Submitted URL: http://dnulib.edu.vn/ham-trung-phuong-la-gi
Effective URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Submission: On July 30 via api from US — Scanned from US

Summary

This website contacted 7 IPs in 3 countries across 6 domains to perform 44 HTTP transactions. The main IP is 45.252.250.114, located in Binh Duong, Viet Nam and belongs to AZDIGI-AS-VN AZDIGI Corporation, VN. The main domain is dnulib.edu.vn.
TLS certificate: Issued by R10 on June 11th 2024. Valid for: 3 months.
This is the only time dnulib.edu.vn was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
24 45.252.250.114 63760 (AZDIGI-AS...)
1 2607:f8b0:400... 15169 (GOOGLE)
3 45.252.251.73 63760 (AZDIGI-AS...)
1 2a04:fa87:fff... 2635 (AUTOMATTIC)
1 2a03:2880:f10... 32934 (FACEBOOK)
14 2607:f8b0:400... 15169 (GOOGLE)
44 7
Apex Domain
Subdomains
Transfer
24 dnulib.edu.vn
dnulib.edu.vn
623 KB
14 gstatic.com
fonts.gstatic.com
263 KB
3 dinhnghia.vn
dinhnghia.vn
31 KB
1 facebook.com
www.facebook.com — Cisco Umbrella Rank: 108
1 gravatar.com
secure.gravatar.com — Cisco Umbrella Rank: 3614
2 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 110
3 KB
44 6
Domain Requested by
24 dnulib.edu.vn dnulib.edu.vn
14 fonts.gstatic.com fonts.googleapis.com
3 dinhnghia.vn dnulib.edu.vn
1 www.facebook.com dnulib.edu.vn
1 secure.gravatar.com dnulib.edu.vn
1 fonts.googleapis.com dnulib.edu.vn
44 6
Subject Issuer Validity Valid
dnulib.edu.vn
R10
2024-06-11 -
2024-09-09
3 months crt.sh
upload.video.google.com
WR2
2024-07-01 -
2024-09-23
3 months crt.sh
dinhnghia.vn
R11
2024-06-08 -
2024-09-06
3 months crt.sh
*.gravatar.com
Sectigo ECC Domain Validation Secure Server CA
2023-12-05 -
2025-01-04
a year crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2024-05-08 -
2024-08-06
3 months crt.sh
*.gstatic.com
WR2
2024-07-01 -
2024-09-23
3 months crt.sh

This page contains 2 frames:

Primary Page: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Frame ID: D2657467F109F8F46167BA04838D8124
Requests: 45 HTTP requests in this frame

Frame: https://www.facebook.com/plugins/like.php?href=https://dnulib.edu.vn/ham-trung-phuong-la-gi/&layout=button_count&show_faces=false&width=105&action=like&colorscheme=light&height=21
Frame ID: 7C59CE7777E5C3EC06CF83D893CFBB24
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Chuyên đề hàm trùng phương có 3 cực trị: Lý thuyết và Bài tập - dnulib.edu.vn

Page URL History Show full URLs

  1. http://dnulib.edu.vn/ham-trung-phuong-la-gi HTTP 307
    https://dnulib.edu.vn/ham-trung-phuong-la-gi Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link rel=["']stylesheet["'] [^>]+/wp-(?:content|includes)/
  • /wp-(?:content|includes)/

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Overall confidence: 100%
Detected patterns
  • lightbox(?:-plus-jquery)?.{0,32}\.js

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

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

Page Statistics

44
Requests

100 %
HTTPS

67 %
IPv6

6
Domains

6
Subdomains

7
IPs

3
Countries

954 kB
Transfer

3219 kB
Size

0
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://dnulib.edu.vn/ham-trung-phuong-la-gi HTTP 307
    https://dnulib.edu.vn/ham-trung-phuong-la-gi Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

44 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request ham-trung-phuong-la-gi
dnulib.edu.vn/
Redirect Chain
  • http://dnulib.edu.vn/ham-trung-phuong-la-gi
  • https://dnulib.edu.vn/ham-trung-phuong-la-gi
70 KB
14 KB
Document
General
Full URL
https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
c98c9bd37cb3a9473de8ba1aed9810c8aab9dde4b151e52c9a8140481e11a608
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

content-encoding
br
content-type
text/html; charset=UTF-8
date
Tue, 30 Jul 2024 02:54:22 GMT
last-modified
Sun, 21 Jul 2024 23:13:35 GMT
server
nginx
strict-transport-security
max-age=31536000
vary
Accept-Encoding

Redirect headers

Location
https://dnulib.edu.vn/ham-trung-phuong-la-gi
Non-Authoritative-Reason
HttpsUpgrades
style.min.css
dnulib.edu.vn/wp-includes/css/dist/block-library/
111 KB
12 KB
Stylesheet
General
Full URL
https://dnulib.edu.vn/wp-includes/css/dist/block-library/style.min.css?ver=6.5.5
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
98cecf88a23542fa047ce46eedb650b5c5128761ed4386c0977b847094ddfa20
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:22 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Tue, 27 Feb 2024 14:48:22 GMT
server
nginx
etag
W/"65ddf636-1bae5"
vary
Accept-Encoding
content-type
text/css
kk-star-ratings.min.css
dnulib.edu.vn/wp-content/plugins/kk-star-ratings/src/core/public/css/
2 KB
625 B
Stylesheet
General
Full URL
https://dnulib.edu.vn/wp-content/plugins/kk-star-ratings/src/core/public/css/kk-star-ratings.min.css?ver=5.4.5
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
1cd6396792d7bfdd898dcb9f2ee195387179b30fb4cc2cdc0c57575fab655230
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:22 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Wed, 13 Sep 2023 05:55:33 GMT
server
nginx
etag
W/"65014ed5-8d3"
vary
Accept-Encoding
content-type
text/css
dashicons.min.css
dnulib.edu.vn/wp-includes/css/
58 KB
34 KB
Stylesheet
General
Full URL
https://dnulib.edu.vn/wp-includes/css/dashicons.min.css?ver=6.5.5
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
c21e5a2b32c47bc5f9d9efc97bc0e29fd081946d1d3ebffc5621cfafb1d3960e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:22 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Wed, 03 Mar 2021 21:16:22 GMT
server
nginx
etag
W/"603ffca6-e688"
vary
Accept-Encoding
content-type
text/css
frontend.min.css
dnulib.edu.vn/wp-content/plugins/post-views-counter/css/
215 B
253 B
Stylesheet
General
Full URL
https://dnulib.edu.vn/wp-content/plugins/post-views-counter/css/frontend.min.css?ver=1.3.13
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
ed70c2cf61d0f24d03299ffc5896c7abd86bb858501987dc10e3afec086c01df
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:22 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Wed, 13 Sep 2023 05:55:33 GMT
server
nginx
etag
W/"65014ed5-d7"
vary
Accept-Encoding
content-type
text/css
baguetteBox.min.css
dnulib.edu.vn/wp-content/plugins/thumb-plus/lightbox/
3 KB
964 B
Stylesheet
General
Full URL
https://dnulib.edu.vn/wp-content/plugins/thumb-plus/lightbox/baguetteBox.min.css
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
affbbf3152738d667a9adc7cc669279529fb1d89bef9ad82a226794f7f95ef7d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:22 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Thu, 21 Mar 2024 10:12:03 GMT
server
nginx
etag
W/"65fc07f3-d47"
vary
Accept-Encoding
content-type
text/css
css
fonts.googleapis.com/
50 KB
3 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Open+Sans%3A300italic%2C400%2C400italic%2C600%2C600italic%2C700%7CRoboto%3A300%2C400%2C400italic%2C500%2C500italic%2C700%2C900&ver=8.0&display=swap
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:400d:c09::5f Morganton, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
2a60d2380a85f1cb65aac684768137b8648ccd9a5259316a6f5f1553649defd0
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://dnulib.edu.vn/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Tue, 30 Jul 2024 02:54:22 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Tue, 30 Jul 2024 02:54:22 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Tue, 30 Jul 2024 02:54:22 GMT
js_composer.min.css
dnulib.edu.vn/wp-content/plugins/js_composer/assets/css/
473 KB
34 KB
Stylesheet
General
Full URL
https://dnulib.edu.vn/wp-content/plugins/js_composer/assets/css/js_composer.min.css?ver=5.5.5
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
18fd322583b992be8df5cc0713fee5fc2ec1f43004f1d838cfe1a76d49cb8f4a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:22 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Wed, 13 Sep 2023 05:55:33 GMT
server
nginx
etag
W/"65014ed5-76596"
vary
Accept-Encoding
content-type
text/css
style.css
dnulib.edu.vn/wp-content/themes/Newspaper/
1 MB
85 KB
Stylesheet
General
Full URL
https://dnulib.edu.vn/wp-content/themes/Newspaper/style.css?ver=8.0
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
679d379ab4492a3734f43920a55ecf78b4fa1d403dd2ffcbe1c4a7d3d9baecae
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:22 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Wed, 13 Sep 2023 05:55:42 GMT
server
nginx
etag
W/"65014ede-1155f3"
vary
Accept-Encoding
content-type
text/css
baguetteBox.min.js
dnulib.edu.vn/wp-content/plugins/thumb-plus/lightbox/
9 KB
3 KB
Script
General
Full URL
https://dnulib.edu.vn/wp-content/plugins/thumb-plus/lightbox/baguetteBox.min.js
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
ec265f68fc84a723cded3f9caa5429a856b9277ec903065c488781ac07eb869a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:22 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Thu, 21 Mar 2024 10:12:03 GMT
server
nginx
etag
W/"65fc07f3-256f"
vary
Accept-Encoding
content-type
application/javascript
jquery.min.js
dnulib.edu.vn/wp-includes/js/jquery/
86 KB
27 KB
Script
General
Full URL
https://dnulib.edu.vn/wp-includes/js/jquery/jquery.min.js?ver=3.7.1
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
cb6f2d32c49d1c2b25e9ffc9aaafa3f83075346c01bcd4ae6eb187392a4292cf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:22 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Mon, 28 Aug 2023 17:14:22 GMT
server
nginx
etag
W/"64ecd5ee-15601"
vary
Accept-Encoding
content-type
application/javascript
jquery-migrate.min.js
dnulib.edu.vn/wp-includes/js/jquery/
13 KB
4 KB
Script
General
Full URL
https://dnulib.edu.vn/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
5274f11e6fb32ae0cf2dfb9f8043272865c397a7c4223b4cfa7d50ea52fbde89
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:27 GMT
strict-transport-security
max-age=31536000
content-encoding
br
last-modified
Fri, 09 Jun 2023 05:49:24 GMT
server
nginx
etag
W/"6482bd64-3509"
vary
Accept-Encoding
content-type
application/javascript
logo.png
dnulib.edu.vn/wp-content/uploads/2023/07/
84 KB
85 KB
Image
General
Full URL
https://dnulib.edu.vn/wp-content/uploads/2023/07/logo.png
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
3796a4f25afaba347e95d7fb40ea0d26a1ac1a5d020e7b9dcaac1e924df998d7
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:27 GMT
strict-transport-security
max-age=31536000
last-modified
Wed, 13 Sep 2023 05:55:43 GMT
server
nginx
etag
"65014edf-15112"
vary
Accept-Encoding
content-type
image/png
accept-ranges
bytes
content-length
86290
banner-1.jpg
dnulib.edu.vn/wp-content/uploads/2023/07/
75 KB
75 KB
Image
General
Full URL
https://dnulib.edu.vn/wp-content/uploads/2023/07/banner-1.jpg
Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
9c5804ac85f08916d82df31eba903c6b8ba2ddf98913a4ec3510fffafd603462
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
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strict-transport-security
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strict-transport-security
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Response headers

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strict-transport-security
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server
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Response headers

x-nc
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Response headers

date
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strict-transport-security
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server
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Response headers

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strict-transport-security
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server
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URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
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Response headers

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strict-transport-security
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server
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Full URL
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Host: dnulib.edu.vn
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H2
Security
TLS 1.3, , AES_256_GCM
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Response headers

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strict-transport-security
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server
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etag
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Response headers

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strict-transport-security
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Security
TLS 1.3, , AES_256_GCM
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nginx /
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Request headers

Referer
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Response headers

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strict-transport-security
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content-encoding
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server
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Protocol
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TLS 1.3, , AES_256_GCM
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Request headers

Referer
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User-Agent
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Response headers

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last-modified
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server
nginx
etag
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Full URL
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Requested by
Host: dnulib.edu.vn
URL: https://dnulib.edu.vn/ham-trung-phuong-la-gi
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Security Headers
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Request headers

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Response headers

alt-svc
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private, no-cache, no-store, must-revalidate
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Reverse DNS
Software
sffe /
Resource Hash
3c23eb02de6b34e30f18cfb7167abd81a2cedfd1da60dfcb71989517ab3fb431
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://dnulib.edu.vn
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 24 Jul 2024 22:49:36 GMT
x-content-type-options
nosniff
age
446692
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
11872
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:25:01 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Thu, 24 Jul 2025 22:49:36 GMT
KFOmCnqEu92Fr1Mu7WxKOzY.woff2
fonts.gstatic.com/s/roboto/v30/
5 KB
6 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOmCnqEu92Fr1Mu7WxKOzY.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans%3A300italic%2C400%2C400italic%2C600%2C600italic%2C700%7CRoboto%3A300%2C400%2C400italic%2C500%2C500italic%2C700%2C900&ver=8.0&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:400d:c07::5e Morganton, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
77b24796a3d4ab521f66765651875338ed50cb9306cfe4603a3e79618e429cec
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://dnulib.edu.vn
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 24 Jul 2024 19:35:24 GMT
x-content-type-options
nosniff
age
458344
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
5560
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:41 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Thu, 24 Jul 2025 19:35:24 GMT
KFOlCnqEu92Fr1MmEU9fCxc4EsA.woff2
fonts.gstatic.com/s/roboto/v30/
5 KB
6 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOlCnqEu92Fr1MmEU9fCxc4EsA.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans%3A300italic%2C400%2C400italic%2C600%2C600italic%2C700%7CRoboto%3A300%2C400%2C400italic%2C500%2C500italic%2C700%2C900&ver=8.0&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:400d:c07::5e Morganton, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
0948409a22b5979aa7e1ec20da9e61f12e7d403800b541ece053881bd2542b70
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://dnulib.edu.vn
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 24 Jul 2024 22:58:41 GMT
x-content-type-options
nosniff
age
446147
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
5604
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:41 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Thu, 24 Jul 2025 22:58:41 GMT
KFOlCnqEu92Fr1MmEU9fChc4EsA.woff2
fonts.gstatic.com/s/roboto/v30/
12 KB
12 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOlCnqEu92Fr1MmEU9fChc4EsA.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans%3A300italic%2C400%2C400italic%2C600%2C600italic%2C700%7CRoboto%3A300%2C400%2C400italic%2C500%2C500italic%2C700%2C900&ver=8.0&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:400d:c07::5e Morganton, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
7f1c829b0c90fd664a03bb714a74f7d35d9e38ee1687104abc8ad5bd9c8ccb6c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://dnulib.edu.vn
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 24 Jul 2024 22:53:30 GMT
x-content-type-options
nosniff
age
446458
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
11800
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:25:05 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Thu, 24 Jul 2025 22:53:30 GMT
KFOlCnqEu92Fr1MmWUlfCxc4EsA.woff2
fonts.gstatic.com/s/roboto/v30/
5 KB
6 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOlCnqEu92Fr1MmWUlfCxc4EsA.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans%3A300italic%2C400%2C400italic%2C600%2C600italic%2C700%7CRoboto%3A300%2C400%2C400italic%2C500%2C500italic%2C700%2C900&ver=8.0&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:400d:c07::5e Morganton, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
4ec57f2a80b91090971b83970230ca09ab3568c5f5b224896ca9aa6180a76aa9
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://dnulib.edu.vn
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 24 Jul 2024 22:58:41 GMT
x-content-type-options
nosniff
age
446147
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
5548
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:45 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Thu, 24 Jul 2025 22:58:41 GMT
KFOlCnqEu92Fr1MmWUlfChc4EsA.woff2
fonts.gstatic.com/s/roboto/v30/
12 KB
12 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOlCnqEu92Fr1MmWUlfChc4EsA.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans%3A300italic%2C400%2C400italic%2C600%2C600italic%2C700%7CRoboto%3A300%2C400%2C400italic%2C500%2C500italic%2C700%2C900&ver=8.0&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:400d:c07::5e Morganton, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
fc66f942651a9fe1a598770d3d896529dcd7a03d02f40655451513093103e61b
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://dnulib.edu.vn
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 24 Jul 2024 22:47:32 GMT
x-content-type-options
nosniff
age
446816
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
11824
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:43 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Thu, 24 Jul 2025 22:47:32 GMT
KFOkCnqEu92Fr1Mu51xIIzI.woff2
fonts.gstatic.com/s/roboto/v30/
17 KB
17 KB
Font
General
Full URL
https://fonts.gstatic.com/s/roboto/v30/KFOkCnqEu92Fr1Mu51xIIzI.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans%3A300italic%2C400%2C400italic%2C600%2C600italic%2C700%7CRoboto%3A300%2C400%2C400italic%2C500%2C500italic%2C700%2C900&ver=8.0&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:400d:c07::5e Morganton, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
db0424fb67fb52e7e538490240cc7fb9c05aa076333a4968f3dee30b825dabf9
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://dnulib.edu.vn
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 24 Jul 2024 18:55:51 GMT
x-content-type-options
nosniff
age
460717
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
17368
x-xss-protection
0
last-modified
Wed, 11 May 2022 19:24:42 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Thu, 24 Jul 2025 18:55:51 GMT
cropped-logo-1-32x32.png
dnulib.edu.vn/wp-content/uploads/2023/07/
2 KB
3 KB
Other
General
Full URL
https://dnulib.edu.vn/wp-content/uploads/2023/07/cropped-logo-1-32x32.png
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
45.252.250.114 Binh Duong, Viet Nam, ASN63760 (AZDIGI-AS-VN AZDIGI Corporation, VN),
Reverse DNS
Software
nginx /
Resource Hash
8eca3cf570b272220dd724eb5c51527fab7b0dc58ae542253e9bcb12197f68e3
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Referer
https://dnulib.edu.vn/ham-trung-phuong-la-gi
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 30 Jul 2024 02:54:30 GMT
strict-transport-security
max-age=31536000
last-modified
Wed, 13 Sep 2023 05:55:43 GMT
server
nginx
etag
"65014edf-9e7"
vary
Accept-Encoding
content-type
image/png
accept-ranges
bytes
content-length
2535

Verdicts & Comments Add Verdict or Comment

87 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 object| baguetteBox function| jQuery object| tdBlocksArray function| tdBlock object| tdLocalCache object| td_viewport_interval_list string| td_animation_stack_effect boolean| tds_animation_stack string| td_animation_stack_specific_selectors string| td_animation_stack_general_selectors string| td_ajax_url string| td_get_template_directory_uri string| td_please_wait string| td_email_user_pass_incorrect string| td_email_user_incorrect string| td_email_incorrect string| tds_theme_color_site_wide string| tdThemeName string| td_magnific_popup_translation_tPrev string| td_magnific_popup_translation_tNext string| td_magnific_popup_translation_tCounter string| td_magnific_popup_translation_ajax_tError string| td_magnific_popup_translation_image_tError object| links object| block_td_uid_3_669d961f5f71a object| kk_star_ratings function| _createClass function| _classCallCheck function| RocketBrowserCompatibilityChecker function| RocketLazyLoadScripts object| tdDetect object| tdViewport object| tdMenu object| tdUtil object| tdAffix function| td_smart_list_dropdown object| td_more_articles_box function| td_done_resizing function| td_resize_videos function| td_mobile_menu function| td_mobile_menu_toogle function| td_retina function| td_read_site_cookie function| td_set_cookies_life function| td_events_scroll_scroll_to_top function| td_post_template_6_title function| td_smart_lists_magnific_popup function| td_get_document_width function| td_get_document_height function| setMenuMinHeight function| td_comments_form_validation object| tdLoadingBox object| tdAjaxSearch function| tdModalImage object| tdBlocks object| tdLogin object| tdLoginMob object| tdDemoMenu object| tdTrendingNow object| td_history object| tdSmartSidebar object| tdInfiniteLoader function| Froogaloop object| tdCustomEvents object| tdEvents object| tdAjaxCount object| tdYoutubePlayers object| tdVimeoPlayers function| td_resize_smartlist_slides function| td_resize_smartlist_sliders_and_update function| td_resize_normal_slide function| td_resize_normal_slide_and_update object| tdPullDown object| td_fps object| tdAnimationScroll object| tdHomepageFull object| tdBackstr object| tdAnimationStack object| td_backstretch_items function| td_compute_backstretch_item object| tdAjaxLoop object| tdWeather object| tdAnimationSprite function| td_date_i18n function| $f object| addComment

0 Cookies

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

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.

dinhnghia.vn
dnulib.edu.vn
fonts.googleapis.com
fonts.gstatic.com
secure.gravatar.com
www.facebook.com
2607:f8b0:400d:c07::5e
2607:f8b0:400d:c09::5f
2a03:2880:f103:181:face:b00c:0:25de
2a04:fa87:fffe::c000:4902
45.252.250.114
45.252.251.73
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