FiOS DNS Servers

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Updated on May 23, 2022

Verizon routers make internet linkup easy and reliable. However, some users might experience trouble connecting over several networks, especially with sketchy DNS addresses. 

Domain Name System (DNS) are 4 – 12-character long addresses set on your Verizon FiOS router to support internet access. All Verizon FiOS routers ship with a primary (default) and secondary (alternate) DNS address.

DNS servers translate readable website names into IP addresses. It helps routers process requests to correct IP addresses of websites. 

Sourcing the right DNS server addresses for your Verizon FiOS router could be challenging without correct information. That’s why this guide provides vital information to get you correct FiOS DNS addresses with ease. 

Taking cues from this guide makes internet connectivity hassle-free every time!

What is the Default DNS Server for Verizon FiOS?

The default DNS server addresses for Verizon FiOS are, and and are usually primary DNS addresses while is a default secondary DNS address.

Note that Verizon DNS server addresses could be different based to your location. 

What are the Best FiOS DNS Servers?

The best FiOS DNS servers are usually its preset options; however, several options exist from third-party providers. 

Google ( OpenDNS ( are common options too. However, great DNS servers from Comodo Secure, Verisign, CloudFlare, DNS Watch, etc. can work with your FiOS router. 

But you need to check the default Verizon servers at your location for any alternatives. Verizon has dozens of dedicated servers for different locations around the US.

How to Open DNS Server Page from Verizon Router

Step 1: Log in to your Verizon FiOS router gateway

Step 1: Log in to your Verizon FiOS router gateway

Step 2: Click on ‘My Network’ tab

Step 2: Click on ‘My Network’ tab

Step 3: Select Network Connections

Step 4: Tap Broadband Connection (Ethernet/COAX)

Step 5: Click Settings button

Step 6: Scroll through Settings menu to locate DNS server page

Next, scroll to the DNS server page under Settings. You will see a primary and secondary DNS address in separate boxes for your router. 

How to Change DNS Server Settings on Verizon FiOS

Step 1: Log in to your Verizon FiOS router gateway

First, access your browser’s gateway by logging into Next, enter your admin password pasted at the side of your router. 

Entering the correct admin password authenticates your login. 

Step 2: Click on ‘My Network’ tab

You will be redirected to a dashboard with options. Tap the ‘My Network’ tab (between Wireless Settings and Firewall).

Step 3: Select Network Connections

Next, click ‘Network Connections’ from the left navigation pane. Clicking Network Connections sends you to a submenu displaying all connected linkup paths. 

Step 4: Tap Broadband Connection (Ethernet/COAX)

Select Broadband Connection (Ethernet/COAX) from all options available.

Step 5: Click Settings button

You will be redirected to a dedicated menu for Broadband Connections (Ethernet/COAX). Scroll to the Settings button (bottom of your screen).

Step 6: Enter DNS Server window and change primary/alternative (secondary) server variables

Change settings at the DNS server dropdown menu to “Use the following DNS addresses”. You can change the ‘Primary’ and ‘Secondary’ DNS addresses in both boxes provided. 

Delete the default DNS server addresses and add new ones preferred to facilitate internet linkup on your network.  

Step 7: Apply and return

Next, click on Apply, go back to the main menu, and close the gateway application. 

How to Fix FiOS DNS Server Not Working 

First way to fix FiOS DNS server not working: Flush DNS cache (Windows)

Step 1: Open Command Prompt

Tap Start > Windows Search cmd or use ‘Windows + R’ > Type ‘cmd’ in the Open: bar and click OK. 

Step 2: Type ‘ipconfig /flushdns’ and tap Enter

Next, type ipconfig /flushdns in the Command Prompt window before tapping Enter. 

Second way to fix FiOS DNS server not working: Flush DNS cache (macOS)

Step 1: Open terminal

First, open the Terminal window on your macOS device by pressing F4 and typing terminal in your Launchpad search window.

Step 2: Enter compatible command

macOS X Yosemite: sudo discoveryutil udnsflushcaches

macOS X Snow Leopard: sudo dscacheutil -flushcache

macOS X Leopard: sudo lookupd –flushcache

macOS X El Capitan, macOS Sierra, X Lion, X Mavericks, X Mountain Lion: sudo killall -HUP mDNSResponder

macOS Mojave: sudo killall -HUP mDNSResponder

macOS High Sierra: sudo killall -HUP mDNSResponder

macOS Catalina: sudo killall -HUP mDNSResponder

macOS Big Sur: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

Third way to fix FiOS DNS server not working: Restarting your FiOS router

You can also fix a faulty DNS server by restarting your router, deactivating your antivirus switching web browsers, or using a different DNS address. 

Can Verizon FiOS Work with Public DNS Servers?

Verizon FiOS can function properly through open access DNS servers. Popular, public DNS servers that work with Verizon FiOS are from OpenDNS and Google. 

Popular OpenDNS servers to run your Verizon FiOS are (primary) and (secondary). Google also provides the and DNS servers for users. 

Resetting your Verizon router to its factory default will return its preset DNS servers and wipe out your preferred setup.