m.www.ns.sg

- Defence Science and Technology Agency -

Issued by Entrust Certification Authority - L1K

About this certificate

This digital certificate with serial number 50:d2:cc:89 was issued on by Entrust, 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)
  • The keyUsage extension SHOULD be critical (RFC 5280: 4.2.1.3)

Defence Science and Technology Agency

Organization: Defence Science and Technology Agency
Locality: Singapore
Country: SG

Entrust, Inc.

Organization: Entrust, Inc.
Organization unit: See www.entrust.net/legal-terms
Organization unit: (c) 2012 Entrust, Inc. - for authorized use only
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 50:d2:cc:89
Serial Number (int): 1355992201
Serial Number lenght: 31 bits, 4 octets

SubjectKeyId: b7:05:f2:ee:a9:56:73:8e:3e:be:01:15:93:76:d4:26:87:bc:05:84
AuthorityKeyId: 82:a2:70:74:dd:bc:53:3f:cf:7b:d4:f7:cd:7f:a7:60:c6:0a:4c:bf

Fingerprint (sha1): 90:90:17:02:09:4e:3e:9d:9c:8d:dc:bb:82:54:19:08:3e:b1:e9:95
Fingerprint (sha256): 0b:0b:96:5e:69:73:3d:52:42:e2:8e:d6:de:8a:7d:4a:27:06:dc:30:a8:c7:1b:a0:37:dd:32:a7:96:f0:4b:0b

Issuing Certificate URL: http://aia.entrust.net/l1k-chain256.cer

Revocation information

OCSP Server: http://ocsp.entrust.net
CRL Distribution Point: http://crl.entrust.net/level1k.crl

Check the revocation status for certificate m.www.ns.sg

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for m.www.ns.sg

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

m.www.ns.sg

Other certificates including the domain name ns.sg

(limited to 100 certificates)

Certificate

The complete raw certificate details for m.www.ns.sg in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw47RZTXsKvRY70v5mXBP
WiaCzR+DhGkyZu0ihR28Iblp/A3lhFJhOLwqvWmCfAFGPZZpD+CAgWze+IyMgSm0
7vXOiX7O4K7GpmPWLtGsdE166Hnv9CQaFGGzYd2HuxFTLGt2Se/aSfB1un5dOQOe
ePazmFuipAbacZxFX6WM4HaexvJk7hL9fPdecC945xV2m7KT2EHCElSOWsBZIvdF
25LjcCz84CdJxuJpVsdSTZvDdxAydmz8BRjDrmpio+i28mxQ3h+hN/Wd5QsfWf80
/HHr+HlNEsjILIUtgVDgKlcnBcRqOC6VOh280+9iNq5YsYnyK5W+t2IdM7KkvxMq
ZQIDAQAB
-----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 1355992201
 . . . . . . . . [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 'Entrust, 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 'See www.entrust.net/legal-terms'
 . . . . . . . . . . . . [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 '(c) 2012 Entrust, Inc. - for authorized use only'
 . . . . . . . . . . . . [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 'Entrust Certification Authority - L1K'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-12-18 04:09:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-18 18:33:37 +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 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'SG'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Singapore'
 . . . . . . . . . . . . [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 'Defence Science and Technology Agency'
 . . . . . . . . . . . . [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 'm.www.ns.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 24686895624641933328876283324653050556574765646597911166691320791653747842796633576045580877749827247534635820756915028523011141776149844942197627552271538973137500687102765882653334482058399257291564472214341636783027274998099197428599023201246242306130251025778059909321897118505304157761310391290307413862426234249937731721354572997393426726165296908590758180875510882910200508968237940337165433410747719071172975752554511352713145812319045291855023435661974917013554520102619819054532638540412830784789887328160480511318916385818654117114617362729370383014978458108164270043296565337518502120168337623011768347237
 . . . . . . . . . . . . . . . . . . . . [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: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 (12 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:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (44 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://crl.entrust.net/level1k.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 (68 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114028.10.1.5
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.entrust.net/rpa'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization 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 (92 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.entrust.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://aia.entrust.net/l1k-chain256.cer'
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.www.ns.sg'
 . . . . . . . . . . . . . . . . [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 82a27074ddbc533fcf7bd4f7cd7fa760c60a4cbf
 . . . . . . . . . . . . . . . . [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)
							b705f2eea956738e3ebe01159376d42687bc0584
 . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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