Cov txheej txheem:

Lub npe server ua haujlwm li cas?
Lub npe server ua haujlwm li cas?

Video: Lub npe server ua haujlwm li cas?

Video: Lub npe server ua haujlwm li cas?
Video: Tsis Muaj Peev Xwm Yuav Ua Li Cas 2024, Kaum ib hlis
Anonim

Xwb, koj tsuas yog txuas los ntawm ib lub npe npeserver , kuj hu ua DNS server los yog npe server , uas tswj ib tug loj database uas maps domain npe rau IP chaw nyob. Txawm hais tias koj nkag mus rau lub vev xaib lossis xa e-mail, koj lub computer siv DNS server mus saib lub domain npe koj sim nkag mus.

Ua li no, lub npe server ua li cas?

Qhov tseem ceeb tshaj plaws ua haujlwm ntawm DNS servers yog cov translation (daws teeb meem) ntawm human-nco domain npe andhostnames rau hauv tus lej xov tooj Internet raws tu qauv (IP) chaw nyob, tus thawj tswj hwm thib ob npe qhov chaw ntawm Internet uas yog siv los txheeb xyuas thiab nrhiav cov tshuab computer thiab cov peev txheej hauv Internet.

Qhov thib ob, yog lub npe server yog DNS server? Tsis muaj ib yam li Domain NameServer . DNS sawv rau Domain Lub npe System, uas tsuas yog ib tug hierarchy ntawm Cov npe servers uas muaj lub hom phiaj los txhais tus tswv tsev npe rau hauv IP chaw nyob ntawm lub ntiaj teb teev. The router muaj cov npe servers 8.8.4.4 thiab 8.8.8.8 teeb, hu ua Google DNS , lawv kuj cache.

Tom qab ntawd, ib tus tuaj yeem nug, DNS ua haujlwm li cas ib kauj ruam?

Cia peb ua tib zoo saib qhov txheej txheem:

  1. Kauj Ruam 1: Thov cov ntaub ntawv.
  2. Kauj ruam 2: Nug cov recursive DNS servers.
  3. Kauj ruam 3: Nug cov hauv paus npe servers.
  4. Kauj ruam 4: Nug TLD lub npe servers.
  5. Kauj ruam 5: Nug cov cai DNS servers.
  6. Kauj ruam 6: Rov qab tau cov ntaub ntawv.
  7. Kauj Ruam 7: Tau txais cov lus teb.

Yuav ua li cas DNS server siv nkag mus rau lub vev xaib?

Lub Npe Cov servers ( DNS ) yog Internet sib npaug ntawm phau ntawv xov tooj. Lawv tuav cov npe ntawm cov npe sau npe thiab txhais lawv mus rau Internet Protocol (IP) chaw nyob. Qhov no yog qhov tsim nyog vim tias, txawm hais tias cov npe sau tau yooj yim rau tib neeg kom nco qab, khoos phis tawj lossis tshuab, accesswebsites raws li IP chaw nyob.

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