Submitted URL: https://public-eur.mkt.dynamics.com/api/orgs/d772de98-fb06-ef11-9f85-000d3a48675b/r/rq8tkNQnTEeF5uWUkK6MDwEAAAA?target=%7B%22TargetU...
Effective URL: https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-9e13-ef11-9f89-000d3...
Submission: On May 17 via manual from US — Scanned from DE

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 9 HTTP transactions. The main IP is 2620:1ec:46::45, located in United States and belongs to MICROSOFT-CORP-MSN-AS-BLOCK, US. The main domain is assets-usa.mkt.dynamics.com. The Cisco Umbrella rank of the primary domain is 42422.
TLS certificate: Issued by Microsoft Azure RSA TLS Issuing CA 04 on April 14th 2024. Valid for: a year.
This is the only time assets-usa.mkt.dynamics.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 52.146.128.240 8075 (MICROSOFT...)
7 2620:1ec:46::45 8075 (MICROSOFT...)
2 20.49.124.158 8075 (MICROSOFT...)
9 2
Apex Domain
Subdomains
Transfer
7 dynamics.com
public-eur.mkt.dynamics.com — Cisco Umbrella Rank: 237585
assets-usa.mkt.dynamics.com — Cisco Umbrella Rank: 42422
public-usa.mkt.dynamics.com — Cisco Umbrella Rank: 59043
34 KB
3 azureedge.net
cxppusa1formui01cdnsa01-endpoint.azureedge.net — Cisco Umbrella Rank: 156408
206 KB
9 2
Domain Requested by
4 assets-usa.mkt.dynamics.com cxppusa1formui01cdnsa01-endpoint.azureedge.net
3 cxppusa1formui01cdnsa01-endpoint.azureedge.net assets-usa.mkt.dynamics.com
cxppusa1formui01cdnsa01-endpoint.azureedge.net
2 public-usa.mkt.dynamics.com cxppusa1formui01cdnsa01-endpoint.azureedge.net
1 public-eur.mkt.dynamics.com 1 redirects
9 4

This site contains no links.

Subject Issuer Validity Valid
assets-usa.mkt.dynamics.com
Microsoft Azure RSA TLS Issuing CA 04
2024-04-14 -
2025-04-09
a year crt.sh
*.azureedge.net
Microsoft Azure RSA TLS Issuing CA 04
2024-04-09 -
2025-04-04
a year crt.sh
prdia888wus0aks.mkt.dynamics.com
Microsoft Azure RSA TLS Issuing CA 07
2024-03-07 -
2025-03-02
a year crt.sh

This page contains 1 frames:

Primary Page: https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-9e13-ef11-9f89-000d3a5d113f
Frame ID: DFB21E7EF45470C9E69FDA14DEE6B5DF
Requests: 8 HTTP requests in this frame

Screenshot


Page URL History Show full URLs

  1. https://public-eur.mkt.dynamics.com/api/orgs/d772de98-fb06-ef11-9f85-000d3a48675b/r/rq8tkNQnTEeF5uWUkK6MDwEAAAA?... HTTP 302
    https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-... Page URL

Page Statistics

9
Requests

100 %
HTTPS

33 %
IPv6

2
Domains

4
Subdomains

2
IPs

2
Countries

240 kB
Transfer

752 kB
Size

0
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://public-eur.mkt.dynamics.com/api/orgs/d772de98-fb06-ef11-9f85-000d3a48675b/r/rq8tkNQnTEeF5uWUkK6MDwEAAAA?target=%7B%22TargetUrl%22%3A%22https%253A%252F%252Fassets-usa.mkt.dynamics.com%252F0b8e64ad-8a13-ef11-9f85-00224806e514%252Fdigitalassets%252Fstandaloneforms%252F87519507-9e13-ef11-9f89-000d3a5d113f%22%2C%22RedirectOptions%22%3A%7B%225%22%3Anull%2C%221%22%3Anull%7D%7D&digest=%2BGR7NptAflgjnbPtEMr3mbH5yL02op1rFbbMU3FvmG8%3D&secretVersion=7c13c22c20aa46a1b2fc8b71fde4d19a HTTP 302
    https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-9e13-ef11-9f89-000d3a5d113f Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

9 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request 87519507-9e13-ef11-9f89-000d3a5d113f
assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/
Redirect Chain
  • https://public-eur.mkt.dynamics.com/api/orgs/d772de98-fb06-ef11-9f85-000d3a48675b/r/rq8tkNQnTEeF5uWUkK6MDwEAAAA?target=%7B%22TargetUrl%22%3A%22https%253A%252F%252Fassets-usa.mkt.dynamics.com%252F0b...
  • https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-9e13-ef11-9f89-000d3a5d113f
491 B
821 B
Document
General
Full URL
https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-9e13-ef11-9f89-000d3a5d113f
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
f98d46a49072d4c1722d2db9bb9696e5a349cb324cddb20030f0a05f30ec5e2f
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; preload
X-Content-Type-Options nosniff

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

accept-ranges
bytes
access-control-allow-origin
*
cache-control
public, max-age=900, must-revalidate
content-length
491
content-type
text/html
date
Fri, 17 May 2024 19:18:29 GMT
strict-transport-security
max-age=2592000; preload
x-azure-ref
20240517T191828Z-1675f555588f447719xkneu8fc00000005dg000000016uxu
x-cache
TCP_MISS
x-content-type-options
nosniff
x-fd-int-roxy-purgeid
70118866
x-ms-trace-id
0154a8a207cfa1a2163d091691151584

Redirect headers

Connection
keep-alive
Content-Length
0
Date
Fri, 17 May 2024 19:18:28 GMT
Location
https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-9e13-ef11-9f89-000d3a5d113f#msdynmkt_trackingcontext=902dafae-27d4-474c-85e6-e59490ae8c0f
Server
nginx
Strict-Transport-Security
max-age=2592000; preload
x-content-type-options
nosniff
x-ms-trace-id
c245e0440ab1b4cae220360c6a7d1b4a
FormLoader.bundle.js
cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/
694 KB
204 KB
Script
General
Full URL
https://cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/FormLoader.bundle.js
Requested by
Host: assets-usa.mkt.dynamics.com
URL: https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-9e13-ef11-9f89-000d3a5d113f
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
779b4fbe4a213e68edb39d99832b2eb3c3eeceb8dc06004ee5bffa104a56b239

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://assets-usa.mkt.dynamics.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-lease-status
unlocked
x-ms-blob-type
BlockBlob
date
Fri, 17 May 2024 19:18:29 GMT
content-encoding
br
last-modified
Tue, 27 Feb 2024 09:22:18 GMT
vary
Accept-Encoding
x-azure-ref
20240517T191829Z-1675f555588tp7xrm4q7zdkv280000000dcg00000000g2hq
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
03510a6b-501e-000d-349b-a4d283000000
x-cache
TCP_HIT
x-ms-version
2009-09-19
x-fd-int-roxy-purgeid
66630197
87519507-9e13-ef11-9f89-000d3a5d113f
assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/forms/
29 KB
6 KB
Fetch
General
Full URL
https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/forms/87519507-9e13-ef11-9f89-000d3a5d113f
Requested by
Host: cxppusa1formui01cdnsa01-endpoint.azureedge.net
URL: https://cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/FormLoader.bundle.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
9635aac540c75d164841d520753d7ac62cd4a6d015ea7a11b49f29267f7b50e8
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Accept
text/plain
Referer
https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-9e13-ef11-9f89-000d3a5d113f
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 17 May 2024 19:18:30 GMT
strict-transport-security
max-age=2592000; preload
x-content-type-options
nosniff
content-encoding
br
x-ms-trace-id
74ff684ec22dd46b5a63b80c3a42e15f
vary
Accept-Encoding
x-azure-ref
20240517T191829Z-1675f555588f447719xkneu8fc00000005dg000000016v03
content-type
text/html
access-control-allow-origin
*
x-cache
TCP_MISS
cache-control
public, max-age=900, must-revalidate
x-fd-int-roxy-purgeid
70118866
translation.json
cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/public/locales/de-de/
2 KB
1 KB
Fetch
General
Full URL
https://cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/public/locales/de-de/translation.json
Requested by
Host: cxppusa1formui01cdnsa01-endpoint.azureedge.net
URL: https://cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/FormLoader.bundle.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
42ecc2212d111c9106bde02e31a393fb0e76b897e53cdbeeb1f75e2a42ffb9c9

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://assets-usa.mkt.dynamics.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-lease-status
unlocked
x-ms-blob-type
BlockBlob
date
Fri, 17 May 2024 19:18:29 GMT
content-encoding
br
last-modified
Tue, 27 Feb 2024 09:22:19 GMT
vary
Accept-Encoding
x-azure-ref
20240517T191829Z-1675f555588dk2wjt8h1anc49c00000003sg0000000100b2
content-type
application/json
access-control-allow-origin
*
x-ms-request-id
e4c23af0-d01e-0005-622f-a78a92000000
x-cache
TCP_HIT
x-ms-version
2009-09-19
x-fd-int-roxy-purgeid
66630197
x-cache-info
L1_T2
translation.json
cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/public/locales/en-us/
1 KB
994 B
Fetch
General
Full URL
https://cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/public/locales/en-us/translation.json
Requested by
Host: cxppusa1formui01cdnsa01-endpoint.azureedge.net
URL: https://cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/FormLoader.bundle.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
491377db69c365d489c88bd4ac641d341b52e6a70b034390a5fc3d161268bca5

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://assets-usa.mkt.dynamics.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-ms-lease-status
unlocked
x-ms-blob-type
BlockBlob
date
Fri, 17 May 2024 19:18:29 GMT
content-encoding
br
last-modified
Tue, 27 Feb 2024 09:22:19 GMT
vary
Accept-Encoding
x-azure-ref
20240517T191829Z-1675f555588dk2wjt8h1anc49c00000003sg0000000100b3
content-type
application/json
access-control-allow-origin
*
x-ms-request-id
ab2b6bc9-001e-0054-1639-a4c2a3000000
x-cache
TCP_HIT
x-ms-version
2009-09-19
x-fd-int-roxy-purgeid
66630197
x-cache-info
L1_T2
favicon.ico
assets-usa.mkt.dynamics.com/
548 B
740 B
Other
General
Full URL
https://assets-usa.mkt.dynamics.com/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
d465172175d35d493fb1633e237700022bd849fa123164790b168b8318acb090
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/standaloneforms/87519507-9e13-ef11-9f89-000d3a5d113f
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 17 May 2024 19:18:29 GMT
strict-transport-security
max-age=2592000; preload
x-fd-int-roxy-purgeid
70118866
content-length
548
x-azure-ref
20240517T191829Z-1675f555588f447719xkneu8fc00000005dg000000016v05
x-cache
TCP_MISS
content-type
text/html
visits
public-usa.mkt.dynamics.com/api/v1.0/orgs/0b8e64ad-8a13-ef11-9f85-00224806e514/landingpageforms/forms/87519507-9e13-ef11-9f89-000d3a5d113f/
0
0
Preflight
General
Full URL
https://public-usa.mkt.dynamics.com/api/v1.0/orgs/0b8e64ad-8a13-ef11-9f85-00224806e514/landingpageforms/forms/87519507-9e13-ef11-9f89-000d3a5d113f/visits
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
20.49.124.158 San Jose, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; preload
X-Content-Type-Options nosniff

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://assets-usa.mkt.dynamics.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Response headers

Access-Control-Allow-Headers
content-type
Access-Control-Allow-Methods
GET,POST
Access-Control-Allow-Origin
https://assets-usa.mkt.dynamics.com
Connection
keep-alive
Date
Fri, 17 May 2024 19:18:31 GMT
Server
nginx
Strict-Transport-Security
max-age=2592000; preload
x-content-type-options
nosniff
x-ms-trace-id
d382bcdef517c18004d0bafae2c476d2
5a2fb0c0-9d13-ef11-9f89-000d3a5d113f
assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/images/
25 KB
26 KB
Image
General
Full URL
https://assets-usa.mkt.dynamics.com/0b8e64ad-8a13-ef11-9f85-00224806e514/digitalassets/images/5a2fb0c0-9d13-ef11-9f89-000d3a5d113f?ts=638514721757058999
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2620:1ec:46::45 , United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
a526654f46b8e2daa01a7f7eaec123d2dcaa1dcf6a503345ed95ec6344da0867
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 17 May 2024 19:18:32 GMT
strict-transport-security
max-age=2592000; preload
x-content-type-options
nosniff
x-ms-trace-id
291b97bb90a88e8b563901ccc2983116
x-azure-ref
20240517T191830Z-1675f555588f447719xkneu8fc00000005dg000000016v3b
x-cache
TCP_MISS
content-type
image/jpeg
access-control-allow-origin
*
cache-control
public, max-age=2592000
x-fd-int-roxy-purgeid
70118866
accept-ranges
bytes
content-length
25931
visits
public-usa.mkt.dynamics.com/api/v1.0/orgs/0b8e64ad-8a13-ef11-9f85-00224806e514/landingpageforms/forms/87519507-9e13-ef11-9f89-000d3a5d113f/
43 B
425 B
Fetch
General
Full URL
https://public-usa.mkt.dynamics.com/api/v1.0/orgs/0b8e64ad-8a13-ef11-9f85-00224806e514/landingpageforms/forms/87519507-9e13-ef11-9f89-000d3a5d113f/visits
Requested by
Host: cxppusa1formui01cdnsa01-endpoint.azureedge.net
URL: https://cxppusa1formui01cdnsa01-endpoint.azureedge.net/usa/FormLoader/FormLoader.bundle.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
20.49.124.158 San Jose, United States, ASN8075 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
nginx /
Resource Hash
962553fbe9e7d65bf4c3e7e68834eefeddb471276d13933573a2d68d81c0edbc
Security Headers
Name Value
Strict-Transport-Security max-age=2592000; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Content-Type
application/json
Accept
application/json
Referer
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 17 May 2024 19:18:31 GMT
Strict-Transport-Security
max-age=2592000; preload
x-content-type-options
nosniff
Server
nginx
x-ms-trace-id
4d60b256c081214164dcaca69382b7bf
Transfer-Encoding
chunked
Content-Type
application/json; charset=utf-8
Access-Control-Allow-Origin
https://assets-usa.mkt.dynamics.com
Connection
keep-alive

Verdicts & Comments Add Verdict or Comment

2 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

function| d365mktforms object| d365mkt

0 Cookies

1 Console Messages

Source Level URL
Text
network error URL: https://assets-usa.mkt.dynamics.com/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 ()

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=2592000; preload
X-Content-Type-Options nosniff