diff --git a/README.md b/README.md
index e419397..658bfb1 100644
--- a/README.md
+++ b/README.md
@@ -373,6 +373,7 @@ Only main chapters:
:small_orange_diamond: Find subdomains online - find subdomains for security assessment penetration test.
:small_orange_diamond: DNSdumpster - dns recon & research, find & lookup dns records.
:small_orange_diamond: DNS Table online - search for DNS records by domain, IP, CIDR, ISP.
+ :small_orange_diamond: DNS Bajaj - check the delegation of your domain.
:small_orange_diamond: PTRarchive.com - this site is responsible for the safekeeping of historical reverse DNS records.
:small_orange_diamond: xip.io - wildcard DNS for everyone.
:small_orange_diamond: intoDNS - DNS and mail server health checker.