++ hostname
+ getent ahostsv4 np6fb4121c6a214
++ hostname
+ getent ahostsv6 np6fb4121c6a214
2604:e100:1:0:f816:3eff:fe01:4efc STREAM np6fb4121c6a214
2604:e100:1:0:f816:3eff:fe01:4efc DGRAM  
2604:e100:1:0:f816:3eff:fe01:4efc RAW