
CertChime
CertsMonitor
CertPilot.app
Nyrolo
TokenTimer.ch
Cert Monitor
Whats My DNS
Monitor SSL certificates, domain expiry, and DNS/DNSSEC across all your sites. Track every DNS record change and get alerted on Slack, email, or webhook before anything lapses — so you never find out from your customers.

Whats My DNS
MxToolBox
DNS Checker Tool
ViewDNS.info
NsLookup.io
DNS Propagation Check
DNSMap
Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.

Which is more popular?
Based on our record, DNSChecker.org seems to be more popular. It has been mentioned 143 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | certly.dev | dnschecker.org |
| Pricing | ||
| Company | — | 2012 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Certly.dev yet.
DNS Propagation checker with over 100+ Pubic DNS Servers available in General and Country listings to check Live DNS Propagation results. More tools including WhatsMyIP, IP Geo Location, Email Headers, IP Blacklist Checker, MX Check, and more SEO tools also available.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
DNSChecker.org is recommended for website administrators, IT professionals, and developers who need to verify and troubleshoot DNS propagation issues. It's also useful for anyone needing to check DNS configurations quickly across various geographic locations.
Walkthroughs and reviews on video.
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DNS checker tutorial
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Certly.dev and DNSChecker.org. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Certly.dev yet. Be the first one to post
The best website so far, that provides detailed propagation results, compared to any other online similar tool. Highly recommended!
Recommendations tracked on public social media and blogs since March 2021.


Tracking Certly.dev since Jun 2026.
Https://dnschecker.org/#A/motherless.com. - Source: Hacker News / 2 months ago
There are many; I often use . - Source: Hacker News / 3 months ago
Just wondering what happened to it as the DNS is no longer being resolved anywhere in the world: https://dnschecker.org/#A/pinboard.in. - Source: Hacker News / 3 months ago
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All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.
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