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Web Solution Master Blog

What Is EDNS, and Why Was It Introduced?

What Is EDNS, and Why Was It Introduced?

Run dig against almost any domain and you'll see a line you've probably skimmed past a hundred times: ; EDNS: version: 0, flags:; udp: 1232. That

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What Is a Fully Qualified Domain Name (FQDN)?

What Is a Fully Qualified Domain Name (FQDN)?

You add a CNAME record pointing www to example.net, save it, and the site breaks. A lookup shows the record now points to `example.net.example.co

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What Are Internationalized Domain Names (IDN) and Punycode?

What Are Internationalized Domain Names (IDN) and Punycode?

A client in Germany registers münchen-bäckerei.de, a shop in Russia runs on a .рф domain, and a Japanese brand wants its name in kanji. They type

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What Is the Difference Between a Domain Registrar and a DNS Host?

What Is the Difference Between a Domain Registrar and a DNS Host?

You log into the company that sold you your domain, add an A record, wait an hour, and nothing changes. Then someone points out that your DNS is actu

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What Are Vanity Name Servers, and Should You Use Them?

What Are Vanity Name Servers, and Should You Use Them?

Look up the nameservers for a domain hosted on Cloudflare and you'll see something like amy.ns.cloudflare.com. Look up a domain managed by a hostin

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How to Flush the DNS Cache on Windows, macOS, and Linux?

How to Flush the DNS Cache on Windows, macOS, and Linux?

You've updated an A record, the new server is live, and your colleague on the other side of the office sees the new site. Your own laptop, though, ke

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