From HEXONET Wiki
The ModifyNameserver command modifies a Nameserver host in the registry.
COMMAND
(required) command = ModifyNameserver nameserver = (NAMESERVER) (optional) ipaddress0 = (IPADDRESS) ipaddress1 = (IPADDRESS) ipaddress2 = (IPADDRESS) ... ipaddress12 = (IPADDRESS) addipaddress0 = (IPADDRESS) addipaddress1 = (IPADDRESS) addipaddress2 = (IPADDRESS) ... addipaddress12 = (IPADDRESS) delipaddress0 = (IPADDRESS) delipaddress1 = (IPADDRESS) delipaddress2 = (IPADDRESS) ... delipaddress12 = (IPADDRESS)
IMPORTANT: Please have a look at the Domain API-Manual for a current list of allowed parameters.
RESPONSE
code = (CODE) description = (DESCRIPTION)