Test any domain or email address in one click. We audit MX redundancy, SPF lookup limits, DKIM public keys, DMARC enforcement, and DNSBL IP blacklists in real time and calculate your 0–100 Deliverability Score.
Checks whether your domain publishes redundant Mail Exchange servers on a reputable provider and resolves your primary mail server IP.
Validates your v=spf1 TXT record, checks for strict -all or ~all enforcement, and counts DNS mechanisms against RFC 7208's 10-lookup ceiling.
Inspects _dmarc.yourdomain to verify whether spoofed emails are actively blocked (p=reject or p=quarantine) and whether RUA reporting is enabled.
Probes standard DKIM selectors (google, selector1, default, k1, s1, mail, zoho) or your custom selector to confirm cryptographic signing.
Queries major real-time blackhole lists (Spamhaus ZEN, SpamCop, Barracuda, SORBS) against your mail exchanger IP.
Even an A+ domain lands in spam if its hard bounce rate exceeds 2%. Pair domain authentication with our Bulk Email Verifier.
Our email deliverability test audits MX record redundancy, SPF authorization and DNS lookup counts, DMARC policy enforcement, DKIM public key selectors, and DNSBL blacklist status of your mail server IP.
DNS records only prove your domain identity. Gmail, Outlook, and Yahoo also track your hard bounce rate and spam trap hits. Clean your list before sending using our Bulk CSV & Excel Cleaner or test individual recipients with our Single Email Verifier.
Run a test above and copy the generated HTML badge snippet at the bottom of your audit report. It displays a live SVG security badge linking to your domain's verification certificate.