DNS wani tebur ne na bincike wanda ke mayar da suna zuwa amsa. Nau'in bayanan (record type) yana nuna irin amsar da za a bayar.
Wadanda za ku yi amfani da su a zahiri
A — yana nuna suna zuwa wani adireshin IPv4. www.example.com → 203.0.113.10. Wannan shi ne abin da ke nuna wani yankin yanar gizo (domain) zuwa wani shafin yanar gizo.
AAAA — abu ɗaya ne don IPv6. Ƙara shi tare da bayanin A, ba a madadin sa ba.
CNAME — yana nuna suna zuwa wani sunan daban, kuma yana bin duk inda wancan ya nufa. Yana da amfani lokacin da adireshin abin da ake nufa zai iya canzawa. ⛔ CNAME ba zai iya zama a kan ainihin sunan yankin (example.com) tare da sauran bayanan ba — yi amfani da bayanin A a wurin.
MX — inda ake isar da imel na wannan yankin yanar gizo. Ba shi da alaƙa da shafin yanar gizo; canza bayanin A na shafinku ba ya shafar imel, kuma canza MX ba ya shafar shafin.
TXT — rubutu na kyauta, wanda sauran tsarin ke karantawa. Ana amfani da shi don tabbatar da yankin yanar gizo da kuma bayanan SPF, DKIM da DMARC waɗanda ke hana ɗaukar imel ɗinku a matsayin saƙon banza (spam).
NS — sabar sunaye (nameservers) waɗanda ke da cikakken iko a kan yankin yanar gizo. Canza waɗannan yana miƙa dukkan yankin ga wani daban.
Na musamman
Kuna ƙara duk waɗannan daga Yankunan yanar gizo → yankin yanar gizonku → Bayanan DNS → Ƙara bayani. Editan yana tambayar kowane sashi daban, don haka ba lallai ne ku tuna tsarin jeri ba.
SRV — inda wata sabis take: muhimmanci (ana fara gwada mafi ƙanƙanta), nauyi (yana raba lodi tsakanin muhimmanci daidai), tashar jiragen ruwa (port) da kuma mai masaukin manufa. Microsoft 365, Teams, wayoyin SIP, tattaunawar XMPP da wasu wasannin suna neman ɗaya, mai suna kamar _sip._tls.
CAA — hukumomin takardar shaida (certificate authorities) waɗanda za su iya ba da takaddun shaida don yankin. Zaɓi wani tag (issue don takaddun shaida na yau da kullun, issuewild don wildcards, iodef don inda za a ba da rahoton buƙatar da aka ƙi) da kuma value kamar letsencrypt.org. Bar flags a 0 sai dai idan kun san kuna buƙatar 128. ⚠️ Idan kuka ƙara bayanan CAA, haɗa kowace hukuma da kuke amfani da ita — rashin guda ɗaya a nan zai hana sabunta takaddun shaidarta.
PTR — suna don wani suna, yana nuni ga wani mahalli (host). Reverse DNS don adireshin IP na uwar garken wasiƙa (mail server) yana saita ne ta duk wanda ya mallaki IP ɗin, ba a nan ba; tambayi mai ba ku sabar don wannan.
TLSA — yana liƙa takardar shaida don DANE (galibi sabar wasiƙa). Yana da usage, selector, matching type da kuma bayanan takardar shaida a cikin hexadecimal; manhajar wasiƙarku ko mai ba ku sabis zai ba ku duka huɗun.
HTTPS da SVCB — suna gaya wa burawzoci da manhajoji yadda za su haɗu kafin su yi tambaya, kamar waɗanne ƙa'idoji (alpn=h2,h3) shafi yake amfani da su. Priority 0 yanayi ne na laƙabi (manufa kawai); 1 ko sama da haka yanayin sabis ne tare da zaɓaɓɓun sigogi. Manufar . tana nufin sunan kansa.
Idan wani nau'i ya ɓace daga menu na Nau'i, mai ba da sabis na DNS da ke riƙe da yankin nan ba zai iya adana shi ba; yankuna a kan sabobin sunayenmu (ns1.zinndigital.com, ns2.zinndigital.com) za su iya ɗaukar kowane nau'i na sama. Ba a ƙara bayanan DS (DNSSEC) a nan ba — suna can tare da magatakardarku (registrar).
SOA — saitunan shiyyar kanta: babban sabar sunanta, adireshin mai gudanarwa, serial mai ƙaruwa a duk lokacin da aka yi canji, da kuma lokuttan da sauran sabar sunaye ke amfani da su. Na mai ba da sabis na DNS ne, don haka baya cikin jerin zaɓuɓɓuka na Type; buɗe Saitunan shiyya (SOA) a ƙarƙashin bayanan don ganinsa, wanda ake karantawa kai tsaye daga sabar sunaye. Serial ɗin da ya canza yana nufin ana gabatar da canjinku na ƙarshe.
Lokacin da kuka matsar da yanki zuwa sabar sunayenmu muna kwafi bayanan yau da kullun da ya riga ya buga, gami da CAA da bayanan SRV na yau da kullun, kuma muna lissafa duk abin da ba mu iya kwafa ba a shafin yankin don ku iya ƙarawa da hannu kafin ku sauya.
Tsawon lokacin da canji ke ɗauka
Kowane bayani yana da TTL — tsawon lokacin da sauran na'urori za su iya ajiye tsohon amsar a ma'ajiyar kariya ta cache. Canji yana bayyana cikin daƙiƙoƙi ga duk wanda bai duba ba kwanan nan, kuma ga sauran mutane da zarar cache ɗinsu ya ƙare. Rage TTL kwana ɗaya kafin canjin da aka tsara kuma za ku rage lokacin jira zuwa mintuna.