ipzentrex.zonetel.com.sg

Issued by GeoTrust RSA CA 2018

About this certificate

This digital certificate with serial number 0d:33:ef:dd:52:cd:3c:66:45:dc:8c:15:18:92:df:12 was issued on by DigiCert Inc.

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=ipzentrex.zonetel.com.sg

DigiCert Inc

Organization: DigiCert Inc
Organization unit: www.digicert.com
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 0d:33:ef:dd:52:cd:3c:66:45:dc:8c:15:18:92:df:12
Serial Number (int): 17549636115934256785416693481766838034
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: e1:38:a5:6f:a5:a9:5e:28:38:41:14:74:a1:1c:26:be:ec:7e:75:b7
AuthorityKeyId: 90:58:ff:b0:9c:75:a8:51:54:77:b1:ed:f2:a3:43:16:38:9e:6c:c5

Fingerprint (sha1): a5:66:9f:ea:0b:17:f7:95:9f:f0:f1:9d:0e:ab:4f:b0:60:6e:8c:1c
Fingerprint (sha256): 17:6b:30:30:91:69:e9:cd:67:b8:21:9c:12:28:b5:8c:f9:f6:c5:f1:48:b1:0a:e1:62:17:df:6d:25:c7:98:85

Issuing Certificate URL: http://cacerts.geotrust.com/GeoTrustRSACA2018.crt

Revocation information

OCSP Server: http://status.geotrust.com
CRL Distribution Point: http://cdp.geotrust.com/GeoTrustRSACA2018.crl

Check the revocation status for certificate ipzentrex.zonetel.com.sg

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ipzentrex.zonetel.com.sg

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

ipzentrex.zonetel.com.sg

Other certificates including the domain name zonetel.com.sg

(limited to 100 certificates)

Certificate

The complete raw certificate details for ipzentrex.zonetel.com.sg in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEyjCCA7KgAwIBAgIQDTPv3VLNPGZF3IwVGJLfEjANBgkqhkiG9w0BAQsFADBe
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMR0wGwYDVQQDExRHZW9UcnVzdCBSU0EgQ0EgMjAxODAe
Fw0xOTExMDgwMDAwMDBaFw0yMDExMDgxMjAwMDBaMCMxITAfBgNVBAMTGGlwemVu
dHJleC56b25ldGVsLmNvbS5zZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC
ggEBAL1r4OCsmYm5YZA0eMGRtqlijIBJpd7ACNVs45Von3UGYQSj1jD9DM30/gn6
brYy5ihS6Wj8SQ3vGBz+Rzd8gUjWuVALsFI7436DoDenUWzTWcTsJgkiRx3XzNah
WaLSgF85+3Dqi9wiRrt82BF1POoFNIyAirzO4pz3jBQUaiKwc/rzIID9D8+MZiyt
o3W17FfWyul4NrPIfFHGSFJLIOXYIzp32kulnGZSg1Ozwy+aaXBkdi4Nfgb8YSo6
GLJf7P56heEHVnfSlG6FtUAU8Ye4VgJoDCJIHKmVMKacOyDHPcRM7tWJCGD3JNzf
P/JsIqtdMD7ugreUw99yj4uOmzkCAwEAAaOCAb0wggG5MB8GA1UdIwQYMBaAFJBY
/7CcdahRVHex7fKjQxY4nmzFMB0GA1UdDgQWBBThOKVvpaleKDhBFHShHCa+7H51
tzAjBgNVHREEHDAaghhpcHplbnRyZXguem9uZXRlbC5jb20uc2cwDgYDVR0PAQH/
BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjA+BgNVHR8ENzA1
MDOgMaAvhi1odHRwOi8vY2RwLmdlb3RydXN0LmNvbS9HZW9UcnVzdFJTQUNBMjAx
OC5jcmwwTAYDVR0gBEUwQzA3BglghkgBhv1sAQIwKjAoBggrBgEFBQcCARYcaHR0
cHM6Ly93d3cuZGlnaWNlcnQuY29tL0NQUzAIBgZngQwBAgEwdQYIKwYBBQUHAQEE
aTBnMCYGCCsGAQUFBzABhhpodHRwOi8vc3RhdHVzLmdlb3RydXN0LmNvbTA9Bggr
BgEFBQcwAoYxaHR0cDovL2NhY2VydHMuZ2VvdHJ1c3QuY29tL0dlb1RydXN0UlNB
Q0EyMDE4LmNydDAJBgNVHRMEAjAAMBMGCisGAQQB1nkCBAMBAf8EAgUAMA0GCSqG
SIb3DQEBCwUAA4IBAQB9TJ08bitseOnOIobnfPZQX551OF8NrUiOWsfL9OW9ScIX
MhlQrty9MpM2tR0jwv56fcsbxZYb8iy5aDW2v6t9tCgUlH1U8kSnzW6aT6vYDq86
4FmIz4j7DLi14yFAcUozZb2l5ishxgVY6rAvfjMRs7UoOs8Acg8rHfurTeUPSXCV
LBSCCgXcjw8St7FLkQJsWLQ/zEbOwgmzFVCnWtUgNkaex197lemn8m+XPIqxIDqz
OXhgOCOaTfA25B/T9s6L5LhWimUj4SHMVauhVGU12Ifj7y15gex8V1tloZjDa/1C
OES3yqpnKpbL5X7ijISA10UX8sMd8DH+moTRCCA1
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvWvg4KyZiblhkDR4wZG2
qWKMgEml3sAI1WzjlWifdQZhBKPWMP0MzfT+CfputjLmKFLpaPxJDe8YHP5HN3yB
SNa5UAuwUjvjfoOgN6dRbNNZxOwmCSJHHdfM1qFZotKAXzn7cOqL3CJGu3zYEXU8
6gU0jICKvM7inPeMFBRqIrBz+vMggP0Pz4xmLK2jdbXsV9bK6Xg2s8h8UcZIUksg
5dgjOnfaS6WcZlKDU7PDL5ppcGR2Lg1+BvxhKjoYsl/s/nqF4QdWd9KUboW1QBTx
h7hWAmgMIkgcqZUwppw7IMc9xEzu1YkIYPck3N8/8mwiq10wPu6Ct5TD33KPi46b
OQIDAQAB
-----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 17549636115934256785416693481766838034
 . . . . . . . . [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 'DigiCert Inc'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.digicert.com'
 . . . . . . . . . . . . [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 'GeoTrust RSA CA 2018'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-08 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-11-08 12:00:00 +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 'ipzentrex.zonetel.com.sg'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23912236474231574825515888583781674638350632935789882669910656098683090936695029098895838132656468527394353798282057284241915171158439250594234356828523120793963532322591683829317695755472604956722028054790456150930363078613139154620390013382723807237920396176221999207388497773999456920452941401857796300702216575770993068025098317323038606411591089889049513607870918711431592225403509511178677546644709686647967306091848034373844000296820776362553836686986877229794290190945873735337593376280749837803406395989956405258813672896465090634769829835538460451701030688314336484042281535748253794758794489951562092157753
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 9058ffb09c75a8515477b1edf2a34316389e6cc5
 . . . . . . . . . . . . . . . . [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)
							e138a56fa5a95e2838411474a11c26beec7e75b7
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ipzentrex.zonetel.com.sg'
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (55 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cdp.geotrust.com/GeoTrustRSACA2018.crl'
 . . . . . . . . . . . . . . . . [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 2.16.840.1.114412.1.2 (digiCertDVCert)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://www.digicert.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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://status.geotrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cacerts.geotrust.com/GeoTrustRSACA2018.crt'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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