Issue how to move domain droplet to new droplet in digitalocean

[sampathsl]

When I apply SSL it shows below mentioned error. What is the issue ? How to resolve it ?

Detail: DNS problem: NXDOMAIN looking up TXT for _acme-challenge.porondam.com - check that a DNS record exists for this domain

old droplet - 188.166.218.4
new droplet - 159.65.15.136

 

[Peter Debik]

DNS problem: NXDOMAIN looking up TXT for _acme-challenge.porondam.com - check that a DNS record exists for this domain

? "check that a DNS record exists ..."