Knowledge Base

A numerical label assigned to every device connected to a network. It identifies where a website is hosted.

DNS translates domain names to IP addresses. Records like A, MX, and NS control how your domain works.

Public registration data for a domain: who registered it, when, and when it expires.

Encrypts the connection between your browser and the website. A valid SSL means HTTPS works.

Metadata sent by the server with every response. Reveals server software, caching, and security settings.

Where the website physically lives: the server, provider, and geographic location.

Email authentication records that prevent spoofing and phishing from your domain.

HTTP headers that protect visitors from common web attacks like clickjacking and XSS.

A three-digit code indicating whether a request succeeded, redirected, or failed.

When the domain registration expires. If not renewed, the domain becomes available to others.

When the SSL certificate expires. An expired certificate causes browser security warnings.