It’s almost symbolic—a fresh start for your internet browsing. When you clear out those old records, your system shortens the time it takes to resolve domain names—meaning that websites can load faster. Studies have shown that up to 30% of total page load times can be due to DNS resolution delays. Tackling these potential slowdowns directly can lead to more efficient surfing. Please add IMAP and SMTP settings to your Outlook app, you'll need to manually configure the account settings.

Step II: Check Network Settings

By issuing them periodically or whenever connectivity issues arise, Troubleshoot Office 365 Sync and Login Issues you ensure that your connection remains robust and error-free. After rebuilding the OST file, it’s important to check for any missing mailbox data. If you find any missing items in the new OST file, you can recover them from the backup OST file using Stellar Converter for OST. This professional OST to PST converter tool can extract data from the backup OST file and convert it into PST file, which you can easily import into Outlook. You can easily search for the missing items, select them, and save them in PST and other file formats, such as MSG, EML, RTF, HTML and PDF.

• This isn’t unusual—specific hiccups can arise when the system is still resolving domain name associations post-flush.
• When you navigate to a website, your system refers to the DNS cache to find the related IP address.
• Most modern Linux distributions, especially those based on Ubuntu, utilize systemd-resolved or dnsmasq, while RedHat-based distributions often run the Name Server Cache Daemon (Nscd).
• Each of these commands plays a vital role—essentially refreshing your system’s memory regarding domain names.
• Tackling these potential slowdowns directly can lead to more efficient surfing.
• If the connection is slow or inconsistent, you can restart the router or contact your internet provider/IT admin for help.

Method 2: Check if the Work Offline Mode is Disabled

This tool is designed to extract mailbox items from orphaned or inaccessible OST files. This command checks the listening services for DNS queries on port 53. Being informed about your system’s configuration allows for a much smoother experience when addressing connectivity issues later on. By adopting rebuild Outlook data file quickly flushing DNS cache as part of your routine tech maintenance, you’re better equipped to tackle frustrating internet issues while enhancing both speed and security.



Flushing the DNS cache on your MacBook Pro running macOS Ventura is an essential troubleshooting step that can help resolve connectivity issues disable faulty add-ins in Outlook often caused by outdated or corrupted entries. Additionally, if your system feels sluggish, it’s a good idea to delete applications that are no longer needed to free up space and improve overall performance. Over time, as you browse and download various files, your system may store incorrect DNS information that leads to frustrating loading errors or inability to connect to certain websites.

Solutions to Fix the Sync Issues in Outlook

To resolve this, you can reduce the Outlook data file (OST) size. This can help optimize Outlook’s performance and fix the synchronization issues. When he reboots his laptop, he cannot connect to Exchange via Outlook. If he flushes DNS, he can reconnect even though the address/host name doesn’t change and his pingpath is unaltered.

The journey of an Email: From sender’s domain to recipient’s inbox!

Imagine being able to load websites faster just by executing this simple command! This procedure proves especially useful if you’ve noticed that certain web pages are loading slowly or displaying outdated information after changes were made in your network configuration. This often happens because the cached DNS record is stale or incorrect. Flushing that cache wipes the slate clean, allowing your computer’s resolver to fetch the latest and most accurate IP addresses for websites. However, it’s worth noting some concerns from users on community forums regarding whether flushing the DNS could disrupt active connections.



It’s happened twice today, where I get a PC which is not connecting to Exchange server. I have no issues sending email from same account from my phone, laptop, or web mail. Moving forward from a simple reboot, we now focus on ensuring that your network settings are configured correctly. If prompted, enter your password—this is required for administrative privileges. Remember that while you type your password, no characters will appear in the Terminal for security reasons; just hit Enter once you’ve typed it.

Method 11: Clear Outlook Cache

Open forum for Exchange Administrators / Engineers / Architects and everyone to get along and ask questions. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.



Addressing these problems effectively often boils down to a few strategic troubleshooting steps. When it comes to troubleshooting your internet connection, understanding how a simple act like flushing your DNS cache can remedy multiple problems is key. Our devices thrive on accurate information and speed when connecting to the vast landscape of the internet. Unfortunately, outdated or corrupted DNS entries can disrupt this flow, resulting in frustrating experiences.