URL: https://rentry.co/rr6ghgx2
Submission: On May 23 via manual from US — Scanned from IL

Summary

This website contacted 5 IPs in 1 countries across 5 domains to perform 10 HTTP transactions. The main IP is 172.67.75.40, located in United States and belongs to CLOUDFLARENET, US. The main domain is rentry.co. The Cisco Umbrella rank of the primary domain is 264643.
TLS certificate: Issued by GTS CA 1P5 on April 20th 2024. Valid for: 3 months.
This is the only time rentry.co was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 7 172.67.75.40 13335 (CLOUDFLAR...)
1 172.217.16.200 15169 (GOOGLE)
1 172.217.18.22 15169 (GOOGLE)
1 216.58.206.78 15169 (GOOGLE)
10 5
Apex Domain
Subdomains
Transfer
7 rentry.co
rentry.co — Cisco Umbrella Rank: 264643
90 KB
1 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 32
250 B
1 ytimg.com
i.ytimg.com — Cisco Umbrella Rank: 87
64 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 39
92 KB
0 buysellads.net Failed
cdn4.buysellads.net Failed
10 5
Domain Requested by
7 rentry.co 1 redirects rentry.co
1 www.google-analytics.com www.googletagmanager.com
1 i.ytimg.com rentry.co
1 www.googletagmanager.com rentry.co
0 cdn4.buysellads.net Failed rentry.co
10 5

This site contains links to these domains. Also see Links.

Domain
www.costa-mesa.emergency-plumbing.site
Subject Issuer Validity Valid
rentry.co
GTS CA 1P5
2024-04-20 -
2024-07-19
3 months crt.sh
*.google-analytics.com
WR2
2024-05-06 -
2024-07-29
3 months crt.sh
edgestatic.com
WR2
2024-05-06 -
2024-07-29
3 months crt.sh

This page contains 2 frames:

Primary Page: https://rentry.co/rr6ghgx2
Frame ID: 8B7A431E75A2B972A298155E962CBE20
Requests: 9 HTTP requests in this frame

Frame: https://rentry.co/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js
Frame ID: ED933F226AC7B5C454F16706DF537DB1
Requests: 2 HTTP requests in this frame

Screenshot

Page Title

Searing Warm Tips for the Perfect Hot Water Heater Installation

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

10
Requests

80 %
HTTPS

0 %
IPv6

5
Domains

5
Subdomains

5
IPs

1
Countries

245 kB
Transfer

681 kB
Size

3
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 7
  • https://rentry.co/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://rentry.co/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js

10 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request rr6ghgx2
rentry.co/
16 KB
6 KB
Document
General
Full URL
https://rentry.co/rr6ghgx2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.75.40 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
359109624b6de417a2ecf1f62290a82f21fa5bbc8e2eba65a5deee0665a79d21
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Accept-Language
he-IL,he;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/89.0.4389.72 Safari/537.36

Response headers

cache-control
Vary
cf-cache-status
DYNAMIC
cf-ray
8881f5a1da0ee3d7-TLV
content-encoding
br
content-type
text/html; charset=utf-8
date
Thu, 23 May 2024 03:29:04 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=CSaSoK5z%2F3oAlL1%2BGCSjkYnp2zmzSBuThFaMRK99Sg6ffMhpIY1ewUsY63gxJ8hYwk90pgNW3apLj6%2BJTME3LHAwguxJO9ETchvV2%2F5VNHPZd3Smjcn09RBPIQ%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=31536000; includeSubDomains
vary
Origin, Cookie
x-content-type-options
nosniff
x-xss-protection
1; mode=block
bootstrap.min.css
rentry.co/static/css/
183 KB
31 KB
Stylesheet
General
Full URL
https://rentry.co/static/css/bootstrap.min.css?v=85
Requested by
Host: rentry.co
URL: https://rentry.co/rr6ghgx2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.75.40 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
27b86cf042b9b4e90b8618499e4ebcaefb04d56d9a2cb18bf5b6a824e594f224
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Referer
https://rentry.co/rr6ghgx2
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Thu, 23 May 2024 03:29:04 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
1316221
content-encoding
br
last-modified
Mon, 25 Mar 2024 11:12:21 GMT
server
cloudflare
etag
W/"66015c15-2dab4"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=mrliB%2BrGlTjbQXhr8DXAmUCRtJmnk8KtR4Mye7dEFrw73WN3tgER3vM4uWPlRY4L6F2EeXDrWP42ooF14%2BzWT%2FGCxf906cULN2KNQ9CiSXZJ9Si5GSud8eaTBA%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/css
cache-control
max-age=315360000, vary
cf-ray
8881f5a32c85e3d7-TLV
expires
Thu, 31 Dec 2037 23:55:55 GMT
js
www.googletagmanager.com/gtag/
265 KB
92 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-LLFSDKZXET
Requested by
Host: rentry.co
URL: https://rentry.co/rr6ghgx2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.217.16.200 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra16s08-in-f8.1e100.net
Software
Google Tag Manager /
Resource Hash
f3afc8d4a51a96f4e8ebc8e58756d43bc78d8240e25872b0b9c66ae7c4b05a64
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Referer
https://rentry.co/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Thu, 23 May 2024 03:29:08 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
93834
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Thu, 23 May 2024 03:29:08 GMT
maxresdefault.jpg
i.ytimg.com/vi/Ki9lcdIA4gg/
63 KB
64 KB
Image
General
Full URL
https://i.ytimg.com/vi/Ki9lcdIA4gg/maxresdefault.jpg
Requested by
Host: rentry.co
URL: https://rentry.co/rr6ghgx2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.217.18.22 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra15s28-in-f22.1e100.net
Software
sffe /
Resource Hash
1ddb57bbbafd81517691336faf9fe9084a7303188c901b62c235539e12dd482b
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Thu, 23 May 2024 03:29:05 GMT
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
64787
x-xss-protection
0
server
sffe
etag
"1683138701"
vary
Origin
report-to
{"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
content-type
image/jpeg
cache-control
public, max-age=7200
accept-ranges
bytes
timing-allow-origin
*
cross-origin-opener-policy-report-only
same-origin; report-to="youtube"
expires
Thu, 23 May 2024 05:29:05 GMT
jquery.min.js
rentry.co/static/js/
90 KB
32 KB
Script
General
Full URL
https://rentry.co/static/js/jquery.min.js?v=21
Requested by
Host: rentry.co
URL: https://rentry.co/rr6ghgx2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.75.40 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4c1add9ba5d6cde3a03149a022b61163b35c4d5c738cf32470e7e7bd611e4ac6
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Referer
https://rentry.co/rr6ghgx2
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Thu, 23 May 2024 03:29:04 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
1229900
content-encoding
br
last-modified
Mon, 25 Mar 2024 11:12:21 GMT
server
cloudflare
etag
W/"66015c15-166ee"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=GGeRvBkpoGS7ADplvB1bqaXvtx96CTuZohuEDvKZr2svm4kE7NYjabq3H4AbUF%2BGuBwMyiQQ0YCupl%2FeZVQ6Mt3UCd9R7A2HnPAhrr5sXJdbA%2F4hMpey1URklA%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript
cache-control
max-age=315360000, vary
cf-ray
8881f5a34cb0e3d7-TLV
expires
Thu, 31 Dec 2037 23:55:55 GMT
bootstrap.min.js
rentry.co/static/js/
57 KB
16 KB
Script
General
Full URL
https://rentry.co/static/js/bootstrap.min.js?v=21
Requested by
Host: rentry.co
URL: https://rentry.co/rr6ghgx2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.75.40 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0a34a87842c539c1f4feec56bba982fd596b73500046a6e6fe38a22260c6577b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Referer
https://rentry.co/rr6ghgx2
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Thu, 23 May 2024 03:29:04 GMT
strict-transport-security
max-age=31536000; includeSubDomains
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
1229899
content-encoding
br
last-modified
Mon, 25 Mar 2024 11:12:19 GMT
server
cloudflare
etag
W/"66015c13-e2d8"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=zHOQKEsiOE3OoM315Z%2Bc1XHjzibgaDEK%2BXIZwmGpBDSCa5fcTjCUXONuRlKFSOgCBIOq5E8AnOoy%2FxFItbOSkIEl3rJhZ3mCXpXqRR5sWYLDkU9zOlq5GNgyPw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript
cache-control
max-age=315360000, vary
cf-ray
8881f5a41de5e3d7-TLV
expires
Thu, 31 Dec 2037 23:55:55 GMT
rentryco.js
cdn4.buysellads.net/pub/
0
0

truncated
/
791 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
78daf8a337041a3e8240c58112d63d7e83facca3051114f405c0c0b548f53f4a

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Content-Type
image/svg+xml;charset=UTF-8
main.js
rentry.co/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/ Frame ED93
Redirect Chain
  • https://rentry.co/cdn-cgi/challenge-platform/scripts/jsd/main.js
  • https://rentry.co/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js
8 KB
4 KB
Script
General
Full URL
https://rentry.co/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js
Requested by
Host: rentry.co
URL: https://rentry.co/rr6ghgx2
Protocol
H2
Server
172.67.75.40 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2dec71c735ff3b8d734931a28ed4a8398c03513ded4d9ab0bb5d3e1c2685ea1a
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Thu, 23 May 2024 03:29:04 GMT
content-encoding
br
x-content-type-options
nosniff
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ikY3Pj1x7Dn%2BfPRf1liBJ%2Bu2utWxp9t35fRpmbDgNcLcN1ABBr4UUI6U03O%2BDE2htBaYbe6%2BXM%2FwwiPlmuNk275kU0kl20jmvrmlAmgt9vMNAX%2BCTEuqsWLpGw%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=UTF-8
cache-control
max-age=14400, public
cf-ray
8881f5a52ff8e3d7-TLV

Redirect headers

date
Thu, 23 May 2024 03:29:04 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=HLg6l9fseWJm54WYIwfX5avsnSyx8ey1lMrA8TpZ8BbGL1O5IO7rS7hsnSbq52Rtmr1l3JCQrMKmiBxnRoxgTErmAK3EoNkvFXjPAZ0f0kRhBEtmMQuiKHapEQ%3D%3D"}],"group":"cf-nel","max_age":604800}
access-control-allow-origin
*
location
/cdn-cgi/challenge-platform/h/b/scripts/jsd/695da7821231/main.js
cache-control
max-age=300, public
cf-ray
8881f5a4bef1e3d7-TLV
content-length
0
8881f5a1da0ee3d7
rentry.co/cdn-cgi/challenge-platform/h/b/jsd/r/ Frame ED93
0
499 B
XHR
General
Full URL
https://rentry.co/cdn-cgi/challenge-platform/h/b/jsd/r/8881f5a1da0ee3d7
Requested by
Host: rentry.co
URL: https://rentry.co/cdn-cgi/challenge-platform/scripts/jsd/main.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.75.40 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
Accept-Language
he-IL,he;q=0.9;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
Content-Type
application/json

Response headers

date
Thu, 23 May 2024 03:29:05 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
cf-ray
8881f5a6da93e3d7-TLV
content-length
0
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=K%2BYAaX0atLuVBdltE8O6IClrV%2B3tydPz%2B%2FIjpzKqp%2BPFpwQs9HhG61TMSSoCa0osXQJuuuYlSBOPVY2%2BZTiwlSzANWRnvxZ4jOklbAHFhzWRZkPaU8hOrWA0HQ%3D%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/plain; charset=UTF-8
collect
www.google-analytics.com/g/
0
250 B
Ping
General
Full URL
https://www.google-analytics.com/g/collect?v=2&tid=G-LLFSDKZXET&gtm=45je45k0v9167303359za200&_p=1716434944621&gcd=13l3l3l3l1&npa=0&dma=0&cid=358294979.1716434948&ul=he-il&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&are=1&frm=0&pscdl=noapi&_s=1&sid=1716434948&sct=1&seg=0&dl=https%3A%2F%2Frentry.co%2Frr6ghgx2&dt=Searing%20Warm%20Tips%20for%20the%20Perfect%20Hot%20Water%20Heater%20Installation&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=4116
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-LLFSDKZXET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
216.58.206.78 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
lhr35s11-in-f14.1e100.net
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Accept-Language
he-IL,he;q=0.9;q=0.9
Referer
https://rentry.co/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 23 May 2024 03:29:09 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://rentry.co
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
cdn4.buysellads.net
URL
https://cdn4.buysellads.net/pub/rentryco.js?1716434400000

Verdicts & Comments Add Verdict or Comment

9 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.

object| 0 function| gtag object| dataLayer function| $ function| jQuery object| bootstrap object| google_tag_manager object| google_tag_data object| gaGlobal

3 Cookies

Domain/Path Name / Value
.rentry.co/ Name: cf_clearance
Value: 3JAhKAAiLg0fP2iJqzpBEdIL8vCqKrs91.oNx_LzaiU-1716434945-1.0.1.1-MuFP3zAaCwF0x.7W3hKHs0D8HtRjI8WA82fdC6usJM_Bc5g2WtKTf5_TZGXFPL07FNId2M69wh5vPoj_bk7gTg
.rentry.co/ Name: _ga_LLFSDKZXET
Value: GS1.1.1716434948.1.0.1716434948.0.0.0
.rentry.co/ Name: _ga
Value: GA1.1.358294979.1716434948

1 Console Messages

Source Level URL
Text
deprecation warning URL: https://rentry.co/static/js/jquery.min.js?v=21(Line 1)
Message:
Listener added for a 'DOMNodeInserted' mutation event. This event type is deprecated, and will be removed from this browser very soon. Usage of this event listener will cause performance issues today, and represents a large risk of future site breakage. Consider using MutationObserver instead. See https://chromestatus.com/feature/5083947249172480 for more information.

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=31536000; includeSubDomains
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block