Open
Cached
·
just now
78/100
SECURITY SCORE
Certificate Information
Subject
C=US, ST=WA, L=Redmond, O=Microsoft Corporation, CN=vb.dev
Issuer
C=US, O=Microsoft Corporation, CN=Microsoft Azure RSA TLS Issuing CA 04
Valid From
November 07, 2025
Valid Until
May 06, 2026
130 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA384-RSA
SHA-256 Fingerprint
5F:A8:46:52:E9:C8:8D:CE:ED:94:46:3F:F0:55:0A:B5:7B:8F:88:0E:FC:BC:5D:82:C3:20:9A:AF:01:B2:F5:01
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Not Authorized
(Potential misconfiguration)
CAA Issues
- • CRITICAL: Current certificate issuer 'C=US, O=Microsoft Corporation, CN=Microsoft Azure RSA TLS Issuing CA 04' is NOT authorized by CAA records. Authorized CAs:
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
Subject Alternative Names
175 domains
averesystems.com
library.averesystems.com
support.averesystems.com
www.averesystems.com
appreadiness.com
www.appreadiness.com
live.asp.net
aspnet.dev
www.aspnet.dev
blazor.net
www.blazor.net
carbonatedgames.net
www.carbonatedgames.net
carbonatedgames.org
www.carbonatedgames.org
csharp.dev
www.csharp.dev
customvision.ai
desktop.dev
www.desktop.dev
digigirlz.com
www.digigirlz.com
domainsdata.microsoft
www.domainsdata.microsoft
docs.dot.net
dot.net
get.dot.net
live.dot.net
www.dot.net
dotnet.dev
www.dotnet.dev
dynamics.ai
www.dynamics.ai
alerts.dynamics.com
blog.businesscentral.dynamics.com
blog.commerce.dynamics.com
blog.connected-store.dynamics.com
blog.csinsights.dynamics.com
blog.customerinsights.dynamics.com
blog.customerservice.dynamics.com
blog.fieldservice.dynamics.com
blog.finance-operations.dynamics.com
blog.fraudprotection.dynamics.com
blog.gp.dynamics.com
blog.guides.dynamics.com
blog.layout.dynamics.com
blog.marketing.dynamics.com
blog.marketinsights.dynamics.com
blog.nav.dynamics.com
blog.product-insights.dynamics.com
blog.productvisualize.dynamics.com
blog.psautomation.dynamics.com
blog.remoteassist.dynamics.com
blog.sales.dynamics.com
blog.scm.dynamics.com
blog.sl.dynamics.com
blog.virtualagent.dynamics.com
customers.dynamics.com
explore.dynamics.com
mycommunity.dynamics.com
techtalks.dynamics.com
www.blog.dynamics.com
www.customers.dynamics.com
www.explore.dynamics.com
www.mycommunity.dynamics.com
www.techtalks.dynamics.com
mycommunity.dynamics365.com
techtalks.dynamics365.com
www.mycommunity.dynamics365.com
www.techtalks.dynamics365.com
www.envisionforum.cz
flip.com
www.flip.com
fsharp.dev
www.fsharp.dev
docs.fslogix.com
fslogix.com
support.fslogix.com
www.fslogix.com
futuredecoded.com
www.futuredecoded.com
gamestack.com
www.gamestack.com
leap.dev
www.leap.dev
lobe.dev
www.lobe.dev
makecode.dev
www.makecode.dev
www.microsoft.be
microsoft.no
www.microsoft.no
community.microsoftcasualgames.com
microsoftcodeforfuture.com
www.microsoftcodeforfuture.com
microsoftdlapartnerow.pl
www.microsoftdlapartnerow.pl
microsofthup.com
www.microsofthup.com
microsoftlife.com
www.microsoftlife.com
microsoftpartnerinvestments.com
www.microsoftpartnerinvestments.com
microsofttradein.com
www.microsofttradein.com
microsoftventures.com
www.microsoftventures.com
modernbiz.ca
www.modernbiz.ca
msftdomains.com
www.msftdomains.com
msfteducation.ca
www.msfteducation.ca
msngames.com
www.msngames.com
msngamescasino.com
www.msngamescasino.com
msngamescasino.net
www.msngamescasino.net
nuget.dev
www.nuget.dev
officeuifabric.info
www.officeuifabric.info
officeuifabric.io
www.officeuifabric.io
officeuifabric.net
www.officeuifabric.net
officeuifabric.org
www.officeuifabric.org
customers.powerapps.com
www.customers.powerapps.com
customers.powerbi.com
www.customers.powerbi.com
powerplatform.com
www.powerplatform.com
powerquery.com
www.powerquery.com
powervirtualagent.com
www.powervirtualagent.com
powervirtualagents.com
www.powervirtualagents.com
projectsangam.com
www.projectsangam.com
pwabuilder.com
rdap.microsoft
www.rdap.microsoft
remix3d.com
signalr.net
www.signalr.net
szkolyprzyszlosci.pl
www.szkolyprzyszlosci.pl
teams.new
techcommunity.com.au
www.techcommunity.com.au
tunegociointeligente.cl
www.tunegociointeligente.cl
uifabric.com
www.uifabric.com
uifabric.info
www.uifabric.info
uifabric.io
www.uifabric.io
uifabric.net
www.uifabric.net
uifabric.org
www.uifabric.org
vb.dev
www.vb.dev
www.visualstudio.dev
visualstudiocode.dev
www.visualstudiocode.dev
what-dog.net
www.what-dog.net
www.xamarin.dev
xamarin.dev
Other domains in certificate