How To Fix Common Dns Issues?

1. Improper or wrong configuration of DNS Records

The improper configuration of the DNS issue occurs if you have entered the wrong values and IP addresses of your records. As a result of this issue, you will not be able to receive or deliver emails.

Solution

To solve this DNS issue, re-configure the values and IP addresses of the records that are configured incorrectly.In most cases, records such as SPF, DKIM, and MX causes DNS server error codes.

2. High TTL values

Time To Live is denoted as TTL. If the value of your records is higher than the suggested or recommended value, then there is a chance for this issue to occur.

Use this procedures to configure how to fix common DNS issues.

Solution

To get rid of this issue, set low TTL values for your records. The main disadvantage of using low TTL is that you will have to deal with a high query load.

3. DDoS Attacks

Mostly, the DDoS attacks are created as a result of malicious attacks by hackers. Hackers perform this process by sending harmful, malicious content or by directing heavy traffic to your site.

Solution

Try to use a high-performance DDOS mitigation device.

4. Network/Hardware failures or DNS services outages

If the host machine’s hardware or network goes beyond your control, then there is a chance for the DNS server outage to occur. To troubleshoot the network/hardware failure issue, reconfigure the settings as per the instructions.