DNS Gurus

SSL Verification Bypassed

The server's SSL certificate could not be verified. The analysis was completed using insecure mode. Data may be less reliable.

Reason:

Hostname Mismatch - certificate is issued for email.zywave.com, autodiscover.zywave.com, mke-zyw-mail04.zywave.com, not for mail.zywave.com

Cached · just now
19 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
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
  • • 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

Performance Headers

1 headers
Connection
Performance
close

Caching Headers

0 headers
No caching headers found

Content Headers

1 headers
Content-Length
Content
0

Server Headers

1 headers
X-Powered-By
Server
ASP.NET

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

15 headers
Alt-Svc
Other
":443";ma=2592000,h3-29=":443";ma=2592000
Date
Other
Tue, 20 Jan 2026 18:40:09 GMT
Ms-Cv
Other
bID9kTcKOy2fCpD91kKgEQ.1
Request-Id
Other
91fd806c-0a37-2d3b-9f0a-90fdd642a011
X-Backendhttpstatus
Other
417
X-Bepartition
Other
Clique/CLNAMPRD13MDW01
X-Besku
Other
UNKNOWN
X-Calculatedbetarget
Other
CH3PR13MB7168.NAMPRD13.PROD.OUTLOOK.COM
X-Feefzinfo
Other
MNZ
X-Feproxyinfo
Other
BL1PR13CA0110.NAMPRD13.PROD.OUTLOOK.COM
X-Feserver
Other
BL1PR13CA0110
X-Firsthopcafeefz
Other
MNZ
X-Preferredroutingkeydiagnostics
Other
0
X-Proxy-Backendserverstatus
Other
417
X-Proxy-Routingcorrectness
Other
1

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Consider removing X-Powered-By header to hide server technology