devsupport.webex.com.fadtech4.ngapaktunnelling.xyz Open in urlscan Pro
2606:4700:3036::6815:37f5  Public Scan

URL: https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
Submission: On June 24 via api from US — Scanned from DE

Summary

This website contacted 16 IPs in 3 countries across 11 domains to perform 22 HTTP transactions. The main IP is 2606:4700:3036::6815:37f5, located in United States and belongs to CLOUDFLARENET, US. The main domain is devsupport.webex.com.fadtech4.ngapaktunnelling.xyz.
TLS certificate: Issued by E5 on June 24th 2024. Valid for: 3 months.
This is the only time devsupport.webex.com.fadtech4.ngapaktunnelling.xyz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 2606:4700:303... 13335 (CLOUDFLAR...)
4 104.18.30.78 13335 (CLOUDFLAR...)
1 35.190.26.57 15169 (GOOGLE)
1 172.67.174.137 13335 (CLOUDFLAR...)
1 151.101.130.6 54113 (FASTLY)
1 2600:9000:274... 16509 (AMAZON-02)
1 2a02:26f0:710... 20940 (AKAMAI-ASN1)
1 162.159.140.203 13335 (CLOUDFLAR...)
1 2a04:4e42:400... 54113 (FASTLY)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2.18.64.82 20940 (AKAMAI-ASN1)
2 2606:4700::68... 13335 (CLOUDFLAR...)
1 2600:9000:26e... 16509 (AMAZON-02)
2 2a04:4e42::307 54113 (FASTLY)
1 2606:4700::68... 13335 (CLOUDFLAR...)
22 16
Apex Domain
Subdomains
Transfer
5 cloudflare.com
performance.radar.cloudflare.com — Cisco Umbrella Rank: 84838
ipv6-check-perf.radar.cloudflare.com — Cisco Umbrella Rank: 420278
ipv4-check-perf.radar.cloudflare.com — Cisco Umbrella Rank: 433253
5 KB
3 compute-pipe.com
benchmarks.cdn.compute-pipe.com
serverless-benchmarks-rust.compute-pipe.com — Cisco Umbrella Rank: 313343
serverless-benchmarks-js.compute-pipe.com — Cisco Umbrella Rank: 314857
101 KB
3 ngapaktunnelling.xyz
devsupport.webex.com.fadtech4.ngapaktunnelling.xyz
16 KB
2 edgecompute.app
exactly-huge-arachnid.edgecompute.app — Cisco Umbrella Rank: 321739
uniquely-peaceful-hagfish.edgecompute.app — Cisco Umbrella Rank: 326666
526 B
2 jsdelivr.net
fastly.jsdelivr.net — Cisco Umbrella Rank: 43046
testingcf.jsdelivr.net — Cisco Umbrella Rank: 87211
201 KB
2 cedexis-test.com
fastly.cedexis-test.com — Cisco Umbrella Rank: 11084
p29.cedexis-test.com — Cisco Umbrella Rank: 11580
201 KB
1 cloudfront.net
d37vlkgj6jn9t1.cloudfront.net
547 B
1 edgekey.net
essl-cdxs.edgekey.net — Cisco Umbrella Rank: 238922
100 KB
1 ptcfc.com
ptcfc.com — Cisco Umbrella Rank: 10111
100 KB
1 akamaized.net
cedexis-test.akamaized.net — Cisco Umbrella Rank: 182425
100 KB
1 1e100cdn.net
benchmark.1e100cdn.net — Cisco Umbrella Rank: 10583
100 KB
22 11

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

Domain
www.cloudflare.com
support.cloudflare.com
Subject Issuer Validity Valid
ngapaktunnelling.xyz
E5
2024-06-24 -
2024-09-22
3 months crt.sh
radar.cloudflare.com
E1
2024-05-20 -
2024-08-18
3 months crt.sh
1e100cdn.net
GTS CA 1D4
2024-05-13 -
2024-08-11
3 months crt.sh
fastly.cedexis-test.com
GlobalSign Atlas R3 DV TLS CA 2024 Q1
2024-04-03 -
2025-05-05
a year crt.sh
p29.cedexis-test.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2024-01-10 -
2025-01-09
a year crt.sh
a248.e.akamai.net
DigiCert TLS RSA SHA256 2020 CA1
2024-04-18 -
2025-04-19
a year crt.sh
ptcfc.com
WE1
2024-06-11 -
2024-09-09
3 months crt.sh
jsdelivr.net
GlobalSign Atlas R3 DV TLS CA 2023 Q3
2023-09-27 -
2024-10-28
a year crt.sh
benchmarks.cdn.compute-pipe.com
E6
2024-06-19 -
2024-09-17
3 months crt.sh
*.jsdelivr.net
Sectigo RSA Domain Validation Secure Server CA
2024-05-04 -
2025-05-04
a year crt.sh
essl-cdxs.test.edgekey.net
R3
2024-04-25 -
2024-07-24
3 months crt.sh
compute-pipe.com
E1
2024-05-29 -
2024-08-27
3 months crt.sh
*.cloudfront.net
Amazon RSA 2048 M01
2023-10-10 -
2024-09-19
a year crt.sh
*.edgecompute.app
GlobalSign Atlas R3 DV TLS CA 2024 Q1
2024-01-27 -
2025-02-27
a year crt.sh

This page contains 1 frames:

Primary Page: https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
Frame ID: DC70EA95BBCFD26AFDE0B8BF8A281D7F
Requests: 21 HTTP requests in this frame

Screenshot

Page Title

Origin DNS error | ngapaktunnelling.xyz | Cloudflare

Page Statistics

22
Requests

100 %
HTTPS

63 %
IPv6

11
Domains

18
Subdomains

16
IPs

3
Countries

927 kB
Transfer

930 kB
Size

1
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

22 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
6 KB
7 KB
Document
General
Full URL
https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:37f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9497303759ec3d88eebc255f7a678e9b134a19ca4afaee907ee76891ba82628e
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

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/126.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

alt-svc
h3=":443"; ma=86400
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray
898bdd2e4a576901-FRA
content-length
6205
content-type
text/html; charset=UTF-8
date
Mon, 24 Jun 2024 09:59:14 GMT
expires
Thu, 01 Jan 1970 00:00:01 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy
same-origin
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=v5pv5IbR7P6btROARqbYEBDnR%2FyFIX019pin3%2FCu5840K6s5CTHIUiQlB07PZEIIKCcVvKXXkAtuFLMIRFTzW846mS7ojCsRHt35PafihONhXk6JddbvsVUhMokCkcBAUiSq30SbuCUYmR4THXi9TAjOlO2um7h3iw0HEd53m5GfpldEhj4g%2BFd9gFHQG7MR1g%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
main.css
devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/cdn-cgi/styles/
8 KB
2 KB
Stylesheet
General
Full URL
https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/cdn-cgi/styles/main.css
Requested by
Host: devsupport.webex.com.fadtech4.ngapaktunnelling.xyz
URL: https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3036::6815:37f5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d30b4ea6f68456672f5abb35e9dcf7d54226372b66e9d60a7ee26b7a52568e74
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:14 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 19 Jun 2024 08:39:00 GMT
server
cloudflare
etag
W/"66729924-1f4d"
x-frame-options
DENY
vary
Accept-Encoding
content-type
text/css
cache-control
max-age=7200, public
cf-ray
898bdd2ebabf6901-FRA
expires
Mon, 24 Jun 2024 11:59:14 GMT
beacon.js
performance.radar.cloudflare.com/
9 KB
4 KB
Script
General
Full URL
https://performance.radar.cloudflare.com/beacon.js
Requested by
Host: devsupport.webex.com.fadtech4.ngapaktunnelling.xyz
URL: https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.30.78 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ab9325a518fefa2446c655028a9875941ce8646176a16f013acb7cc1958b5ed8
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:15 GMT
strict-transport-security
max-age=15552000; includeSubDomains
referrer-policy
no-referrer
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
*
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
no-store, max-age=0
timing-allow-origin
*
access-control-allow-headers
*
alt-svc
h3=":443"; ma=86400
cf-ray
898bdd2ed95c3a4a-FRA
r20-100KB.png
benchmark.1e100cdn.net/
100 KB
100 KB
Image
General
Full URL
https://benchmark.1e100cdn.net/r20-100KB.png?r=26660985
Requested by
Host: devsupport.webex.com.fadtech4.ngapaktunnelling.xyz
URL: https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
35.190.26.57 Kansas City, United States, ASN15169 (GOOGLE, US),
Reverse DNS
57.26.190.35.bc.googleusercontent.com
Software
/
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 26 May 2024 01:53:52 GMT
via
1.1 google
age
2534723
etag
"5939ad35-19000"
content-type
image/png
cache-control
public,max-age=31536000
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
102400
favicon.ico
devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
6 KB
7 KB
Other
General
Full URL
https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.174.137 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b5fde34f9b203505d1a22c3064dd3339a759f8c61199cbfe407f8aff50f2874e
Security Headers
Name Value
X-Frame-Options SAMEORIGIN

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer
https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:15 GMT
referrer-policy
same-origin
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/html; charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Jiyyf9HVuniyVxmnjNe6oQPPGUZK4K76gQ%2FMyHeBoYRPxO%2BzvT%2BHF0Q%2FRL8Pys433Wlosmxft7rEPTB5yjiv0%2BM2XpvH%2BwfGiAxWqMoo0R63zWUUOvdr071%2BHVEfrzK1bYz0Ddf0cwgvL6wvJU5e6KcXZnexunNajSWwZuJEzNBQNQhZDQ%3D%3D"}],"group":"cf-nel","max_age":604800}
cache-control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-ray
898bdd2fdd4c2c6f-FRA
alt-svc
h3=":443"; ma=86400
content-length
6205
expires
Thu, 01 Jan 1970 00:00:01 GMT
r20-100KB.png
fastly.cedexis-test.com/img/20367/
100 KB
101 KB
Image
General
Full URL
https://fastly.cedexis-test.com/img/20367/r20-100KB.png?r=23242395
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
151.101.130.6 San Francisco, United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
nginx /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Mon, 24 Jun 2024 09:59:15 GMT
Via
1.1 varnish, 1.1 varnish
X-Content-Type-Options
nosniff
Age
1042150
X-Cache
HIT, HIT
Connection
keep-alive
Content-Length
102400
X-Served-By
cache-dfw-kdfw8210038-DFW, cache-fra-etou8220101-FRA
Last-Modified
Wed, 07 Sep 2022 08:47:01 GMT
Server
nginx
X-Timer
S1719223155.259415,VS0,VE0
ETag
"63185a85-19000"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=2629743, public
X-Cedexis-UNI
ETOU|{"pop":"ETOU","sip":"151.101.130.6","rtt":6969,"min_rtt":5750,"ip_ver":"v4","info_state":"HIT","tls":"TLSv1.3","server_name":"cache-fra-etou8220101"}
Accept-Ranges
bytes
Timing-Allow-Origin
*
X-Cache-Hits
615, 7437
r20-100KB.png
p29.cedexis-test.com/img/
100 KB
101 KB
Image
General
Full URL
https://p29.cedexis-test.com/img/r20-100KB.png?r=33616009
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2744:b600:1b:9b5:7e00:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
nginx /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Fri, 21 Jun 2024 04:03:36 GMT
Via
1.1 2d79ad1754df559bcdb8cc1ffa8e62f6.cloudfront.net (CloudFront)
X-Content-Type-Options
nosniff
X-Amz-Cf-Pop
MXP53-P4
Age
280539
X-Cache
Hit from cloudfront
Connection
keep-alive
Alt-Svc
h3=":443"; ma=86400
Content-Length
102400
Last-Modified
Wed, 07 Sep 2022 08:46:26 GMT
Server
nginx
ETag
"63185a62-19000"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=2629743, public
Accept-Ranges
bytes
Timing-Allow-Origin
*
X-Amz-Cf-Id
o8-Bzhwfn-3qi8yI8CWaZXV97tZ5EHhsUN51ZSYQEax5MsDm_bIh9w==
r20-100KB.png
cedexis-test.akamaized.net/img/
100 KB
100 KB
Image
General
Full URL
https://cedexis-test.akamaized.net/img/r20-100KB.png?r=71468197
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:7100::213:c6b2 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
nginx /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Mon, 24 Jun 2024 09:59:15 GMT
Last-Modified
Wed, 07 Sep 2022 08:47:01 GMT
Server
nginx
ETag
"63185a85-19000"
X-Cache
RequestInfo=1781866749,2a02:26f0:7100::213:c6b2,193f05bf,1719223155,46387,6,97e6917
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=2629743
Connection
keep-alive
Accept-Ranges
bytes
Timing-Allow-Origin
*
Content-Length
102400
Expires
Wed, 24 Jul 2024 20:28:18 GMT
r20-100KB.png
ptcfc.com/img/284/
100 KB
100 KB
Image
General
Full URL
https://ptcfc.com/img/284/r20-100KB.png?r=97694232
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
162.159.140.203 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:15 GMT
server
cloudflare
etag
"5668b8ac-19000"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000
timing-allow-origin
*
cf-ray
898bdd32c8e79013-FRA
content-length
102400
r20-100KB.png
fastly.jsdelivr.net/gh/jimaek/testobjects@0.0.1/
100 KB
100 KB
Image
General
Full URL
https://fastly.jsdelivr.net/gh/jimaek/testobjects@0.0.1/r20-100KB.png?r=51847515
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42:400::485 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Mon, 24 Jun 2024 09:59:15 GMT
x-content-type-options
nosniff
age
3454216
x-jsd-version
0.0.1
x-cache
HIT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
102400
x-served-by
cache-fra-etou8220025-FRA
x-jsd-version-type
version
etag
W/"19000-qSJ5YZCh9buzxBDG7FkVAgUN8E4"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
r20-100KB.png
benchmarks.cdn.compute-pipe.com/
100 KB
100 KB
Image
General
Full URL
https://benchmarks.cdn.compute-pipe.com/r20-100KB.png?r=78704402
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1e13 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:16 GMT
cf-cache-status
MISS
alt-svc
h3=":443"; ma=86400
content-length
102400
last-modified
Wed, 19 Jun 2024 11:14:21 GMT
server
cloudflare
etag
"f134fda98a277b1c8f20ab8fbe2fbd58"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=14400
accept-ranges
bytes
timing-allow-origin
*
cf-ray
898bdd344d9637dd-FRA
expires
Mon, 24 Jun 2024 13:59:16 GMT
r20-100KB.png
testingcf.jsdelivr.net/gh/jimaek/testobjects@0.0.1/
100 KB
101 KB
Image
General
Full URL
https://testingcf.jsdelivr.net/gh/jimaek/testobjects@0.0.1/r20-100KB.png?r=37785616
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:bb1f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:16 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age
8879165
x-jsd-version
0.0.1
x-cache
HIT, MISS
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
102400
x-served-by
cache-fra-eddf8230021-FRA, cache-lga21961-LGA
x-jsd-version-type
version
server
cloudflare
etag
W/"19000-qSJ5YZCh9buzxBDG7FkVAgUN8E4"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=OMNkJ%2F3LSWkwk9TBYHFedvAVPilRkq3VaqVb0Uiqo5Txz9uzFiIItqBJi7X36yS1LsbzBVj8GFwTvzSpTBe5fBd4NrwIDuUe7mZgdqtN11N5IrUrwRdb6PwYeg44koO%2BuAyFW0JPc8Pa6QtiX%2FX4gU5kIiY%3D"}],"group":"cf-nel","max_age":604800}
content-type
image/png
access-control-allow-origin
*
access-control-expose-headers
*
cache-control
public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges
bytes
timing-allow-origin
*
cf-ray
898bdd3689b03735-FRA
r20-100KB.png
essl-cdxs.edgekey.net/img/
100 KB
100 KB
Image
General
Full URL
https://essl-cdxs.edgekey.net/img/r20-100KB.png?r=92935995
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
2.18.64.82 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
a2-18-64-82.deploy.static.akamaitechnologies.com
Software
nginx /
Resource Hash
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Mon, 24 Jun 2024 09:59:16 GMT
Last-Modified
Wed, 07 Sep 2022 08:47:01 GMT
Server
nginx
ETag
"63185a85-19000"
X-Cache
RequestInfo=3703351025,2.20.179.146,22557e6e,1719223156,48106,10,bdc3e5c
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=2629743
Connection
keep-alive
Accept-Ranges
bytes
Timing-Allow-Origin
*
Content-Length
102400
Expires
Wed, 24 Jul 2024 20:28:19 GMT
/
serverless-benchmarks-rust.compute-pipe.com/
129 B
368 B
Image
General
Full URL
https://serverless-benchmarks-rust.compute-pipe.com/?test=2820656aa63ed5463d0abe7e0520dcbfeabdb8f499c7b5228388cc64e2036749&img=1&r=59858812
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1f8 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f25cd9ed1af41e7371c277cac3cb7521a8b753e732e83df71e25da3c71045aaa

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:16 GMT
content-encoding
gzip
referrer-policy
no-referrer
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-test-value
87141
cf-ray
898bdd380aa2364d-FRA
/
d37vlkgj6jn9t1.cloudfront.net/
134 B
547 B
Image
General
Full URL
https://d37vlkgj6jn9t1.cloudfront.net/?test=2820656aa63ed5463d0abe7e0520dcbfeabdb8f499c7b5228388cc64e2036749&img=1&r=8124631
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:26e8:da00:16:d863:1940:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
CloudFront /
Resource Hash
7df4aa33d078484697126432b82ef34cda6ea378e44b302d92bf68cca205f81b

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:16 GMT
via
1.1 0c32b42e3b5070fcbe6b5b320d0621b2.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-P10
x-cache
LambdaGeneratedResponse from cloudfront
content-length
134
x-test-value
87142
x-test-version
2
referrer-policy
no-referrer
server
CloudFront
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-amz-cf-id
8isQwoBJU9XW9AkCNJwOp89k1fT2Y_rtKs93aBw0u5zSfBddAuToRg==
/
serverless-benchmarks-js.compute-pipe.com/
134 B
364 B
Image
General
Full URL
https://serverless-benchmarks-js.compute-pipe.com/?test=2820656aa63ed5463d0abe7e0520dcbfeabdb8f499c7b5228388cc64e2036749&img=1&r=93438452
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:1f8 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7df4aa33d078484697126432b82ef34cda6ea378e44b302d92bf68cca205f81b

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:16 GMT
content-encoding
gzip
referrer-policy
no-referrer
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-test-value
87158
cf-ray
898bdd39bb4b1d86-FRA
/
exactly-huge-arachnid.edgecompute.app/
129 B
336 B
Image
General
Full URL
https://exactly-huge-arachnid.edgecompute.app/?test=2820656aa63ed5463d0abe7e0520dcbfeabdb8f499c7b5228388cc64e2036749&img=1&r=45439990
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::307 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
f25cd9ed1af41e7371c277cac3cb7521a8b753e732e83df71e25da3c71045aaa

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:16 GMT
referrer-policy
no-referrer
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-test-value
87148
content-length
129
x-served-by
cache-fra-etou8220080-FRA
/
uniquely-peaceful-hagfish.edgecompute.app/
129 B
190 B
Image
General
Full URL
https://uniquely-peaceful-hagfish.edgecompute.app/?test=2820656aa63ed5463d0abe7e0520dcbfeabdb8f499c7b5228388cc64e2036749&img=1&r=55625309
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a04:4e42::307 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
f25cd9ed1af41e7371c277cac3cb7521a8b753e732e83df71e25da3c71045aaa

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:16 GMT
referrer-policy
no-referrer
access-control-allow-methods
*
content-type
image/svg+xml
access-control-allow-origin
*
cache-control
no-store
timing-allow-origin
*
access-control-allow-headers
*
x-test-value
87142
content-length
129
x-served-by
cache-fra-etou8220131-FRA
info
ipv6-check-perf.radar.cloudflare.com/api/
179 B
579 B
Fetch
General
Full URL
https://ipv6-check-perf.radar.cloudflare.com/api/info?r=56264680
Requested by
Host: performance.radar.cloudflare.com
URL: https://performance.radar.cloudflare.com/beacon.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700::6812:1f4e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
09b69fc0b13b35156e1acf60eeb25a00eedeca122ade753965aeba923f7faa5b
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:17 GMT
strict-transport-security
max-age=15552000; includeSubDomains
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
*
content-type
application/json;charset=UTF-8
access-control-allow-origin
*
timing-allow-origin
*
access-control-allow-headers
*
alt-svc
h3=":443"; ma=86400
cf-ray
898bdd3bc9fd9296-FRA
info
ipv4-check-perf.radar.cloudflare.com/api/
184 B
592 B
Fetch
General
Full URL
https://ipv4-check-perf.radar.cloudflare.com/api/info?r=97403716
Requested by
Host: performance.radar.cloudflare.com
URL: https://performance.radar.cloudflare.com/beacon.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.30.78 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7f43dbce80d1f806b471da212b49a66fc52fb52aeaf4a45a590c2d6dc5e3f332
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:17 GMT
strict-transport-security
max-age=15552000; includeSubDomains
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
*
content-type
application/json;charset=UTF-8
access-control-allow-origin
*
timing-allow-origin
*
access-control-allow-headers
*
alt-svc
h3=":443"; ma=86400
cf-ray
898bdd3c9d9ebba9-FRA
beacon
performance.radar.cloudflare.com/api/
15 B
387 B
Fetch
General
Full URL
https://performance.radar.cloudflare.com/api/beacon
Requested by
Host: performance.radar.cloudflare.com
URL: https://performance.radar.cloudflare.com/beacon.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.30.78 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a29ee2b15c494311c52521766e44af56a3ad2248e7a8ab465e5206463c13d288
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

sec-ch-ua
"Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
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/126.0.0.0 Safari/537.36
Content-Type
application/json;charset=UTF-8
Access-Control-Allow-Origin
*
Referer
X-Submit-Token
1719223155-f451a1b93907b92e90130a953e4cc99524c5eb35a989aa41597bfec59984a248
sec-ch-ua-platform
"Win32"

Response headers

date
Mon, 24 Jun 2024 09:59:18 GMT
strict-transport-security
max-age=15552000; includeSubDomains
x-content-type-options
nosniff
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
*
content-type
application/json;charset=UTF-8
access-control-allow-origin
*
timing-allow-origin
*
access-control-allow-headers
*
content-length
15
cf-ray
898bdd3defe11e5e-FRA
alt-svc
h3=":443"; ma=86400
beacon
performance.radar.cloudflare.com/api/
0
0
Preflight
General
Full URL
https://performance.radar.cloudflare.com/api/beacon
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.30.78 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains
X-Content-Type-Options nosniff

Request headers

Accept
*/*
Access-Control-Request-Headers
access-control-allow-origin,content-type,x-submit-token
Access-Control-Request-Method
POST
Origin
https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Response headers

access-control-allow-headers
*
access-control-allow-methods
*
access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
cf-ray
898bdd3d8f671e5e-FRA
content-length
15
content-type
application/json;charset=UTF-8
date
Mon, 24 Jun 2024 09:59:17 GMT
server
cloudflare
strict-transport-security
max-age=15552000; includeSubDomains
timing-allow-origin
*
vary
Accept-Encoding
x-content-type-options
nosniff

Verdicts & Comments Add Verdict or Comment

4 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.

undefined| event object| fence object| sharedStorage object| _cf_translation

1 Cookies

Domain/Path Name / Value
.radar.cloudflare.com/ Name: __cf_bm
Value: of9he4DGFIY89ZY7ckJePsGfintesCFuohU6K.Rd5a4-1719223155-1.0.1.1-9S3Vdo9ngme9Av2T8JqrbprbCBVLhJDCHnhcz2pUAr2E7qd3II7rErqxXrytXf8A_NeFUj9TqGYP_mFQkzz4tw

2 Console Messages

Source Level URL
Text
network error URL: https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/
Message:
Failed to load resource: the server responded with a status of 530 ()
network error URL: https://devsupport.webex.com.fadtech4.ngapaktunnelling.xyz/favicon.ico
Message:
Failed to load resource: the server responded with a status of 530 ()

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
X-Frame-Options SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

benchmark.1e100cdn.net
benchmarks.cdn.compute-pipe.com
cedexis-test.akamaized.net
d37vlkgj6jn9t1.cloudfront.net
devsupport.webex.com.fadtech4.ngapaktunnelling.xyz
essl-cdxs.edgekey.net
exactly-huge-arachnid.edgecompute.app
fastly.cedexis-test.com
fastly.jsdelivr.net
ipv4-check-perf.radar.cloudflare.com
ipv6-check-perf.radar.cloudflare.com
p29.cedexis-test.com
performance.radar.cloudflare.com
ptcfc.com
serverless-benchmarks-js.compute-pipe.com
serverless-benchmarks-rust.compute-pipe.com
testingcf.jsdelivr.net
uniquely-peaceful-hagfish.edgecompute.app
104.18.30.78
151.101.130.6
162.159.140.203
172.67.174.137
2.18.64.82
2600:9000:26e8:da00:16:d863:1940:21
2600:9000:2744:b600:1b:9b5:7e00:93a1
2606:4700:3036::6815:37f5
2606:4700::6812:1e13
2606:4700::6812:1f4e
2606:4700::6812:1f8
2606:4700::6812:bb1f
2a02:26f0:7100::213:c6b2
2a04:4e42:400::485
2a04:4e42::307
35.190.26.57
09b69fc0b13b35156e1acf60eeb25a00eedeca122ade753965aeba923f7faa5b
27bce9e85eaf3567a4695ba2b612e32615394d80d0a3a2dcb07b1fbfdfababc7
7df4aa33d078484697126432b82ef34cda6ea378e44b302d92bf68cca205f81b
7f43dbce80d1f806b471da212b49a66fc52fb52aeaf4a45a590c2d6dc5e3f332
9497303759ec3d88eebc255f7a678e9b134a19ca4afaee907ee76891ba82628e
a29ee2b15c494311c52521766e44af56a3ad2248e7a8ab465e5206463c13d288
ab9325a518fefa2446c655028a9875941ce8646176a16f013acb7cc1958b5ed8
b5fde34f9b203505d1a22c3064dd3339a759f8c61199cbfe407f8aff50f2874e
d30b4ea6f68456672f5abb35e9dcf7d54226372b66e9d60a7ee26b7a52568e74
f25cd9ed1af41e7371c277cac3cb7521a8b753e732e83df71e25da3c71045aaa