miji.beDNS over HTTPS (DoH) encrypts DNS queries by transmitting them within HTTPS connections to a DoH-compatible resolver. RFC 8484 (October 2018) lists preventing on-path devices from interfering with DNS operations as one of the two primary use cases considered during its development. DoH uses HTTPS, typically on the default port 443; RFC 8484 notes that this and mixing DoH with other HTTPS traffic can make DNS traffic analysis more difficult. Browsers such as Firefox and Chrome support DoH, and public DoH resolvers are operated by Cloudflare (1.1.1.1), Google Public DNS, and others. For URL shortening services, DoH affects DNS resolution performance and observability. When users resolve short link domains through a public DoH resolver, DNS-based analytics and geographic routing on the service side may be affected.
DNS over HTTPS
A protocol that encrypts DNS queries via HTTPS. Prevents DNS interception and tampering by ISPs or man-in-the-middle attackers, protecting user privacy.
Oct 31, 2026 / About 1 min read
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Related Terms
DNS Resolution
The process of translating a human-readable domain name into the IP address of the server hosting the website.
HTTPS
The secure version of HTTP that encrypts data transmitted between a browser and a web server using TLS.
Man-in-the-Middle Attack
A cyberattack in which an attacker intercepts communication between two parties to eavesdrop on or tamper with data. HTTPS adoption has driven countermeasures forward.
HSTS
HTTP Strict Transport Security - a header that forces browsers to only connect to a website using HTTPS.
DNS Prefetch
A browser optimization that resolves link destination domain names in advance. Reduces page load time when a user clicks a link.
SSL/TLS
Cryptographic protocols that provide secure communication over the internet by encrypting data between client and server.
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