Add Child Nameserver (Private DNS)

curl --request POST \
  --url 'https://domain.hostwithdothost.com/?action=addchildnameserver' \
  --header 'Content-Type: application/json' \
  --data '{
  "username": "yourUsername",
  "password": "yourPassword",
  "domain": "thegrtnx.com,ng",
  "nameServer": "ns1.thegrtnx.com.ng",
  "ipAddress": "144.76.27.104"
}'

{
  "data": {
    "NameServer": "ns1.thegrtnx.com.ng",
    "IPAdresses": [
      "127.11.0.4"
    ]
  },
  "result": "OK"
}