The best replacement for dns server is name server.

The best alternatives to dns server are rated as following:
★★★★★  name server
★★★★  dhcp server
★★  hosts file
★★  dhcp
★  wins server
★  wins
★  proxy server
★  static ip
★  default gateway

Your alternative for dns server is not listed? Suggest!
Speaking about dns server, one probably shouldn't forget about domain.

Other search terms related to dns server and their ratings are:
★★★★★ domain
★★★★ domain controller
★★★ active directory
nslookup
You have in mind a companion for dns server and it is not yet here? Propose!



Google Trends

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dns server
name server
dhcp server