Domain Name System - Wikipedia
https://en.wikipedia.org/wiki/Domain_Name_System
The Domain Name System (DNS) is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network.
DNS Lookup
https://dnslookup.online/
Enable DNSSEC (Domain Name System Security Extensions), DNSSEC creates a secure domain name system by adding cryptographic signatures to existing DNS records.
DNS-Lookup - The Professional DNS Lookup Tool
https://dns-lookup.com/
Domain Name System, or DNS for short, is the protocol that translates readable URLs This is how DNS works: A web user enters a readable domain name of a website into the address bar of their...
Best free and public DNS servers of 2019 | TechRadar
https://www.techradar.com/news/best-dns-server
DNS (Domain Name System) is a system which translates the domain names you enter in a browser to the IP addresses required to access those sites. Your ISP will assign you DNS servers whenever...
Professional Toolset | DNSstuff | Reverse DNS Lookup
https://tools.dnsstuff.com/
DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering. Explore monitoring products and free DNS tools at DNSstuff.
Public DNS Server List
https://public-dns.info/
Public DNS Server List. Partner sites: StartTLS test | Free dynamic DNS with IPv6. This database contains public DNS Servers that are reachable by IPv4 or IPv6.
Blahdns -- Dns service support DoH, DoT, DNSCrypt
https://blahdns.com/
DNS-over-TLS, DNS-over-HTTPS on PORT 443 will required strict SNI, without SNI will drop by default. If you are developer, this DNS will block analytics, crashlytics, admob, baidu stats, Pls be aware.
DNSDB
https://www.dnsdb.info/
DNS Database Online.
What Is DNS? | How DNS Works | Cloudflare
https://www.cloudflare.com/learning/dns/what-is-dns/
DNS, or the domain name system, is the phonebook of the Internet, connecting web browsers with websites. Learn more about how DNS works and what DNS servers do.
DNS Checker - DNS Check Propagation Tool
https://dnschecker.org/
DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.
Cloud Delivered Enterprise Security by OpenDNS
https://www.opendns.com/
daily DNS requests. 100 percent.
Global DNS Propagation Checker - What's My DNS?
https://www.whatsmydns.net/
Instantly check your domain names current IP address and DNS record information against multiple name servers located in different parts of the world.
DNS Lookup tool, Reverse DNS lookup tool - www.DNSWatch.info
https://www.dnswatch.info/
Lookup DNS records with exact performance measuring, monitor your dns servers! DNS Lookups & Performance Monitoring. DNS Lookup / IP lookup.
7 Best DNS Servers in 2019 (Free and Public)
https://beebom.com/best-dns-servers/
Using a different DNS server can help you in unlocking region-blocked content. Depending on the location of the DNS server that you are using, you can get better speeds.
PT - Domínios de Portugal
https://www.dns.pt/
O .PT é a entidade responsável pela gestão, registo e manutenção de domínios sob o TLD (Top Level Domain) .pt, domínio de topo correspondente a Portugal.
easyDNS: simple DNS, domain registration, and website hosting...
https://easydns.com/
Domains, DNS, web hosting and email. Exactly how you want it. "I have managed my own mail server for my domain since 1993. I grew weary of the pain and uncertainty of asking my ISP for DNS...
Fast, free and uncensored. DNS.WATCH. - DNS.WATCH
https://dns.watch/
DNS.WATCH is a fast, free and uncensored DNS-Server (or more specific, a DNS resolver). Our resolvers only deliver uncensored records. DNS.WATCH believes in freedom.
DNS leak test
https://dnsleaktest.com/
DNSleaktest.com offers a simple test to determine if you DNS requests are being leaked which may represent a critical privacy threat. The test takes only a few seconds and we show you how you can...