Disable systemd-resolved on Ubuntu/Deb/CentOS
systemd-resolved provide DNS resolver facility in newer version of Linux servers running systemd. I prefer manually editing /etc/resolv.conf and add
Requesting a zone trasnfer with dig
To request a zone transfer using dig, use Example See dig
host
Find Reverse-DNS/PTR using dig, nslookup, host
Wildcard DNS zone in bind
Wildcard DNS zone will act as authoritative DNS for any domain name. This is useful when you have a service
bind
bind is a DNS server. To check bind configuration for errors, run if chroot dns working inside server, not outside
Install Unbound DNS caching server
Unbound is an Open source DNS caching and recursive resolver. You can find more about unbound at https://nlnetlabs.nl/projects/unbound/about/ To install
Free DNS Hosting
Free DNS Hosting https://www.cloudflare.com https://desec.io – Open Source. Source code https://yandex.com/support/domain/domain/dns.html https://www.cloudns.net/ https://dns.he.net/ https://www.duckdns.org/ https://www.dynu.com/ https://www.luadns.com https://ns1.com – Developer plan
Delegate a sub domain to DNS server
To point a domain to another server, you can create an A record, point to the server. If your provider
Dig
dig is a command line tool like nslookup used to check dns Find Reverse-DNS/PTR using dig, nslookup, host Requesting a
DNS Resolver
CloudFlare announced privacy-first consumer DNS service. IP of CloudFlare public DNS servers are So far i was using Google Public
DNS Tools
Reverse DNS/rDNS/PTR Record How to delete Google Cloud DNS Zone DNS Tools https://dnschecker.org https://intodns.com https://dnsmap.io http://leafdns.com https://dnsviz.net https://www.dnsperf.com dig Google