vn1sICIFVmKpVxoAY9oK9XrgipD9oau6eNkWZV D13Kqb7+jL90AHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFs RLkgxQAABAMARzBFAiARw7OPfCNE8CZETEcJByCRQP/M2c9G0NeQ9hxJf52SBgIh AJFgoX94Sy3wcqeKMf7wQdQ8gM/wa3bEOjaIw+Hh9Tr8MA0GCSqGSIb3DQEBCwUA A4IBAQBHW3Q6FEegTW77+L69QdXxZ1cUjO/ip8UKvJ/uG0XGn2yZr6wPJJBsZKAf j1lAQilkgSQZxWjJ2RNUCkCMUI04y2YRhD9J4T6ENba8hVNmFeAFTU16pomZjZwc pHePqiBqfjntT+BJM0W8C1iX8kc59J5j5APk8ufYU7vxNflxCx5lAlfW28exIFAB KjHjnOc2P9VRqbjngI1EiITADjrcH15+brLxnrvazPMK90ZWoLETaP/3Hzv2DvDc tMNjRIvjOmPeSkfES+HdOnnESmQhEYTvF4qO6OrshyolutE18qjV3cgJsHw1aA/o lQPqgOcjxcKg3rE8OkDuZeoc6jGW -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0vJD+7hFdxxJ8Uq30iJy TrCO8VyZIVSV/HAZCf+3xIJiFpa92a4WzvI+BtzfhxGJ+qHuhMvMNrxAffb6px4Y NVg5mdBV1GsjgRnRtfLPvoVmTmzD5BaseSTiKvzZrhbJz7YTM8+DFhHMcSA6Mh2x hVdua11PkXnyjW6GgxGTmOKa1thLrakmjNtW0IaeSgg/LGjlTykxwsiiKJqjqxZP ZBhbjaNa95OOAnUqbjOzR4vsTrnaSWMawa5cg5RBKJQL/yL/frIbmgnubcygAtNG /M4NmSISuTDwQq7L8X8OHfn2va6fAtlkTjH1oeQGXMIOPXb1O3BDoMQu/t9z3b3j RbbxR3aUba9nGA0mPWErmWdBEInMzunbjMNMbjEc5fm83PCHscUCGlUCbLobpK+L lux+d5xTw1K/LjxfDhQXK3WuHqmpJDP+Glv+Yk3+PrPXwHqWDrj7IQXsu/d2JSX2 aPFN3aCxiO63jRdG73eYrvXTfbtPSvjAHH4EqEVnZGyDLrFay+WclNwNxUJvwTQq v4FR19c8Y8e3LLe9xeEPFHBo342JyECgtD1V64NRTnvC6lat+YneRaB06ywDitDr P6LBRir5yxUCRW1+cPHVIWx4bgG4eyxgUuXh23TGagJbdDV3VA7tfn/lAP9OichB vzAjCBzsnObUkjLjmuWb2yUCAwEAAQ== -----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 289358180617410173806909402597612876970538 . . . . . . . . [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 2019-07-30 20:11:18 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-28 20:11:18 +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 '4z.ro' . . . . . . . . [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 860586024805604693764104272383567393222886984694461220318630714540396982147589540661178951579362416767491919996216505040650047994473785501261946238803373109298865620784964434523334065429627952547834914396975451007085522332908477133418788806505382855576136528003364975236381499978605828903211485408931435888414978988794988709034165314823541286581638815025000841910839685497378624194264945478899368206613780845035763208665012600402211339856798894572924765849844077808867980862710647789355937919817167442920705708180286269177103814788006043301256022383063740270655706607370973285824087141962074412267232091335069714973686896303415575166564522445812684415826332620026315890945079214988323270142059589515802593664715514121208313789503038002606266635109425634196864743518241611351015441653620812507466230249421879120637991535018155436670129350220151404933424827570054557284241851453813810018161649311184882100645021078227618976505675507154799955804636654571305460046341843524919009452865564375541952987963978334239353155023077457569374301251317331626763381059985811402958449565312019101696037416135843623747985502959419114440978273039198697037348396656989188243533570854598575092707032795923941902286647023416061498929588625024141049453349 . . . . . . . . . . . . . . . . . . . . [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) 6b075ef2fd21b88c5f207455150a0f2109b0d74b . . . . . . . . . . . . . . . . [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 (57 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '4z.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'client.4z.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ftp.4z.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.4z.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.4z.ro' . . . . . . . . . . . . . . . . [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) 00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c44b920a6000004030046304402201822fff1282ee98ab620cbfd735eb11c441610cf12c91eee9c40154be567d6c2022055662a9571a0063da0af57ae08a90fda1abba78d9166550f5dcaa9befe8cbf74007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c44b920c50000040300473045022011c3b38f7c2344f026444c470907209140ffccd9cf46d0d790f61c497f9d92060221009160a17f784b2df072a78a31fef041d43c80cff06b76c43a3688c3e1e1f53afc . . . . [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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