URL: https://d.77498.mobi/
Submission: On December 24 via api from US — Scanned from SG

Summary

This website contacted 5 IPs in 3 countries across 5 domains to perform 15 HTTP transactions. The main IP is 15.197.79.213, located in United States and belongs to AMAZON-02, US. The main domain is d.77498.mobi.
TLS certificate: Issued by R11 on December 24th 2024. Valid for: 3 months.
This is the only time d.77498.mobi was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
8 15.197.79.213 16509 (AMAZON-02)
2 23.251.120.84 21859 (ZEN-ECN)
2 183.240.98.228 56040 (CMNET-GUA...)
2 170.33.12.233 134963 (ASEPL-AS-...)
15 5
Apex Domain
Subdomains
Transfer
8 77498.mobi
d.77498.mobi
3 MB
2 bjxjwtfz.com
nxguz7v2dyce3rzn.bjxjwtfz.com
1 KB
2 baidu.com
hm.baidu.com — Cisco Umbrella Rank: 12020
350 B
2 51.la
sdk.51.la — Cisco Umbrella Rank: 73455
collect-v6.51.la — Cisco Umbrella Rank: 78995
36 KB
0 vethcraft.com Failed
45h7iv8s2b.privally.vethcraft.com Failed
15 5
Domain Requested by
8 d.77498.mobi d.77498.mobi
2 nxguz7v2dyce3rzn.bjxjwtfz.com d.77498.mobi
2 hm.baidu.com d.77498.mobi
1 collect-v6.51.la sdk.51.la
1 sdk.51.la d.77498.mobi
0 45h7iv8s2b.privally.vethcraft.com Failed d.77498.mobi
15 6

This site contains no links.

Subject Issuer Validity Valid
a.77498.mobi
R11
2024-12-24 -
2025-03-24
3 months crt.sh
*.51.la
GlobalSign RSA OV SSL CA 2018
2024-03-19 -
2025-04-20
a year crt.sh
baidu.com
GlobalSign RSA OV SSL CA 2018
2024-07-08 -
2025-08-09
a year crt.sh
*.bjxjwtfz.com
E5
2024-12-13 -
2025-03-13
3 months crt.sh

This page contains 1 frames:

Frame: https://45h7iv8s2b.privally.vethcraft.com/6c541a503e55f595
Frame ID: 02E3451CEE13119852069236689C5FF3
Requests: 15 HTTP requests in this frame

Screenshot

Page Title

繁花APP

Detected technologies

Overall confidence: 100%
Detected patterns
  • hm\.baidu\.com/hm\.js

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

Page Statistics

15
Requests

93 %
HTTPS

0 %
IPv6

5
Domains

6
Subdomains

5
IPs

3
Countries

2902 kB
Transfer

2981 kB
Size

4
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 13
  • https://nxguz7v2dyce3rzn.bjxjwtfz.com:6443/page/abykgb1f/install/c/eyJjIjoiZDc3NDk4bW9iaSIsIm0iOiJnZmMyd25CaXBUVUFBQUdULW1fMG5FVE9XMW1zdHJxZWRmZHpBbU96VmJsSEVLTmpiQlhyQmhlVm9tSDdOeGg5elVKVEF2cDY2Qi1OOTB1NDFPd18tZVB2VURoWXJ5YnZOSGVra05LVVViQ0pDZUwzRHlQdnNKNTYwb0p6Z3FaWHNNcmwifQ==?p=0 HTTP 302
  • https://45h7iv8s2b.privally.vethcraft.com/6c541a503e55f595

15 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
d.77498.mobi/
3 KB
2 KB
Document
General
Full URL
https://d.77498.mobi/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
15.197.79.213 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a1537534b4eb5260b.awsglobalaccelerator.com
Software
openresty /
Resource Hash
0ae230c64ce0a9144d1ae10f3918ab17c92bbb02860d07c8ca01b078ea9afbc1

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Response headers

Content-Encoding
gzip
Content-Length
1453
Content-Type
text/html
Date
Tue, 24 Dec 2024 20:51:00 GMT
Etag
W/"676aa002-c55"
Last-Modified
Tue, 24 Dec 2024 11:50:26 GMT
Server
openresty
Vary
Accept-Encoding
X-Cache
BYPASS
index.css
d.77498.mobi/assets/css/
2 KB
1 KB
Stylesheet
General
Full URL
https://d.77498.mobi/assets/css/index.css
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
15.197.79.213 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a1537534b4eb5260b.awsglobalaccelerator.com
Software
openresty /
Resource Hash
c8df4f8e5733a14afad0711a563ac7a3669a48e6aae284a56d3167b728746d48

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

Cache-Control
max-age=2592000
Content-Encoding
gzip
ETag
"1735066445"
Expires
Thu, 23 Jan 2025 18:54:05 GMT
X-Cache
HIT, policy, memory
Content-Length
760
Date
Tue, 24 Dec 2024 18:54:05 GMT
Content-Type
text/css
Last-Modified
Tue, 24 Dec 2024 18:54:05 GMT
Server
openresty
Vary
Accept-Encoding
1.gif
d.77498.mobi/assets/tp/
3 MB
3 MB
Image
General
Full URL
https://d.77498.mobi/assets/tp/1.gif
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
15.197.79.213 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a1537534b4eb5260b.awsglobalaccelerator.com
Software
openresty /
Resource Hash
ee9eee1e7bc38d4e46a54039fe3f14add569fe39dd3e98724635ca34353f8490

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

Cache-Control
max-age=2592000
Etag
"675bb42c-2a4214"
Expires
Thu, 23 Jan 2025 20:51:00 GMT
Accept-Ranges
bytes
X-Cache
UPDATING
Content-Length
2769428
Date
Tue, 24 Dec 2024 20:51:00 GMT
Content-Type
image/gif
Last-Modified
Fri, 13 Dec 2024 04:12:28 GMT
Server
openresty
2.gif
d.77498.mobi/assets/tp/
60 KB
60 KB
Image
General
Full URL
https://d.77498.mobi/assets/tp/2.gif
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
15.197.79.213 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a1537534b4eb5260b.awsglobalaccelerator.com
Software
openresty /
Resource Hash
efa4dd11d000335661c1e4dee9ae8051c919c786e78c666123ac4a4fd8b1a9c8

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

Cache-Control
max-age=2592000
ETag
"1735066445"
Expires
Thu, 23 Jan 2025 18:54:05 GMT
Accept-Ranges
bytes
X-Cache
HIT, policy, memory
Content-Length
61543
Date
Tue, 24 Dec 2024 18:54:05 GMT
Content-Type
image/gif
Last-Modified
Tue, 24 Dec 2024 18:54:05 GMT
Server
openresty
kf.png
d.77498.mobi/assets/tp/
41 KB
41 KB
Image
General
Full URL
https://d.77498.mobi/assets/tp/kf.png
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
15.197.79.213 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a1537534b4eb5260b.awsglobalaccelerator.com
Software
openresty /
Resource Hash
bf163174cc4151986a98d785e4431df20dccfe01c7e646c6c4f068c45ac1a205

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

Cache-Control
max-age=2592000
ETag
"1735066445"
Expires
Thu, 23 Jan 2025 18:54:05 GMT
Accept-Ranges
bytes
X-Cache
HIT, policy, memory
Content-Length
42061
Date
Tue, 24 Dec 2024 18:54:05 GMT
Content-Type
image/png
Last-Modified
Tue, 24 Dec 2024 18:54:05 GMT
Server
openresty
jquery-3.5.1.min.js
d.77498.mobi/assets/js/
87 KB
34 KB
Script
General
Full URL
https://d.77498.mobi/assets/js/jquery-3.5.1.min.js
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
15.197.79.213 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a1537534b4eb5260b.awsglobalaccelerator.com
Software
openresty /
Resource Hash
f7f6a5894f1d19ddad6fa392b2ece2c5e578cbf7da4ea805b6885eb6985b6e3d

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

Transfer-Encoding
chunked
Cache-Control
max-age=2592000
Content-Encoding
gzip
ETag
"1735066445"
Expires
Thu, 23 Jan 2025 18:54:05 GMT
X-Cache
HIT, policy, memory
Date
Tue, 24 Dec 2024 18:54:05 GMT
Content-Type
application/javascript
Last-Modified
Tue, 24 Dec 2024 18:54:05 GMT
Server
openresty
Vary
Accept-Encoding
appinstall.js
d.77498.mobi/assets/js/
46 KB
20 KB
Script
General
Full URL
https://d.77498.mobi/assets/js/appinstall.js
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
15.197.79.213 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a1537534b4eb5260b.awsglobalaccelerator.com
Software
openresty /
Resource Hash
7c9895f2e57140b2a429c2b5df1eb51b2c0bf49f56365e198fb20a92fe79c1dd

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

Transfer-Encoding
chunked
Cache-Control
max-age=2592000
Content-Encoding
gzip
Etag
W/"65ad0e2e-b9e1"
Expires
Thu, 23 Jan 2025 20:51:00 GMT
X-Cache
UPDATING
Date
Tue, 24 Dec 2024 20:51:00 GMT
Content-Type
application/javascript
Last-Modified
Sun, 21 Jan 2024 12:29:34 GMT
Server
openresty
Vary
Accept-Encoding
js-sdk-pro.min.js
sdk.51.la/
35 KB
35 KB
Script
General
Full URL
https://sdk.51.la/js-sdk-pro.min.js
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
23.251.120.84 Singapore, Singapore, ASN21859 (ZEN-ECN, US),
Reverse DNS
Software
openresty /
Resource Hash
ab600bcb623360b5a87e5657495bb968325f0a47c3772fe3c1cc052ebd35f153

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

cache-control
no-store
access-control-allow-credentials
true
via
EA-SGP-EDGE3-CACHE6[76],EA-SGP-EDGE3-CACHE6[ovl,68],EA-HKG-EDGE6-CACHE2[ovl,34],EA-HKG-GLOBAL1-CACHE23[ovl,33]
access-control-allow-origin
*
x-ccdn-req-id-46b1
be060afd584f6fbee183f744788a7332
date
Tue, 24 Dec 2024 20:51:01 GMT
content-type
text/plain; charset=utf-8
server
openresty
hm.js
hm.baidu.com/
0
175 B
Script
General
Full URL
https://hm.baidu.com/hm.js?e2974cd77706c201cf64193a0d1b33bf
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
183.240.98.228 , China, ASN56040 (CMNET-GUANGDONG-AP China Mobile communications corporation, CN),
Reverse DNS
Software
apache /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=172800

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

Strict-Transport-Security
max-age=172800
Content-Length
0
Date
Tue, 24 Dec 2024 20:51:01 GMT
Content-Type
text/plain; charset=utf-8
Server
apache
hm.js
hm.baidu.com/
0
175 B
Script
General
Full URL
https://hm.baidu.com/hm.js?05764dcfbc1a27d717d2cf7746dedca8
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
183.240.98.228 , China, ASN56040 (CMNET-GUANGDONG-AP China Mobile communications corporation, CN),
Reverse DNS
Software
apache /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=172800

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

Strict-Transport-Security
max-age=172800
Content-Length
0
Date
Tue, 24 Dec 2024 20:51:01 GMT
Content-Type
text/plain; charset=utf-8
Server
apache
init
nxguz7v2dyce3rzn.bjxjwtfz.com/web/abykgb1f/d77498m/
796 B
1 KB
XHR
General
Full URL
https://nxguz7v2dyce3rzn.bjxjwtfz.com:6443/web/abykgb1f/d77498m/init?channelCode=d77498mobi&av=0&cv=0&hash=&server=https%3A%2F%2Fnxguz7v2dyce3rzn.bjxjwtfz.com%3A6443&sw=p6Cmpg&sh=p6Smpg&sp=1&li=p6GkuKehuKa4oQ
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/assets/js/appinstall.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
170.33.12.233 , Singapore, ASN134963 (ASEPL-AS-AP Alibaba Cloud Singapore Private Limited, SG),
Reverse DNS
Software
NgxFence /
Resource Hash
dc31155c4d119d157268423d1d5b006437a48057aed332f96f53f96c8465af70
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Content-Type
text/plain;charset=UTF-8
Referer
https://d.77498.mobi/

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
content-encoding
br
access-control-allow-credentials
true
access-control-allow-origin
https://d.77498.mobi
date
Tue, 24 Dec 2024 20:51:01 GMT
content-type
application/json;charset=utf-8
vary
Origin, Origin
server
NgxFence
collect
collect-v6.51.la/v6/
0
314 B
XHR
General
Full URL
https://collect-v6.51.la/v6/collect?dt=4
Requested by
Host: sdk.51.la
URL: https://sdk.51.la/js-sdk-pro.min.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
23.251.120.84 Singapore, Singapore, ASN21859 (ZEN-ECN, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

via
EA-SGP-EDGE3-CACHE6[108],EA-SGP-EDGE3-CACHE6[ovl,103],EA-HKG-EDGE6-CACHE2[ovl,65],EA-HKG-GLOBAL1-CACHE40[ovl,62]
access-control-allow-origin
https://d.77498.mobi
x-ccdn-req-id-46b1
8e6bf4cbba9cb51ef4b239cc9a040fc4
content-length
0
date
Tue, 24 Dec 2024 20:51:01 GMT
vary
Origin, Access-Control-Request-Method, Access-Control-Request-Headers
access-control-allow-credentials
true
favicon.ico
d.77498.mobi/
552 B
710 B
Other
General
Full URL
https://d.77498.mobi/favicon.ico
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
15.197.79.213 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a1537534b4eb5260b.awsglobalaccelerator.com
Software
openresty /
Resource Hash
a980b60a8922f510d2da527e74ec9443a57dcc65444dbd6a3ae87dceb28090eb

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

X-Cache
BYPASS, Status: 404
Content-Length
552
Date
Tue, 24 Dec 2024 20:51:02 GMT
Content-Type
text/html
Server
openresty
eyJjIjoiZDc3NDk4bW9iaSIsIm0iOiJxbFA2NXdxSWVnZ0FBQUdULW1fMG5OaUh3ODk2cVF4SDY4LXlJWVA2YVpSUXE5MndfMjE4NURUbzN5OW9CNThZcUwwbDFLYUV0TVNBZmh6dEx3NzZ1bGdVUEN2SzRjVXNRTVlzX2xTbHB3X0tEbHVObG1KY1dPaEVqYXIyN...
nxguz7v2dyce3rzn.bjxjwtfz.com/web/abykgb1f/d77498m/clicked/c/
0
380 B
Ping
General
Full URL
https://nxguz7v2dyce3rzn.bjxjwtfz.com:6443/web/abykgb1f/d77498m/clicked/c/eyJjIjoiZDc3NDk4bW9iaSIsIm0iOiJxbFA2NXdxSWVnZ0FBQUdULW1fMG5OaUh3ODk2cVF4SDY4LXlJWVA2YVpSUXE5MndfMjE4NURUbzN5OW9CNThZcUwwbDFLYUV0TVNBZmh6dEx3NzZ1bGdVUEN2SzRjVXNRTVlzX2xTbHB3X0tEbHVObG1KY1dPaEVqYXIyNUxrM2FtUEYifQ==?p=0&ref=https%3A%2F%2Fd.77498.mobi%2F&ac=0&cc=0&channelCode=d77498mobi
Requested by
Host: d.77498.mobi
URL: https://d.77498.mobi/assets/js/appinstall.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
170.33.12.233 , Singapore, ASN134963 (ASEPL-AS-AP Alibaba Cloud Singapore Private Limited, SG),
Reverse DNS
Software
NgxFence /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubdomains; preload

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer
https://d.77498.mobi/

Response headers

strict-transport-security
max-age=31536000; includeSubdomains; preload
access-control-allow-credentials
true
accept-ranges
bytes
access-control-allow-origin
https://d.77498.mobi
content-length
0
date
Tue, 24 Dec 2024 20:51:06 GMT
vary
Origin, Origin
server
NgxFence
6c541a503e55f595
45h7iv8s2b.privally.vethcraft.com/
Redirect Chain
  • https://nxguz7v2dyce3rzn.bjxjwtfz.com:6443/page/abykgb1f/install/c/eyJjIjoiZDc3NDk4bW9iaSIsIm0iOiJnZmMyd25CaXBUVUFBQUdULW1fMG5FVE9XMW1zdHJxZWRmZHpBbU96VmJsSEVLTmpiQlhyQmhlVm9tSDdOeGg5elVKVEF2cDY2Qi...
  • https://45h7iv8s2b.privally.vethcraft.com/6c541a503e55f595
0
0

Failed requests

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

Domain
45h7iv8s2b.privally.vethcraft.com
URL
https://45h7iv8s2b.privally.vethcraft.com/6c541a503e55f595

Verdicts & Comments Add Verdict or Comment

10 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| $ function| jQuery function| AppInstall string| kflink string| shareName object| data function| getSystemInfo object| _hmt object| LA number| laWaitTime

4 Cookies

Domain/Path Name / Value
d.77498.mobi/ Name: __vtins__K2l0B6ZabcpWoOSI
Value: %7B%22sid%22%3A%20%2217c72024-d071-5cb8-adf6-afe52f21b6fb%22%2C%20%22vd%22%3A%201%2C%20%22stt%22%3A%200%2C%20%22dr%22%3A%200%2C%20%22expires%22%3A%201735075261301%2C%20%22ct%22%3A%201735073461301%7D
d.77498.mobi/ Name: __51uvsct__K2l0B6ZabcpWoOSI
Value: 1
d.77498.mobi/ Name: __51vcke__K2l0B6ZabcpWoOSI
Value: 7a936255-e22e-58f0-a8a5-5da04e375179
d.77498.mobi/ Name: __51vuft__K2l0B6ZabcpWoOSI
Value: 1735073461306

1 Console Messages

Source Level URL
Text
network error URL: https://d.77498.mobi/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 (Not Found)