DNS A cov ntaub ntawv yog dab tsi? Tus "A" sawv cev rau "chaw nyob" thiab qhov no yog qhov tseem ceeb tshaj plaws ntawm cov ntaub ntawv DNS: nws qhia tus IP chaw nyob ntawm tus sau npePiv txwv li, yog tias koj rub DNS cov ntaub ntawv ntawm cloudflare.com, cov ntaub ntawv A tam sim no rov qab qhov chaw nyob IP ntawm: 104.17. 210.9.
Kuv pom DNS cov ntaub ntawv nyob qhov twg?
Nrhiav koj Lub Npe Lub Npe System (DNS) cov ntaub ntawv
- Kauj Ruam 1: Saib koj lub npe server. Nrhiav koj lub npe neeg rau zaub mov yog ib txoj hauv kev kom paub qhov twg koj cov ntaub ntawv DNS raug tswj. …
- Kauj Ruam 2: Mus saib lub vev xaib uas teev nyob rau hauv lub npe server kom pom koj cov ntaub ntawv DNS.
DNS Ib qho piv txwv yog dab tsi?
Raws li piv txwv, ib Daim Ntawv Teev Npe yog siv los taw qhia lub npe sau npe, xws li "google.com", rau tus IP chaw nyob ntawm Google lub server hosting, "74.125. 224.147 ". Cov ntaub ntawv no taw qhia kev khiav tsheb los ntawm example.com (qhia los ntawm @) thiab ftp.example.com mus rau IP chaw nyob 66.147. 224.236.
Puas DNS yuav tsum muaj cov ntaub ntawv?
Raws li qhov system taw qhia los ntawm MX cov ntaub ntawv muaj cov ntaub ntawv A nws tus kheej, ces yog. Piv txwv li: example.com tuaj yeem muaj MX cov ntaub ntawv taw qhia ntawm mail.otherdomain.com.
Can a CNAME taw tes rau TXT cov ntaub ntawv?
A CNAME cov ntaub ntawv tsis tuaj yeem nyob nrog lwm cov ntaub ntawv rau tib lub npe. Nws tsis tuaj yeem muaj CNAME thiab TXT cov ntaub ntawv rau www.example.com. Ib CNAME tuaj yeem taw tes rau lwm CNAME, txawm hais tias qhov kev teeb tsa no feem ntau tsis pom zoo rau qhov ua tau zoo.
