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Domain Name Monitoring: DNS, IP and Security

Advanced Tools for IT Professionals

viewdns.info - Exhaustive information tool for DNS, IPs, whois, etc.

Digwebinterface.com - DNS server queries, IPs, and other useful info

Iplocation.net/tools - Tools related to IP addresses, DNS, and other technical information

Centralized Zone Data Service (CZDS): platform operated by ICANN that provides access to the zone files of many top-level domains (TLDs).

Security Testing

Have I been pwned? - Service testing the security of email addresses

DNS Server History and Other Information

Domain management services (displaying expiration dates, whois information, DNS, etc.) are features offered by all registrars, but they only allow tracking of one's own domain names. To monitor external domain name lists, specialized services or software are required.

CompleteDNS.com - Research domain nameserver changes and drops

Hosterstats.com/ - History of registrars, DNS, and other useful info

Securitytrails.com - History of whois, DNS, and other useful technical info

DnsCoffee - History of used nameservers