🛡️ Validatur tad-DNSSEC

Ivvalida l-konfigurazzjoni tad-DNSSEC

X'inhu DNSSEC?

DNSSEC (Domain Name System Security Extensions) huwa sett ta' estensjonijiet li jżidu firem diġitali mad-DNS biex jiżguraw l-integrità tad-dejta u l-awtentifikazzjoni. Jipproteġi kontra l-avvelenament tal-cache tad-DNS.

Għaliex DNSSEC huwa Essenzjali

  • Jiggarantixxi li d-dejta tad-DNS tiġi mis-sors awtoritattiv
  • Jivverifika li d-dejta ma ġietx modifikata fi transitu
  • Tipprevjeni DNS Spoofing u attakki Man-in-the-Middle
  • Iżżid il-fiduċja fl-infrastruttura tal-internet

Kif jaħdem DNSSEC

DNSSEC toħloq katina ta' fiduċja miż-żona root tad-DNS sad-dominju tiegħek:

  • DNSKEY: Ċwievet pubbliċi użati biex jivverifikaw firem Public keys used to verify signatures
  • DS (Delegation Signer): Hash taċ-ċavetta taż-żona tifel, maħżuna fiż-żona ġenitur Hash of child zone's key, stored in parent zone
  • RRSIG: Firem diġitali għal kull sett ta' rekord tad-DNS Digital signatures for each DNS record set
  • NSEC/NSEC3: Jipprova n-nuqqas ta' eżistenza ta' rekords Proves non-existence of records

Mistoqsijiet Frekwenti

Id-dominju tiegħi jappoġġja DNSSEC?

Uża l-validatur tagħna hawn fuq biex tiċċekkja. Ir-reġistratur tiegħek u l-fornitur tad-DNS iridu t-tnejn jappoġġjaw DNSSEC biex jaħdem.

Jista' DNSSEC ikisser il-websajt tiegħi?

Jekk ikkonfigurat ħażin, DNSSEC jista' jikkawża fallimenti fir-riżoluzzjoni. Dejjem ivvalida s-settings tiegħek wara li tagħmel bidliet.

DNSSEC Validator checks if a domain has properly configured DNS Security Extensions, protecting against DNS spoofing and cache poisoning with cryptographic signatures.

Key Facts

  • Only ~5% of .com domains have DNSSEC
  • Standardized in 2005 (RFC 4033-4035)
  • Root zone signed in 2010
  • Uses RSA or ECDSA algorithms

Frequently Asked Questions

What is DNSSEC?

Adds cryptographic signatures to DNS records creating a chain of trust, ensuring responses are authentic and untampered.

Why need DNSSEC?

Prevents DNS cache poisoning attacks that redirect users to malicious websites.

Does DNSSEC affect performance?

Minimal — typically 1-3ms overhead. Security benefits far outweigh the cost.

How to enable DNSSEC?

Enable signing at DNS host, then add DS record at registrar. Cloudflare offers one-click setup.