HTTP Headers Analysis for https://mail.sharepoint.de

Detected Technologies from Headers

See all in URL Inspect 2

ASP.NET

Microsoft SharePoint

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

connection: close

Caching Headers

No caching headers found

Content Headers

Content-Length

Content

13

Content-Type

Content

text/plain; charset=utf-8

content-length: 13
content-type: text/plain; charset=utf-8

Server Headers

X-Powered-By

Server

ASP.NET

x-powered-by: ASP.NET

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Mon, 06 Apr 2026 05:55:40 GMT

Isocdi

Other

0

Microsoftsharepointteamservices

Other

16.0.0.27125

Ms-Cv

Other

ogc4lHBQAQBZoehkhu17Zw.0

P3p

Other

CP="ALL IND DSP COR ADM CONo CUR CUSo IVAo IVDo PSA PSD TAI TELo OUR SAMo CNT COM INT NAV ONL PHY PRE PUR UNI"

Request-Id

Other

943807a2-5070-0001-59a1-e86486ed7b67

Spiislatency

Other

0

Sprequestduration

Other

28

Sprequestguid

Other

943807a2-5070-0001-59a1-e86486ed7b67

X-Cache

Other

CONFIG_NOCACHE

X-Forms_based_auth_required

Other

https://mail.sharepoint.de/_forms/default.aspx?ReturnUrl=/_layouts/15/error.aspx&Source=/

X-Forms_based_auth_return_url

Other

https://mail.sharepoint.de/_layouts/15/error.aspx

X-Idcrl_auth_params_v1

Other

IDCRL Type="BPOSIDCRL", EndPoint="/_vti_bin/idcrl.svc/", RootDomain="sharepoint.de", Policy="MBI"

X-Ms-Invokeapp

Other

1; RequireReadOnly

X-Msdavext_error

Other

917656; Access+denied.+Before+opening+files+in+this+location%2c+you+must+first+browse+to+the+web+site+and+select+the+option+to+login+automatically.

X-Msedge-Ref

Other

Ref A: A425A427E8CA4EF1BFAD9BAC51682481 Ref B: BL2AA2011005023 Ref C: 2026-04-06T05:55:40Z

X-Networkstatistics

Other

0,65535,0,0,191,26244,26244,89526

X-Sharepointhealthscore

Other

3

date: Mon, 06 Apr 2026 05:55:40 GMT
isocdi: 0
microsoftsharepointteamservices: 16.0.0.27125
ms-cv: ogc4lHBQAQBZoehkhu17Zw.0
p3p: CP="ALL IND DSP COR ADM CONo CUR CUSo IVAo IVDo PSA PSD TAI TELo OUR SAMo CNT COM INT NAV ONL PHY PRE PUR UNI"
request-id: 943807a2-5070-0001-59a1-e86486ed7b67
spiislatency: 0
sprequestduration: 28
sprequestguid: 943807a2-5070-0001-59a1-e86486ed7b67
x-cache: CONFIG_NOCACHE
x-forms_based_auth_required: https://mail.sharepoint.de/_forms/default.aspx?ReturnUrl=/_layouts/15/error.aspx&Source=/
x-forms_based_auth_return_url: https://mail.sharepoint.de/_layouts/15/error.aspx
x-idcrl_auth_params_v1: IDCRL Type="BPOSIDCRL", EndPoint="/_vti_bin/idcrl.svc/", RootDomain="sharepoint.de", Policy="MBI"
x-ms-invokeapp: 1; RequireReadOnly
x-msdavext_error: 917656; Access+denied.+Before+opening+files+in+this+location%2c+you+must+first+browse+to+the+web+site+and+select+the+option+to+login+automatically.
x-msedge-ref: Ref A: A425A427E8CA4EF1BFAD9BAC51682481 Ref B: BL2AA2011005023 Ref C: 2026-04-06T05:55:40Z
x-networkstatistics: 0,65535,0,0,191,26244,26244,89526
x-sharepointhealthscore: 3

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