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mcast.net is a second level domain reserved by the Internet Assigned Numbers Authority (IANA) and maintained by Verisign used to bind DNS records unique to multicast addressing. The domain and its subdomains are not associated with any web site.
In 2011 it was proposed to make it flow into the domain .arpa without having found success.
Examples
Examples of multicast address definitions in the domain mcast.net are:
| Domain name | Address | Description |
|---|---|---|
| base-address.mcast.net | 224.0.0.0 | base address |
| all-systems.mcast.net | 224.0.0.1 | all systems on the local networks |
| all-routers.mcast.net | 224.0.0.2 | all routers in the local networks |
| dvmrp.mcast.net | 224.0.0.4 | all routers for the Distance Vector Multicast Routing Protocol (DVMRP) |
| igmp.mcast.net | 224.0.0.22 | IGMP protocol |
| mdns.mcast.net | 224.0.0.251 | Multicast DNS protocol |
| ntp.mcast.net | 224.0.1.1 | Network Time Protocol (NTP) |
| sip.mcast.net | 224.0.1.75 | Session Initiation Protocol (SIP) servers |
See also
References
- "Multicast IPv4 Address Space Registry". IANA.
- P. Koch (5 July 2011). Moving MCAST.NET into the ARPA top level domain infrastructure draft-ietf-mboned-mcast-harp-03.
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