4z.ro
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:d9:11:4f:4f:8e:3c:90:c6:2c:53:72:fa:4a:da:2c:b2:f8 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:d9:11:4f:4f:8e:3c:90:c6:2c:53:72:fa:4a:da:2c:b2:f8Serial Number (int): 335201140098084056219907045081452060127992
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7f:66:6d:34:cd:69:40:26:2d:f3:f1:4e:1d:11:63:e2:17:d3:87:7f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 08:dd:2c:15:f7:cd:22:d3:e6:0e:b8:0c:74:2c:53:81:a4:b5:66:3e
Fingerprint (sha256): 53:1b:ac:c0:76:79:de:c8:b2:eb:ab:5d:ba:8a:5e:c3:2b:7c:34:b9:44:10:5b:1a:54:33:0d:ef:be:a2:b1:e9
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----- MIIGcjCCBVqgAwIBAgISA9kRT0+OPJDGLFNy+kraLLL4MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMjgyMTExMDVaFw0y MDA2MjYyMTExMDVaMBAxDjAMBgNVBAMTBTR6LnJvMIICIjANBgkqhkiG9w0BAQEF AAOCAg8AMIICCgKCAgEA6RrL3CBvDW3g5QVjEjDzuKo7hKBZf8XQJoRbdZHhgxyV m51gKFLWJ1ngqbX5eIbvMXtM1gu5EibEGtVR0eHuuoEkVpl+mk/lkJwU+CA+e6yF wrD2NYUL9zfT5YDBkkNj0q5FRg7VUsVr41ZtYa4mIhhSJUJWzI4QBQ4MEqgPbBHH JVC8ndIxCqEOOtPzLEh32T1V4UTy/sgdvq84w4H9S1gRcJDldzvEwNilp1PuZ6du 1CuqBm/EekmnsJv6FNrUHnNaRgyjf+RFzgMcdg+ZoS8xrVjOvwZfnYmgAVf6COl0 HyiI3odtWCofCKkD4C8Kgfc88CLi8cMZ9jqN7qnWKKEyszdnlwf+vVszZW6AGlWt WJ5mxdS7kXKvHjohbIs+uNxLfmH5EPztJ9guupZR0dCv52ewuBsSWusb9bBmaB/M ugJ3+y7DAVXvRVuLNf1hHEfyVLRGH1Y3mO67obEGxFoaifskLJ1pe5CObFpawsAf KJo4JiqNLcrMMu1AdnEJpiqrG/6Q4pK27RM1FypZ88x6T0DNHtVQwkz5UxPs3/e9 UWBhLtWNDilutydRAPSlTigQJPboAg1ChJFiy/IB/jnAWZBgnjKiIk8vQIpACRcM tJYyN9B31HWauW4j1KeG8e4DSSkKN0jRteui5TKgqh82sB54kByNpzG40BM1TdMC AwEAAaOCAoowggKGMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUf2ZtNM1pQCYt8/FO HRFj4hfTh38wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYB BQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnLzBABgNVHREEOTA3ggU0ei5yb4IMY2xpZW50LjR6LnJvgglmdHAu NHoucm+CCm1haWwuNHoucm+CCXd3dy40ei5ybzBMBgNVHSAERTBDMAgGBmeBDAEC ATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNl bmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB1APCVpFnyANGCQBAt L5OIjq1L/h1H45nh0DSmsKiqjrJzAAABcSMy1EoAAAQDAEYwRAIgCJsgA+uMBST8 HuocXssNIOtn472AVGJpLCYHn8yoGFQCIF6Fh5KoTeC9RAZ3rpDpuUQOu81iPjKW l7UWoB853iw8AHcAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFx IzLUPQAABAMASDBGAiEAqpeFZ504nmwjxWMh7LTyWYKBkOuoaoeU7DhnWPriAEEC IQDCCcQSHmTGRBaw8hhhx4GP+nCJz1H0y4v+72rWO2E4lDANBgkqhkiG9w0BAQsF AAOCAQEAKyMwlBko1W34jmgwWhcbt67KeemGBgZBLJuGYXLA5NXJAaxfUaaPFnma yYTbCXagpv8ho7JZqROXmCPWudHs+BRqGTikAUChxtkpgf3YdCcNmHHFOdc8WPq7 W4jz+8yJuJhQ5IvDK7b3aYR8ROHpIipnuC1nzfypZFOs7Woh3RhCK/ERAcAAwWfz Eea1NRPo9jJrtjT8UKn6MOT36uid5NIXis2RjjYYS33l/FLqRMjj1C/A0U53BsjD Zev/kJ91dp5wkCh1HM0WtNE5s2egPamX5V93tp1IdjBakEYeX4DBbOVLQ8sBnvb1 Pbm4Zk2oezkV5i/KI26X77KBwpCPSw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA6RrL3CBvDW3g5QVjEjDz uKo7hKBZf8XQJoRbdZHhgxyVm51gKFLWJ1ngqbX5eIbvMXtM1gu5EibEGtVR0eHu uoEkVpl+mk/lkJwU+CA+e6yFwrD2NYUL9zfT5YDBkkNj0q5FRg7VUsVr41ZtYa4m IhhSJUJWzI4QBQ4MEqgPbBHHJVC8ndIxCqEOOtPzLEh32T1V4UTy/sgdvq84w4H9 S1gRcJDldzvEwNilp1PuZ6du1CuqBm/EekmnsJv6FNrUHnNaRgyjf+RFzgMcdg+Z oS8xrVjOvwZfnYmgAVf6COl0HyiI3odtWCofCKkD4C8Kgfc88CLi8cMZ9jqN7qnW KKEyszdnlwf+vVszZW6AGlWtWJ5mxdS7kXKvHjohbIs+uNxLfmH5EPztJ9guupZR 0dCv52ewuBsSWusb9bBmaB/MugJ3+y7DAVXvRVuLNf1hHEfyVLRGH1Y3mO67obEG xFoaifskLJ1pe5CObFpawsAfKJo4JiqNLcrMMu1AdnEJpiqrG/6Q4pK27RM1FypZ 88x6T0DNHtVQwkz5UxPs3/e9UWBhLtWNDilutydRAPSlTigQJPboAg1ChJFiy/IB /jnAWZBgnjKiIk8vQIpACRcMtJYyN9B31HWauW4j1KeG8e4DSSkKN0jRteui5TKg qh82sB54kByNpzG40BM1TdMCAwEAAQ== -----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 335201140098084056219907045081452060127992 . . . . . . . . [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 2020-03-28 21:11:05 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-26 21:11:05 +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 950984097063559106179482500243763979984204451827560219007289786451886059494310699072940421494758703646508977664592833353551631595484090133431231943923620177004759090704926139267933853027509478307168415156508195507521801239956003555402344759145381580164804728360869935220054013456510586109588365873287710080699285524307366589380861224642354751736245936192539088636323451329002533272772531266064870377955576407710320365302649066826517820222193366535788492638921095897146191645142065155321322775924340307991500456342240620242330472699315077120065143952469311844461378025833923198557150891878921845275504646436824522765005102862971121852777853970265162360900587799830100192065139434128074859050229717247751863603136356113688790052270340074918966422782351867300128440482033023987906692536450254561066020217671678067562536872048748923994108834152733426738381404574687312213773547816398736510062769339078894759677852046425741545740030969072641271569929396613943043998999934690117273418954950624597646681496488161412281683749840331272715841766507953076176498940039327152664357548213011527551343021003177799370274961593129329685608692704011045035658006412888761515653753940247136375477094921502781969753968754775874324338742758897826412187091 . . . . . . . . . . . . . . . . . . . . [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) 7f666d34cd6940262df3f14e1d1163e217d3877f . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001712332d44a00000403004630440220089b2003eb8c0524fc1eea1c5ecb0d20eb67e3bd805462692c26079fcca8185402205e858792a84de0bd440677ae90e9b9440ebbcd623e329697b516a01f39de2c3c007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001712332d43d0000040300483046022100aa9785679d389e6c23c56321ecb4f259828190eba86a8794ec386758fae20041022100c209c4121e64c64416b0f21861c7818ffa7089cf51f4cb8bfeef6ad63b613894 . . . . [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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