LabVIEW 2015 and higher.
- DNS-over-UDP and DNS-over-TCP.
- Multicast DNS (mDNS).
- DNS-Based Service Discovery (DNS-SD) with multicast (mDNS).
DNS-SD mDNS Query.vi
can be used as an example of zeroconf service discovery.
Domain Names - Implementation and Specification (RFC 1035)
Multicast DNS (RFC 6762)
Zero-configuration networking (Wikipedia)
DNS-Based Service Discovery (RFC 6763)
A DNS RR for specifying the location of services (DNS SRV) (RFC 2782)
Domain Name System Parameters (IANA)
Service Name and Transport Protocol Port Number Registry (IANA)