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Calamus

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usecalamus.com · Added June 10, 2026 · Last analysed June 10, 2026 · via · 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 10 June 2026; the live site may have changed since.

Calamus still has work before launch. Worth fixing first: missing several security headers, incomplete legal pages, and no robots.txt or sitemap.

Launched on Product Hunt on June 10, 2026. The site is hosted on Amazon.com in the United States, with a domain registered 4 weeks before launch. The crawl picked up 8 technologies on this site, covering DNS providers, business email, transactional email, and web fonts. The stack includes GoDaddy DNS, Google Fonts, and Google Search Console.

For context, it's running the same core stack as 892 other launches.

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

Vibe Score 93 · Strong AI signals
Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (8) · Indie stack

Infrastructure
DNS GoDaddy DNS
Hosting Netlify
Security HSTS
Email
Business email Google Workspace (2)
Transactional email Resend
Build & Framework
Font Google Fonts
Package CDN jsDelivr
Analytics & Marketing
SEO Google Search Console

Infrastructure

Network
AS16509 · US
DNS
GoDaddy DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Let's Encrypt
Valid 8 May 2026 to 6 Aug 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
1 month
Registered May 2026 · GoDaddy.com, LLC

Email Security

SPF ~all Soft-fail (~all). Common and accepted.
DKIM Detected via known email provider
DMARC p=quarantine Quarantine (moderate)
?
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 (0)

This site uses no client-side storage we could detect on page load.

Readiness Breakdown How?

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

Performance How?

775 ms Server response
18% Faster than peers
320 ms Largest contentful paint
0.04 Cumulative layout shift
44 KB Page weight
3 Third-party domains
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 copy signals +5
AI onboarding signals +5
AI writing signals +5
AI code-structure signals +5
AI scaffolding signals +8
Recognised AI builder signature +30
AI CSS signals +15

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

robots.txt
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 (1/6)

Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

HTML minified
CSS minified
JS minified
0 JS files
3 CSS files
3 Third-party domains

Brand Colours

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.