*.fastener.com.sg

Issued by R3

About this certificate

This digital certificate with serial number 03:a9:4b:7f:4f:43:ea:94:f0:9f:db:af:87:6b:ec:bb:8f:d7 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=*.fastener.com.sg

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a9:4b:7f:4f:43:ea:94:f0:9f:db:af:87:6b:ec:bb:8f:d7
Serial Number (int): 318944930933995488005332606104468906020823
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cf:c2:ba:59:47:3e:11:87:30:2b:31:ac:55:6c:9b:0b:9c:76:5c:42
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): da:9e:75:da:b6:d1:5c:d1:a7:5f:77:82:2a:2b:29:52:99:a6:81:93
Fingerprint (sha256): 66:64:89:35:d2:f4:78:9e:fe:ed:a3:f2:ac:b5:64:d3:9e:e9:af:b8:9f:eb:7d:4f:d6:bb:1a:04:e8:4f:90:6a

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate *.fastener.com.sg

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.fastener.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.fastener.com.sg
fastener.com.sg

Other certificates including the domain name fastener.com.sg

(limited to 100 certificates)
fastener.com.sg
*.fastener.com.sg
*.fastener.com.sg
*.fastener.com.sg
fastener.com.sg
fastener.com.sg
fastener.com.sg
*.fastener.com.sg
*.fastener.com.sg
fastener.com.sg
fastener.com.sg
*.fastener.com.sg
fastener.com.sg
fastener.com.sg
*.fastener.com.sg
*.fastener.com.sg
sni.cloudflaressl.com
fastener.com.sg
fastener.com.sg
fastener.com.sg
*.fastener.com.sg
fastener.com.sg
sni.cloudflaressl.com
*.fastener.com.sg
fastener.com.sg

Certificate

The complete raw certificate details for *.fastener.com.sg in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArZSixRQ0Mlt+6XgEbxAW
H/MrV2kyOxZ1nHWZzGob+pdvUu3+AminDnt22tzWRdbFJ/11r5Xghsq9Xipe3Cre
dqAUO9QM3eyi7ost1QtR1q6S1QUI7wfaMYSMpPKsM1pq13e0UBvh55JHg/xm0z4J
zmAU69vvFSHASSPIdl/631HY/UBh7q0h6acpe5+0DTSA+/YMeqcPRIfTjB+grnE6
nmo5/gIe8EEmYJc+A6BJRaFP6tIEfzmZqib9ZBcS8NNjeBbLlDgWNbGxKOX6b5gx
Pkv6xR+F4Vgp/oHG42T5NQmRq0nMZYVnZX2EgUKimh3wvhT9essXpoqE4PLjpD70
qQIDAQAB
-----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 318944930933995488005332606104468906020823
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-25 18:36:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-23 18:36:21 +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:12|false] UTF8String '*.fastener.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 21912521813559244720801391976376371608939141672399879715840733220321435550988929512863219376437448152235154158231361166046606875037758386662145899441922129067896687680268670433651000213288588065501439729538965066331788140461537122197702748465053078392918353212147874639411563663860644018044482130616575298579588899752998021349276448391220488281849764923847574382870354014733384947417039032679066210255154663737508839222633687563104229328324276642119430921666064670089046336153153590604521798078195861600359865957536826860769686930035269490180441065293946333444894068415386627439305164983339604537926999758681617134761
 . . . . . . . . . . . . . . . . . . . . [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)
							cfc2ba59473e1187302b31ac556c9b0b9c765c42
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.fastener.com.sg'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fastener.com.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c07fba7670000040300483046022100a4423cfde7b4c9e57173794bd305717c49a8eb5ef36d4dacfb2666a6aaca4c5f022100b4d34bad771d28c84581caf1dab5645d241f7e7accfa1d3bcbc49132ccb40cfe007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c07fba7900000040300473045022100ac278c010d2026e0161bdbe4d66fbbe23c1b11b04c801f755ececb074c69715802202bc52d1fcb34b11f5e01708f3948a5977d3b3981e934fab20d452331a39347f4
 . . . . [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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