*.sgsengkang.com

Issued by R3

About this certificate

This digital certificate with serial number 04:fd:1e:d5:e5:62:3e:44:9c:f5:3e:92:a2:3b:3c:90:1d:b8 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=*.sgsengkang.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fd:1e:d5:e5:62:3e:44:9c:f5:3e:92:a2:3b:3c:90:1d:b8
Serial Number (int): 434581570009598263418609586725302955941304
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b5:59:24:0b:21:b6:7d:4b:73:bb:b6:d5:00:15:57:7f:01:72:62:0e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 13:ec:8c:05:fb:b0:84:e1:5a:e7:aa:af:57:de:c5:f6:57:5e:37:70
Fingerprint (sha256): 58:ec:40:58:59:66:65:a9:0e:48:fc:f0:d3:06:0d:43:11:25:af:17:91:d5:79:d3:18:ec:9e:86:0f:d7:d7:a2

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

Revocation information

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

Check the revocation status for certificate *.sgsengkang.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.sgsengkang.com

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

*.sgsengkang.com
sgsengkang.com

Other certificates including the domain name sgsengkang.com

(limited to 100 certificates)
sgsengkang.com
sgsengkang.com
sgsengkang.com
*.sgsengkang.com
sgsengkang.com
sgsengkang.com
sgsengkang.com
sgsengkang.com
sgsengkang.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyqRyy5jJzuDAjHySPPJZ
eLQdCscifM82Ege0gsbwg4Gz03Nz3CQ8MvafujiO17Mfep4Nrz1BSh9uWOwNazVG
UrtiFMRCET31uYQ3n6sMn4K/2pCAPjLUS1CFR+jbiduMiSbXDoomYQCV8WkZpnfJ
3q3LxsXvhrBxv954CGvMozA4qCyJ45cg2lZe5rUvz2PKKbXV2RjsWCGsF7dkezvY
k70O6f8gOJC77ubnj8GceYc3TPZaOeMxZWfRjlbbCAlo+Zv0tTAzbFBGZ8Vq8MwQ
8IyL8x3EZbC3UXwR45uMijr/0uRXSIQAZk6+Bef0fMYLrn2twLkSQTi1qchuBrhu
pwIDAQAB
-----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 434581570009598263418609586725302955941304
 . . . . . . . . [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 2023-11-29 14:48:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-27 14:48:15 +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 '*.sgsengkang.com'
 . . . . . . . . [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 25581230140982579905803507453494487868584737034654223462894151935158836101675361038995488987615837605217001077066819988700482461214519930093400449418193327699555509682767066690852326145051773435108985191700274633992239775206484542191449820229672803110790789618365867454588222697371735356153957997397939457650324024575692234516038685961383130971235868153496724018356412333341070254395085127777900223517385680593397822807483047433483006319063755273684659451900056617331135560045855667235801762797077774325535980831347387376449284753149145979057506759492379958400504165234498656387900120655456596678138867414654644678311
 . . . . . . . . . . . . . . . . . . . . [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)
							b559240b21b67d4b73bbb6d50015577f0172620e
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.sgsengkang.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sgsengkang.com'
 . . . . . . . . . . . . . . . . [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)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c1bc444ff0000040300483046022100d9931fa1eca7fe9bda46536f0afa0831a2de4406162fefca40650c67fd9b75e5022100db255205b4d63a46b6cb7bf903c0a7fb7632c98be88c4a29806d08e78bb2dccf00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c1bc4459c0000040300473045022076a6e98467ca66a8f3d73aafac918c024c45014ee4c0c9c97f7c677f99ba9aaa0221008108fba70983aeee8e78a47717a93c5d477d42f09e8fbc48e218c3b6c2e0cd12
 . . . . [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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