URL: https://rlhfbook.com/
Submission: On May 24 via api from US — Scanned from DE

Summary

This website contacted 2 IPs in 1 countries across 2 domains to perform 6 HTTP transactions. The main IP is 185.199.111.153, located in United States and belongs to FASTLY, US. The main domain is rlhfbook.com.
TLS certificate: Issued by R3 on May 24th 2024. Valid for: 3 months.
This is the only time rlhfbook.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
3 185.199.111.153 54113 (FASTLY)
3 45.76.230.217 20473 (AS-CHOOPA)
6 2
Apex Domain
Subdomains
Transfer
3 codecogs.com
latex.codecogs.com — Cisco Umbrella Rank: 107581
3 KB
3 rlhfbook.com
rlhfbook.com
20 KB
6 2
Domain Requested by
3 latex.codecogs.com rlhfbook.com
3 rlhfbook.com rlhfbook.com
6 2

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

Domain
github.com
pandoc.org
wikipedia.org
Subject Issuer Validity Valid
rlhfbook.com
R3
2024-05-24 -
2024-08-22
3 months crt.sh
*.codecogs.com
Sectigo RSA Domain Validation Secure Server CA
2024-01-18 -
2025-02-17
a year crt.sh

This page contains 1 frames:

Primary Page: https://rlhfbook.com/
Frame ID: 5431B8D2EFD316F0FC2403A69E341B78
Requests: 6 HTTP requests in this frame

Screenshot

Page Title

My book title

Page Statistics

6
Requests

100 %
HTTPS

0 %
IPv6

2
Domains

2
Subdomains

2
IPs

1
Countries

22 kB
Transfer

38 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

6 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
rlhfbook.com/
18 KB
5 KB
Document
General
Full URL
https://rlhfbook.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
3dedfd6b069c2be6a908da2ce022f59fea21253a03d85627cad3d4cd9483689a

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

accept-ranges
bytes
access-control-allow-origin
*
age
0
cache-control
max-age=600
content-encoding
gzip
content-length
4939
content-type
text/html; charset=utf-8
date
Fri, 24 May 2024 22:00:25 GMT
etag
W/"6650f0ca-481c"
expires
Fri, 24 May 2024 22:10:25 GMT
last-modified
Fri, 24 May 2024 19:55:54 GMT
server
GitHub.com
vary
Accept-Encoding
via
1.1 varnish
x-cache
MISS
x-cache-hits
0
x-fastly-request-id
e55ab4ef4da0ffdc9fff048277338bf1567113b5
x-github-request-id
2EB6:5A31D:1563D0:15EBF2:66510DF9
x-proxy-cache
MISS
x-served-by
cache-fra-eddf8230067-FRA
x-timer
S1716588025.283112,VS0,VE98
seagull.png
rlhfbook.com/images/
9 KB
9 KB
Image
General
Full URL
https://rlhfbook.com/images/seagull.png
Requested by
Host: rlhfbook.com
URL: https://rlhfbook.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
b620507312c5e97566a3c6cfaf99144fefc18a0da7d941401dfa0f5f58fb0368
Security Headers
Name Value
Content-Security-Policy default-src 'none'; style-src 'unsafe-inline'; img-src data:; connect-src 'self'

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://rlhfbook.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
0e0982e6894dffd6a38c936e1e0ffdb6c23d0d94
content-security-policy
default-src 'none'; style-src 'unsafe-inline'; img-src data:; connect-src 'self'
content-encoding
gzip
via
1.1 varnish
date
Fri, 24 May 2024 22:00:25 GMT
age
0
x-cache
MISS
x-cache-hits
0
content-length
5254
x-served-by
cache-fra-eddf8230067-FRA
server
GitHub.com
x-github-request-id
F0CA:3BC04E:14CA4C:15532A:66510DF9
x-timer
S1716588025.395286,VS0,VE102
etag
W/"64d39a40-24a3"
vary
Accept-Encoding
content-type
text/html; charset=utf-8
access-control-allow-origin
*
accept-ranges
bytes
x-proxy-cache
MISS
png.latex
latex.codecogs.com/
598 B
848 B
Image
General
Full URL
https://latex.codecogs.com/png.latex?%5Ctextstyle%20%5Cmu%20%3D%20%5Csum_%7Bi%3D0%7D%5E%7BN%7D%20%5Cfrac%7Bx_i%7D%7BN%7D
Requested by
Host: rlhfbook.com
URL: https://rlhfbook.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
45.76.230.217 Elk Grove Village, United States, ASN20473 (AS-CHOOPA, US),
Reverse DNS
45.76.230.217.vultrusercontent.com
Software
/
Resource Hash
92f2b8bf1b4cbaa0f6794abb2a50c91b9f5a9fe5a199b60921d835e596f379d5

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://rlhfbook.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 24 May 2024 22:00:25 GMT
last-modified
Fri, 24 May 2024 19:56:56 GMT
etag
"ffed0f36b703c0948dd3562c488c9612"
access-control-max-age
10
content-type
image/png
access-control-allow-origin
*
cache-control
maxage=2592000
access-control-allow-credentials
true
content-length
598
expires
Fri, 24 Jun 2024 22:00:25 GMT
png.latex
latex.codecogs.com/
749 B
998 B
Image
General
Full URL
https://latex.codecogs.com/png.latex?%5Cdisplaystyle%20%5Cmu%20%3D%20%5Csum_%7Bi%3D0%7D%5E%7BN%7D%20%5Cfrac%7Bx_i%7D%7BN%7D
Requested by
Host: rlhfbook.com
URL: https://rlhfbook.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
45.76.230.217 Elk Grove Village, United States, ASN20473 (AS-CHOOPA, US),
Reverse DNS
45.76.230.217.vultrusercontent.com
Software
/
Resource Hash
cf90b4d05f5978036fe6fb8dfadc326c4a8ac8b06164267deb2ae8176957724c

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://rlhfbook.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 24 May 2024 22:00:25 GMT
last-modified
Wed, 22 May 2024 16:30:18 GMT
etag
"296dd37467ad71e52d203bd7f26f6fc7"
access-control-max-age
10
content-type
image/png
access-control-allow-origin
*
cache-control
maxage=2592000
access-control-allow-credentials
true
content-length
749
expires
Fri, 24 Jun 2024 22:00:25 GMT
png.latex
latex.codecogs.com/
477 B
726 B
Image
General
Full URL
https://latex.codecogs.com/png.latex?%5Cdisplaystyle%20y%20%3D%20mx%20%2B%20b
Requested by
Host: rlhfbook.com
URL: https://rlhfbook.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
45.76.230.217 Elk Grove Village, United States, ASN20473 (AS-CHOOPA, US),
Reverse DNS
45.76.230.217.vultrusercontent.com
Software
/
Resource Hash
bf90145139ac33cc3b9ab172fa02982dac0e4b00b8240e5113b8a8d224fb6fcc

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://rlhfbook.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Fri, 24 May 2024 22:00:25 GMT
last-modified
Sat, 18 May 2024 20:54:15 GMT
etag
"a3cde5db95b8c1146074338f4106f4f6"
access-control-max-age
10
content-type
image/png
access-control-allow-origin
*
cache-control
maxage=2592000
access-control-allow-credentials
true
content-length
477
expires
Fri, 24 Jun 2024 22:00:25 GMT
favicon.ico
rlhfbook.com/
9 KB
5 KB
Other
General
Full URL
https://rlhfbook.com/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
185.199.111.153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
cdn-185-199-111-153.github.com
Software
GitHub.com /
Resource Hash
b620507312c5e97566a3c6cfaf99144fefc18a0da7d941401dfa0f5f58fb0368
Security Headers
Name Value
Content-Security-Policy default-src 'none'; style-src 'unsafe-inline'; img-src data:; connect-src 'self'

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://rlhfbook.com/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

x-fastly-request-id
5ae51c5d67c58d3a154630f861c8772988df82bd
content-security-policy
default-src 'none'; style-src 'unsafe-inline'; img-src data:; connect-src 'self'
content-encoding
gzip
via
1.1 varnish
date
Fri, 24 May 2024 22:00:25 GMT
age
0
x-cache
MISS
x-cache-hits
0
content-length
5254
x-served-by
cache-fra-eddf8230067-FRA
server
GitHub.com
x-github-request-id
D748:82627:15476F:15CF5B:66510DF9
x-timer
S1716588026.768046,VS0,VE105
etag
W/"64d39a40-24a3"
vary
Accept-Encoding
content-type
text/html; charset=utf-8
access-control-allow-origin
*
accept-ranges
bytes
x-proxy-cache
MISS

Verdicts & Comments Add Verdict or Comment

0 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

2 Console Messages

Source Level URL
Text
network error URL: https://rlhfbook.com/images/seagull.png
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://rlhfbook.com/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 ()