# NewsletterDeliverabilityKit alternatives

> There are three ways to get checks bulk-sender rules, SPF lookups, ESP includes, DKIM, DMARC, BIMI, MX and blocklists, with an ESP-specific DNS fix pack: do it by hand with a browser and developer tools (free, manual), use NewsletterDeliverabilityKit (free scan with the full result, paid plans from $4.99), or buy a broader website audit and SEO tools platform (wider coverage, priced per vendor). NewsletterDeliverabilityKit fits newsletter operators on Substack, Beehiiv, Kit, Ghost and HubSpot who want the answer in minutes without a sales call.

| What you need | NewsletterDeliverabilityKit | Do it yourself | Broader website audit and SEO tools platforms |
|---|---|---|---|
| Cost | Free scan with the full result; fix pack and monitoring from $4.99 | Free | Varies by vendor; check their sites |
| What it checks | 14 checks: Gmail/Yahoo bulk-sender DNS basics (SPF + DKIM + DMARC), Email provider authorized in SPF, Exactly one SPF record, SPF under the 10 DNS-lookup limit (recursive), SPF ends with ~all or -all (or redirects), DKIM published for your sender, … | Whatever you know to look for | Usually a broad suite of checks |
| Time | Under a minute per site | Often an hour or more per site | Setup and onboarding first |
| Fixes | Plain-English explanation per check; copy-paste fix pack | You write them | Varies by vendor |
| Monitoring | Optional scheduled re-checks with email on change | Repeat by hand | Usually included |
| Changes to your site | None: read-only, nothing to install | None | Some require a tag, plugin or agent |
| Best when | You are newsletter operators on Substack, Beehiiv, Kit, Ghost and HubSpot and want a quick, specific answer | A one-off check by someone technical | You need an enterprise-wide platform |

- [PodcastFeedAudit](https://zalwin.com/podcastfeedaudit): Podcast RSS feed validation
- [PodcastSponsorRadar](https://zalwin.com/podcastsponsorkit): Sponsor links, promo codes, affiliate tags and ad-attribution trackers from public podcast RSS show notes
- [HreflangAudit](https://zalwin.com/hreflangaudit): Hreflang check across up to 12 language versions: valid codes, x-default, return links, alternate status and canonical conflicts
- [MigrationRedirectAudit](https://zalwin.com/migrationredirectaudit): Tests old URLs from a sitemap after a site move: 404s, 302s, redirect chains and soft-404 home redirects, with a redirect map
- [SaasOnboardingLeakAudit](https://zalwin.com/saasonboardingleakaudit): Passive signup/login/pricing read: form fields, SSO, card walls, phone and qualification fields, quickstart docs
- [StrikeDistanceSeoKit](https://zalwin.com/strikedistanceseokit): Target-keyword fit for striking-distance pages: title, H1/H2, intro, depth, internal anchors, FAQ schema, freshness
- [ColdEmailDomainWarmerAudit](https://zalwin.com/coldemaildomainaudit): Secondary sending-domain SPF, DKIM, DMARC, redirect and blocklist check with copy-paste DNS setup records
- [AccessPulse](https://zalwin.com/accesspulse): ADA/EAA website accessibility risk scan with copy-paste fixes

**Is NewsletterDeliverabilityKit free?** Yes: the scan and its full result are free without an account. The copy-paste fix pack and scheduled monitoring are paid, from $4.99.

**What is the free alternative to NewsletterDeliverabilityKit?** Check the same items by hand with your browser's developer tools and the page source. NewsletterDeliverabilityKit runs the checks automatically and explains each result.

**When is a broader website audit and SEO tools platform a better fit?** When you need many data types or checks in one contract and have budget for it. NewsletterDeliverabilityKit does one job; compare features and prices on each vendor's own site.

Source: https://zalwin.com/compare/newsletterkit-alternatives