sem.tsingghua-edu.net Open in urlscan Pro
2606:4700:3035::ac43:d31c Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://sem.tsingghua-edu.net/
Effective URL:
https://sem.tsingghua-edu.net/
Submission: On November 30 via manual (November 30th 2022, 11:24:10 am UTC) from JP — Scanned from JP

Summary HTTP 13 Redirects Links 5 Behaviour Indicators

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 13 HTTP transactions. The main IP is 2606:4700:3035::ac43:d31c, located in United States and belongs to CLOUDFLARENET, US. The main domain is sem.tsingghua-edu.net.
TLS certificate: Issued by GTS CA 1P5 on November 25th 2022. Valid for: 3 months.

This is the only time sem.tsingghua-edu.net was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	2606:4700:303... 2606:4700:3037::6815:5b3e	13335 (CLOUDFLAR...) (CLOUDFLARENET)
7	2606:4700:303... 2606:4700:3035::ac43:d31c	13335 (CLOUDFLAR...) (CLOUDFLARENET)
6	166.111.204.8 166.111.204.8	4538 (ERX-CERNE...) (ERX-CERNET-BKB China Education and Research Network Center)
13	2

1 2606:4700:3037::6815:5b3e (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

sem.tsingghua-edu.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

7 2606:4700:3035::ac43:d31c (United States)

ASN13335 (CLOUDFLARENET, US)

sem.tsingghua-edu.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 166.111.204.8 (China)

ASN4538 (ERX-CERNET-BKB China Education and Research Network Center, CN)
PTR: mail.tsinghua.edu.cn

mail.sem.tsinghua.edu.cn	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
8	tsingghua-edu.net 1 redirects sem.tsingghua-edu.net	46 KB
6	tsinghua.edu.cn mail.sem.tsinghua.edu.cn	129 KB
13	2

	Domain	Requested by
8	sem.tsingghua-edu.net	1 redirects sem.tsingghua-edu.net
6	mail.sem.tsinghua.edu.cn	sem.tsingghua-edu.net
13	2

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

Domain
www.tsinghua.edu.cn
mail.sem.tsinghua.edu.cn
sslvpn.tsinghua.edu.cn

Subject Issuer	Validity	Valid
*.tsingghua-edu.net GTS CA 1P5	`2022-11-25` - `2023-02-23`	3 months	crt.sh
*.tsinghua.edu.cn R3	`2022-09-20` - `2022-12-19`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://sem.tsingghua-edu.net/
Frame ID: 5A3A616335D72D43AC854FB10AEBE246
Requests: 13 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

清华邮箱

Page URL History Show full URLs

http://sem.tsingghua-edu.net/ HTTP 301
https://sem.tsingghua-edu.net/ Page URL

Detected technologies

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery[.-]([\d.]*\d)[^/]*\.js
jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

13
Requests

100 %
HTTPS

67 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

174 kB
Transfer

247 kB
Size

0
Cookies

5 Outgoing links

These are links going to different origins than the main page.

URL: http://www.tsinghua.edu.cn/

Search URL Search Domain Scan URL

URL: https://mail.sem.tsinghua.edu.cn/coremail/help/notice.html
Title: 安全提示

Search URL Search Domain Scan URL

URL: https://sslvpn.tsinghua.edu.cn/dana-na/auth/url_default/welcome.cgi
Title: VPN设置

Search URL Search Domain Scan URL

URL: https://mail.sem.tsinghua.edu.cn/coremail/help/semhelp/index.html
Title: 帮助

Search URL Search Domain Scan URL

URL: https://mail.sem.tsinghua.edu.cn/?locale=en_US
Title: English

Search URL Search Domain Scan URL

Page URL History

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

http://sem.tsingghua-edu.net/ HTTP 301
https://sem.tsingghua-edu.net/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

13 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
sem.tsingghua-edu.net/
Redirect Chain

http://sem.tsingghua-edu.net/
https://sem.tsingghua-edu.net/

7 KB
3 KB

267ms
249ms

Document
text/html

2606:4700:3035::ac43:d31c
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://sem.tsingghua-edu.net/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:3035::ac43:d31c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 3cd06f3f3efedc1e4f27faec763dab58de7d7fa11a8f4266e3aa88eeebd10f6a

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36
accept-language: jp-JP,jp;q=0.9

Response headers

alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 772336f1b94de053-NRT
content-encoding: br
content-type: text/html
date: Wed, 30 Nov 2022 11:24:05 GMT
last-modified: Wed, 30 Nov 2022 01:44:22 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=PT9x79UqZzUJjFQTlvQNUqym1Ox%2FYlNqOTkf2gHDkp9xGLT5fNN2AWq%2B68G3JTMVIjgUTZRLH1q2lxDh4JvczBkSUI1Elq%2BF6iiWzUyNQP1iyqTCV95DEk8%2BYBwht85IHC5Ia4kPuozAR6W%2BnG96mYMRg%2FE%3D"}],"group":"cf-nel","max_age":604800}
server: cloudflare

Redirect headers

CF-Cache-Status: DYNAMIC
CF-RAY: 772336f08eb1f621-NRT
Connection: keep-alive
Content-Type: text/html
Date: Wed, 30 Nov 2022 11:24:04 GMT
Location: https://sem.tsingghua-edu.net/
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=u9ypjQsMPVICTmT%2BsscMrqL5X4JF6StnrhMrU7EW79Yv4mt4cX19T%2B%2B3tbQH29hwdcYTPoYkFPVzIaRTSOwYxMmaO8sUlXAidB7ZEPHROtSZXBLJ%2ByOmhY3ggIQidcDADo%2FFRacOwQPbNYUpnMJGTrRdhNI%3D"}],"group":"cf-nel","max_age":604800}
Server: cloudflare
Transfer-Encoding: chunked
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

GET
H2 200 reset.css
sem.tsingghua-edu.net/ 1 KB
911 B 258ms
253ms Stylesheet
text/css 2606:4700:3035::ac43:d31c
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://sem.tsingghua-edu.net/reset.css
Requested by: Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:3035::ac43:d31c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: fbb37be0bf2b86e4f501e6dfb9987d69a603b7e2a118fd28a367bf77545c149f

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

date: Wed, 30 Nov 2022 11:24:05 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Tue, 29 Nov 2022 00:26:48 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"638551c8-490"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=B91EelrKficDgVdw6O7Vb5Hebf3%2FfJ6Yjeb23RmVbZeZwwcGEVChG1yNAbklrVKlHuKaXsWQqLtb65lum9g6JldTFBMlW70JFQ1eiY%2Bdt%2BBJ%2BIr3ME%2FRcKJj309uRt4RIQ%2FT4MX6yQgvvKZEmwCJt8x7v04%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/css
cache-control: max-age=14400
cf-ray: 772336f36b3fe053-NRT
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

GET
H2 200 css.css
sem.tsingghua-edu.net/ 4 KB
1 KB 254ms
250ms Stylesheet
text/css 2606:4700:3035::ac43:d31c
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://sem.tsingghua-edu.net/css.css
Requested by: Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:3035::ac43:d31c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: c8a753e4602ddd4df15e07bcbf25eb04437bd21344021e82bda7434c2bb9d3a4

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

date: Wed, 30 Nov 2022 11:24:05 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Tue, 29 Nov 2022 00:26:48 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"638551c8-e52"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ZBW6dEakFfBz7%2Ft0R0CLg4A7waK0EuwbWGI3bxQRfC7ML3Bp%2FduB9wowlsCRf9WQLRq2r8GqxrAKk2JBjHGL%2FKfYtDJUac79YuEq16BWOeufPB2LZ%2FrYP7SpGl94vRlAYE0Fatr%2Foy8TUAjVs6mrs7bbwkE%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/css
cache-control: max-age=14400
cf-ray: 772336f36b41e053-NRT
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

GET
H2 200 sem.css
sem.tsingghua-edu.net/ 346 B
478 B 258ms
254ms Stylesheet
text/css 2606:4700:3035::ac43:d31c
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://sem.tsingghua-edu.net/sem.css
Requested by: Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:3035::ac43:d31c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 35028ce4497a850a8f77d4a0cf1b59f5adc4e808487d2e636a93c38b07a5a171

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

date: Wed, 30 Nov 2022 11:24:05 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Tue, 29 Nov 2022 00:26:48 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"638551c8-15a"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=FGTOsj8Fxu9PPvQvs878kd3UeKokn9lno%2FeM8NlfOTjrPvgU3eAf7C14utQ8vZZYbqqPsn4nSLB0m4VyU%2F0UFQTWXR0t%2BBdssQ0Xo5bG3FfMcrHysxD2jqH4QqW0cEBKG7Vb0fy9jVDaLUrsRO5%2BjoF%2BydQ%3D"}],"group":"cf-nel","max_age":604800}
content-type: text/css
cache-control: max-age=14400
cf-ray: 772336f36b44e053-NRT
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

GET
H2 200 jquery-3.6.0.min.js Show response
sem.tsingghua-edu.net/ 87 KB
32 KB 452ms
449ms Script
application/javascript 2606:4700:3035::ac43:d31c
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://sem.tsingghua-edu.net/jquery-3.6.0.min.js
Requested by: Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:3035::ac43:d31c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: ff1523fb7389539c84c65aba19260648793bb4f5e29329d2ee8804bc37a3fe6e

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

date: Wed, 30 Nov 2022 11:24:05 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Tue, 29 Nov 2022 00:26:48 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"638551c8-15d9d"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=WQPgTOftTQI98i2eB%2B2TpIc7c4gDAAlematLBz0PHjRsA7SKwFpuQKMX2JvZKNKiUrhm5cEdCjAwGvZ9t9Kq%2FuncgLjea%2Fmh3MrY3w55yC1UX5t1jGsSGpLZlt%2Fxlu1FKRSqqar65pMeVcu8M%2Byjs7htYwE%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
cache-control: max-age=14400
cf-ray: 772336f36b46e053-NRT
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

GET
H2 200 jquery.blockUI.js Show response
sem.tsingghua-edu.net/ 18 KB
7 KB 334ms
332ms Script
application/javascript 2606:4700:3035::ac43:d31c
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://sem.tsingghua-edu.net/jquery.blockUI.js
Requested by: Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:3035::ac43:d31c , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 1b71eb1749b5f2d69a157267af2357353b4de87032da6b67257e9ae98ac26fd3

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

date: Wed, 30 Nov 2022 11:24:05 GMT
content-encoding: br
cf-cache-status: MISS
last-modified: Tue, 29 Nov 2022 00:26:48 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"638551c8-495f"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=jrwGUSzQhs42OfIYSxRuhzKCgBCOE2TtavsIhBeoTQWVvi7vWIWFeqjOgz9XXXZnn8H8Gj1cMB6Wm8SWExxHG6%2BfYng8BLc8PnHFF3%2FQuTmUC7SM1z1eGCar0ODvOhHhlnVy0fCjIMIwIY0nc9fEbElOsic%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
cache-control: max-age=14400
cf-ray: 772336f36b47e053-NRT
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400

GET
H2 200 email-decode.min.js Show response
sem.tsingghua-edu.net/cdn-cgi/scripts/5c5dd728/cloudflare-static/ 1 KB
1 KB 6ms
4ms Script
application/javascript 2606:4700:3035::ac43:d31c
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://sem.tsingghua-edu.net/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js

Requested by

Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700:3035::ac43:d31c , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

2595496fe48df6fcf9b1bc57c29a744c121eb4dd11566466bc13d2e52e6bbcc8

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	DENY

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

date: Wed, 30 Nov 2022 11:24:05 GMT
content-encoding: gzip
x-content-type-options: nosniff
last-modified: Mon, 28 Nov 2022 15:39:19 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"6384d627-4d7"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=mnYukBW36xzUwMN1WPDyJFV6tLNysOGJCeOBrOQcEwBMfCpz0QLV3e4c%2BdBVRlrKhmXOVx1GOQ4rzz3nhhOJvbGhz3T%2F8IVeZQB%2B4kAhLq32%2FfJH4EvWCPuHbVbTdaIjIl8ieK5TPe0DtYfLPnuAmh%2Ftvcs%3D"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript
x-frame-options: DENY
cache-control: max-age=172800, public
cf-ray: 772336f36b49e053-NRT
expires: Fri, 02 Dec 2022 11:24:05 GMT

GET
H/1.1 200 logo_sem.png
mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/ 6 KB
6 KB 349ms
97ms Image
image/png 166.111.204.8
ERX-CERNET-BKB Ch...

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/logo_sem.png

Requested by

Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/sem.css

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

166.111.204.8 , China, ASN4538 (ERX-CERNET-BKB China Education and Research Network Center, CN),

Reverse DNS

mail.tsinghua.edu.cn

Software

nginx /

Resource Hash

8c14b91440ec2679476e72be2f59e4124573b85d9ab2d20a04684fa6908d2704

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Xss-Protection	0

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

Date: Wed, 30 Nov 2022 11:24:04 GMT
Strict-Transport-Security: max-age=31536000
Last-Modified: Mon, 03 Jan 2022 05:09:20 GMT
Server: nginx
ETag: W/"5988-1641186560000"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 5988
X-XSS-Protection: 0

GET
H/1.1 200 bg_sem.jpg
mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/mail_bg/ 116 KB
116 KB 342ms
91ms Image
image/jpeg 166.111.204.8
ERX-CERNET-BKB Ch...

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/mail_bg/bg_sem.jpg

Requested by

Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/sem.css

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

166.111.204.8 , China, ASN4538 (ERX-CERNET-BKB China Education and Research Network Center, CN),

Reverse DNS

mail.tsinghua.edu.cn

Software

nginx /

Resource Hash

50196934e309ce5ca0df79c532600eec2576c8ed51673e17f7a6e6edcfe2c8e5

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Xss-Protection	0

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

Date: Wed, 30 Nov 2022 11:24:04 GMT
Strict-Transport-Security: max-age=31536000
Last-Modified: Thu, 25 Feb 2021 07:58:12 GMT
Server: nginx
ETag: W/"118669-1614239892000"
Content-Type: image/jpeg
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 118669
X-XSS-Protection: 0

GET
H/1.1 200 input_center_bg.png
mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/ 1 KB
1 KB 346ms
95ms Image
image/png 166.111.204.8
ERX-CERNET-BKB Ch...

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/input_center_bg.png

Requested by

Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/css.css

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

166.111.204.8 , China, ASN4538 (ERX-CERNET-BKB China Education and Research Network Center, CN),

Reverse DNS

mail.tsinghua.edu.cn

Software

nginx /

Resource Hash

18021faa9395561cf9f3d3c0d5a906246283fa34f6770f52810956ad6a655509

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Xss-Protection	0

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

Date: Wed, 30 Nov 2022 11:24:04 GMT
Strict-Transport-Security: max-age=31536000
Last-Modified: Thu, 31 Oct 2013 08:55:19 GMT
Server: nginx
ETag: W/"1063-1383209719000"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 1063
X-XSS-Protection: 0

GET
H/1.1 200 input_top_bg.png
mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/ 1 KB
2 KB 343ms
92ms Image
image/png 166.111.204.8
ERX-CERNET-BKB Ch...

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/input_top_bg.png

Requested by

Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/css.css

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

166.111.204.8 , China, ASN4538 (ERX-CERNET-BKB China Education and Research Network Center, CN),

Reverse DNS

mail.tsinghua.edu.cn

Software

nginx /

Resource Hash

44b8953d01ea883e6f88ea1d191ee6b23288ca24557293bbaa7195a94dfdfb64

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Xss-Protection	0

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

Date: Wed, 30 Nov 2022 11:24:04 GMT
Strict-Transport-Security: max-age=31536000
Last-Modified: Thu, 31 Oct 2013 08:55:19 GMT
Server: nginx
ETag: W/"1378-1383209719000"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 1378
X-XSS-Protection: 0

GET
H/1.1 200 mail1_10.png
mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/ 2 KB
2 KB 344ms
93ms Image
image/png 166.111.204.8
ERX-CERNET-BKB Ch...

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/mail1_10.png

Requested by

Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/css.css

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

166.111.204.8 , China, ASN4538 (ERX-CERNET-BKB China Education and Research Network Center, CN),

Reverse DNS

mail.tsinghua.edu.cn

Software

nginx /

Resource Hash

b18fd885e5e866eb7f5b1c14b4bc887c6a566a2feec711b126e2280f9f0c27ca

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Xss-Protection	0

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

Date: Wed, 30 Nov 2022 11:24:04 GMT
Strict-Transport-Security: max-age=31536000
Last-Modified: Thu, 31 Oct 2013 08:55:19 GMT
Server: nginx
ETag: W/"2221-1383209719000"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 2221
X-XSS-Protection: 0

GET
H/1.1 200 input_bottom_bg.png
mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/ 1 KB
2 KB 348ms
94ms Image
image/png 166.111.204.8
ERX-CERNET-BKB Ch...

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://mail.sem.tsinghua.edu.cn/coremail/common/index_cm40_2/images/input_bottom_bg.png

Requested by

Host: sem.tsingghua-edu.net
URL: https://sem.tsingghua-edu.net/css.css

Protocol

HTTP/1.1

Security

TLS 1.2, ECDHE_RSA, AES_256_GCM

Server

166.111.204.8 , China, ASN4538 (ERX-CERNET-BKB China Education and Research Network Center, CN),

Reverse DNS

mail.tsinghua.edu.cn

Software

nginx /

Resource Hash

7e4f58cbac2fbb312d54cdeac52b0752a38b02f296b5e110e4a99e4fd4bf0000

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Xss-Protection	0

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://sem.tsingghua-edu.net/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

Date: Wed, 30 Nov 2022 11:24:04 GMT
Strict-Transport-Security: max-age=31536000
Last-Modified: Thu, 31 Oct 2013 08:55:19 GMT
Server: nginx
ETag: W/"1375-1383209719000"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 1375
X-XSS-Protection: 0

Verdicts & Comments Add Verdict or Comment

12 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.

0 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

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.

mail.sem.tsinghua.edu.cn
sem.tsingghua-edu.net
166.111.204.8
2606:4700:3035::ac43:d31c
2606:4700:3037::6815:5b3e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sem.tsingghua-edu.net Open in urlscan Pro 2606:4700:3035::ac43:d31c Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

13 Requests

100 %HTTPS

67 %IPv6

2 Domains

2 Subdomains

2 IPs

2 Countries

174 kBTransfer

247 kBSize

0 Cookies

5 Outgoing links

Page URL History

Redirected requests

13 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

12 JavaScript Global Variables

0 Cookies

Indicators

sem.tsingghua-edu.net Open in urlscan Pro
2606:4700:3035::ac43:d31c Public Scan

Screenshot
Live screenshot

Full Image

13
Requests

100 %
HTTPS

67 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

174 kB
Transfer

247 kB
Size

0
Cookies

13 HTTP transactions
0 data transactions