ns1.r4l.com has one IP number , which also has a corresponding reverse pointer. ns1.dns4less.com and ns1.register4less.com point to the same IP. r4l.com, koqo.com, isjf.org, dgsa.net, iwfc.net and at least 100 other hosts use this as a nameserver. r4l.com is a domain controlled by two nameservers at r4l.com themselves. They are on different IP networks. Incoming mail for r4l.com is handled by three mailservers also at r4l.com. All of them are on the same IP network. r4l.com has one IP number. ns1.r4l.com is hosted on a server in Canada.