z50.info

Easy and lightning-fast network diagnostics utility.

Developer Tools

Estimated origin: Japan

Added July 4, 2026 · Last analysed July 4, 2026 · via · 50% unique tagline

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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 4 July 2026; the live site may have changed since.

z50.info is missing several launch fundamentals. Main gaps: missing several security headers, incomplete legal pages, and no robots.txt.

Launched on Product Hunt on July 4, 2026. The site is hosted on Xserver and served through Cloudflare. Our crawler found 6 technologies on this site, covering CDN, directory, DNS providers, and hosting. The stack includes Cloudflare, Cloudflare Bot Management, and nginx.

It's also one of only 22 launches we've crawled running Xserver.

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

2.2

StackScope Score

Poor

41/100 Launch Readiness

Partially ready

0/6 Security Headers

Poor

0/3 Legal

Missing

1/2 Crawl files

Partial

81/100 Performance

Fast

Vibe Score 0 · No AI signals

How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (6)

Infrastructure

CDN	Cloudflare
DNS	Xserver DNS
Hosting	Xserver
Security	Cloudflare Bot Management
Server	nginx

Other

Directory	Product Hunt

Infrastructure

Network

XSERVER - Xserver Inc., JP

AS131965 · JP

DNS

Xserver DNS

Authoritative nameserver

DNSSEC

Not enabled

DNS responses unsigned. Cache-poisoning vulnerable.

Green hosting

Not green hosted

No green-energy record. Data from The Green Web Foundation.

SSL Certificate

Let's Encrypt

Valid 10 Jun 2026 to 8 Sep 2026

Certificate as captured in this snapshot, not a live check.

Email Security

✓

SPF ~all Soft-fail (~all). Common and accepted.

DKIM Not detected at common selectors. Your provider may use a custom one.

✗

DMARC p=none None (p=none). Monitoring only.

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)

Name	Lifetime	Detected as
__cf_bm	< 1h	Cloudflare

Readiness Breakdown How?

⚠

Custom title and meta description (partial) missing meta description

✓ Responsive viewport meta tag

✓ Favicon present

- Open Graph tags (title, image, description)

- Canonical URL declared

- Twitter card meta tags

- Semantic HTML (nav, main, article)

Performance How?

2138 ms Server response

2% Faster than peers

1668 ms Largest contentful paint

0.00 Cumulative layout shift

720 KB Page weight

717 KB Image weight

2 Third-party domains

0 Console errors

0 Failed requests

⚠ 2 images: 1 oversized, 1 without width/height, 1 missing alt text

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

AI Stance

No AI stance declared

✗ llms.txt published

✓ No AI bots blocked in robots.txt

Content-Signal

? No directive declared

Link headers

? None advertised

Well-Known Files

✗ robots.txt

✓ sitemap.xml (13 URLs)

✗ security.txt

✗ llms.txt

✗ ads.txt

✗ humans.txt

Legal

? Privacy Policy not detected

? Terms of Service not detected

Detection works best on English language sites.

Security Headers (0/6)

✗

Referrer-Policy

✗

X-Frame-Options

✗

Permissions-Policy experimental (check browser support)

✗

X-Content-Type-Options

✗

Content-Security-Policy

✗

Strict-Transport-Security

–

X-XSS-Protection deprecated (use Content-Security-Policy)

Build

0 JS files

0 CSS files

2 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.