RESERVED - designated by the IETF (Internet Engineering Task Force) for specific non-global-unicast purposes as noted.
127.0.0.0/8 reserved for Loopback [RFC1122], section 18.104.22.168. Reserved by protocol. For authoritative registration, see [IANA registry iana-ipv4-special-registry].
DNS Resource Records
In this section you will find important DNS resource records for cugb.edu.cn. SOA records, Name Server records, and MX records are included when available. Additional supporting data includes serial numbers, refresh rates, retry times, TTL, priority, and length to expire will be shown.