Saturday, 5th October 2024

Local IP addresses in public DNS and OpenWRT rebind protection, fix address resolution First of all, I have noticed that I cannot resolve private IP addresses (RFC1918) defined in my CloudFlare DNS zone. While on the network served by OpenWRT router, I got this error: $ nslookup ****.prokop.dev *** No internal type for both IPv4 and IPv6 Addresses (A+AAAA) records available for zt33.prokop.dev Server: OpenWrt.lan Address: fd**:****:****::1 And it of course works when using network in my Belfast’s home office, which is currently served by EdgeRouter 4 (to be soon replaced by custome OpenWRT built on RPi5)....

October 5, 2024 · 4 min · Bart Prokop