mentalfaculty.com

.com crawl

First seen 2026-05-06 · Last seen 2026-05-13 · ok HTTP/1.1 200 1090 ms crawled 2026-05-13

US · 104.21.44.197 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: The Mental Faculty — The studio of thoughtful software
Description: The Mental Faculty B.V. designs and builds careful tools for macOS and iOS. More than twenty years of thoughtful apps for thoughtful people, including Agenda, Studies, Keytakes, Glisten, and Ensembles.
Language: en
Canonical: https://mentalfaculty.com/

Open Graph

url: https://mentalfaculty.com/
title: The Mental Faculty — The studio of thoughtful software
site name: The Mental Faculty
description: Thoughtful apps for thoughtful people. The Mental Faculty B.V. has been crafting careful tools for macOS and iOS for more than twenty years.

Technology

CDN: Cloudflare

Social

Registration

Registrar

Tucows Domains Inc.

Created

2009-01-29

Expires

2027-01-29 255 days left

Updated

2026-04-29

Name servers

autumn.ns.cloudflare.com
dilbert.ns.cloudflare.com

DNS records live

NS

autumn.ns.cloudflare.com
dilbert.ns.cloudflare.com

MX

10 aspmx1.migadu.com
20 aspmx2.migadu.com

TXT

hosted-email-verify=e07vuhd8
brevo-code:fe9f58ca04bed7afaf30cd5693e43c40
google-site-verification=D6bSXwxF4ewulfjtGrhEQdBkB8uAamSO3vYFxeLv0WM

Email authentication partial

SPF

v=spf1 include:spf.migadu.com -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

policy: none (monitoring only)

DKIM

mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

WE1

from 2026-04-29 to 2026-07-28

Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://mentalfaculty.com/

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff