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Pedantic.run

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pedantic.run · Added June 20, 2026 · Last analysed June 20, 2026 · via Hacker News · 67% unique tagline

StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 20 June 2026; the live site may have changed since.

Pedantic.run is partway there, with fast page loads. Visible gaps: missing Permissions-Policy and Strict-Transport-Security, incomplete legal pages, and no sitemap.

Launched on Hacker News on June 20, 2026. The site is hosted on Fly.io in the United States, with a domain registered 4 days before launch. The crawl picked up 3 technologies on this site, covering CSS frameworks, DNS providers, and hosting. The stack includes Tailwind CSS, DNSimple, and Fly.io.

For context, it's one of 39 launches on this exact stack and more locked down than the typical Hacker News launch.

If you own this site, refresh the snapshot and see the full fix list any time →

Vibe Score 5 · Few AI signals
Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (3)

Infrastructure
DNS DNSimple
Hosting Fly.io
Build & Framework
CSS framework Tailwind CSS

Infrastructure

Network
AS40509 · US
DNS
DNSimple
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Let's Encrypt
Valid 19 Jun 2026 to 17 Sep 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
5 days
Registered Jun 2026 · Key-Systems, LLC

Email Security

SPF Not published. Your domain can be spoofed in phishing emails.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC Not published. Receivers fall back to permissive defaults.
?
MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.
?
TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Storage (1)

Cookies (1)
NameLifetimeDetected as
_pedantic_run_key session -

Readiness Breakdown How?

Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)
- Custom title and meta description
- Open Graph tags (title, image, description)
- Canonical URL declared
- Twitter card meta tags

Performance How?

147 ms Server response
82% Faster than peers
440 ms Largest contentful paint
0.00 Cumulative layout shift
72 KB Page weight
0 Console errors
0 Failed requests

Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.

Vibe Score Breakdown How?

SignalPoints
AI writing signals +5

This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.

AI Stance

No AI stance declared
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

sitemap.xml
security.txt
llms.txt
ads.txt
humans.txt
? Privacy Policy not detected
? Terms of Service not detected
Detection works best on English language sites.

Security Headers (4/6)

X-Frame-Options via CSP frame-ancestors
Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

1 JS files
1 CSS files
0 Third-party domains
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.