@centaurus You seem to have what they call an inactive DNS zone.
Whois reports your name servers as being with AWSDNS, while dig reports your name servers are with Netlify.
Checking for an inactive zone, we find:
|=============== check for inactive DNS zone ============
| ------------ last line should show nsone.net ----------
centaurusinfra.io. 300 IN NS dns1.p01.nsone.net.
centaurusinfra.io. 300 IN NS dns2.p01.nsone.net.
centaurusinfra.io. 300 IN NS dns3.p01.nsone.net.
centaurusinfra.io. 300 IN NS dns4.p01.nsone.net.
;; Received 135 bytes from 205.251.197.181#53(ns-1461.awsdns-54.org) in 49 ms
www.centaurusinfra.io does, however, seem to be served by Netlify, but it redirects to centaurusinfra.io, which is not.