*.b2bexpo.com.au

Issued by R3

About this certificate

This digital certificate with serial number 04:9a:b2:5c:6b:f2:15:0c:13:01:4d:85:22:6a:9d:63:31:ad was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=*.b2bexpo.com.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:9a:b2:5c:6b:f2:15:0c:13:01:4d:85:22:6a:9d:63:31:ad
Serial Number (int): 401089710696823766890619774526353077121453
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d0:5a:0b:9b:96:75:0f:5e:82:76:50:c6:36:35:84:9d:42:6b:ac:7a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f1:d9:81:7d:67:c3:8f:d9:b3:40:76:5f:e5:e1:c4:09:c2:2e:c6:61
Fingerprint (sha256): a3:85:85:0e:7b:6d:15:f4:77:af:42:46:c6:95:0b:01:e1:7d:f9:f8:fe:d7:7e:a0:dc:6a:df:65:86:e7:77:41

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

Revocation information

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

Check the revocation status for certificate *.b2bexpo.com.au

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.b2bexpo.com.au

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

*.abf.events
*.b2bexpo.com.au
b2bexpo.com.au
www.b2bexpo.abf.events

Other certificates including the domain name b2bexpo.com.au

(limited to 100 certificates)
b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
*.b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
sbcmedia.com.au
b2bexpo.com.au
b2bexpo.com.au
sbcsummitexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
*.b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
sbcsummit.b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au
b2bexpo.com.au

Certificate

The complete raw certificate details for *.b2bexpo.com.au in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6qNe6BAjOzl6/1OwVtnM
ogCOSzgzPc6vAdvWwgYJput72cT2O2ZmZzpH2/M4BmJNxDzWiB38U9rzpnE+6Mf8
RsXV+Nc+K5Q8eykTUs10Ui0OufeH0DpQMyJGfNLQPTMfuuA9hkOCrhfOEXpC+XCy
cUupbxkS+ZYcRaIHJsZe2yWYVrtZQiwEthOHXkpVpv76IpArj/HuPqz5KxBSC8Iq
4/FLLU1BnVOzi/hhXD36Lmz/co+XqgHmF7N5BG0cahynGLdp/vRFLxk9UGISofeP
9yEuveKwC+3aINIDPR0lL54Q7Dyn5TkcL40kgvqqKjunZMFlSGYyOXqTLruQI+RJ
YQIDAQAB
-----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 401089710696823766890619774526353077121453
 . . . . . . . . [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 2024-04-07 02:29:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-06 02:29:34 +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 '*.b2bexpo.com.au'
 . . . . . . . . [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 29620324470835173852065789205815221439679698861177077498933254219855912240867547385615762256641237952396321765417234311663999516734983913189326297487487132315244602652366678716936175262252747034788922196737911641946887644487504630030582037602548241430405302953325303735044490278693224274274501519965686877464978257450155425235246802474918908314142399831747706343304040921113189818086105984918191531159172488477715417440130280317291104979053416626642426871686715168175052987133721641434490139770402993432807843627630591559529267106626665583162729686619022147111532216488389382104843370213348262456434617163025263905121
 . . . . . . . . . . . . . . . . . . . . [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)
							d05a0b9b96750f5e827650c63635849d426bac7a
 . . . . . . . . . . . . . . . . [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 (74 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.abf.events'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.b2bexpo.com.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'b2bexpo.com.au'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.b2bexpo.abf.events'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018eb69ab307000004030046304402200d3486e026a26b1f8064b4b58ff6d185a8b72faca71e43c9761851eeff58fae00220103d7f64e23284f5e78565a7df3353071b7cf551131ebbd63d33d8ef9fe78b1b00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018eb69ab3310000040300473045022100a31bf11cae7e5244536ce46250750dfdb2588e563469b9eabce9a8df8e0ee0d3022027c7e09b80e377259a69734bb6d651b1464ef81bfe77802b489cc232879a2978
 . . . . [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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