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Toukir's Email Toolbox
24 free tools to fix email deliverability and DNS
Cold email breaks in the same places every time — a broken SPF record, too many DNS lookups, a DMARC policy that enforces nothing, a domain quietly on a blocklist. No signup, no limits, no data stored. Most checks resolve straight from your browser.
I build and repair cold email infrastructure for a living, and I kept writing the same throwaway scripts — expand an SPF record and count the lookups, find a DKIM selector without being told what it is, read the DMARC XML that piles up in a mailbox nobody opens.
So I turned them into 24 tools and put them online for free. No signup, no rate limits, nothing stored. Most run in your browser over DNS-over-HTTPS, so what you type never reaches my server.
The one I use most is the SPF lookup counter — the 10-lookup limit silently breaks authentication and almost nothing tells you you've crossed it.
Happy to run a check on any domain in the comments and explain what's wrong. Curious which tools people find missing.
About Toukir's Email Toolbox on Product Hunt
“24 free tools to fix email deliverability and DNS”
Toukir's Email Toolbox was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #26 on the daily leaderboard. Cold email breaks in the same places every time — a broken SPF record, too many DNS lookups, a DMARC policy that enforces nothing, a domain quietly on a blocklist. No signup, no limits, no data stored. Most checks resolve straight from your browser.
On the analytics side, Toukir's Email Toolbox competes within Email, Email Marketing and Marketing — topics that collectively have 538.1k followers on Product Hunt. The dashboard above tracks how Toukir's Email Toolbox performed against the three products that launched closest to it on the same day.
Who hunted Toukir's Email Toolbox?
Toukir's Email Toolbox was hunted by Toukir Ahmed. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Toukir's Email Toolbox including community comment highlights and product details, visit the product overview.
Toukir Ahmed