riverse dns lookup

computer networklalo, riverse dns lookup ledhaa riverse dns resolution (ordns) anedi aipi chirunamatho anubandhinchabadina domine paerunu nirnayinchadaaniki domine name system (dns) yokka quaring technic-domine paeru nundi aipi chirunama yokka saadhaarana "forward" dns lookup yokka riverse. aipi chirunama yokka riverse resolution prakriyaloo ptr recordulanu upayogistaaru. rdns loe domine paeru registry mariyu registrar pattikalu sodhinchadam untundi. internet yokka riverse dns database loe paatukupoyindi.arpa unnata sthaayi domine.
samachara rfc 1912 (vibhagam 2) "prati internet-cherukogala hostku oka paeru undaali" mariyu "prati aipi chirunamaku, saripole ptr record undaali", idhi internet praamaanika avasaram kaadu, mariyu anni aipi chirunaamaalaku riverse entry undadu anie sifaarsu chesinappatiki.
chaaritraka upayogam.
aadhunika "riverse dns lookup" nuu ippudu vaadukalo laeni "inverse kwarii" (aikwari) mechanismtho ayomayam chendakudadu
aikwari sandesha rakam ellappuduu "aichhikam" mariyu "vistrutamgaa upayoginchabadaledu"; idhi idhi aikwari sandesam yokka sweekaranatho "saasvatamgaa viraminchabadindi".
amalu vivaralu.
IPv4 riverse resolution.
roopamlo chirunamala kosam riverse dns shodhanalu pratyeka domine domine upayogistaayi. eee domainlo, roopamlo chirunama naalugu dasaamsa sankhyala samyoga kramamga suuchimchabadutumdi, chukkalatho vaeru cheyabadutundi, dheeniki rendava sthaayi domine pratyayam pratyayam jodinchabadutundi. 32-bitt roopamlo chirunamanu naalugu ashtakaluga vibhajinchadam dwara mariyu prati ashtakanni dasaamsa sankhyagaa marchadam dwara naalugu dasaamsa sankhyalu pondabadataayi. eee dasaamsa sankhyalu appudu eee kramamlo militam cheyabadataayih modata athi mukhyamaina ashtakam (edamavaipu), chivariga athi mukhyamaina ashtakam (kudi vaipu). idhi vachana roopamlo roopamlo chirunaamaalanu vraayadaaniki saadhaarana chukkala-dasaamsa sampradaayaaniki vyatiraeka kramam anie gamaninchadam mukhyam.
udaaharanaku, aipi chirunama yokka riverse lookup cheyadaaniki domine paeru kokwo _ 3 kosam ptr recordnu pariseelistaaru, mariyu kokwo _ _ suuchimchinatlu kanugonabadutundi. 
coques _ 4 yokka rikaardu tirigi soochinchinatlayithe adhi munduku-dhruvikarinchabadinatlu cheppabadutundi.
class less riverse dns paddhati.
chaaritraatmakamgaa, internet registrylu mariyu internet servies providerlu 256 (class sii kosam) blacklalo ledhaa bii mariyu eah taragatulaku pedda actet aadhaarita blacklalo aipi chirunaamaalanu ketaayinchaaru. nirvachanam prakaram, prati block oka ashtaka sarihaddupai padindi. riverse dns domine yokka nirmaanam eee nirvachanam meeda aadharapadi undhi. ayithe, class less inter-domine routing pravesapettadamto, aipi chirunamalu chaalaa chinna blaakulalo ketayinchabaddayi, anduvalla chinna blaakula paripalana yokka swayampratipatti manjuru cheyalekapoyinanduna pointer recordula asalu roopakalpana aacharana saadhyam kaaledu. rfc 2317 sii name recordulanu upayoginchadam dwara eee samasyanu parishkarinchadaaniki oka paddatini roopondinchindi.
IPv6 riverse resolution.
udaaharanaku chirunamala kosam riverse dns shodhanalu pratyeka domine kokwo _ 6 (gatamlo kokwo _ 7) nuu upayogistaayi. udaaharanaku chirunama eee domainlo paerugaa riverse kramamlo nibbles kramaanni suuchistumdi, idhi hexadecimal ankelugaa upa domainlugaa suuchimchabadutumdi. udaaharanaku, udaaharanaku chirunamaku anugunamgaa unna pointer domine paeru kaakv _ 8.
bahula pointer recordulu.
chaalaa rdns entreelaku oka ptr record matrame undagaa, dns sankhyanu parimitam cheyadu. bahula ptr recordulu upayoginchabadataayi, udaaharanaku, oka web sarvar aneka virtual hostlaku maddatu icchinappudu.ii. bahula atidheya paerlu appudu oke chirunamaku parishkarinchabadataayi, mariyu aaa bhaagaswaamya chirunama kosam oka ptr shodhana kosam bahula atidheya paerlu tirigi ivvabadataayi. ayithe, dns shodhanalu saadhaaranamgaa yudipi meeda jarugutaayi, mariyu yudipi parimita sandesha parimaanaanni kaligi unnanduna, teevramaina sandarbhaallo, bahula ptrlu dns pratispandana aaa yudipi parimitulanu minchipovadaaniki kaaranamavutaayi.
pii. tii. aarr. recordulu kakunda itara recordulu.
pii. tii. aarr recordulu kakunda itara recordula rakalu kooda riverse dii. enn. ess. chettulo kanipinchavacchu. udaaharanaku, ipesec, sshech mariyu aike kosam encryption keelanu akkada unchavacchu. dns aadhaarita seva aavishkarana anedi subnet-nirdishta seva aavishkarana domainla gurinchi khaataadaarulaku suuchanalu andinchadaaniki riverse dns treelo pratyaekamgaa paeru pettabadina recordulanu upayogistundi. takkuva praamaanika upayogaalalo aipi chirunama yokka bhougolika sthaanaanni gurtinchadaaniki txt recordulu mariyu lokal recordulalo unchina vyaakhyalu untaayi.
upayoginchandi.
riverse dns yokka atyanta saadhaarana upayogaalu

