centrum.nz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:44:93:99:44:b8:ce:44:a3:ef:46:3e:c8:d7:ff:f6:18:d0 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=centrum.nz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:44:93:99:44:b8:ce:44:a3:ef:46:3e:c8:d7:ff:f6:18:d0Serial Number (int): 371784537008310212408025824189086828992720
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 70:e8:48:71:13:58:04:04:37:da:8d:3f:3d:55:f8:1b:82:20:c4:bc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 6a:16:72:4e:bf:4c:a5:9c:e4:a5:2d:90:8f:3e:a1:95:e1:fb:58:6f
Fingerprint (sha256): c4:34:07:0e:5a:cb:84:e7:67:96:47:6d:7d:0e:1c:85:e6:da:41:d9:a1:b9:c1:47:69:44:47:80:d5:df:ad:eb
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate centrum.nz
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for centrum.nz
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
centrum.nz
www.centrum.nz
www.centrum.nz
Other certificates including the domain name centrum.nz
(limited to 100 certificates)
Certificate
The complete raw certificate details for centrum.nz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGXDCCBUSgAwIBAgISBESTmUS4zkSj70Y+yNf/9hjQMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMjQxNjEzMjhaFw0y MDAyMjIxNjEzMjhaMBUxEzARBgNVBAMTCmNlbnRydW0ubnowggIiMA0GCSqGSIb3 DQEBAQUAA4ICDwAwggIKAoICAQDJk/0EOUBolGu7IjuizJabimJI5NTHp7O3Mcyy UTVNkYJWKREfmIgybvwqgZcHMw7V8nT3NmZe9UfKLtrkqyQdORTJ2CQVDcH6+v/Y TtBWrHjoPt7CI2eEj7ucbrl6CV+ZtU+3v7HfI1AodzksmnoMkkYjEN/zuGGQOw5L w//BoJgLdGWKK49c6PPSBi5CGU8vbW08ol5B5y5C3/SXkzdjzegv6zrR6lDR60SS bquwAuKi5RBTpYeRzO9zDrCdrDtL6eTxeOxwt47lXfStqkfl4jPU4lw5Fuk98aAg cI+BFcUxQU1TXMqVIaII+0qd28uX7bpstEVuGwG7Mq5jogjuXApmW8o8RUKJGtt2 FEGz8QMVeXzXVccTifYgohSWbP31N1Y07d3w1UZNCX+5TPcsOqEt+rylJg6/SBpa EtN2NN0Hn+GZ2or+S6Zit+jr2WgCgd5gcvIcXFtGDgv2dzPJp1bCANvAY9V0dTMV U535Umr93Z3LqR8GC2d+0Ro1dobeO8Y/VvxHA3l1N5aPEks1qukW8Cy+492l6i16 WIw+KrnAZIZHACrjb9SCoulsH+010D6dGUCbscEzX3PLGF4CbvOIfIPTr7kFl6M8 DgM+1Xh5u+8F1S8vCoiK2upvqgA/hFWNhz7DnIOpf1G1f1P+SKyC4nSegPLaG4rH D6bUhQIDAQABo4ICbzCCAmswDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRw6EhxE1gE BDfajT89VfgbgiDEvDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMCUGA1UdEQQeMByCCmNlbnRydW0ubnqCDnd3dy5jZW50 cnVtLm56MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYI KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHW eQIEAgSB9QSB8gDwAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4A AAFunmdr0wAABAMARzBFAiAgZcZrDNOKLdaLarGY5+GiPXlCAf9j7OWUdPy8N5Ct vAIhALjMhsBvh3k1UzNNiCechMgBiR1ILT8kOPp4ukM1n2qXAHYAb1N2rDHwMRnY mQCkURX/dxUcEdkCwQApBo2yCJo32RMAAAFunmdsBgAABAMARzBFAiBR9eS428Qy W04KNlIRer7mfg3sH+J2YjQep8U20oK05AIhAOZ/IecJwzHWqqdRbnNaBLNDaz+3 o6r3s+ibgIusy+xvMA0GCSqGSIb3DQEBCwUAA4IBAQBp+kGmQpn/6T0wI4HxIzNB 6weONCEV4lCdWdIdxyvfBUfPFrTyjsmUf2FNWuDNKKrg9gOdpFO1oqyurvJ0oVqp hnPg6JHotkUIaPpskVEg8qdKld2adHZ4sle8tSh1BRXal6FTABRDX4RJmOTzJ12K RFgaS5pFMXivOy2S0nTEvIHB9/UkNFAFtLSZpDRskHO/bhrVuMFQ7MBUX8qHA8iW mdJQSBPNuWapM4T6vDAry3yco2OTflhK5/sQsZksMpCH1+349q0JCmJgQqenA3aZ 6Fb/g5HMQycM1kfCn7h0cSIkg6/kIa4pzqnZftX6fqxSI38dqXiQ5Z0/XLGMULFg -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAyZP9BDlAaJRruyI7osyW m4piSOTUx6eztzHMslE1TZGCVikRH5iIMm78KoGXBzMO1fJ09zZmXvVHyi7a5Ksk HTkUydgkFQ3B+vr/2E7QVqx46D7ewiNnhI+7nG65eglfmbVPt7+x3yNQKHc5LJp6 DJJGIxDf87hhkDsOS8P/waCYC3RliiuPXOjz0gYuQhlPL21tPKJeQecuQt/0l5M3 Y83oL+s60epQ0etEkm6rsALiouUQU6WHkczvcw6wnaw7S+nk8XjscLeO5V30rapH 5eIz1OJcORbpPfGgIHCPgRXFMUFNU1zKlSGiCPtKndvLl+26bLRFbhsBuzKuY6II 7lwKZlvKPEVCiRrbdhRBs/EDFXl811XHE4n2IKIUlmz99TdWNO3d8NVGTQl/uUz3 LDqhLfq8pSYOv0gaWhLTdjTdB5/hmdqK/kumYrfo69loAoHeYHLyHFxbRg4L9ncz yadWwgDbwGPVdHUzFVOd+VJq/d2dy6kfBgtnftEaNXaG3jvGP1b8RwN5dTeWjxJL NarpFvAsvuPdpeoteliMPiq5wGSGRwAq42/UgqLpbB/tNdA+nRlAm7HBM19zyxhe Am7ziHyD06+5BZejPA4DPtV4ebvvBdUvLwqIitrqb6oAP4RVjYc+w5yDqX9RtX9T /kisguJ0noDy2huKxw+m1IUCAwEAAQ== -----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 371784537008310212408025824189086828992720 . . . . . . . . [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 2019-11-24 16:13:28 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-22 16:13:28 +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 'centrum.nz' . . . . . . . . [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 822366816174629101773018059587569384967053475820296544180701334363241951660642093741490974123216288644348232360808855414862879249728248100260393947576258192920372762998832963816311928537270980736162845812658930450551992452028891525013088503082033116619687782722937122545571776811426352324100219402732888642838427190072525442393657976611711868223669884309553443491986407057089713877473474831462949670922288150468311520174044328796235891771396302625351005189585725441834914844203374207095778751452737850243076215542921177064635397145474999378489967516159967435198088381409896937724562734579019695172673631165107747307541015336856509754380972202764093503959789211141502577558186629437839118449858616723898530714185792195021380007835389990443880311999229420161920056194160523303096781972249290398299842598495852124623625488240686924495114428137989110331943140768050765958666233214392305032921349380786770985610275188978241926510555758561653717881303654117435170194302832478039136263786079320961381702983103144896959466530777655740047146644685517410018990448930952639057070846339950342088974362231201940928745199484933309501169658814630829596326050948571638579085957729143033602709429928455161901310670776724617839918870150834772070814853 . . . . . . . . . . . . . . . . . . . . [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) 70e848711358040437da8d3f3d55f81b8220c4bc . . . . . . . . . . . . . . . . [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 (30 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'centrum.nz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.centrum.nz' . . . . . . . . . . . . . . . . [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) 00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e9e676bd3000004030047304502202065c66b0cd38a2dd68b6ab198e7e1a23d794201ff63ece59474fcbc3790adbc022100b8cc86c06f87793553334d88279c84c801891d482d3f2438fa78ba43359f6a970076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e9e676c060000040300473045022051f5e4b8dbc4325b4e0a3652117abee67e0dec1fe27662341ea7c536d282b4e4022100e67f21e709c331d6aaa7516e735a04b3436b3fb7a3aaf7b3e89b808baccbec6f . . . . [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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