There is  a new Anon NavTech server online.
Please, feel free to add it to your navcoin.conf file

addanonserver=79.137.80.42: 3000
anonhash=000c17f28eaa71f48de6d8856fc3a22f

Fee: 0.5%
MIN.10 NAV
MAX. 4000 NAV

You can also find information about this and the others Anon NavTech servers in https://navtechservers.com/