DNS
DNS Zone Checker
Check common DNS records and compare public resolver answers.
Open checkerInsertDomainHere Tools
Useful checks for people who have broken things professionally.
Practical where it matters, slightly judgemental where it helps.
Live now
Small tools with suspiciously strong opinions.
Email
Email DNS Checker
Quickly review MX, SPF, DMARC, and a default DKIM selector.
Open checkerCopy
Placeholder Text Checker
Paste copy and see whether draft leftovers are still clinging on.
Open checkerComing next
Still useful, increasingly nosy.
The next additions should inspect redirects, headers, and other places where avoidable nonsense likes to hide.
- Header & redirect checker
- DNS propagation snapshot
- WWW / non-WWW sanity check