How badly configured dns server can affect network response time?

A badly configured DNS server can significantly degrade network response time by introducing delays in domain name resolution. If the DNS server is slow to respond or misconfigured, it may lead to timeouts or increased latency, as clients wait longer for the server to resolve domain names to IP addresses. Additionally, improper settings can cause frequent retries and additional lookups, compounding the delay and negatively impacting overall network performance. This can result in slow-loading websites and unresponsive applications for users.