Kutulutsidwa kwa caching DNS server PowerDNS Recursor 4.7 kulipo, komwe kuli ndi udindo wokonzanso dzina. PowerDNS Recursor imamangidwa pama code omwewo monga PowerDNS Authoritative Server, koma ma seva a PowerDNS obwereza komanso ovomerezeka a DNS amapangidwa kudzera mumayendedwe osiyanasiyana achitukuko ndipo amamasulidwa ngati zinthu zosiyana. Khodi ya polojekitiyi imagawidwa pansi pa layisensi ya GPLv2.
Seva imapereka zida zosonkhanitsira ziwerengero zakutali, imathandizira kuyambiranso pompopompo, ili ndi injini yolumikizira yolumikizira othandizira m'chilankhulo cha Lua, imathandizira mokwanira DNSSEC, DNS64, RPZ (Magawo a Mayankho a Mayankho), ndikukulolani kuti mulumikizane ndi mindandanda yakuda. Ndi zotheka kulemba zotsatira kusamvana ngati owona BIND zone. Kuwonetsetsa kuti magwiridwe antchito apamwamba, njira zamakono zolumikizirana zikugwiritsidwa ntchito mu FreeBSD, Linux ndi Solaris (kqueue, epoll, /dev/poll), komanso pakiti yapaketi ya DNS yochita bwino kwambiri yomwe imatha kukonza makumi masauzande a zopempha zofanana.
Mu mtundu watsopano:
- N'zotheka kuwonjezera zolemba zowonjezera ku mayankho omwe amatumizidwa kwa kasitomala kuti apereke zambiri zothandiza popanda kufunikira kutumiza pempho lapadera (mwachitsanzo, mayankho ku pempho la MX rekodi akhoza kukhazikitsidwa kuti agwirizane ndi zolemba za A ndi AAAA).
- Zofunikira za RFC 9156 zaganiziridwa pakukhazikitsa kuthandizira njira yochepetsera dzina la funso ("QNAME minimisation"), zomwe zimalola chinsinsi chochulukirachulukira posiya kutumiza dzina lathunthu la QNAME ku seva yakumtunda.
- Kusamvana kwa ma adilesi a IPv6 a ma seva a DNS omwe sanatchulidwe mu GR (Glue Record) zolemba zomwe olembetsa amatumiza zidziwitso za ma seva a DNS omwe akutumikira derali amaperekedwa.
- Kukhazikitsa koyeserera kwa njira imodzi yotsimikizira chithandizo cha seva ya DNS pa protocol ya DoT (DNS over TLS) ikuperekedwa.
- Adawonjezera kuthekera kobwerera ku rekodi ya makolo ya NS yokhazikitsidwa ngati ma seva mu rekodi ya mwana NS sakuyankha.
- Thandizo lowonjezera loyang'ana zowona za zolemba za ZONEMD RR (RFC 8976) zopezedwa kuchokera ku cache.
- Anawonjezera luso angagwirizanitse ogwira m'chinenero Lua, wotchedwa pa siteji yomaliza kusamvana (mwachitsanzo, mu handlers ngati mungathe kusintha yankho anabwerera kwa kasitomala).
Source: opennet.ru