Host Profile
www.bestpractices.dev
fqdnbestpractices.dev
4
IPs
4
Tech
1
Certs
1
Cookies
39
Headers
7
MIME
2
Incoming
0
Outgoing
First Seen
2023-08-02 19:51:49
Last Seen
2026-08-25 22:25:58
Times Seen
30
Registered
2019-02-25 00:00:00
Subdomain
www
IP Addresses
4| IP | ASN | AS Name | Country | First Seen | Last Seen | Seen |
|---|---|---|---|---|---|---|
| 151.101.1.55 | AS54113 | FASTLY | US | 2026-08-23 23:25:03 | 2026-08-25 22:25:58 | 23 |
| 151.101.65.55 | AS54113 | FASTLY | US | 2026-08-24 10:10:51 | 2026-08-25 19:51:47 | 3 |
| 151.101.129.55 | AS54113 | FASTLY | US | 2026-08-23 23:25:08 | 2026-08-24 15:47:56 | 3 |
| 151.101.193.55 | AS54113 | FASTLY | US | 2026-08-24 10:10:51 | 2026-08-24 10:10:51 | 1 |
Technologies
4HSTS (Security)
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
https://www.rfc-editor.org/rfc/rfc6797#section-6.1First2026-08-23 23:25:03
Last2026-08-25 22:25:58
Seen30
First2026-08-23 23:25:03
Last2026-08-25 22:25:58
Seen30

Ruby (Programming languages)
Ruby is an open-source object-oriented programming language.
https://ruby-lang.orgFirst2026-08-25 06:52:05
Last2026-08-25 06:52:05
Seen1
Ruby on Rails (Web frameworks)
Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.
https://rubyonrails.orgFirst2026-08-25 06:52:05
Last2026-08-25 06:52:05
Seen1
Certificates
1Subject CNwww.bestpractices.dev
Subject Orgunknown
Issuer CNYR1
Issuer OrgLet's Encrypt
Valid From2026-07-08 07:07:55
Valid To2026-10-06 07:07:54
Cookies
1| Name | Path | SameSite | Flags | First Seen | Last Seen |
|---|---|---|---|---|---|
| _BadgeApp_session | / | lax | secure, httpOnly, hostOnly | 2026-08-25 06:52:05 | 2026-08-25 06:52:05 |
HTTP Headers
39x-xss-protection x30
age x30
cache-control x30
content-encoding x30
content-length x30
content-type x30
date x30
feature-policy x30
last-modified x29
location x23
nel x30
referrer-policy x30
report-to x30
server x30
accept-ranges x30
vary x30
via x30
x-cache x30
x-cache-hits x30
x-firefox-spdy x30
x-frame-options x30
x-request-id x30
x-runtime x30
x-served-by x30
x-timer x30
set-cookie x1
MIME Types
7Seen 24 times
Seen 24 times
Seen 29 times
Seen 29 times
Seen 24 times
Seen 25 times
Seen 24 times
Relations
redirects to: source redirected the browser to target.
loads from: source loaded scripts, images, stylesheets, fonts, media, or similar resources from target.
calls: source made active requests to target, such as fetch, XHR, beacon, websocket, or eventsource.
embeds: source embedded target in a frame, iframe, object, or embed.
Hosts observed redirecting, loading, calling, or embedding one another.
| Source | Relation | Target | First Seen | Last Seen | Seen |
|---|---|---|---|---|---|
| bestpractices.coreinfrastructure.org | redirects to | www.bestpractices.dev | 2026-08-24 21:29:26 | 2026-08-24 21:29:26 | 1 |
| docs.ropensci.org | loads from | www.bestpractices.dev | 2026-08-24 21:29:26 | 2026-08-24 21:29:26 | 1 |