Thanks for reaching out and welcome to Netlify’s Support!
How long ago did you make the name server change?
It doesn’t look like the change has propagated yet:
dig orderit.ga NS +trace | tail -n 6
ga. 86400 IN RRSIG NSEC 8 1 86400 20230627050000 20230614040000 60955 . W/sSbgu+LwjMgMXbUIK0EtNZdDmBOGvekNYClW/BhYOY+LFYKpYzPQVM /gs2ECHujnznxBuNW+e/3yA2X/px/rR7BmvW8mp4GTPBfI+5pibRLwSf 45kTZB2+wACq+d8rmwPJtvT2HXIJIAdJF5THQLtQlqW7vmM1xZlOfAxg xLGv87tlztlUB89nYXGvjqqk+hoUeAksA/qHFmvZBqweXlwtw9bu5bEV kfenXMbzQDJJQ+tAswOcpGQ0GfyT8Y6DHKrrH8REnX758kHj1LE0hgY9 SNeC/7yCM+vIfZ0tptxTuK95DpUruZA8v/2XhvYULS14dMjFd2g60P6z EPkJeQ==
;; Received 547 bytes from 192.112.36.4#53(g.root-servers.net) in 29 ms
ga. 600 IN SOA a.nic.fr. dnsmaster.afnic.fr. 2222223824 3600 1800 3600000 600
;; Received 101 bytes from 194.0.36.1#53(g.ext.nic.fr) in 14 ms
or here: DNS Checker - DNS Check Propagation Tool
DNS changes can take up to 48 hours mentioned in our Support Guide: