URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Submission: On March 20 via api from US — Scanned from US

Summary

This website contacted 3 IPs in 2 countries across 3 domains to perform 12 HTTP transactions. The main IP is 104.17.127.171, located in and belongs to CLOUDFLARENET, US. The main domain is dhl-news.com.
TLS certificate: Issued by GTS CA 1P5 on March 14th 2024. Valid for: 3 months.
This is the only time dhl-news.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 5 104.17.127.171 13335 (CLOUDFLAR...)
7 2a06:98c1:58::7e 13335 (CLOUDFLAR...)
12 3
Apex Domain
Subdomains
Transfer
7 emlfiles4.com
i.emlfiles4.com — Cisco Umbrella Rank: 31714
316 KB
5 dhl-news.com
dhl-news.com
13 KB
0 returnpath.net Failed
pixel.monitor1.returnpath.net Failed
12 3
Domain Requested by
7 i.emlfiles4.com dhl-news.com
5 dhl-news.com 1 redirects dhl-news.com
0 pixel.monitor1.returnpath.net Failed dhl-news.com
12 3

This site contains no links.

Subject Issuer Validity Valid
dhl-news.com
GTS CA 1P5
2024-03-14 -
2024-06-12
3 months crt.sh
i.emlfiles4.com
GTS CA 1P5
2024-03-15 -
2024-06-13
3 months crt.sh

This page contains 2 frames:

Primary Page: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Frame ID: 0A1107D70DCE00B7DDA64633FAC2BFF0
Requests: 10 HTTP requests in this frame

Frame: https://dhl-news.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/956dacbeead0/main.js
Frame ID: ACD8DE4A238CE14AD4BDA97C9DBEEC68
Requests: 2 HTTP requests in this frame

Screenshot

Page Title

DHL Express Day Definite Air Service: Economy Select

Page Statistics

12
Requests

83 %
HTTPS

50 %
IPv6

3
Domains

3
Subdomains

3
IPs

2
Countries

329 kB
Transfer

367 kB
Size

2
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 9
  • https://dhl-news.com/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
  • https://dhl-news.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/956dacbeead0/main.js

12 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
dhl-news.com/cr/
45 KB
8 KB
Document
General
Full URL
https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.17.127.171 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c0218d692e1185dbc88d89421b329829ef3e72e6908cab174ee6306d3ba8e2dd
Security Headers
Name Value
Strict-Transport-Security max-age=15724800; includeSubDomains

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36
accept-language
en-US,en;q=0.9

Response headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
8675130389c0186d-EWR
content-encoding
gzip
content-type
text/html
date
Wed, 20 Mar 2024 10:38:44 GMT
server
cloudflare
strict-transport-security
max-age=15724800; includeSubDomains
vary
Accept-Encoding
s.gif
i.emlfiles4.com/cmpimg/t/
43 B
422 B
Image
General
Full URL
https://i.emlfiles4.com/cmpimg/t/s.gif
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:58::7e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b1442e85b03bdcaf66dc58c7abb98745dd2687d86350be9a298a1d9382ac849b

Request headers

accept-language
en-US,en;q=0.9
Referer
https://dhl-news.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
x-amz-version-id
null
cf-cache-status
HIT
x-amz-request-id
KY08A4FCAKV2Z7XP
age
1136
cf-polished
status=not_needed
alt-svc
h3=":443"; ma=86400
content-length
43
x-amz-id-2
KApnU6+l2ikT8dRUvg3FdgqwvwLlOuSbHTXo4bP6+6FqZZQIbsiDhRTZSmJOvgmGX7JdXcCXQPc=
cf-bgj
imgq:85,h2pri
last-modified
Mon, 27 Oct 2014 09:21:49 GMT
server
cloudflare
etag
"325472601571f31e1bf00674c368d335"
vary
Accept-Encoding
content-type
image/gif
accept-ranges
bytes
cf-ray
867513056cef0f59-EWR
13121787_ig_b5b5b5.png
i.emlfiles4.com/cmpimg/8/7/7/2/1/files/
40 KB
40 KB
Image
General
Full URL
https://i.emlfiles4.com/cmpimg/8/7/7/2/1/files/13121787_ig_b5b5b5.png
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:58::7e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
601cc5821fb38da25c6cc61cbc53bdd87a8177dde9166eb6f3ba6c9ba041ccf1

Request headers

accept-language
en-US,en;q=0.9
Referer
https://dhl-news.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
x-amz-version-id
vbWvFiutHRYi65_KdfkcALHvMxcWv53X
cf-cache-status
MISS
last-modified
Tue, 18 Oct 2022 06:32:25 GMT
server
cloudflare
x-amz-request-id
B6KJ0FY59E06KYVY
etag
"ca7feb9b4b4af7d6754a59d996f4fdf7"
vary
Accept-Encoding
content-type
image/png
accept-ranges
bytes
cf-ray
867513056cee0f59-EWR
alt-svc
h3=":443"; ma=86400
content-length
41224
x-amz-id-2
2wtNmPTPOwnycY4OKzwcj/YOjQ0cvFJzXrb8MpelBYWjD6fTVmKx9jyg0r8fd1hC9eCPL+6gD9o=
4399133_facebook.png
i.emlfiles4.com/cmpimg/5/2/1/1/4/files/
88 B
360 B
Image
General
Full URL
https://i.emlfiles4.com/cmpimg/5/2/1/1/4/files/4399133_facebook.png
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:58::7e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3a5f25b8c903cb7fde08bdb4b55799d7b5fb375de47c7d593590a7592f410422

Request headers

accept-language
en-US,en;q=0.9
Referer
https://dhl-news.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
x-amz-version-id
null
cf-cache-status
REVALIDATED
x-amz-request-id
EWWT2N5EF86NMF4V
cf-polished
origFmt=png, origSize=1076
content-disposition
inline; filename="4399133_facebook.webp"
alt-svc
h3=":443"; ma=86400
content-length
88
x-amz-id-2
jEuX8cTQSDW19u5EBryPdmVJPDf2+J9REojmyyq9u8qZ6oxI9UrnPofNvPZ0nxr9McEm5gZeabY=
cf-bgj
imgq:85,h2pri
last-modified
Tue, 25 Feb 2014 13:44:21 GMT
server
cloudflare
etag
"b75110cba7b2cb22b228e3bc797f9d25"
vary
Accept
content-type
image/webp
accept-ranges
bytes
cf-ray
867513056cea0f59-EWR
13121789_li_b5b5b5.png
i.emlfiles4.com/cmpimg/8/7/7/2/1/files/
20 KB
20 KB
Image
General
Full URL
https://i.emlfiles4.com/cmpimg/8/7/7/2/1/files/13121789_li_b5b5b5.png
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:58::7e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1b1d5555cf5d287428515dcc9c24b8a09bda284e79e8c5ea896e8bdcf7f55a73

Request headers

accept-language
en-US,en;q=0.9
Referer
https://dhl-news.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
x-amz-version-id
v1TvIlYGcQGTeVmAjWScUnT_aNa1T9kM
cf-cache-status
MISS
last-modified
Tue, 18 Oct 2022 06:32:25 GMT
server
cloudflare
x-amz-request-id
B6KS1R7C7RKHXNMW
etag
"27875c247affe96207f8ae2b9dfb0793"
vary
Accept-Encoding
content-type
image/png
accept-ranges
bytes
cf-ray
867513056cec0f59-EWR
alt-svc
h3=":443"; ma=86400
content-length
20136
x-amz-id-2
800NJGF4AOr8lANBZqmC861XIUJtHMVQ+B5alYnH2COPqlH5xbl0y70iu/USS5x/FzXog5O5AtM=
9639454_6645834_header.png
i.emlfiles4.com/cmpimg/0/1/8/8/6/files/
1 KB
2 KB
Image
General
Full URL
https://i.emlfiles4.com/cmpimg/0/1/8/8/6/files/9639454_6645834_header.png
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:58::7e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
449e8eaf41c3d7a23b9afda334c2bf9f9b8385066bb4c8e05094c834fb208154

Request headers

accept-language
en-US,en;q=0.9
Referer
https://dhl-news.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
x-amz-version-id
null
cf-cache-status
REVALIDATED
x-amz-request-id
PC0RZAHAW7C9N96Z
cf-polished
origFmt=png, origSize=3003
content-disposition
inline; filename="9639454_6645834_header.webp"
alt-svc
h3=":443"; ma=86400
content-length
1424
x-amz-id-2
/cHkag2Nt1PW6RJ2ifYIIngEDNDev+upE9nCKUCPvFQqBLmJFzoBmraA/5DpP//fDYrNMA7e0hg=
cf-bgj
imgq:85,h2pri
last-modified
Mon, 12 Mar 2018 09:42:48 GMT
server
cloudflare
etag
"419ae591ef5ce4d94e056265a90b24e0"
vary
Accept
content-type
image/webp
accept-ranges
bytes
cf-ray
867513056ced0f59-EWR
13867278_etsedm.png
i.emlfiles4.com/cmpimg/8/7/7/2/1/files/
253 KB
253 KB
Image
General
Full URL
https://i.emlfiles4.com/cmpimg/8/7/7/2/1/files/13867278_etsedm.png
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:58::7e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6dcf5f31c8b19afc615c55a02d28e219b211ecab591003d8e4a9ddde710c58de

Request headers

accept-language
en-US,en;q=0.9
Referer
https://dhl-news.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
x-amz-version-id
EkuHwApKyPyqGOKQBkgXOsFUWMUo_gjJ
cf-cache-status
MISS
last-modified
Thu, 21 Dec 2023 10:55:22 GMT
server
cloudflare
x-amz-request-id
B6KMPA2NGAKY69X1
etag
"1fc5057cba32d09fe061e72efb86a599"
vary
Accept-Encoding
content-type
image/png
accept-ranges
bytes
cf-ray
867513058d0c0f59-EWR
alt-svc
h3=":443"; ma=86400
content-length
258960
x-amz-id-2
lRQiYvLPwdrRkwJRWadr7PKzMUgCPi+G4A3W0uKLJZ4rhyRtUEjDpjN7aybv/66l6sdgAHGGO2w=
4399136_redarrow.png
i.emlfiles4.com/cmpimg/5/2/1/1/4/files/
76 B
299 B
Image
General
Full URL
https://i.emlfiles4.com/cmpimg/5/2/1/1/4/files/4399136_redarrow.png
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:58::7e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4b6eb7dc4d7dc2cc1ff85d4f1a6343445f5ca66e610d9c5c1af35c84ca67aa61

Request headers

accept-language
en-US,en;q=0.9
Referer
https://dhl-news.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
x-amz-version-id
null
cf-cache-status
REVALIDATED
x-amz-request-id
KQ5JT7VGQ614VVMB
cf-polished
origFmt=png, origSize=2880
content-disposition
inline; filename="4399136_redarrow.webp"
alt-svc
h3=":443"; ma=86400
content-length
76
x-amz-id-2
FqQXuN5GP/eq0EVwV4okGiYzuu/fiGgBXEyAO8DZbej1RFuAUdMZjA+U0Lqc/MVl2Cvm84aamQ8=
cf-bgj
imgq:85,h2pri
last-modified
Tue, 25 Feb 2014 13:44:21 GMT
server
cloudflare
etag
"b7d51ece1c0df09e920b4b2b3e5d7be9"
vary
Accept
content-type
image/webp
accept-ranges
bytes
cf-ray
867513058d100f59-EWR
pixel.gif
pixel.monitor1.returnpath.net/
0
0

o.gif
dhl-news.com/o/AQjqYxCXyusGGImB7sUFIAGH1ygjhIT_LqsFjInvEcFw2T07GehFVxKJ49H_LiYSqw/
43 B
159 B
Image
General
Full URL
https://dhl-news.com/o/AQjqYxCXyusGGImB7sUFIAGH1ygjhIT_LqsFjInvEcFw2T07GehFVxKJ49H_LiYSqw/o.gif
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.17.127.171 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
89fe0ee6020314794fc2cfeacf3d10c31050cfe56f8ebddf1ed0a33fbe941fa7
Security Headers
Name Value
Strict-Transport-Security max-age=15724800; includeSubDomains

Request headers

accept-language
en-US,en;q=0.9
Referer
https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
strict-transport-security
max-age=15724800; includeSubDomains
cf-cache-status
MISS
last-modified
Wed, 20 Mar 2024 10:38:44 GMT
server
cloudflare
vary
Accept-Encoding
content-type
image/gif
cache-control
private, max-age=0
accept-ranges
bytes
cf-ray
867513058ad7186d-EWR
alt-svc
h3=":443"; ma=86400
content-length
43
main.js
dhl-news.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/956dacbeead0/ Frame ACD8
Redirect Chain
  • https://dhl-news.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
  • https://dhl-news.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/956dacbeead0/main.js
8 KB
4 KB
Script
General
Full URL
https://dhl-news.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/956dacbeead0/main.js
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cr/AQjqYxCXyusGGImB7sUFWrWOaRgR7-t2i52u2lce8bUXNPHTuEwjOtpOuambtQQ
Protocol
H3
Server
104.17.127.171 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
aa759588d9cd4a4c914fa1a03711a9d5c983e42c33e7526b2fff22b32c756177
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
en-US,en;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cloudflare
vary
accept-encoding
content-type
application/javascript; charset=UTF-8
cache-control
max-age=14400, public
cf-ray
86751305fe3b5e86-EWR
alt-svc
h3=":443"; ma=86400

Redirect headers

date
Wed, 20 Mar 2024 10:38:44 GMT
server
cloudflare
vary
Accept-Encoding
access-control-allow-origin
*
location
/cdn-cgi/challenge-platform/h/g/scripts/jsd/956dacbeead0/main.js
cache-control
max-age=300, public
cf-ray
86751305ee2d5e86-EWR
alt-svc
h3=":443"; ma=86400
content-length
0
8675130389c0186d
dhl-news.com/cdn-cgi/challenge-platform/h/g/jsd/r/ Frame ACD8
0
332 B
XHR
General
Full URL
https://dhl-news.com/cdn-cgi/challenge-platform/h/g/jsd/r/8675130389c0186d
Requested by
Host: dhl-news.com
URL: https://dhl-news.com/cdn-cgi/challenge-platform/scripts/jsd/main.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.127.171 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36
Content-Type
application/json

Response headers

date
Wed, 20 Mar 2024 10:38:44 GMT
content-encoding
gzip
server
cloudflare
cf-ray
867513070f0f5e86-EWR
alt-svc
h3=":443"; ma=86400
content-type
text/plain; charset=UTF-8

Failed requests

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

Domain
pixel.monitor1.returnpath.net
URL
https://pixel.monitor1.returnpath.net/pixel.gif?r=3133ce0cebc58decf13461106a9914a87a89538b

Verdicts & Comments Add Verdict or Comment

1 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

2 Cookies

Domain/Path Name / Value
.dhl-news.com/ Name: __cf_bm
Value: fnQDRv.wyzjLBllWLHK6k3tNlP9.CkDDEuF0N2S8BLM-1710931124-1.0.1.1-gju3G1pMpVZz.PJ1KhXXoaQY575bqtrae05FkqvPumog0rTL9vo1hgaSeN8MU5ZL3l0w89CPKEyO.KgC3U6bjg
.dhl-news.com/ Name: cf_clearance
Value: WibEUciKXp1CZrjqyx8MroHsh1pZFK_RzKx4BXzw9UY-1710931124-1.0.1.1-lYMDF4C2h_jpJyS1T0.D2XqPm5Qe9Imd2H6oBpdokxxb7S3JxPBhhIMcuvG2hhqzPJlAm2BCLC64QslBnamrpQ

1 Console Messages

Source Level URL
Text
network error URL: https://pixel.monitor1.returnpath.net/pixel.gif?r=3133ce0cebc58decf13461106a9914a87a89538b
Message:
Failed to load resource: net::ERR_NAME_NOT_RESOLVED

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=15724800; includeSubDomains