dk-bwcosports.betway.com

Issued by R3

About this certificate

This digital certificate with serial number 04:5a:c5:52:b2:f0:15:04:ed:6b:a0:4f:71:bd:e2:48:49:9e was issued on by Let's Encrypt.

With 3 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=dk-bwcosports.betway.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:5a:c5:52:b2:f0:15:04:ed:6b:a0:4f:71:bd:e2:48:49:9e
Serial Number (int): 379336844062727650176543414993207633136030
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: cc:8e:48:ba:35:a5:9d:f5:26:19:98:3c:85:99:31:94:f8:99:1e:fd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 36:48:4d:4c:2e:7a:d0:7c:d2:b8:32:4a:6f:ff:49:21:a4:b5:a7:fe
Fingerprint (sha256): 05:fe:53:e0:c8:45:eb:08:69:a7:68:9b:83:bf:e8:e7:37:b5:d7:4f:0b:b1:7e:a4:bb:a2:11:38:4d:84:2b:ed

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

Revocation information

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

Check the revocation status for certificate dk-bwcosports.betway.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dk-bwcosports.betway.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

bwcotest-sports.palainteractive.com
dk-bwcosports.betway.com
dk-bwcostage.palainteractive.com

Other certificates including the domain name betway.com

(limited to 100 certificates)
support.lingo4all.com
support.lingo4all.com
smetric.betway.com
dk-bwcosports.betway.com
support.lingo4all.com
support.lingo4all.com
support.lingo4all.com
support.lingo4all.com
support.lingo4all.com
dk-bwcosports.betway.com
webmail.wintech.eu
smetric.betway.com
helpdesk.compti.co.ao
incapsula.com
incapsula.com
support.onmon.global
support.lingo4all.com
cloud.email1.betway.com
qwerty.aaathavan.com
support.lingo4all.com
support.lingo4all.com
helpdesk.miadistribution.com.au
support.thetelephony.co
incapsula.com
view.email1.betway.com
grassroots.betway.com
support.gamingedge.net
support.signalmash.com
dk-bwpasports.betway.com
ia.betway.com
support.lingo4all.com
incapsula.com
incapsula.com
global-row-uat.betway.com
incapsula.com
incapsula.com
support.lingo4all.com
*.betway.com
support.lingo4all.com
support.lingo4all.com
dk-bwnjsports.betway.com
pages.email1.betway.com
akamai-san64.exacttarget.com
support.bringpro.com
desk.zurot.org
help.gogappi.com
dk-bwcosports.betway.com
support.ospreymeasurement.com
in.betway.com
www.betway.com
images.betway.com
help.gogappi.com
co.betway.com
incapsula.com
support.lingo4all.com
desk.zurot.org
support.goliveus.com
support.onmon.global
ia.betway.com
webmail.wintech.eu
nexsource-sbo.nexus-sr.com
support.whiteoakpartners.com
support.gamingedge.net
nexsource-sbo.nexus-sr.com
support.lingo4all.com
support.tappyrewards.com
support.lingo4all.com
desk.rickandnix.com
helpdesk.ennoventure.com
dk-bwpasports.betway.com
support.thetelephony.co
helpdesk.miadistribution.com.au
servicedesk.onex.co
www.unvs.club
support.thetelephony.co
support.onmon.global
nexsource-sbo.nexus-sr.com
desk.rickandnix.com
support.lingo4all.com
support.goliveus.com
s.betway.com
support.lingo4all.com
support.az.betway.com
helpdesk.ennoventure.com
desk.rickandnix.com
desk.zurot.org
support.ameritrex.net
helpdesk.ennoventure.com
support.signalmash.com
*.betway.com
incapsula.com
www.betway.com
support.gamingedge.net
incapsula.com
support.niveshonline.com
support.lingo4all.com
s.betway.com
smetric.betway.com
zoho.silvprop.com
support.lingo4all.com

Certificate

The complete raw certificate details for dk-bwcosports.betway.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxU2M0tV2Fq6PXRuhy5w0
kbg0f9ax/iPy9NGZK6AKZ8TQ0H5MMkq1Zzw2s8DCFT8JDot7OOoV42aF+8gw4eqA
DSVCSS1WriFqHjdNxjoiJjP1kRZwrO6AUYqUw3vrGprLJd9rfj4J1FaiE/WPihm7
iN0jW/q7kaVgBItiwGpe14oqWOGNB9fTU0JUddm9T03Al5aE5paJzHUC/DaDRODM
2xS+Yl2QrbGFmCLl96rg9rBgmohxAVz760Z6CIK0OyRHYwPMqXU3MC6JSEjrPays
v38zlJ6lfsa0EZhYPA1VcWVwsQe/vNyPCPjcm4r9DCqhxdHi+ms0KnYIY+TZUW1x
mQIDAQAB
-----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 379336844062727650176543414993207633136030
 . . . . . . . . [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 2023-12-08 16:31:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-07 16:31:41 +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 'dk-bwcosports.betway.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 24907187453988356081042351437684846314996429373550230336518740404303959563911895303297616374684292770949850330690002258866588432103651693316189097977414139190439077955783251062668344788360934359492057959333476508013595942509837140740914734871742393835238182081706526387976683812171251883578411528409918399288025356616187197477587525288544959058771804343043802026637853871449133642914577290565966095524400401000917622844302347341698283636125548382869849743372309513911984241455271800604322855898634987455470095732994799048154350625796892847796703952562587167316334739561606918374635081268247867484756919272625062900121
 . . . . . . . . . . . . . . . . . . . . [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)
							cc8e48ba35a59df52619983c85993194f8991efd
 . . . . . . . . . . . . . . . . [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 (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bwcotest-sports.palainteractive.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dk-bwcosports.betway.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dk-bwcostage.palainteractive.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c4a7c33d2000004030047304502206ca3a1a41efa700484adbe10562d92b33175c68408df42af614db9c1bc2ff189022100fa6773e22129e02b4ce8d8701cf9a8ca276ff4f64d440019151c5251599ea1a900760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c4a7c33d50000040300473045022062ce718685a3f81b879b3ea1c4bb17d4599a257b6bb4544fc9bb9f78a849dd6e022100e2bb62257e347517e1a9e3d58e2807b418091399a3a7cc2b304d429f2f87c09c
 . . . . [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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