Domain & DNS
Check the records that decide whether mailbox providers can trust your domain.
Cold Email Deliverability Checker
Check MX, SPF, DMARC, BIMI, SMTP reachability and public blocklists for a sending domain.
Open toolSPF Checker
Find your SPF record, count DNS lookups and flag syntax problems.
Open toolDMARC Checker
Read a DMARC record and see the policy, reporting and alignment tags.
Open toolDMARC Generator
Build a valid DMARC TXT record in your browser and copy it to DNS.
Open toolDKIM Checker
Look up a DKIM selector and see its TXT or CNAME record.
Open toolCopy & lists
Review copy and clean lists before they reach a campaign.
Cold Email Content Risk Checker
Spot links, wording and formatting that make cold email copy look risky.
Open toolEmail Subject Line Tester
Check length, mobile truncation, capitals, punctuation and personalization.
Open toolCSV Email Cleaner
Trim, lowercase, dedupe and syntax-check emails in a CSV, locally.
Open toolCold Email Sequence Generator
Draft a 2–4 step cold email sequence with AI, then edit and copy it.
Open toolPlanning
Size mailboxes and timelines before you launch.