Cov lus teb muaj cai los ntawm a nameserver uas suav tias yog kev tso cai rau lub npe uasnws tau xa rov qab cov ntaub ntawv rau (ib qho ntawm cov npe servers hauv cov npe rau lub npe koj tau saib ntawm), thiab cov lus teb tsis yog ntawv tso cai los ntawm txhua qhov chaw (ib lub npe server tsis nyob hauv daim ntawv teev npe rau koj tau tshawb nrhiav …
Dab tsi yog qhov txawv ntawm qhov kev tso cai thiab tsis yog kev tso cai DNS server?
Kev lees paub DNS servers yog lub luag haujlwm rau daim ntawv qhia kev tsim nyog ntawm cov ntaub ntawv thiab teb rau cov servers recursive nrog cov ntaub ntawv tseem ceeb rau txhua lub vev xaib, xws li; IP chaw nyob thiab lwm cov ntaub ntawv tsim nyog DNS. Tsis yog lub npe servers tsis muaj cov ntaub ntawv hauv cheeb tsam thawj
Dab tsi yog qhov txawv ntawm kev tso cai thiab rov ua dua DNS?
Muaj ob hom DNS servers: tso cai thiab rov ua dua. Cov ntawv tso cai sau npe zoo li lub tuam txhab phau ntawv xov tooj uas tshaj tawm ntau phau ntawv xov tooj, ib cheeb tsam. Recursive DNS servers zoo li ib tus neeg siv phau ntawv xov tooj los nrhiav tus lej hu rau tus neeg lossis tuam txhab.
DNS tso cai dab tsi?
Authoritative DNS yog lub kaw lus uas siv qhov chaw nyob, zoo li google.com, thiab muab lus teb txog cov peev txheej hauv cheeb tsam ntawd. Cov kev lag luam raug pom zoo li no: Tus neeg siv hom chaw nyob rau hauv lub vev xaib browser, lossis daim ntawv thov hu tawm rau lub npe ntawm cov peev txheej hauv Is Taws Nem.
Dab tsi yog kev daws teeb meem DNS?
Cov npe tsis muaj npe tsis muaj cov ntaub ntawv tseem ceeb ntawm thaj chaw sau npe Lawv muaj cov ntaub ntawv cache rau cov npe uas tau tsim los ntawm tag nrho cov DNS lookups ua dhau los. Yog tias tus neeg rau zaub mov DNS teb rau cov lus nug DNS uas tsis muaj cov ntaub ntawv qub yog lub npe hu ua Cov lus teb tsis muaj cai.
