SMTP Mail Server

Best Alternatives to DNS Checker in 2026

29 top-rated alternatives ranked by similarity score, user rating & price — updated monthly

Showing 29 alternatives to DNS Checker · Ranked by match score

1
SMTP

SMTP

Exceptional Email Deliverability

Onetime(Perpetual License) SMTP Mail Server
3.0 rating · 18 reviews
Match 94%
2
Scala Hosting

Scala Hosting

We Care for Your Digital Future

Yearly,Onetime(Perpetual License) Web Hosting Software
Match 87%
3
Plesk

Plesk

By Plesk

Yearly,Monthly Free trial VPN Service & Software
Match 82%
4
Brevo

Brevo

Grow with our Email Marketing Platform & CRM suite

Yearly,Monthly Marketing Automation Software
Match 75%
5
SendGrid

SendGrid

By SendGrid

Onetime(Perpetual License) Free trial Transactional Email Software
2.9 rating · 656 reviews
Match 68%
6
SMTP2GO

SMTP2GO

Worldwide SMTP Delivery Like a first-class courier, for email.

Yearly,Monthly Free trial Transactional Email Software
4.8 rating · 1048 reviews
Match 58%
7
Gmail

Gmail

By Gmail

Onetime(Perpetual License) Email Marketing Software
5.0 rating · 5 reviews
Match 58%
8
Amazon SES

Amazon SES

By Amazon SES

Onetime(Perpetual License) Transactional Email Software
4.3 rating · 99 reviews
Match 52%
9
MailerSend

MailerSend

By MailerSend

Onetime(Perpetual License) Transactional Email Software
5.0 rating · 1 reviews
Match 50%
10
Mailjet

Mailjet

By Mailjet

Yearly,Monthly Free trial Email Marketing Software
2.7 rating · 566 reviews
Match 50%
11
Moosend

Moosend

The Easiest Email Marketing and Automation Software

Yearly,Monthly Free trial Email Marketing Software
4.5 rating · 245 reviews
Match 50%
12
Elastic Email

Elastic Email

A fresh and modern email delivery platform

Onetime(Perpetual License) Email Marketing Software
4.2 rating · 245 reviews
Match 50%
13
Mailgun

Mailgun

By Mailgun

Onetime(Perpetual License) Free trial Transactional Email Software
4.2 rating · 422 reviews
Match 50%
14
Postmark

Postmark

By Postmark

Onetime(Perpetual License) Free trial Transactional Email Software
4.4 rating · 29 reviews
Match 50%
15
SendinBlue

SendinBlue

By SendinBlue

Yearly,Monthly Email Marketing Software
4.6 rating · 962 reviews
Match 50%
16
Mailtrap

Mailtrap

By Mailtrap

Onetime(Perpetual License) Email Testing Tools
4.1 rating · 7 reviews
Match 50%
17
MailSlurp

MailSlurp

By MailSlurp

Yearly,Monthly Free trial Email Testing Tools
Match 50%
18
Mailshake

Mailshake

By Mailshake

Onetime(Perpetual License) Free trial Sales Engagement Software
4.5 rating · 28 reviews
Match 50%
19
MailChimp

MailChimp

By MailChimp

Onetime(Perpetual License) Free trial Email Marketing Software
5.0 rating · 5 reviews
Match 50%
20
One.com

One.com

Domain Names | Web Hosting | Websites | Email | WordPress

Yearly SMTP Mail Server
Match 50%
21
IONOS

IONOS

Real solutions for real web pros

Yearly,Monthly,Onetime(Perpetual License) Website Builder Software For Mac
Match 50%
22
Aruba AirWave

Aruba AirWave

By Hewlett Packard Enterprise

Yearly,Monthly,Onetime(Perpetual License) POS Software
Match 50%
23
Hostinger

Hostinger

Everything you need to create a website

Yearly,Monthly,Onetime(Perpetual License) Website Builder Software
Match 50%
24
Findymail

Findymail

By Findymail

Yearly,Monthly,Onetime(Perpetual License) Online IDE
Match 50%
25
SalesHandy

SalesHandy

By SalesHandy

Yearly,Monthly Free trial Sales Engagement Software
1.8 rating · 5 reviews
Match 50%
26
Tableau

Tableau

By Tableau

Onetime(Perpetual License) Free trial AI Data Science
4.4 rating · 443 reviews
Match 50%
27
SocketLabs

SocketLabs

By SocketLabs

Onetime(Perpetual License) Free trial Transactional Email Software
4.7 rating · 65 reviews
Match 50%
28
Zuora Analytics

Zuora Analytics

By Zuora Analytics

Onetime(Perpetual License) Subscription Analytics Software
Match 50%
29
Mailosaur

Mailosaur

Test any email, SMS or user action with one API

Yearly,Monthly,Transaction Email Testing Tools
Match 50%

Rankings updated July 2026 · Based on feature overlap, user ratings & pricing

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