upset.dev

.dev crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1204 ms crawled 2026-05-18

US · 172.67.68.243 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: upset.dev - A developer platform built to simplify and accelerate your workflow
Description: A collection of open source software, services, and experiments for builders and developers.
Language: en

Technology

CDN: Cloudflare
CMS: Next.js

Third-party hosts loaded (1)

api-upsetdev.reflexapi.net×1

Social

DNS records live

NS

adelaide.ns.cloudflare.com
rory.ns.cloudflare.com

MX

10 in1-smtp.messagingengine.com
20 in2-smtp.messagingengine.com

TXT

google-site-verification=dqcsExvXoQEXyj8_WlM_rwigJi9wgHgzm2gFzJNjviw

Email authentication strong

SPF: v=spf1 include:spf.messagingengine.com ~all
softfail (~all)
DMARC: v=DMARC1; p=reject; rua=mailto:81a5bcf6cf554268adae35128e0a6ad7@dmarc-reports.cloudflare.net
policy: reject (enforced)
DKIM: no key found at common selectors

Certificate (current)

WE1

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

Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://upset.dev/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Links to (14)

Linked from (5)