Cause all these sites contain alot spam plus most likely they miss some features...
Look this:
https://network-tools.com/I often use the DNS tool:
https://network-tools.com/nslook/Defaul ... in=dswp.deWould be nice to have that job done automatically Your reverse dns entry (if existing)
For the custom forward lookup would be nice to have MX records extended autocheck (SPF, DNSSEC et al.)
And this:
http://www.speedguide.net:8080/Some day U may need MTU check (DSL and some Cable)
Just dont wanna work on something that just suits my needs.