DNS Gurus
Cached · just now
33 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15552000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
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
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Cookie, Accept-Encoding

Caching Headers

2 headers
Age
Caching
260180
Cache-Control
Caching
public, max-age=0

Content Headers

1 headers
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
playbook.com

Cookies Headers

0 headers
No cookies headers found

Other Headers

19 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9b763502fc908be2-IAD
Date
Other
Fri, 02 Jan 2026 00:40:47 GMT
Ghost-Fastly
Other
true;production
Nel
Other
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Origin-Agent-Cluster
Other
?1
Report-To
Other
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=9M0aTMUfGBlSFV2UQ8%2FCZSUVFKUp5h66gylz%2B1R4o05f5%2BHi2aubGO0knVWcuP0Zq7XzWO2tM0HJBmwW7yDkQVj0FCkyAtg%2BsKdmz2ok7Q%3D%3D"}]}
Server-Timing
Other
cfEdge;dur=45,cfOrigin;dur=0
Status
Other
200 OK
Via
Other
1.1 varnish, 1.1 varnish, 1.1 varnish
X-Cache
Other
MISS, HIT, HIT
X-Cache-Hits
Other
0, 10, 0
X-Dns-Prefetch-Control
Other
off
X-Download-Options
Other
noopen
X-Permitted-Cross-Domain-Policies
Other
none
X-Request-Id
Other
cfbe437e-3556-4365-ada3-5766d27265fe
X-Served-By
Other
cache-ams21066-AMS, cache-ams21077-AMS, cache-iad-kiad7000159-IAD
X-Timer
Other
S1767314448.876134,VS0,VE2

Recommendations

Enable compression (gzip/brotli) to improve performance