ws4y.de is a domain controlled by two nameservers at
1blu.de. They are on different IP networks. Incoming mail for
ws4y.de is handled by one mailserver at
ws4y.de themselves.
ws4y.de has one IP record.
di3.de,
omr2.de,
car2.de,
velb.de,
chanx.de and at least 56 other hosts share nameservers with this domain.
mail.ws4y.de are subdomains to this hostname.
de is a domain controlled by six nameservers. All of them are on different IP networks.