*.fastener.com.sg

Issued by R3

About this certificate

This digital certificate with serial number 04:01:9d:72:ae:4d:7a:cf:ec:07:67:5e:e0:af:bd:0f:f4:06 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): 04:01:9d:72:ae:4d:7a:cf:ec:07:67:5e:e0:af:bd:0f:f4:06
Serial Number (int): 348998710346419877894801460694387507852294
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 54:8e:c8:e6:e8:c8:48:97:b4:56:29:72:ac:e8:9d:e1:5e:bc:03:81
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c3:ab:8f:e8:22:5e:76:43:db:ba:f1:31:b1:00:bc:36:2f:b9:d7:53
Fingerprint (sha256): 1c:5b:7b:53:fc:a2:d0:31:be:ac:c9:db:bf:5c:fb:1c:eb:8d:30:c0:f9:bf:fd:3f:1a:47:0c:33:d2:9c:d6:39

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
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fastener.com.sg
fastener.com.sg
*.fastener.com.sg
*.fastener.com.sg
fastener.com.sg
fastener.com.sg
*.fastener.com.sg
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fastener.com.sg
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4L1SmQzAwOD9ZEcmFhlJ
aYL/eAyqLAc32/duFjxEcGfJoiuM0enqh82W/tbu7Zdgvu2wXWrdQQGjIcuh30kj
nNko9zXBhHNdWL0g5pWdo17YzxSMK+9/rzHpp/ln6HPI4ZwAwuzuibvT12P7ofuD
BInGCGyPgPj+ui6h1K62rg7+WsqqErBfcTGALEHSQt1E7y5YbAAsQO9WAE8V8FtB
hCZcdRdGkepLPqvGm2nZd5B/vsITtbdd/KH0AsaIso/LNvYkJ85zpkuOBnXPs5aK
M1rnv3d5kwSBbRT8WNhjSbfSam6u+oLsQGBas8p5k3aPVJxVC9oHz6TKRSTnCgeI
ywIDAQAB
-----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 348998710346419877894801460694387507852294
 . . . . . . . . [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 2024-01-24 17:46:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-23 17:46:45 +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 28370738789572458314348172555006128842448933331457977216395877821319488541198980254069873857180603284654085397950370736424242387470185575781585094447848629758783769303338451518888277089861557254531153663265936691725439285686154942431974722605605809070315120919486880424860773826806563065605110968592338434065871576238650923059646975963524602650765391399539698327444980338363693772243028185505308292734467197637814408410113042782499044527193919143979413042209145756663817207417474647090458562597661488964433644988892436793775570618586632877856294292600465793852492800991073127733667902729949584267257621356909773162699
 . . . . . . . . . . . . . . . . . . . . [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)
							548ec8e6e8c84897b4562972ace89de15ebc0381
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d3ccbd1780000040300473045022018d0e3de3d30c60ef4e9a70051b568ef8091fc8f012bda7643cde4a9fb995ebb02210094ce71f8a59c95f14724eb9b9549f004fa3791140322fbdbe91c062f2c64e98e0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d3ccbd1720000040300473045022100b0916bd33b9914e660967694dfbb4c2ca26e62734d7da7d5518e6e11179a930302201ac28207946eb0135de5decf5132351a3bff091412ecfb2f9b2282e53be0b14b
 . . . . [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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