nic.open IN A 148.173.91.85 nic.open IN NS a.nic.open. nic.open IN NS b.nic.open. nic.open IN NS c.nic.open. nic.open IN NS ns1.dns.nic.open. nic.open IN NS ns2.dns.nic.open. nic.open IN NS ns3.dns.nic.open.