Dev tools · alternatives · 2026
24 alternatives to Validate SPF
Validate Your Domain’s SPF Records
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Validate SPF launched in 2023; newer entries below may have overtaken it.
- 1
Lookup SPF Record and fix deliverability issues
2024 · mailmodo.com · its alternatives →
- 2
Your SPF configuration set right (RFC 7208)
2022 · senderpolicyframework.com · its alternatives →
- 3
Verify your DMARC, DKIM, and SPF settings with our free checker. Prevent bad actors from impersonating your domain and improve email deliverability.
2024 · dmarcchecker.app · its alternatives →
- 4TW
2020 · webdatarender.com · its alternatives →
- 5
- 6MD
Hi HN, This is a project [1] I've been working on for a little while and I'm interested in your feedback and point of view. Many of us would have verified a domain name by pasting a string into a DNS TXT record. Some providers ask us to store this DNS TXT record at a domain using a DNS label like "_provider" e.g. _provider.yourdomain.com, and some providers ask that you do it at the zone apex (God help us [2]). The Domain Verification protocol stores a DNS TXT record at a DNS name derived from a hashed "verifiable identifier" (think email, telephone, DID), enabling anyone that can prove…
2023 · domainverification.org · its alternatives →
- 7
Boost SEO with One-Click Schema & Rich Results Testing
2023 · sproutseo.io · its alternatives →
- 8
Validates regex, typos, disposable, dns and smtp. Contribute to mfbx9da4/deep-email-validator development by creating an account on GitHub.
2020 · github.com · its alternatives →
- 9
Kit.domains▲198Hello Hacker News community, We are excited to announce the launch of KIT.DOMAINS, our new tool designed to simplify the management and monitoring of domains. KIT DOMAINS is a convenient and reliable solution for tracking the status of your domains and SSL certificates. With KIT DOMAINS, you will receive timely notifications about expirations and emerging issues, ensuring your sites remain operational and secure. Key features: - Expiration Tracking: Monitor the expiration dates of your domains to prevent accidental lapses. - SSL Certificate Monitoring: Keep your SSL certificates up-to-date…
2024 · kit.domains · its alternatives →
- 10
A real customer starts with a real email
2017 · weblegit.com · its alternatives →
- 11
Hi HN – Kristyna here. I built this free, online email validator and would love to share it with you. What it checks: - Syntax – Confirms correct proper email format. - Domain & DNS – Verifies the domain exists and resolves. - MX records – Verifies the domain can receive mail. - SMTP handshake (optional) – Checks the mail server accepts the recipient (no message is sent). - Disposable domains – Flags temporary inbox providers that can hurt deliverability lists. - Common typos – Catches mistakes and suggests fixes. How it works: Paste an email > click Validate > get a clear result with…
Feb 2026 · sidemail.io · its alternatives →
- 12
Folderly Lens ▲107Domain health analysis for high performance email campaigns
Jul 2026 · lens.folderly.com · its alternatives →
- 13
Mentally computable verification codes for email aliases implemented as a postfix tcp table; uses asyncio. - m3047/trualias
2019 · github.com · its alternatives →
- 14
DNS record lookups just as you like 'em
2017 · dnsrecords.io · its alternatives →
- 15
sproof sign▲80Signing made easy and safe | 100% made for Europe
2021 · sign.sproof.com · its alternatives →
- 16
Free json-ld & schema.org validator tool
Nov 2025 · schemavalidator.com · its alternatives →
- 17
Free dmarc, spf & dkim analyzer tools
Nov 2025 · emailinspect.com · its alternatives →
- 18
9 free tools to keep your email out of spam
Aug 2026 · truelist.io · its alternatives →
- 19
Free diagnostic web tool for your product images
2022 · image-validator.com · its alternatives →
- 20
A full-featured schema.org rich cards validation tool
2020 · redirection.io · its alternatives →
- 21
Instant Email Verification – Real, Reachable & Secure
2025 · validate.email · its alternatives →
- 22
Email authentication & deliverability checker
2025 · emailauth.app · its alternatives →
- 23
Cold Email Validation Tool with Full Source Code
Nov 2025 · its alternatives →
- 24
Cross-platform CLI tool to validate configuration files across 18 formats. Syntax and schema validation with JSON Schema, XSD, and SchemaStore integration. Written in Go. - Boeing/config-file-validator
2023 · github.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →