dns
This is a list of all active TLDs
https://data.iana.org/TLD/tlds-alpha-by-domain.txt
Lista dei domini root attivi.
Registry Agreement Termination Information Page - ICANN
https://www.icann.org/resources/pages/gtld-registry-agreement-termination-2015-10-09-en
Lista dei domini root che non sono più validi, praticamente solo sponsored top-level domain
a simple DNS lookup tool
https://dns-lookup.jvns.ca
Tool per fare interrogazioni DNS da una pagina web.
Per vedere tutto il percorso (dai root server): https://dns-lookup.jvns.ca/trace.html
NIP.IO - wildcard DNS for any IP Address
http://nip.io/
Un server DNS per mascherare gli IP con hostname
Added 12 years ago
DNS Quick Check - Online DNS Report Tool - Enter the domain to test realtime, Test your DNS delegation, DNS Servers, Mail and Web Servers, Network Admins, Webmasters, Hosting
http://www.checkdns.net/quickcheckdomainf.aspx
Online Ping, Traceroute, DNS lookup, WHOIS, Port check, Reverse lookup, Proxy checker, Mail relaying, Bandwidth meter
http://ping.eu/
Easy to use web-based service.
Reverse DNS Lookup
http://remote.12dt.com/index.php
Look up an IP address and get the corresponding domain name. Then get the whois database information for the domain.