woosa.sg

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:27:e7:59:19:6a:8a:06:44:df:46:9a:12:37:8e:24:cb:3e 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=woosa.sg

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:27:e7:59:19:6a:8a:06:44:df:46:9a:12:37:8e:24:cb:3e
Serial Number (int): 362027670333905453655820602198255668087614
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5e:32:c6:b6:bf:5b:7d:9e:ac:81:09:87:bd:82:62:57:5f:d6:75:6c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 16:f7:a5:5b:a2:5f:ce:3d:28:e5:6f:9f:f1:3f:d7:52:21:6c:ee:0b
Fingerprint (sha256): 80:b6:9d:06:86:9b:c6:8c:5d:df:9a:72:2f:c3:0a:df:8e:e3:02:84:3d:e1:56:74:ae:68:c8:39:12:d9:cf:f5

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 woosa.sg

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for woosa.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

woosa.sg
www.woosa.sg

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw7DJxH44L0/P0bXoLa5u
sCimivaOOcyJZ6idmaGwLH4D6K6ANS5vYPHXSWKrfEbfc6bOpXzjf+FmlXnp0jiX
z/ze8LdUZgxWHMln5CLyvUgBtSiyyKSV5bYsYTfnt/R8VMadNKkbJNTx8Kmh39AE
hE8mpINUZtIOWbVvX816EK08D2LhEcd046HKUwu6x5vj/+Al5saBANZE6qosGIjw
VRLFXU6oGVe3dbfRzH9qDj8CXpyAiBzGRY4wRd69ky2g3MZwInePsdt5FuVpLoWi
0Jfvt6hhdcyuosWOUeVNPEU+n4THj0j9kG2RsGBJ0So5e870YH8rihbqBAoQ7Tw6
RQIDAQAB
-----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 362027670333905453655820602198255668087614
 . . . . . . . . [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 2020-03-14 21:12:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-12 21:12:03 +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 'woosa.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 24703646956512849389762106331824830420333165373185294907180952833094057849295400975560732332940125670640205604003777433413226959745600961442059847733105221728154974794445891717470354968875298204880998967660758668222456726799350726909215447679415557295217949123355553618953604314086789597354834996953875380428408590291385221827457730814652187406527145920333227261808152714379426318875413116383472828046885659215862472111614723181567124554321781495187034644306482864820500316451617061276663576690752088511054367216506364008526135576570090564755955100058481142751227663170635635158437032519878053270258429345837344373317
 . . . . . . . . . . . . . . . . . . . . [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)
							5e32c6b6bf5b7d9eac810987bd8262575fd6756c
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'woosa.sg'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.woosa.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170db1aac4d0000040300483046022100f5476c59cb704b95bd8894b28eb1bc5cf97fa06464e073d4b521af8ed2632fa9022100d87df87f9d47723c8408112b07c47a75c5aa3b56a6a02c6b3ccdb8edd97cb0ad007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170db1aac3d000004030046304402200cd9590063554709955bd2977592922ff9a1fd449c476997ae317a3311baa4a702204335ee0f8ae0a7cc5471436dbad9925d6371f3fb470b967ca329cf81f621c05e
 . . . . [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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