2016.nscloud.eu
Issued by Let's Encrypt Authority X1
About this certificate
This digital certificate with serial number 01:f8:1f:ff:0e:63:cd:18:e3:b9:b7:a0:a9:be:c0:31:95:9c was issued on by Let's Encrypt.
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=2016.nscloud.eu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 01:f8:1f:ff:0e:63:cd:18:e3:b9:b7:a0:a9:be:c0:31:95:9cSerial Number (int): 171544843323582041415317768315642640962972
Serial Number lenght: 137 bits, 18 octets
SubjectKeyId: 05:08:cb:9e:2c:4e:4a:f2:45:05:25:46:18:d0:3b:f1:28:9c:70:06
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e6:93:02:af:d1:01:af:5e:f3:26:8b:49:13:e7:fc:43:07:00:23:c7
Fingerprint (sha256): d2:ae:21:a4:ce:95:07:f7:04:43:9c:f6:19:56:d2:4b:e2:fe:45:29:e2:b0:a1:5b:ef:7b:c3:ec:55:9e:ca:b2
Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x1.letsencrypt.org/Check the revocation status for certificate 2016.nscloud.eu
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 2016.nscloud.eu
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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
2016.nscloud.eu
Other certificates including the domain name nscloud.eu
(limited to 100 certificates)
lionel.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
nscloud.eu
nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
whoracle.nscloud.eu
lionel.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
nscloud.eu
nscloud.eu
lionel.nscloud.eu
lionel.nscloud.eu
nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
nscloud.eu
nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
whoracle.nscloud.eu
lionel.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
nscloud.eu
2016.nscloud.eu
2016.nscloud.eu
nscloud.eu
nscloud.eu
lionel.nscloud.eu
lionel.nscloud.eu
nscloud.eu
Certificate
The complete raw certificate details for 2016.nscloud.eu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGAjCCBOqgAwIBAgISAfgf/w5jzRjjubegqb7AMZWcMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMTUxMjQxMDBaFw0x NjAzMTQxMjQxMDBaMBoxGDAWBgNVBAMTDzIwMTYubnNjbG91ZC5ldTCCAiIwDQYJ KoZIhvcNAQEBBQADggIPADCCAgoCggIBAMVuprXDfVMHJvkZXrvJegvi42CuNqX+ fUMscPSoueDtzL2W6X1DCK8rirIPAoE4DbpeOKGsjHaZaDX2yfgTYIMmvNSZh7uf QGhg5b33z0M/eWDG38SsZx/estfPjHGb+ynDr5z8QksM7DsQkq2GRs5Vg/j7uwFI TLZzWCiVrdKKFtO5+6FTsn2QkpXYL0laTBU83bHomAH0TK5uPApMKsKe46pzBBIx E3I3f2rHVY46cOT/I/Axe78fzdV++kT8Csh9LAEGOcMEi4I0bBqJytdqhfiBd3bU v+YoHEm3zfM3+L88F/8s+zFZbELtTWksGklwaYjH0Bb5zGW/mRapDkfhSCjJuoZw CDSL7Wgrp4BKx3N81D2mNmgv/dvJXstA3vCtgTe0AmbRPt++TQpKZtEK+BI5GHkX WEm1YiOKQqFJahOl3y1xiIdk418FGEkfpYzAT7l+Kxcb1pXyIRr7Wv/RuMRNXXph raK7Q1Vjjormy4h3ZdJiSKDe9bekGYZG42OGYqE9DYte61SQoPMRAw6JX0dd1BIi 6o+yWYjNlLMsigcUIRtuupfiQivN6gD1Yz470sXq+1nCxMl3kFR22q1Gz6KGHU1B IfhjygDazz0QIEW4Vnvza6PVVh8vP8pfGlRZBiT51knWOqBzc4koGn3TN6xhuQgj kGMSVdYPLHS7AgMBAAGjggIQMIICDDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAUI y54sTkryRQUlRhjQO/EonHAGMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z qOyhMHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYjaHR0cDovL29jc3AuaW50 LXgxLmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu dC14MS5sZXRzZW5jcnlwdC5vcmcvMBoGA1UdEQQTMBGCDzIwMTYubnNjbG91ZC5l dTCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYI KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcC AjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24g YnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0 aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5 cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAIgBS/bfGpGDJa R/4h8wN9By8D7BmnWYEJM2tLoHMaFgr1bDMgDF82KSAupTiImMU3yDNeU2okxEOP zLsfyaOqf0hx/CxHpsVhnSAd1g8p2Qe9rwNKtDskERt3eGhqxUpbu6rwJzsE8iTq LFY1XZk7czaKj2ug0xNAc/a/TajEWbrDS+/Ulze+7+mWXKhFqej2r3uV8dNu9Kmk PZGsv3hcE6IMqKrLXYwcYMWpWCw45xEmxRZX7bUot5d1xmzJ/T+Tc2Ysyy9EzBHe VTc+0TPoN2OvFpBb8oAHYS5+35i2XrGcq/QBZglc1ek7E/d3ei4T9/QfJ3pFNlMs HIeXf17v -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxW6mtcN9Uwcm+Rleu8l6 C+LjYK42pf59Qyxw9Ki54O3MvZbpfUMIryuKsg8CgTgNul44oayMdploNfbJ+BNg gya81JmHu59AaGDlvffPQz95YMbfxKxnH96y18+McZv7KcOvnPxCSwzsOxCSrYZG zlWD+Pu7AUhMtnNYKJWt0ooW07n7oVOyfZCSldgvSVpMFTzdseiYAfRMrm48Ckwq wp7jqnMEEjETcjd/asdVjjpw5P8j8DF7vx/N1X76RPwKyH0sAQY5wwSLgjRsGonK 12qF+IF3dtS/5igcSbfN8zf4vzwX/yz7MVlsQu1NaSwaSXBpiMfQFvnMZb+ZFqkO R+FIKMm6hnAINIvtaCungErHc3zUPaY2aC/928ley0De8K2BN7QCZtE+375NCkpm 0Qr4EjkYeRdYSbViI4pCoUlqE6XfLXGIh2TjXwUYSR+ljMBPuX4rFxvWlfIhGvta /9G4xE1demGtortDVWOOiubLiHdl0mJIoN71t6QZhkbjY4ZioT0Ni17rVJCg8xED DolfR13UEiLqj7JZiM2UsyyKBxQhG266l+JCK83qAPVjPjvSxer7WcLEyXeQVHba rUbPooYdTUEh+GPKANrPPRAgRbhWe/Nro9VWHy8/yl8aVFkGJPnWSdY6oHNziSga fdM3rGG5CCOQYxJV1g8sdLsCAwEAAQ== -----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 171544843323582041415317768315642640962972 . . . . . . . . [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 X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-15 12:41:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-14 12:41:00 +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 '2016.nscloud.eu' . . . . . . . . [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 805453231230224584951665591807296572733473191717896359603571006549567530386318170451639671053849243057366967843074785511111189542446127398774488161628163149243755164551550833745797163280614625975330032557099878342026842484100299791908500149489843897282541713778900581771698872722858156362042136044764607284405761987313750796538006114091772455344915428751845956151222795502394137830176823858696234892565792722270090338637856976379007233436920883809531626333464633896129547853056574999789227840736725831320733444758979619944436319087119732234052042814061693298973584510447585672196828535798733685783901421585735245801072176022539349021289917881008898099476450003618317569229293772683011187343984938330849221788842480151953506066863180512375251486573361087856076379239163395756947758811990775055154121059715283129200718997360718093362439091197170411488916847026935245865325493204562984871821393257685507020714073045996896245200090949702681149168041084994260725575873340004325845559273960364928564665126956792272989430084211109607464115962086631041240783121714239110519639293998925466208713462550419617512761484646992848477974919531452131002776340715842427007016192234805054283535474843305570240073406817110520063168505187539246128067771 . . . . . . . . . . . . . . . . . . . . [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) 0508cb9e2c4e4af24505254618d03bf1289c7006 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (19 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '2016.nscloud.eu' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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