POST has 2 types of DNS servers
DNS authoritative servers
- ns1.pt.lu (194.154.192.1, 2001:7e8:8800::b0)
- ns2.pt.lu (195.46.252.2, 2001:7e8:8800::c0)
- ns3.pt.lu (80.90.63.90, 2001:1610:2:1::90)
DNS resolvers
- 194.154.192.101 (2001:7e8:f00:1::1)
- 194.154.192.102 (2001:7e8:f00:2::1)