In this artikel i will collect handy links to lookup DNS info.
I will update the links on a regular basic
https://www.ultratools.com/tools/dnsLookup Realy fast site.
https://www.dnsstuff.com/
https://mxtoolbox.com MX – SPF – and a lot more
https://www.robtex.com/
http://whois.domaintools.com/ Reverse IP Lookup
https://stat.ripe.net/ Routing status – Reverse IP – BGP