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DNS kya hai | Domain Name System kya hai? Hinglish mein. 2024

DNS-kya-hai-hinglishblog

Hello guys, HinglishBlogin par aap sabka swagat hai, friends jab bhi hum koi website ya blog ya app banane ke bare mein baat karte hai toh aksar domain ke bare mein sunte hai ki, domain lena chahiye, website ke liye domain jaruri hai, falana-dhimkana.

So, aaj hum baat karenge DNS ke bare mein jise hum domain name system bhi khate hai, agar apko pata hai ki dns kya hai toh bahut hi achi baat hai lekin agar apko bilkul idea nahi hai dns kya hai toh ye blogpost apke liye hai. 

DNS kya hai?

Domain Name System, ye DNS ka full form hai, ek esa system hai jo domain names (example hinglishblog.in, hotdl.in) ko IP address (545.054.5.0) mein translate karta hai jiske madad se hum internet se data access kar pate hai.

Kyunki har web browsers (jaha hum online searches karte hai like chrome) internet protocol (IP) se interact karta hai. Friends IP address ka matlab hota hai internet protocol address. Wo har ek device jo internet se connected hota hai un sabka ek apna unique IP address hota hai. Aur issi unique IP address ka karan hum koi bhi device ko track kar sakte hai.

Kyunki IP address numeric hota hai aur bhaut complex hota hai isko yaad karna thora difficult ho jata hai. Aaur issi problem ko solve karne ke liye DNS kam ata hai jo ki ek IP address ko domain ke sath associate kar deta hai. Aur yahi sab karano ke bajese domain name system ko internet ka phonebook bhi kaha jata hai. 

Internet Protocol kya hai?

IP jiska full form internet protocol hai, ye ek protocol hai, yani set of rules matlab niyam samoh jiske madad se data packets sahi marg se pure network mein kahi bhi travel kar sake aur apne correct destination pohoch sake.

DNS kaise kam karta hai?

Itna toh humein pata chal gya ki DNS hostname (example hinglishblog.in, hotdl.in) ko computer-friendly IP address (example 545.054.5.0) mein convert kar deta hai. Par ye jo information hai ki is domain name ka IP address falana hai. Ye information kaha store hota hai? Nameserver par hota hai.

Nameserver par DNS records store hota hai. Ye sare records actual files hote hai jaha ye mention kiya rehta hai ki ye particular domain is particular IP address se associated hai. IP address un devices ko diya jata hai jo internet se connected hota hai aur ye address bahut important hota hai, kyunki isi IP address ke madad se hum dusre device se is device ko dhund sakte hai.

Aur jab bhi koi web page humare device se load hota hai tab ek translation prakriya chalu hota hai users aur machine ke bich jaha par humare typing kiye gaye shabd ya sentence ko machine-friendly IP address me convert karke humare device me wo data internet duara provide kia jata hai.

4 DNS server kam karti hai ek webpage ko load karane mein.

1. DNS recursor kya hai?

Recursor server, ise DNS reslover bhi bola jata hai, ye is tarah design kiya gya hai ki ye sare client machins se quries leta hai applications ke madad se like web browsers. Matlab ye ek librarian ke tarah hai jisse sare log puchte hai ki muje ye book dhund ke do ya wo novel dhund ke do. 

Fir ye aage dusre DNS servers se communicate karta hai exact IP address find karne ke liye. Jab ye server ko sare clients se request mil jata hai uske bad ye server khud ek client ke jesa act karta hai aur dusre DNS ko quries sent karta hai.

2. Root nameserver kya hai?

Translation jo hota hai uska first step isi server par shuru hota hai, matlab jo host name hota hai usko resolve karke IP address mein lana. Is server ka kam hota hai jitne bhi quries recieve hua hai un sabka answer dena.

3. TDL nameserver kya hai?

Ek sahi IP address khojne mein TDL nameserver madad karti hai, TDL name ke andar jo second level domain rehta hai un sabka IP address TDL nameserver apne pas rakhta hai. Ise hum library ke specific (vishist) book rack ke tarah bhi samjh sakte hai.

4. Authoritative nameserver kya hai?

DNS queries ki jo final aur real solution ya answers hai wo authoratitative nameserver hi provide karta hai. Ise hum dictionary ke tarah le sakte hai jaha sare alag-alag sabdh ko meaning full definitions mein translate kia jata hai. 2 prakar ke authoritative nameserver hota hai, master server (primary server) and slave server (secondary server). Zone records ke original copies master server par hota hai aur copy version slave server par hota hai.

FAQs

Q: DNS kya hai aur ye kaise kaam karta hai?
A: DNS (Domain Name System) ek network protocol hai jisse domain names ko IP addresses me convert kiya jaata hai. Ye kaam karne ke liye DNS server ka use kiya jaata hai.

Q: DNS server kya hota hai aur ye kaise kaam karta hai?
A: DNS server ek computer system hai jisme DNS software install hota hai. Ye software domain names ko IP addresses me convert karne ke liye kaam karta hai. Jab koi user internet pe kuch search karta hai, to DNS server us domain name ko IP address me convert karta hai aur user ko request bhejne ke liye IP address provide karta hai.

Q: DNS record kya hota hai aur iske types kya hai?
A: DNS record me domain name aur uska corresponding IP address hota hai. DNS record ke types hai A record, CNAME record, MX record, NS record, PTR record, SRV record, TXT record.

Q: DNS propagation kya hota hai?
A: Jab koi domain name ka IP address change hota hai, to ye change worldwide DNS servers pe propagate hona zaroori hai. Ye process DNS propagation ke naam se jaani jaati hai.

Q: DNS cache kya hota hai aur iska use kya hai?
A: DNS cache ek temporary storage hai jisme DNS queries aur unke corresponding IP addresses store hote hai. Ye cache ka use network traffic ko kam karne ke liye kiya jaata hai.

Q: DNS spoofing kya hota hai?
A: DNS spoofing ek cyber attack hai jisme hacker ek DNS server ka use karke user ko fake website pe redirect kar deta hai. Isse user ka data compromise ho jaata hai.

Q: DNS server ke liye security measures kya hai?
A: DNS server ke liye security measures hai firewall, regular updates, aur access controls. DNS server ko secure rakhna bahut zaroori hai taaki hackers usko compromise na kar sake.

Q: DNS ke bina internet kaise kaam karta hai?
A: DNS ke bina internet IP address pe kaam karta hai. Jab bhi user kuch search karta hai, to wo directly IP address pe request bhejta hai aur response receive karta hai.

Q: DNS ke liye alternative hai?
A: DNS ke liye alternative hai decentralised name systems jaise ki Blockchain-based name systems. Iske alava, peer-to-peer name systems bhi DNS ke alternative hai.

Q: DNS future me kaise develop ho sakta hai?
A: DNS future me security, privacy, aur decentralisation pe focus kiya ja sakta hai. Iske alava, DNS performance aur scalability ko improve kiya ja sakta hai taaki future ke demands ko meet kiya ja sake.

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