www.azlabs.sg

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1e:bd:89:47:37:e8:36:48:26:19:dc:5d:bd:4c:bd:f1:2b 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=www.azlabs.sg

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1e:bd:89:47:37:e8:36:48:26:19:dc:5d:bd:4c:bd:f1:2b
Serial Number (int): 271797265683262359157676041365589323542827
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0c:7e:c1:12:30:35:d2:f3:c4:6f:0f:ff:6b:51:38:4c:d6:de:ac:a8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 09:5b:af:be:6f:b0:ea:5c:80:c9:7c:aa:82:d7:d6:a0:24:d0:e3:a8
Fingerprint (sha256): c5:1c:01:94:4f:e7:01:66:57:23:65:0e:bd:a7:8a:33:7a:d5:53:f8:0e:b0:65:cb:6f:9e:56:89:7c:de:a1:28

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org/

Check the revocation status for certificate www.azlabs.sg

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.azlabs.sg

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

www.azlabs.sg

Other certificates including the domain name azlabs.sg

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 271797265683262359157676041365589323542827
 . . . . . . . . [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 2017-02-10 13:21:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-05-11 13:21:00 +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 'www.azlabs.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 865581944464416053864203929024794259957427669719132128565268330390074982244152952080996425865557102200068825576798082042716833414797666386334942594589493003538537026442282434858344539093443163340927119276531467060939881783828276061622682370104685180963150154333405690942317399373344400432146578046409714715291434373014480260581270435801256518343570756186017003259017140339398564593793511141923536502718969625723674101895613992631244801321991026210376304999007077870586676967046026940157909495964063127692831993300976859917730408645660626172951950057871596740069500517860108457425871275106921221725370243107352573078060789759351069476739540637779956904033090884791813661424339934210424643744865304258485590737771765198221003728285255151506850571039376699956420238744228807422846102711838064049102145279999707561157955822843024061765415956198878964261254800976309334930069016089905796024272480602401546434991368489846240722724614070452880755522673372022825168273108327300595247883990567900250882149508547745147570349150524754917838164953253949200488581358342097634552171488910039735127534609533159542196987277432312844044979371659311734996606063786651387798761644525291816806255078398541344466597511723139954593704532500835034779486753
 . . . . . . . . . . . . . . . . . . . . [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)
							0c7ec1123035d2f3c46f0fff6b51384cd6deaca8
 . . . . . . . . . . . . . . . . [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-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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.azlabs.sg'
 . . . . . . . . . . . . . . . . [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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