na-agafe n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka akụkụ ahụ: N'akụkụ: Usoro nhazi nke ngalaba na-agbadata site n'aka nri gaa n'aka ekpe; mkpado ọ bụla n'aka ekpe na-akọwapụta nkewa, ma ọ bụ subdomain nke ngalaba ahụ n'aka nri. Dịka ọmụmaatụ, ihe atụ mkpado na-akọwapụta subdomain nke ngalaba com, na www bụ subdomain nke ihe atụ.com. Osisi nke subdivisions a nwere ike inwe ruo 127 ọkwa.A label nwere ike ịnwe efu ruo mkpụrụedemede 63. Akara efu, ogologo nke efu, bụ maka mpaghara mgbọrọgwụ. Aha ngalaba zuru ezu nwere ike ọ gaghị agafe ogologo nke mkpụrụedemede 253 na nnọchite anya ederede ya. N'ime nnọchite anya ọnụọgụ abụọ nke DNS, ogologo kachasị chọrọ 255 octet nke okpokoro, ebe ọ na-echekwa ogologo aha aha. Ọ bụ ezie na enweghị njedebe teknụzụ iji mee ihe na akara ọ bụla nke nwere ike ịnọchite anya ya site na octet aha, a na-akọwapụta subdomain nke com,
127 ihe