Nicheloom visits: 58,050 all-time · 7,694 in the last 7 days

The opportunity tracker for new startups.

Today: 1,953 launches · Niche of the day: specialized calculation tools · See what launched today →

DomainCat

SSL and domain monitoring that checks behind Cloudflare

Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.

Want to reach these readers? Sponsor an issue.

Watches SSL certs, domain expiry, DNS, SPF/DKIM/DMARC and blacklists. Behind Cloudflare? Point it at your origin and it checks the cert browsers never see. Free checker at check.domaincat.app, no signup. Ask Claude what's expiring via the MCP connector. Free for 5 domains.

PH · launched Nov 7, 2026 · 1 upvote (top 65%) · 0 views

Niche: network monitoring and diagnostics tools · 193 launches, 11 in the last 7 days ▼ -35% · Explore this niche →

Category and tags
  • Horizontal
  • Observability & eval
  • Developer
  • Not AI
  • Commercial product
  • SaaS
  • Developer Tools
  • Security

Visit website ↗ Source listing ↗

More like this: all 193 launches in network monitoring and diagnostics tools →

Could you build this?

Yes The product checks SSL certificates, DNS records, domain expiry, email auth records, and blacklists, all of which use public protocols and APIs. The MCP connector is a thin wrapper around the same backend.

Competitors

Other products that read as similar to this one : 405 launches clear the similarity bar, closest 8 shown.

Attention rank: #181 of 406 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 371 days after the earliest competitor.

  • WebChecker · ph · 2026-11-14 · 2 upvotes · similarity 0.64
  • dnsdon · ph · 2026-10-28 · 1 upvotes · similarity 0.64
  • ExpiryOwl · ph · 2026-10-09 · 2 upvotes · similarity 0.62
  • Prime Dev Force Security · ph · 2026-11-06 · 1 upvotes · similarity 0.60
  • Mailradar360 · ph · 2026-10-19 · 1 upvotes · similarity 0.58
  • MailSenpai DNS Check · ph · 2026-10-13 · 1 upvotes · similarity 0.58
  • CertAvert · ph · 2026-09-29 · 1 upvotes · similarity 0.58
  • Preventionlabs · ph · 2026-10-11 · 1 upvotes · similarity 0.57

Related data

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.