# MxToolbox review (2026): is the free plan enough? > Email and DNS lookups plus blacklist and DMARC monitoring Checked Nov 12, 2026 ยท graded Nov 12, 2026 by ToolGPA. MxToolbox is known for its web lookup tools for MX records, blacklists, DNS and email headers. Its Delivery Center product adds inbox placement analysis, DMARC reporting, SPF, DKIM and BIMI management, and monitoring of sending IPs against blacklists. A free plan covers weekly blacklist monitoring of one domain, and a managed service handles reputation and DMARC enforcement for a customer. - **Category:** Email Verification & Deliverability - **Made by:** MXToolBox, Inc - **Website:** https://mxtoolbox.com - **Runs on:** Web - **Who should skip it:** Pricey if you are one person: the first paid plan is $129 a month. - **Facts last checked:** Nov 12, 2026 ## Pricing As of Nov 12, 2026, MxToolbox has a free plan, and paid plans start at $129 per month. - **Pricing model:** Free plan - **Free plan:** Weekly blacklist monitoring for 1 domain. - **Free trial:** None listed. | Plan | Price | What you get | | --- | --- | --- | | Free | $0 | Blacklist monitoring, run weekly, for 1 domain. | | Delivery Center | $129 per month for 5 domains and 500,000 messages (billing basis not shown) | 30 inbox placement analyses a month, complaint reporting, DMARC reports, SPF/DKIM analysis, BIMI management, impersonation protection, mailflow monitoring. | | Delivery Center Plus | $399 per month for 5 domains and 5M messages (billing basis not shown) | 100 inbox placement analyses a month, plus advanced delivery threat tools and SPF flattening on top of Delivery Center. | Read from https://mxtoolbox.com/c/mxtoolboxproducts on Nov 12, 2026. Prices change, so confirm with MxToolbox before buying. ## Key features - **Inbox placement analysis:** Checks a campaign for placement at inbox providers such as Google and Outlook.com and reviews it against Google, Microsoft and Yahoo bulk sender requirements. - **Adaptive blacklist monitoring:** Monitors sending IP addresses, including third-party senders, against more than 100 blacklists. - **DMARC, SPF and DKIM management:** Analysis and management tools for moving to a reject policy, adopting BIMI and watching compliance. SPF flattening is on the Plus plan. - **Recipient complaints:** Pulls feedback from Google Postmaster Tools, feedback loops and other complaint mechanisms. - **Mailflow monitoring:** Round-trip monitoring of sending and receiving latency with alerts based on thresholds. - **Managed services:** A done-for-you service covers inbox placement, blacklist monitoring, SPF/DKIM setup and DMARC enforcement. ## Good for - Admins who want free lookups and one monitored domain at no cost - Senders tracking blacklist status and inbox placement together - Companies that would rather have a managed service handle DMARC ## Worth knowing - The free plan monitors one domain, weekly; inbox placement and DMARC reports are paid. - Both paid plans cover 5 domains; Plus raises the message volume, not the domain count. - The page shows a monthly price and does not say whether it is billed monthly or annually. - Managed services pricing is not listed. ## ToolGPA grades **GPA: 2.0 out of 4**, graded Nov 12, 2026. MxToolbox watches blacklists, DMARC, SPF and mailflow for a domain. The free plan is weekly blacklist checks for 1 domain, the first paid plan is $129 a month for 5 domains, and inbox placement and DMARC reports only come with paid plans. - **Value for money: D.** Delivery Center is $129 a month for 5 domains and Plus is $399, above the $99 where the dearest tenth of deliverability tools starts. The page does not say if it is billed monthly or yearly. - **Free plan and trial: C.** Free is weekly blacklist monitoring for 1 domain. Inbox placement, DMARC reports and anything beyond that are paid. - **Features: B.** Inbox placement, blacklist monitoring, DMARC, SPF and DKIM management, complaints and mailflow in one place. It covers a wide job, and managed services are not priced. - **Ease of use: C.** No store rating on record. You add domains and records and read the monitors, so there is setup. - **Platforms and integrations: C.** Web only. Google Postmaster Tools is the one integration listed. These are ToolGPA's own grades. Graded from this listing, whose facts were read from MxToolbox's own pages on 12 November 2026. Not based on using the product, and shorter than our full reviews. ## Where it stands among email verification and deliverability tools - MxToolbox's GPA of 2.0 is higher than 8 of the 61 other email verification and deliverability tools we grade, and level with 14. - It stands best on features (B, above 46 of 61) and worst on value for money (D, above 0). - Its paid plans start at $129 a month, against a middle price of $21.50 for the category: 40 of the 43 others that charge start lower. - On features, ease of use and platforms it scores 2.3 out of 4. 8 tools score higher and cost less. The category's chart of price against score: https://toolgpa.com/charts/email-deliverability ## Keep it, or make your own? **Keep it.** The plain part of MxToolbox you could make: reports. What surrounds it you could not. The 3 things listed below take a company, not a weekend. That makes this kind of software worth paying for, not this one in particular: 39 of the 61 other email verification and deliverability tools grade higher. It costs $1,548 a year. - You could make: Reports: an app builder makes this well. - You could not: Reading the reports inbox providers send about your domain. - You could not: It plugs into other products, Google Postmaster Tools among them, and has an API. - You could not: The depth: we grade its features B, which means it covers the whole job. A judgement by ToolGPA from this listing, by rules that are the same for every tool. Nothing was built to test it. ## Works with Google Postmaster Tools **Tags:** DMARC, Reports, Public API ## Alternatives - [GlockApps](https://toolgpa.com/tools/glockapps): Inbox placement testing with DMARC analytics and uptime monitoring. [Compare](https://toolgpa.com/compare/glockapps-vs-mxtoolbox) - [dmarcian](https://toolgpa.com/tools/dmarcian): DMARC report processing and policy deployment, by a spec co-author. [Compare](https://toolgpa.com/compare/dmarcian-vs-mxtoolbox) - [EasyDMARC](https://toolgpa.com/tools/easydmarc): DMARC setup, reporting and managed SPF, DKIM and BIMI records. [Compare](https://toolgpa.com/compare/easydmarc-vs-mxtoolbox) - [PowerDMARC](https://toolgpa.com/tools/powerdmarc): DMARC reporting with hosted SPF, DKIM, BIMI and MTA-STS records. [Compare](https://toolgpa.com/compare/mxtoolbox-vs-powerdmarc) - [Dmarcly](https://toolgpa.com/tools/dmarcly): DMARC monitoring with a dashboard, SPF flattening and alerts. [Compare](https://toolgpa.com/compare/dmarcly-vs-mxtoolbox) ## Sources The prices, plans, platforms and features above were read from these pages on Nov 12, 2026: - https://mxtoolbox.com/c/mxtoolboxproducts Page: https://toolgpa.com/tools/mxtoolbox Listed by ToolGPA (toolgpa.com).