If you decide to try Google Public DNS, your client programs will perform all DNS lookups using Google Public DNS. In addition to traditional DNS over UDP or TCP, we also provide DNS over TLS (DoT)
Port Scanner Tool checks the most common ports used by Windows services, Ubuntu servers, favorite games, or other software. We have a pre-defined list of all available used ports, you have to enter any domain or IP address, and this tool checks which ports are active and accepting requests on your IP … Incoming network connection blocked from own DNS server I have thousands of logs from McAfee Security History reporting suspicious activity being blocked from my own DNS server. The IPs being detected are :feed::1 and :feed::2 (from what I understand these are the IPv6 DNS server variants) and the connections are always from seemingly random UDP ports. C What is DNS server and how does it work? - Open Port Jul 13, 2019
These ports alone aren't actually working for me (nice iptables config though). Nevermind SSH (that ones nice and simple, I already have that set up) as you said I allowed all ICMP for ping. And thanks to this I can now ping my DNS server directly. However ping google.com does not work with this configuration.
Ports - How Web Servers Work | HowStuffWorks
Apr 28, 2020
Jun 30, 2020 · General Instructions Most routers and firewalls will allow you to force all DNS traffic over port 53, thus requiring everyone on the network to use the DNS settings defined on the router/firewall (in this case, OpenDNS). The preferred recommendation is to forward all DNS requests to go to the openDNS IP's listed below. Jun 14, 2020 · Malicious DNS servers can do what any malicious translator can do - lie to you. For example, they might send you to a scam copy of a website. Like food, you should not take DNS servers from a stranger. You can check a computer or router to see what your DNS servers should be, but the pages below show what they actually are. They report the DNS Hello all I seem to be having trouble forwarding DNS to my server. I have setup port forwarding 53 TCP/UDP to my server IP, but when I test it I only get a responce from TCP. To test I set port 53 to UDP only and it failed outright. Just wondering if I'm missing something. Regards Fred