centrum.nz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:cc:d8:68:e6:c4:39:38:32:e5:ae:23:37:61:0c:c0:ea:93 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): 03:cc:d8:68:e6:c4:39:38:32:e5:ae:23:37:61:0c:c0:ea:93Serial Number (int): 331042118573615653215461607154909498632851
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 8a:ce:56:62:6d:76:c1:c5:90:fa:de:e5:f1:01:ab:4c:76:02:2c:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f2:40:a5:0a:d7:e9:ee:70:a5:02:a1:bd:3f:60:e6:58:8d:68:f3:85
Fingerprint (sha256): bf:3c:e6:ae:fc:8e:b9:84:f9:e2:6b:ea:0a:66:cd:23:33:44:00:69:b9:cf:87:bc:1a:ba:08:77:47:28:99:14
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----- MIIGXTCCBUWgAwIBAgISA8zYaObEOTgy5a4jN2EMwOqTMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMjkxNTU3NTFaFw0y MDA0MjgxNTU3NTFaMBUxEzARBgNVBAMTCmNlbnRydW0ubnowggIiMA0GCSqGSIb3 DQEBAQUAA4ICDwAwggIKAoICAQCUNaqdU5X7UOoOi77nmkJIYNDtmAcD8ml6579d +PaNks7YblcbkpQ5WSb73dQJwMRtQiJokT19wq6UFTe2auK+rXhXSGXox40cfJR/ 3HB5ubT6wxtsc5o2X7C9pHYHLILvK4fZWXiOMpdVMjgUsvqvgcC/LFkVsx6sLebC bgizvSwI8mEJhz+XvCzD8Z+xOLnmkG2sjsfurx/FewGj8VxFXPVX6ey7WY8peFfX K/fEIZku8Y7AMiI2qYNF5b6d5ILAXwXXEnS0M0yX/xjB1EYJ4W4cW8WZ0+dqyr5u TwxIZS5Vl8yBFPpxWuCsMuDCfZINXjqemgaUA5/2HuLiD+ElAY0ioroDTeA7rWKt YKY3NUuF1h/0vC3a/+cCkWrT6fVcyTrKpDtciOuQIE9Qpd2zB1rkbMQt1/pmHxJ1 ogH6RnHADYymaLqMYtY5a8L7MCsJors0JEbiwlgOcilFksZ+cumWekw4vd24+Ay8 iN1Jqmzvw/rwiLuzcM10mFiHucina5LmTFWwWcKCXK27M1qQOc4qkMGythzCMmIU 8+6H42j1iTkqX7KjqeOpSTZd+9BGJyEzLIwvKvwau6BpdHxYAoBNtHJ0Xv1NyLGD dDsoms58NyAwexxobZ3+7Phn3ArtgsTeuyhvMLWR4/pcNv0OeI4Q5l+ahJT5lpSW B+joQQIDAQABo4ICcDCCAmwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSKzlZibXbB xZD63uXxAatMdgIsFzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMCUGA1UdEQQeMByCCmNlbnRydW0ubnqCDnd3dy5jZW50 cnVtLm56MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYI KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHW eQIEAgSB9gSB8wDxAHcAb1N2rDHwMRnYmQCkURX/dxUcEdkCwQApBo2yCJo32RMA AAFv8jzXzQAABAMASDBGAiEAwsKBpYAXDC40ixz9F/7jhAUZDqpN26yLWdJU7cFN GmcCIQDH9/bK2NlgLbNLWDsjLTvSrgk0eNdgQ6JQTDpzUbr99gB2AAe3XBvlfWj/ 8bDGHSMVx7rmV3xXlLdq7rxhOhpp06IcAAABb/I81+gAAAQDAEcwRQIhAP4eLs/2 IXPbQ+HiyxlfrkW0tCuaP4X9HVoahtUTGyHZAiAxLar+pXLzO7hVzUNDP9ivaojd lbYY4MHhhIAOFF5OoTANBgkqhkiG9w0BAQsFAAOCAQEAfN+u8RCkQ3otV9pKCdGT 12/wHvbp/WSCJrIBpLO1DJcNbrbPFrubwl1khePOZP0k7Kaw3gvITalABCtJzhsG 2mQvLkX/UFNXRc6BfH5ofwVqlv4iHmxsjemXbtQuSOKLOIsen1IqMxV8LlnxhlZa pKDQtbBIZ2G1VxELToa/KBGvg7uvwrJoX4Py9GtBw5jKyUcge9ydlIiuysRun/wG 8+pl/tVH4lOJ4PMbOUmvOkDkaPcVs5+b6xeied1DlccawNQW0WKJSw5cAzg0m/iI pOhTYsEP38PAC+8po1IMQYLpRxz/ETdm4zQak7KNdzgDDE37hy39wDjkvRCtEF4w jQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAlDWqnVOV+1DqDou+55pC SGDQ7ZgHA/Jpeue/Xfj2jZLO2G5XG5KUOVkm+93UCcDEbUIiaJE9fcKulBU3tmri vq14V0hl6MeNHHyUf9xwebm0+sMbbHOaNl+wvaR2ByyC7yuH2Vl4jjKXVTI4FLL6 r4HAvyxZFbMerC3mwm4Is70sCPJhCYc/l7wsw/GfsTi55pBtrI7H7q8fxXsBo/Fc RVz1V+nsu1mPKXhX1yv3xCGZLvGOwDIiNqmDReW+neSCwF8F1xJ0tDNMl/8YwdRG CeFuHFvFmdPnasq+bk8MSGUuVZfMgRT6cVrgrDLgwn2SDV46npoGlAOf9h7i4g/h JQGNIqK6A03gO61irWCmNzVLhdYf9Lwt2v/nApFq0+n1XMk6yqQ7XIjrkCBPUKXd swda5GzELdf6Zh8SdaIB+kZxwA2Mpmi6jGLWOWvC+zArCaK7NCRG4sJYDnIpRZLG fnLplnpMOL3duPgMvIjdSaps78P68Ii7s3DNdJhYh7nIp2uS5kxVsFnCglytuzNa kDnOKpDBsrYcwjJiFPPuh+No9Yk5Kl+yo6njqUk2XfvQRichMyyMLyr8GrugaXR8 WAKATbRydF79Tcixg3Q7KJrOfDcgMHscaG2d/uz4Z9wK7YLE3rsobzC1keP6XDb9 DniOEOZfmoSU+ZaUlgfo6EECAwEAAQ== -----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 331042118573615653215461607154909498632851 . . . . . . . . [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 2020-01-29 15:57:51 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-28 15:57:51 +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 604642556707160220752503548577341361317196086476799549595481732799534374054209689992899636930814567529758480390799723038140331866569937670005943707585040880959667577885379048915431944479874907686951453211323107594609876260487684175678530834318214006534428539964180378878032500204374367577991917645329026689644526324711982897450403809228824323924845520334192486008581907871295452614392515540485613536511727011293686896335725688577589899585046568930603856972090816859843698705217781937008643267275884250355708145114978682984947076249849704610916874352364566909193528436420900745639645173498861533174397858098235938816969860736398632446533290870909708009907741359313734705257951116902890817257532135083738110942386814212658163804243702044832694903168372778864781676709378276459679900146920903311477694286733821308008104656347324021970558997506416662476395665062290138664024648708535598490901297856730846813564519764319958976271837693620780933895193436311145928537181296456102345728768033138952929621005159032458046169243759735440418731422471256482326576465663664282597243715383857737523920593022476302378809679570021840979242207391206395680952464815779371643100484776807335361627774441027806381041019919129765912564340348854003391064129 . . . . . . . . . . . . . . . . . . . . [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) 8ace56626d76c1c590fadee5f101ab4c76022c17 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ff23cd7cd0000040300483046022100c2c281a580170c2e348b1cfd17fee38405190eaa4ddbac8b59d254edc14d1a67022100c7f7f6cad8d9602db34b583b232d3bd2ae093478d76043a2504c3a7351bafdf600760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ff23cd7e80000040300473045022100fe1e2ecff62173db43e1e2cb195fae45b4b42b9a3f85fd1d5a1a86d5131b21d90220312daafea572f33bb855cd43433fd8af6a88dd95b618e0c1e184800e145e4ea1 . . . . [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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