动态DNS服务提供商，主要包括：
· www.3322.org、ORAY(花生壳)、阿里云、腾讯云
· 自定义：选择此选项，需在“服务器地址”配置项处手动输入DDNS服务器地址。
当选择自定义时，ERG2系列支持科迈DDNS服务商，但ERG3/ERG5/UR 暂不支持科迈 DDNS 服务商。
其他服务商支持情况：
members.3322.org 3322.org
able.or.kr able.or.kr
freedns.afraid.org afraid.org-basicauth
sync.afraid.org afraid.org-v2-basic
dyndns.kasserver.com all-inkl.com
nic.changeip.com changeip.com
dyndns.core-networks.de core-networks.de
members.ddns.com.br ddns.com.br
ip4.ddnss.de ddnss.de
free.ddo.jp ddo.jp
update.dedyn.io desec.io
is.dhis.org dhis.org
www.dnsdynamic.org dnsdynamic.org
dyna.dnsever.com dnsever.com
update.dnsexit.com dnsexit.com
www.dnshome.de dnshome.de
cp.dnsmadeeasy.com dnsmadeeasy.com
update.dnsmax.com dnsmax.com
updates.dnsomatic.com dnsomatic.com
control.dnspark.com dnspark.com"
ddns.do.de do.de
dyndns.domopoli.de domopoli.de
www.dtdns.com dtdns.com
www.duckdns.org duckdns.org
ip.duiadns.net duiadns.net
www.dy.fi dy.fi
update.dyndns.it dyndns.it
members.dyndns.org dyn.com
www.dyndnss.net dyndnss.net
dynsip.org dynsip.org
www.dyns.net dyns.net
api.dynu.com dynu.com
dynv6.com dynv6.com
api.cp.easydns.com easydns.com
dyndns-free.editdns.net editdns.net
www.goip.de goip.de
domains.google.com google.com
dyn.dns.he.net he.net
dyndns.inwx.com inwx.de
svc.joker.com joker.com
dns.loopia.se loopia.se
www.mydns.jp mydns.jp
myip.co.ua myip.co.ua
myonlineportal.net myonlineportal.net
dnsapi4.mythic-beasts.com mythic-beasts.com
dynamicdns.park-your-domain.com namecheap.com
www.nettica.com nettica.com
update.no-ip.pl no-ip.pl
now-dns.com now-dns.com
ipv4.nsupdate.info nsupdate.info
nubem.com nubem.com
updates.opendns.com opendns.com
ddns.oray.com oray.com
www.ovh.com ovh.com
dyndns.regfish.de regfish.de
dyndns.schokokeks.org schokokeks.org
carol.selfhost.de selfhost.de
www.sitelutions.com sitelutions.com
update.spdyn.de spdyn.de
dyndns.strato.com strato.com
system-ns.com system-ns.com
update.dnsmax.com thatip.com
update.twodns.de twodns.de
www.udmedia.de udmedia.de
dyndns.variomedia.de variomedia.de
nsupdate.xlhost.de xlhost.de
update.zerigo.com zerigo.com
dynamic.zoneedit.com zoneedit.com
zzzz.io zzzz.io
api.cloudflare.com cloudflare.com-v4
freedns.42.pl freedns.42.pl
api.godaddy.com godaddy.com-v1
dynupdate.no-ip.com no-ip.com
route53.amazonaws.com bind-nsupdate
若有使用DDNS服务商不支持的情况，请查询该服务商是否在支持列表，若不在列表请换其他DDNS使用，或反馈400提交需求反馈