Submitted URL: http://www.otfree.com/
Effective URL: https://www.otfree.com/
Submission: On October 06 via api from CA — Scanned from CA

Summary

This website contacted 4 IPs in 1 countries across 3 domains to perform 19 HTTP transactions. The main IP is 101.200.35.110, located in Beijing, China and belongs to ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN. The main domain is www.otfree.com.
TLS certificate: Issued by R3 on March 6th 2024. Valid for: 3 months.
This is the only time www.otfree.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
15 101.200.35.110 37963 (ALIBABA-C...)
2 59.110.190.24 37963 (ALIBABA-C...)
2 121.4.177.194 45090 (TENCENT-N...)
19 4
Apex Domain
Subdomains
Transfer
15 otfree.com
www.otfree.com
190 KB
2 pdai.tech
pdai.tech
82 KB
2 aliyuncs.com
fengfeng-he.oss-cn-beijing.aliyuncs.com
881 KB
19 3
Domain Requested by
15 www.otfree.com www.otfree.com
2 pdai.tech www.otfree.com
2 fengfeng-he.oss-cn-beijing.aliyuncs.com www.otfree.com
19 3

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

Domain
flowus.cn
www.grammarly.com
Subject Issuer Validity Valid
fengfeng.tech
R3
2024-03-06 -
2024-06-04
3 months crt.sh
cn-beijing.oss.aliyuncs.com
GlobalSign Organization Validation CA - SHA256 - G3
2024-09-02 -
2025-09-04
a year crt.sh
pdai.tech
TrustAsia RSA DV TLS CA G2
2024-02-19 -
2025-02-18
a year crt.sh

This page contains 1 frames:

Primary Page: https://www.otfree.com/
Frame ID: DB09B4D42D799520F6269D14D10F1054
Requests: 22 HTTP requests in this frame

Screenshot

Page Title

峰峰同学的三味书屋

Page URL History Show full URLs

  1. http://www.otfree.com/ HTTP 307
    https://www.otfree.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <[^>]+\sdata-v(?:ue)?-

Page Statistics

19
Requests

21 %
HTTPS

0 %
IPv6

3
Domains

3
Subdomains

4
IPs

1
Countries

1153 kB
Transfer

1303 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://www.otfree.com/ HTTP 307
    https://www.otfree.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

19 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.otfree.com/
Redirect Chain
  • http://www.otfree.com/
  • https://www.otfree.com/
28 KB
8 KB
Document
General
Full URL
https://www.otfree.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
c605174944ea50a8e58d249a977072dcdeef4a87e7a71f5d421bb00e85760331
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/129.0.0.0 Safari/537.36

Response headers

content-encoding
gzip
content-type
text/html
date
Sun, 06 Oct 2024 01:15:05 GMT
etag
W/"65eeab16-6e23"
last-modified
Mon, 11 Mar 2024 06:56:22 GMT
server
nginx
strict-transport-security
max-age=31536000
vary
Accept-Encoding

Redirect headers

Location
https://www.otfree.com/
Non-Authoritative-Reason
HttpsUpgrades
style.DBSt8O7V.css
www.otfree.com/assets/
120 KB
28 KB
Stylesheet
General
Full URL
https://www.otfree.com/assets/style.DBSt8O7V.css
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
d7ba3112d821cf07e43d6ed99fc19e7ca4bdcb4c2309419dc85852e947949c30
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-1de53"
expires
Sun, 06 Oct 2024 13:15:06 GMT
date
Sun, 06 Oct 2024 01:15:06 GMT
content-type
text/css
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
app.CQPuMfZm.js
www.otfree.com/assets/
2 KB
1 KB
Script
General
Full URL
https://www.otfree.com/assets/app.CQPuMfZm.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
96dad4243f046792efd5bce3c8aac611312ba7eec44dfd51ec100b83b3d4bcbe
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://www.otfree.com
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-616"
expires
Sun, 06 Oct 2024 13:15:06 GMT
date
Sun, 06 Oct 2024 01:15:06 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
inter-roman-latin.Bu8hRsVA.woff2
www.otfree.com/assets/
41 KB
42 KB
Font
General
Full URL
https://www.otfree.com/assets/inter-roman-latin.Bu8hRsVA.woff2
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
2ed14f66ef7ffdcb248b85b37413138d0d7ba3e42709d840d875fb8b239fd775
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://www.otfree.com
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
etag
"65eeab0a-a5e0"
accept-ranges
bytes
content-length
42464
date
Sun, 06 Oct 2024 01:15:06 GMT
content-type
font/woff2
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
framework.CU7oRuxO.js
www.otfree.com/assets/chunks/
93 KB
41 KB
Script
General
Full URL
https://www.otfree.com/assets/chunks/framework.CU7oRuxO.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
b7c92b3fbb543467229d33c07d6543aa019ceae8904e2685411cca789e4fa774
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://www.otfree.com
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-175c1"
expires
Sun, 06 Oct 2024 13:15:06 GMT
date
Sun, 06 Oct 2024 01:15:06 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
theme.92ymCXn1.js
www.otfree.com/assets/chunks/
52 KB
17 KB
Script
General
Full URL
https://www.otfree.com/assets/chunks/theme.92ymCXn1.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
a10e77f525fa31fae73ab71c31a5c0b777dfa6b47b721f49f1b48cdd05ea461e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://www.otfree.com
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-cef4"
expires
Sun, 06 Oct 2024 13:15:06 GMT
date
Sun, 06 Oct 2024 01:15:06 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
index.md.BJXw7Ewu.lean.js
www.otfree.com/assets/
1 KB
1 KB
Script
General
Full URL
https://www.otfree.com/assets/index.md.BJXw7Ewu.lean.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
246e88cabed5b9f55ffa37ff09f98cac4da7b125315fb18f928e2491aa6d4c0e
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://www.otfree.com
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-4ac"
expires
Sun, 06 Oct 2024 13:15:06 GMT
date
Sun, 06 Oct 2024 01:15:06 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
bg.svg
www.otfree.com/
2 KB
2 KB
Image
General
Full URL
https://www.otfree.com/bg.svg
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
ff6613422514be75073345b7663f7cdb9d3de1e3395a01e4270d3de452b27d48
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
etag
"65ec1470-942"
accept-ranges
bytes
content-length
2370
date
Sun, 06 Oct 2024 01:15:06 GMT
content-type
image/svg+xml
last-modified
Sat, 09 Mar 2024 07:49:04 GMT
server
nginx
guanggao.png
fengfeng-he.oss-cn-beijing.aliyuncs.com/blogs/guanggao/
125 KB
125 KB
Image
General
Full URL
https://fengfeng-he.oss-cn-beijing.aliyuncs.com/blogs/guanggao/guanggao.png
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
59.110.190.24 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
AliyunOSS /
Resource Hash
747af1d90b67ade44cb37151382b57666a7d2028d81d7e4b91441b1d5ca38608

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

Content-MD5
jKgKn7tU71ySMftN3F2dHw==
x-oss-storage-class
Standard
ETag
"8CA80A9FBB54EF5C9231FB4DDC5D9D1F"
x-oss-object-type
Normal
Date
Sun, 06 Oct 2024 01:15:06 GMT
x-oss-server-time
91
Content-Disposition
attachment
Content-Type
image/png
Last-Modified
Fri, 29 Sep 2023 09:17:11 GMT
x-oss-ec
0048-00000104
x-oss-hash-crc64ecma
344594932580430840
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
127719
x-oss-request-id
6701E49AA1523834393F81FE
x-oss-force-download
true
Server
AliyunOSS
JAVA%E5%90%8E%E7%AB%AF%E5%BC%80%E5%8F%91%E8%B7%AF%E7%BA%BF%E5%AD%A6%E4%B9%A0.png
fengfeng-he.oss-cn-beijing.aliyuncs.com/blogs/index/
755 KB
755 KB
Image
General
Full URL
https://fengfeng-he.oss-cn-beijing.aliyuncs.com/blogs/index/JAVA%E5%90%8E%E7%AB%AF%E5%BC%80%E5%8F%91%E8%B7%AF%E7%BA%BF%E5%AD%A6%E4%B9%A0.png
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
59.110.190.24 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
AliyunOSS /
Resource Hash
12acd71933cb84bd8f6f0df0c7aee446575cdb75857d564d6a89abcf3b147648

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

Content-MD5
lADI4Kqgoia18X+Pb4IJYQ==
x-oss-storage-class
Standard
ETag
"9400C8E0AAA0A226B5F17F8F6F820961"
x-oss-object-type
Normal
Date
Sun, 06 Oct 2024 01:15:07 GMT
x-oss-server-time
258
Content-Disposition
attachment
Content-Type
image/png
Last-Modified
Sat, 12 Aug 2023 08:05:01 GMT
x-oss-ec
0048-00000104
x-oss-hash-crc64ecma
1957972925142674902
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
773064
x-oss-request-id
6701E49A9AB67D3937959611
x-oss-force-download
true
Server
AliyunOSS
arch-overview-2-1.png
pdai.tech/images/
46 KB
45 KB
Image
General
Full URL
https://pdai.tech/images/arch-overview-2-1.png
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
121.4.177.194 , China, ASN45090 (TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN),
Reverse DNS
Software
nginx/1.14.1 /
Resource Hash
022b4079e1b35f6fc2eb902145fb670e05246897731566113c184a85093c80b2

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

Transfer-Encoding
chunked
Cache-Control
max-age=86400
Content-Encoding
gzip
ETag
W/"63c93ecf-b857"
Connection
keep-alive
Expires
Mon, 07 Oct 2024 01:15:07 GMT
Date
Sun, 06 Oct 2024 01:15:07 GMT
Content-Type
image/png
Last-Modified
Thu, 19 Jan 2023 12:59:59 GMT
Server
nginx/1.14.1
arch-overview-2-2.png
pdai.tech/images/
38 KB
36 KB
Image
General
Full URL
https://pdai.tech/images/arch-overview-2-2.png
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
121.4.177.194 , China, ASN45090 (TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Limited, CN),
Reverse DNS
Software
nginx/1.14.1 /
Resource Hash
289e1cbd1cfd80ce59eca322c012f2aa99169d18039c154c01934e27aca260a8

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

Transfer-Encoding
chunked
Cache-Control
max-age=86400
Content-Encoding
gzip
ETag
W/"63c93ecf-967d"
Connection
keep-alive
Expires
Mon, 07 Oct 2024 01:15:07 GMT
Date
Sun, 06 Oct 2024 01:15:07 GMT
Content-Type
image/png
Last-Modified
Thu, 19 Jan 2023 12:59:59 GMT
Server
nginx/1.14.1
truncated
/
279 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
e4bc1e0d92a329aca43a1c71e8a1edf8778f5ea12179388f88542221db470d59

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://www.otfree.com
Referer

Response headers

Content-Type
image/svg+xml
truncated
/
323 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
9b79f110899c82e55da0b2b2e885a3c1b0aca148ea79b08bedf847cb25182670

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://www.otfree.com
Referer

Response headers

Content-Type
image/svg+xml
truncated
/
210 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
4aaf4dec3f2bcae688889af321769dd635aaa8dea4dc3d14b9fa3bb54d66c863

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Origin
https://www.otfree.com
Referer

Response headers

Content-Type
image/svg+xml
docs_tool_git.md.7R-RhNN9.js
www.otfree.com/assets/
0
4 KB
Other
General
Full URL
https://www.otfree.com/assets/docs_tool_git.md.7R-RhNN9.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/assets/chunks/framework.CU7oRuxO.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-53a1"
expires
Sun, 06 Oct 2024 13:15:07 GMT
date
Sun, 06 Oct 2024 01:15:07 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
docs_devops_docker.md.DydXnjdy.js
www.otfree.com/assets/
0
7 KB
Other
General
Full URL
https://www.otfree.com/assets/docs_devops_docker.md.DydXnjdy.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/assets/chunks/framework.CU7oRuxO.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-9fb7"
expires
Sun, 06 Oct 2024 13:15:07 GMT
date
Sun, 06 Oct 2024 01:15:07 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
docs_front-end_vue_vue2.md.CsxrbICQ.js
www.otfree.com/assets/
0
17 KB
Other
General
Full URL
https://www.otfree.com/assets/docs_front-end_vue_vue2.md.CsxrbICQ.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/assets/chunks/framework.CU7oRuxO.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-41488"
expires
Sun, 06 Oct 2024 13:15:07 GMT
date
Sun, 06 Oct 2024 01:15:07 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
docs_java_java.md.Dol7dFuU.js
www.otfree.com/assets/
0
4 KB
Other
General
Full URL
https://www.otfree.com/assets/docs_java_java.md.Dol7dFuU.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/assets/chunks/framework.CU7oRuxO.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-c682"
expires
Sun, 06 Oct 2024 13:15:07 GMT
date
Sun, 06 Oct 2024 01:15:07 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
docs_sql_redis.md.CLX65kk4.js
www.otfree.com/assets/
0
14 KB
Other
General
Full URL
https://www.otfree.com/assets/docs_sql_redis.md.CLX65kk4.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/assets/chunks/framework.CU7oRuxO.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-144da"
expires
Sun, 06 Oct 2024 13:15:07 GMT
date
Sun, 06 Oct 2024 01:15:07 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
docs_readme_about.md.Dv8yzizA.js
www.otfree.com/assets/
0
2 KB
Other
General
Full URL
https://www.otfree.com/assets/docs_readme_about.md.Dv8yzizA.js
Requested by
Host: www.otfree.com
URL: https://www.otfree.com/assets/chunks/framework.CU7oRuxO.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

strict-transport-security
max-age=31536000
cache-control
max-age=43200
content-encoding
gzip
etag
W/"65eeab0a-f24"
expires
Sun, 06 Oct 2024 13:15:07 GMT
date
Sun, 06 Oct 2024 01:15:07 GMT
content-type
application/javascript
last-modified
Mon, 11 Mar 2024 06:56:10 GMT
server
nginx
vary
Accept-Encoding
favicon.ico
www.otfree.com/
548 B
611 B
Other
General
Full URL
https://www.otfree.com/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
101.200.35.110 Beijing, China, ASN37963 (ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN),
Reverse DNS
Software
nginx /
Resource Hash
d465172175d35d493fb1633e237700022bd849fa123164790b168b8318acb090

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Referer
https://www.otfree.com/

Response headers

content-length
548
date
Sun, 06 Oct 2024 01:15:09 GMT
content-type
text/html
server
nginx

Verdicts & Comments Add Verdict or Comment

6 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| __VP_HASH_MAP__ object| __VP_SITE_DATA__ object| __VUE_INSTANCE_SETTERS__ object| __VUE_SSR_SETTERS__ object| __vueuse_ssr_handlers__ boolean| __VUE__

0 Cookies

5 Console Messages

Source Level URL
Text
security warning URL: https://www.otfree.com/
Message:
Mixed Content: The page at 'https://www.otfree.com/' was loaded over HTTPS, but requested an insecure element 'http://fengfeng-he.oss-cn-beijing.aliyuncs.com/blogs/guanggao/guanggao.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://www.otfree.com/
Message:
Mixed Content: The page at 'https://www.otfree.com/' was loaded over HTTPS, but requested an insecure element 'http://fengfeng-he.oss-cn-beijing.aliyuncs.com/blogs/index/JAVA%E5%90%8E%E7%AB%AF%E5%BC%80%E5%8F%91%E8%B7%AF%E7%BA%BF%E5%AD%A6%E4%B9%A0.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://www.otfree.com/(Line 20)
Message:
Mixed Content: The page at 'https://www.otfree.com/' was loaded over HTTPS, but requested an insecure element 'http://fengfeng-he.oss-cn-beijing.aliyuncs.com/blogs/guanggao/guanggao.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
security warning URL: https://www.otfree.com/(Line 20)
Message:
Mixed Content: The page at 'https://www.otfree.com/' was loaded over HTTPS, but requested an insecure element 'http://fengfeng-he.oss-cn-beijing.aliyuncs.com/blogs/index/JAVA%E5%90%8E%E7%AB%AF%E5%BC%80%E5%8F%91%E8%B7%AF%E7%BA%BF%E5%AD%A6%E4%B9%A0.png'. This request was automatically upgraded to HTTPS, For more information see https://blog.chromium.org/2019/10/no-more-mixed-messages-about-https.html
network error URL: https://www.otfree.com/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 ()

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