shell:$ nslookup -timeout=2 -retry=1 'm7pro.4gpaid.ddnsfree.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
m7pro.4gpaid.ddnsfree.com	canonical name = atom4g-bvx.pages.dev.
Name:	atom4g-bvx.pages.dev
Address: 172.66.44.113
Name:	atom4g-bvx.pages.dev
Address: 172.66.47.143
;; Got SERVFAIL reply from 1.1.1.1, trying next server
Name:	atom4g-bvx.pages.dev
Address: 2606:4700:310c::ac42:2c71
Name:	atom4g-bvx.pages.dev
Address: 2606:4700:310c::ac42:2f8f