existential-risk.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-16 · ok HTTP/1.1 200 416 ms crawled 2026-05-08

US · 172.67.172.201 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Existential Risks: Threats to Humanity’s Survival
Description: Research literature on threats to the survival of our species and other existential risks.
Language: en

Technology

CDN: Cloudflare

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (3)

fonts.googleapis.com×2
fonts.gstatic.com×1
www.googletagmanager.com×1

Registration

Registrar

Cloudflare, Inc.

Created

2006-07-19

Expires

2026-07-19 61 days left

Updated

2025-06-19

Name servers

evan.ns.cloudflare.com
kami.ns.cloudflare.com

DNS records live

NS

evan.ns.cloudflare.com
kami.ns.cloudflare.com

TXT

google-site-verification=NrezKIWJpbAZBfxQwta4fsZCa6ORSQOz2MraUqjOySw

Email authentication no MX

SPF

v=spf1 -all

strict (-all)

DMARC

v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

policy: reject (enforced) · sp=reject

DKIM

default: v=DKIM1; p=
google: v=DKIM1; p=
selector1: v=DKIM1; p=
selector2: v=DKIM1; p=
k1: v=DKIM1; p=
k2: v=DKIM1; p=
mail: v=DKIM1; p=
dkim: v=DKIM1; p=
s1: v=DKIM1; p=
s2: v=DKIM1; p=
mxvault: v=DKIM1; p=
smtpapi: v=DKIM1; p=

selectors probed

Certificate (current)

WE1

from 2026-04-18 to 2026-07-17

Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://existential-risk.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