www.azlabs.sg

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:45:a8:be:f0:eb:56:b9:0b:b1:d6:df:eb:22:00:52:b3:40 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): 04:45:a8:be:f0:eb:56:b9:0b:b1:d6:df:eb:22:00:52:b3:40
Serial Number (int): 372152928770704490533966580132670971491136
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9b:99:cf:2c:61:66:d1:a7:f7:8f:c1:1c:0a:65:3e:6f:5d:a1:51:b3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 54:c2:b1:f0:24:33:29:0d:b5:cb:4a:59:27:e4:0d:5d:6e:75:67:fc
Fingerprint (sha256): c4:8f:67:70:ef:1a:4a:c8:88:f7:77:93:c6:a2:63:c1:d2:a8:6c:50:0d:ad:cb:98:6e:39:b2:0a:7a:dd:85:f3

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

9 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 372152928770704490533966580132670971491136
 . . . . . . . . [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 2019-04-01 01:19:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-30 01:19:10 +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 704329877889553527878837665220473067188246091009209408107204088979402473378558828008656993697379934196762308969622554161839075283159882712501644170505166330914966395067735509613513385524912730240606910406539392633905498756647751665865238505675080926741910561535647965103392552140080297082073434582846215441868043510374039099698106576537242560318152161586023102140202754503166011294458720476599198020845050916521043192959222309091309744483303475136995327561504051485453529531874918794684039799521758457890522543767513281390964820713923869327163517867714574370244754057230070570900170225121530643350653658709497212579352086620492656019590029664556483391904272739846008429790209397206506364491894587721520017702137611747897115210015204091171907512371752863549421057011525293914007964609798386602118292052645159986849070526911723195430635484064807138878743331265115206161528477423624908275609178777642324433926648136695765252677097944652109178710761166210826280553046133856925718240603748828712511672590998278266939015373543346672933430672834897194771671831849280640356023727134316343033413403681354003711088668425492143531398711641166755448295869890119603981894594111536249079897473260412208158470058549800589684574586999137643203411861
 . . . . . . . . . . . . . . . . . . . . [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)
							9b99cf2c6166d1a7f78fc11c0a653e6f5da151b3
 . . . . . . . . . . . . . . . . [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 (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 (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)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169d6b180c80000040300483046022100e0c3b5aa8c28c2ab2309fdc90a0c2aa1e2a1e10ae406ca5fedbb6c0c51210ab70221008dffef406ffe0c817966e15cb33970f36cb9cf4839a1623b4a2a1f84fe813da4007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169d6b180d40000040300473045022100b8b4c0b107609770e4c70b9dc6829820734de7285e0dcf0e35e7a89c048908fa02200a40e8c91cf510ead7db0b4cdf51426f4aa001285578098618136e6c58d33a7a
 . . . . [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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