Articles: Page 5

Read about IP addresses, DNS, IPv6, and network security, with explanations of common connection problems.

What Is a DNS Cache and When Should You Clear It?

A DNS cache stores earlier lookup results that you can clear locally when outdated entries on your device persist after its DNS resolver has fresh data.

Why Do DNS Changes Take So Long?

DNS changes can appear delayed because resolvers cache old answers, negative results and delegation data until their separate lifetimes expire.

DNS Record Types Explained

Each DNS record type defines a kind of data, such as an IP address, alias, mail server, text value, service location, or certificate issuance policy.

How to Open a Public WiFi Login Page

A public WiFi login page can be opened through the device's network sign-in prompt or by visiting the venue's verified portal address after joining WiFi.