Email Checker Website Semrush //top\\ May 2026

// MX records check async function checkMXRecords(domain) return new Promise((resolve) => dns.resolveMx(domain, (err, addresses) => if (err ); );

.check-status.failed background: #fee2e2; color: #991b1b;

.example-buttons display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; email checker website semrush

.recommendation background: #fef3c7; padding: 15px; border-radius: 10px; border-left: 4px solid #f59e0b;

// Main email verification endpoint app.post('/api/check-email', async (req, res) => ); if (err )

const isDisposable = disposableDomains.includes(domain.toLowerCase());

.results.show display: block; animation: fadeIn 0.5s; .check-status.failed background: #fee2e2

.check-title font-weight: 600; margin-bottom: 10px; color: #333;