# Ads show with a 5-10 seconds delay

**URL:** https://discourse.pi-hole.net/t/ads-show-with-a-5-10-seconds-delay/79310
**Category:** Help
**Created:** [April 21, 2025, 12:54pm UTC](https://discourse.pi-hole.net/t/ads-show-with-a-5-10-seconds-delay/79310 "2025-04-21T12:54:37Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![DanSchaper](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/danschaper/32/91_2.png) [@DanSchaper](https://discourse.pi-hole.net/u/DanSchaper)
#### Post date: [April 21, 2025, 4:42pm UTC](https://discourse.pi-hole.net/t/ads-show-with-a-5-10-seconds-delay/79310/2 "2025-04-21T16:42:04Z")

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That usually means you have more than just Pi-hole as the DNS server for clients to use.

> [@Why should Pi-hole be my only DNS server?](https://discourse.pi-hole.net/t/why-should-pi-hole-be-my-only-dns-server/3376):
>
> Reduced Ad Blocking Capability The main reason you should Pi-hole as your only DNS server is that you will see increased performance in the blocking of ads. If you have two DNS servers (Pi-hole and something else), your network clients may not always query Pi-hole for name resolution. If a query happens to be answered from a non-Pi-hole DNS server, your block lists will not apply (since that DNS server doesn't know about them). All Queries Need To Go Through Pi-hole First Since other DNS serv…

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