I never ever link my Android to public Wi-Fi without altering this one setting

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Released Oct 1, 2026, 8:00 AM EDT

Pankil is a Civil Engineer turned independent author from Ahmedabad, India. As a veteran Windows and Android user, he has comprehensive understanding of both running systems and focuses on producing how-tos and repairing guides.

Pankil has actually been composing about Windows, Android, and iOS considering that 2021. He has actually edited 2000 posts throughout trusted publications like MakeUseOf, Android AuthorityGuidingTechand TechWiser

Beyond his composing undertakings, Pankil is a devoted football fan and likes to prepare his global journeys with his spouse in his downtime.

I utilize public Wi-Fi all the time, and if there’s something I constantly alter before I really begin utilizing it, it’s the Private DNS setting. It’s simple to neglect, however altering it suggests I do not need to count on whatever DNS server the general public network is utilizing. It’s not a sure-fire service by any ways, however it’s totally free, and it does provide me another layer of defense.

Public Wi-Fi includes dangers you should not neglect

There’s a factor they have a bad credibility

Public Wi-Fi is practical, and often the only alternative when you’re not getting any cell protection or have actually lacked information. Those totally free networks you get at the airport, coffee store, hotel, shopping center, and the majority of other public locations are a huge security threat, primarily due to the fact that you’ve no concept who else is on the network or how it’s set up.

Among the issues is the DNS that public Wi-Fi usages. At your office or home, the default DNS is generally the one offered by your ISP or one you’ve set yourself. On a public network, you never ever truly understand what DNS the router is utilizing. The network service provider might be utilizing their own DNS or the owner might have established a custom-made one. This does not always suggest they’re seeing whatever you

do online, however it’s a possibility.

An improperly set up DNS is likewise a liability due to the fact that somebody might damage your DNS demands. You might attempt to open Microsoft’s site, however the DNS might reroute you to a phony login page that looks similar. This is called DNS spoofing, and it reveals Wi-Fi a bit more complex than simply linking and getting online.

Altering DNS is the most convenient method to keep yourself protect

It’s not sure-fire, however it still assists

You might not have any control over the DNS of a public Wi-Fi, however you can alter the default DNS server on your Android phone. This bypasses whatever the network is utilizing, so you can be sure that your DNS inquiries are dealt with by a trustworthy network company you really trust.

It’s likewise a one-time modification. When you set a DNS supplier, it uses to every network you sign up with, so you do not need to duplicate the procedure whenever. Android’s Private DNS utilizes DNS-over-TLS to secure DNS inquiries in between your phone and the DNS service provider, that makes it harder for somebody to sleuth on or damage those demands. It likewise suggests the general public Wi-Fi company isn’t managing your DNS lookups at all.

Before setting it up, you require to select the DNS supplier. You’re ruined for options here, as there are a lot of alternatives like Google DNS, Cloudflare, AdGuard, NextDNS, Quad9, and numerous others. They all focus on various things, so you’ll wish to choose the one that’s right for you. Google and Cloudflare are the fastest and most trusted. If you desire a DNS that can likewise obstruct advertisements, AdGuard is a popular option. Quad9 concentrates on the personal privacy side, while NextDNS uses more control over filtering.

When you’ve chosen a DNS you wish to utilize, head to Settings>> Connections> More connection settings>> Private DNSGet in the address of your favored DNS company. Android does not accept easy IP addresses like 8.8.8.8 or 1.1.1.1so you’ll need to get in the DNS company’s hostname. For Google Public DNS, that’s dns.googleFor AdGuard DNS, it’s dns.adguard-dns. comYou can discover the proper host name on the DNS service provider’s site.

You can do more …

Altering the DNS is a simple method to include another layer of defense, however I do not wish to oversell it due to the fact that it’s not a total service. DNS just deals with the procedure of equating domain into IP addresses. It does not secure whatever your phone sends out and gets, so you should not rely on a personal DNS alone to keep yourself protect on a public network.

If I’m going to invest a great deal of time on a public network, a VPN is the more safe choice. It secures your web traffic in between your phone and the VPN server. Even with VPNs themselves, you require to choose one you in fact trust.

If you utilize a totally free, no-name VPN service, you run the risk of turning over your information to the VPN company rather. Yes, selecting the ideal VPN matters simply as much as utilizing one. If you desire a complimentary alternative, Proton VPN is one that’s worth attempting, since its complimentary strategy does not have an information limitation.

Make sure the security includes on your Android phone are turned on. Google’s Safe Browsing, for example, can alert you about phony sites that may take your information or inject malware. It’s finest to guarantee that all those functions are set up properly.

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