DNS nqis tau koom ua ke ntawm txhua nplooj ntawv ntawm lub vev xaib interface.
Tam sim no nws muaj peev xwm hais qhia ntau tshaj ob lub DNS servers siv cov neeg siv ceev tshaj plaws los ntawm cov npe ua ntej.
Ntxiv QNAME Minimization hom (RFC-7816) kom txo tau qhov kev sib kis ntawm cov ntaub ntawv ntxiv hauv kev thov txhawm rau tiv thaiv kev xau ntawm cov ntaub ntawv hais txog lub npe thov thiab nce kev ceev ntiag tug.
Lub lim tau raug siv los lim tawm qhov chaw tsuas yog rau cov neeg laus ntawm qib DNS.
Lub sijhawm thauj khoom tau nrawm los ntawm kev txo tus lej ntawm DNS kuaj.
Ib qho kev daws teeb meem tau muab coj los siv yog tias tus kws kho mob lim DNS thov lossis tsis raug DNSSEC kev txhawb nqa (thaum muaj teeb meem, kev thauj mus los tau hloov mus rau TLS thiab TCP).
Txhawm rau daws cov teeb meem nrog kev poob ntawm cov pob khoom tawg, EDNS tsis loj yog txo rau 1232 bytes (tus nqi 1232 raug xaiv vim nws yog qhov siab tshaj plaws ntawm qhov loj ntawm DNS teb, suav nrog IPv6, haum rau qhov tsawg kawg nkaus MTU tus nqi. (1280).