curl --location --request PUT 'https://customers.coldmailreseller.com/api/v1/integration/dns/nameservers?userId=H8M9JV2S9HMPYFQW393AZHQVD4XM' \
--header 'cmr-x-api-key: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"domain": "acmecorp.com",
"nameservers": [
"ns1.provider.com",
"ns2.provider.com"
]
}'{
"status": 200,
"message": "Nameservers updated successfully"
}