4z.ro
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:16:6b:7a:22:43:b4:50:f7:57:6d:bc:25:c3:97:86:66:28 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): 03:16:6b:7a:22:43:b4:50:f7:57:6d:bc:25:c3:97:86:66:28Serial Number (int): 268965931418273131979920539502560319792680
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 32:74:49:69:a1:db:63:7a:ed:93:58:86:9c:d9:8d:2e:29:1d:ac:82
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 8a:fa:91:48:51:5d:0b:a1:51:9d:4e:96:f7:64:67:42:39:75:0c:52
Fingerprint (sha256): 08:9d:1d:b5:9f:a6:fa:d2:8d:dc:c5:aa:02:94:97:8d:bf:f7:d3:4e:c0:41:a6:f4:aa:96:d7:c8:2a:f9:04:68
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----- MIIGczCCBVugAwIBAgISAxZreiJDtFD3V228JcOXhmYoMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMjgyMTEwNThaFw0y MDAyMjYyMTEwNThaMBAxDjAMBgNVBAMTBTR6LnJvMIICIjANBgkqhkiG9w0BAQEF AAOCAg8AMIICCgKCAgEA6kMM3+WKG+e2IcVODRMzdTgOrqSo7SjFL5JOKZ99GdVX NfjwumuFgPtm4Vq0YJU8Mr2hzv4MrwV8LJ+tdsTudGuaBqpMgNX0qdF5yjxTI3W1 M6AtVLolu33ZhTYvOzC7oewhddvfqJNtYqn1vWjq54zI+kiAbHEvkcwjTKRJa6UN NKu4SJ5nevkZX5B0VA1H2a/nqz+lx2IZM90LZ7VFPoEukypELAEp+0zNJLnSAFox h5H0VlfphH1K8ijDTUBb6jT7aKM3HFYLOhYIa5U8e2OLU8i+lEA92yk1B/p7gqlz glII8Eg4MLQ2tC9YZKPJECxX73QTbAvoHMs9hFViflNybn50igy5PpoWd4hsDBPD Fs5RkYzbPcAaVbPGOGLYuwzBiNo9WbvAd9nFngAD32vLVMcCHZAOHbfC6y4lQHFr chlGPRh1KRN33LLq8GC5Re62B4L3z/HZ5uQd1BOPMW3oV/fHDotwvyu40vrm4175 pvmfz4DEde9vweAp7gExxnKK90q5Ihi9FzCnBJ9KhOuPBoPnTP99LpodsDRZbysg sln8S5y+U3TJ/cFIu6njj8+OIOtTrIGtojIv49vttg/2l6QbdO8VqjDsgjZE1gr7 ixO7ZIzI7z4nLdnzjGaCDqRTHCs+Syw0Pw/fQ10ebpNxdHG0xukHN1lVHVy4escC AwEAAaOCAoswggKHMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUMnRJaaHbY3rtk1iG nNmNLikdrIIwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYB BQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2Vu Y3J5cHQub3JnLzBABgNVHREEOTA3ggU0ei5yb4IMY2xpZW50LjR6LnJvgglmdHAu NHoucm+CCm1haWwuNHoucm+CCXd3dy40ei5ybzBMBgNVHSAERTBDMAgGBmeBDAEC ATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNl bmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3AF6nc/nfVsDntTZI fdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAABbrQROfkAAAQDAEgwRgIhAKrDgRsPSXLS XeX1lezaFFyPc6TlKjrPzuPf81qQVyNcAiEAue+C4XuGcSo4wekudXTZnhPbRWnX fHhvtt4Vw+KVyvUAdgCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt74uQXgAA AW60ETn8AAAEAwBHMEUCIQDxLJLdBz9ZJdfn6DFaPArA4lVnnktLpxzvbYU/vjVi GgIgPDO1+M5mgo0H5i7YaQbaKv3FShaXSkecC0pylO6s+YMwDQYJKoZIhvcNAQEL BQADggEBAHY3sNcuxAqqyalb35UYXGO6r+1xSLGg5iO/BWuvJNo3fR8CPkGxbsQR qNz4YcP2T221KYwk1XSUIgDAF5R5xkg/97Onjyrid+F2CQIe3ECDuNnYyuaOa+eR u9ldj/fo3KEwIK3aFk2wfDlWAdxyk1ZE2p3t1BuOtRSWAVSOUDyVLp1TPOp783Di lGqH301djQZdUBVpRCq8j6JIolryjmRHElq75BnXmJ5OAOIx3oTp3tqSv0VWMKBA IibFKsOjivzZ3sCnLurhlS4wvSN+vPfCV1yylov1wGtA50ucs8AqjiDHExE4DKtq wVEISwPBCiBzWi55pWclRF979jgUZbI= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA6kMM3+WKG+e2IcVODRMz dTgOrqSo7SjFL5JOKZ99GdVXNfjwumuFgPtm4Vq0YJU8Mr2hzv4MrwV8LJ+tdsTu dGuaBqpMgNX0qdF5yjxTI3W1M6AtVLolu33ZhTYvOzC7oewhddvfqJNtYqn1vWjq 54zI+kiAbHEvkcwjTKRJa6UNNKu4SJ5nevkZX5B0VA1H2a/nqz+lx2IZM90LZ7VF PoEukypELAEp+0zNJLnSAFoxh5H0VlfphH1K8ijDTUBb6jT7aKM3HFYLOhYIa5U8 e2OLU8i+lEA92yk1B/p7gqlzglII8Eg4MLQ2tC9YZKPJECxX73QTbAvoHMs9hFVi flNybn50igy5PpoWd4hsDBPDFs5RkYzbPcAaVbPGOGLYuwzBiNo9WbvAd9nFngAD 32vLVMcCHZAOHbfC6y4lQHFrchlGPRh1KRN33LLq8GC5Re62B4L3z/HZ5uQd1BOP MW3oV/fHDotwvyu40vrm4175pvmfz4DEde9vweAp7gExxnKK90q5Ihi9FzCnBJ9K hOuPBoPnTP99LpodsDRZbysgsln8S5y+U3TJ/cFIu6njj8+OIOtTrIGtojIv49vt tg/2l6QbdO8VqjDsgjZE1gr7ixO7ZIzI7z4nLdnzjGaCDqRTHCs+Syw0Pw/fQ10e bpNxdHG0xukHN1lVHVy4escCAwEAAQ== -----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 268965931418273131979920539502560319792680 . . . . . . . . [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 2019-11-28 21:10:58 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-26 21:10:58 +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 955705232711767067747597956118961762191489176960802130491733215238265912427601189813978558984046611132197983648323413068794254132206528307627088609582268317988953899881053378884480902156051429076787329351281654518098161921760130488754985321090075971371862685823248347760406898334871404755030389703111213268515217044149379267709871366853465552327583009839216004926064348488967023744792769858054257682931723105292930344132560999079801513626814870385143428286760832189116057840267562188478960514376205669814399854802944728345580294468179594264426933921485590561668160473351322676910703401809704481065650960067556333510396254802325372690739911325234547005163582009677340999726223465068620908514072856716143441441442678990539225386174967761199398829176140156695569379289304504419110077549935754865773263734684429349295102792779832600008413622092973031154043124278527910040710741560212182827049969766108334758210656593419783460866458465454024149293922660857044069122906721922332490152189427132620847850804208374725979779946539325069512414570953288924940606238064317425186538795301933385184459259366623223642148345495261588381875847586652082191706747212090535816390388658639083923669692476432394232404817500447282520864415487486816691976903 . . . . . . . . . . . . . . . . . . . . [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) 32744969a1db637aed9358869cd98d2e291dac82 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016eb41139f90000040300483046022100aac3811b0f4972d25de5f595ecda145c8f73a4e52a3acfcee3dff35a9057235c022100b9ef82e17b86712a38c1e92e7574d99e13db4569d77c786fb6de15c3e295caf5007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016eb41139fc0000040300473045022100f12c92dd073f5925d7e7e8315a3c0ac0e255679e4b4ba71cef6d853fbe35621a02203c33b5f8ce66828d07e62ed86906da2afdc54a16974a479c0b4a7294eeacf983 . . . . [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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