Land in inboxes, not spam folders.
SPF, DKIM, and DMARC graded in one pass — plus continuous DMARC report monitoring and blocklist checks, so deliverability problems surface before your users stop hearing from you.
Four steps. One pasted URL away.
- 01
Scan your domain
SPF, DKIM, and DMARC records are resolved, parsed, and graded — not just "present/absent".
- 02
Misconfigurations explained
A too-loose SPF or a p=none DMARC gets a concrete, copy-paste record to fix it.
- 03
DMARC reports monitored
Point your DMARC rua at CheckVibe and aggregate reports are parsed and summarized for you.
- 04
Blocklists watched
Your sending reputation is checked against major blocklists on every scan.
Built by people who shipped vibe-coded apps and broke them.
Spoofing protection graded
DMARC alignment and policy strength scored the way mailbox providers actually evaluate them.
Copy-paste DNS fixes
Every email finding ships the exact TXT record to publish — no RFC reading required.
Report inbox included
No third-party DMARC analytics subscription needed — reports land in your CheckVibe dashboard.
Watched continuously
Record drift and new blocklist hits trigger alerts before deliverability craters.
Grade your email setup. Free until you find something.
Grade your email setupKeep exploring.
Paste any URL — production app, staging build, vibe-coded prototype.
One scan grades both halves of being found in 2026: classic search (SEO — 68 checks on indexability, metadata, structured data, content, and Core Web Vitals) and AI answer engines (AEO — 46 checks on whether ChatGPT, Claude, Perplexity, and Google AI can crawl, parse, and cite your site).
Every CheckVibe finding ships with a copy-paste prompt engineered for Claude, Cursor, and Windsurf — context, file paths, the exact diff.
Watch the traffic hitting your live app, classify suspicious patterns, and surface real threats — credential stuffing, scraping, prompt-injection probes — without flooding your inbox with noise.
Set a project up once.
Branded, executive-style PDFs and shareable dashboards for stakeholders, clients, and security reviewers — without writing a single sentence yourself.
Plug CheckVibe into Claude Desktop, Cursor, or any MCP-compatible client.
Synthetic lab runs and real-user CrUX data, side by side for every vital.
Cookie consent, privacy policy, terms, and GDPR signals — audited on your live site, tracked over time, and explained in plain language.
Automated WCAG 2.
Domain expiry, DNS hygiene, nameserver health, and TLS certificates — monitored continuously, with alerts long before anything bites.