For Swift Hosting packages the default nameservers will be set if you buy your domain with us.
The default nameservers are below - DNS is managed in your Swift Hosting control panel.
ns1.globalnameserver.org
ns2.globalnameserver.org
ns3.globalnameserver.org
If you only have a domain registered with us, and want to use the DNS service in your panel, you need to point the domain to nameservers below. You can setup DNS records by navigating to My Services > Free DNS Management.
ns1.sonichost.cloud
ns2.sonichost.cloud
ns3.sonichost.cloud
ns4.sonichost.cloud