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Growth · alternatives · 2026

24 alternatives to MX Lookup - CbrTool

Check MX Records for Any Domain Instantly

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Lookup DNS Records for Any Domain Instantly

    Jun 2026 · cbrtool.com · its alternatives →

  2. 2

    Check your DNS MX records

    2017 · mxtoolbox.com · its alternatives →

  3. 3

    DNS record lookups just as you like 'em

    2017 · dnsrecords.io · its alternatives →

  4. 4

    Free AI DNS record diagnostics tool

    2023 · its alternatives →

  5. 5

    A simple and powerful tool for querying DNS records

    2020 · nslookup.io · its alternatives →

  6. 6

    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 →

  7. 7MN

    2013 · shortdomainsearch.net · its alternatives →

  8. 8

    Check domain and compare prices of best registrars

    2022 · goonlinetools.com · its alternatives →

  9. 9

    Check email lists with syntax, MX, and SMTP verification

    Jun 2026 · apify.com · its alternatives →

  10. 10MD

    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 →

  11. 11

    Blazing fast DNS lookup, WHOIS & record check in one tool

    2025 · dnsdigger.xyz · its alternatives →

  12. 12

    Global DNS Propagation Checker minus query logging.

    2021 · dnslookup.in · its alternatives →

  13. 13

    Free diagnostic tools for DNS, email, and network security.

    Apr 2026 · its alternatives →

  14. 14CS

    Hey HN, Last weekend I vibe-coded a cool website that lets you do easy DNS record lookups. I know you can just use dig or nslookup, but oftentimes I'm too lazy to remember the syntax, and there are less technical users who need to manage DNS entries but aren't comfortable with the command line. We debug customer DNS issues often at ImprovMX, and we typically link to tools like mxtoolbox.com to point out DNS record issues. But those tools seem quite bloated and from the 2000s. I wanted something super clean & simple, and there were a few features I thought were ergonomically needed but…

    2025 · inspector.improvmx.com · its alternatives →

  15. 15

    9 free email, DNS, security, SEO and AI-search scanners

    Jun 2026 · edos.com.au · its alternatives →

  16. 16

    Instantly check DNS propagation globally

    May 2026 · saleembaloch.com · its alternatives →

  17. 17

    hey guys, wanted to show one of my side projects i just made public. the idea is basically another osint tool for pentesters and bug bounty hunters. it watches certificate transparency logs and checks newly-seen domains for exposed stuff like .env files, open .git dirs, config files, db dumps and so on, and puts whatever it finds into a searchable db. you just search a domain (or part of one) and see what's exposed. it's read-only and free. one thing i've been thinking about adding is a way to register for certain keywords and get notified when something new shows up for that search. would…

    Jul 2026 · search.cerast-intelligence.com · its alternatives →

  18. 18

    Verify emails instantly in bulk syntax, MX, disposable more

    2025 · verify.udecode.net · its alternatives →

  19. 19

    Detect domain security issues before they hurt your business

    May 2026 · domainscan.tools · its alternatives →

  20. 20

    DNS lookup & propagation checker

    2025 · dnsfinder.org · its alternatives →

  21. 21

    Domain availability checker

    2025 · domainaide.com · its alternatives →

  22. 22

    Bulk DNS, global propagation & email auth in one click

    Jun 2026 · its alternatives →

  23. 23

    Instant Email Verification – Real, Reachable & Secure

    2025 · validate.email · its alternatives →

  24. 24

    Access our comprehensive domain database through a powerful API. Check domain availability and status with simple HTTP requests.

    2017 · domainsdb.info · 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 →