dns1.frhweb.com is delegated to two nameservers, however both delegated nameservers are missing in the zone. Two nameservers have the same IP number. myfrh.com, frhweb.com, ibshelp.net, 2for1ads.com, 4thebuzz.com and at least 27 other hosts use this as a nameserver. xze.cn, eud.ir, eln.jp, voq.net, nole.com and at least 100 other hosts share nameservers with this domain. frhweb.com is a domain controlled by two nameservers at frhweb.com themselves. They are on different IP networks. Incoming mail for frhweb.com is handled by one mailserver at com. frhweb.com has one IP number.