DNS Records

Whois Lookup, Domain Availability & IP Search - DomainTools

https://viewdns.info/viewdns.info

Reverse IP Lookup - MxToolboxMxToolbox

reverse DNS information

https://securitytrails.com/securitytrails.com

https://bgp.he.net/bgp.he.net

https://searchdns.netcraft.com/

Historical Records

DNS History

https://dnsdumpster.com/dnsdumpster.com

Historical Records

DNS History Lookupsecgron

Kali Linux Tools

dnsenum | Kali Linux ToolsKali Linux

dnsrecon | Kali Linux ToolsKali Linux

GitHub - mschwager/fierce: A DNS reconnaissance tool for locating non-contiguous IP space.GitHub

Reverse DNS

Reverse IP - Find websites hosted on the same IP address, server or subnet