domain1.example,ns1.domain1.example,192.0.2.1,v4 domain1.example,ns2.domain1.example,2001:DB8::1,v6 domain2.example,ns1.example.net,, domain2.example,ns2.example.net,, xn--bc123-3ve.example,ns1.example.net,, xn--bc123-3ve.example,ns2.example.net,, xn--bc321-3ve.example,ns1.example.net,, xn--bc321-3ve.example,ns2.example.net,,