diff --git a/DEVTools.md b/DEVTools.md
index cd11e83b2..98d74b660 100644
--- a/DEVTools.md
+++ b/DEVTools.md
@@ -422,7 +422,7 @@
 * [Meta Tag Gen](https://lewdev.github.io/apps/meta-tag-gen/) or [MetaTags](https://metatags.io/) - Meta Tag Generator
 * [Multiple IP / Network Tools](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/storage#wiki_ip_.2F_network_tools)
 * [Domain Info Tools](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/storage#wiki_domain_info_tools) - Domain Information Lookup Tools
-* [Pyfunceble](https://pyfunceble.github.io/#/), [realtime.at](https://www.realtime.at/), [Host.io](https://host.io/), [Whois.com](https://www.whois.com/), [v3WhoIs](https://www.v3whois.com/), [IWantMyName](https://iwantmyname.com/), [atlaq](https://atlaq.com/) or [Domainr](https://domainr.com/) - Domain Availability Checkers
+* [Pyfunceble](https://pyfunceble.github.io/#/), [realtime.at](https://www.realtime.at/), [Host.io](https://host.io/), [Whois.com](https://www.whois.com/), [instantdomainsearch](https://instantdomainsearch.com/), [v3WhoIs](https://www.v3whois.com/), [IWantMyName](https://iwantmyname.com/), [atlaq](https://atlaq.com/) or [Domainr](https://domainr.com/) - Domain Availability Checkers
 * [namify](https://namify.tech/) - Domain / Business Name Suggestions
 * [AcronymCreator](https://acronymcreator.net/) - Business Acronym Generator
 * [TinyDomain](https://tinydomain.net/) - Short Domain Suggestions