(PECL event >= 1.2.6-beta)
EventDnsBase::addNameserverIp — Adds a nameserver to the DNS base
$ip
) : boolAdds a nameserver to the evdns_base.
ip
The nameserver string, either as an IPv4 address, an IPv6 address, an IPv4 address with a port ( IPv4:Port ), or an IPv6 address with a port ( [IPv6]:Port ).
Returns TRUE on success. Otherwise FALSE.