# Pi.hole cannot be found

**URL:** https://discourse.pi-hole.net/t/pi-hole-cannot-be-found/17889
**Category:** Help
**Created:** [March 1, 2019, 6:38pm UTC](https://discourse.pi-hole.net/t/pi-hole-cannot-be-found/17889 "2019-03-01T18:38:18Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![deHakkelaar](https://discourse-cdn.pi-hole.net/user_avatar/discourse.pi-hole.net/dehakkelaar/32/674_2.png) [@deHakkelaar](https://discourse.pi-hole.net/u/deHakkelaar)
#### Post date: [March 17, 2019, 2:45pm UTC](https://discourse.pi-hole.net/t/pi-hole-cannot-be-found/17889/5 "2019-03-17T14:45:14Z")

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Also check if your router DHCP service dishes out the correct details to its clients using the `nmap` tool on Pi-hole:

> [@Pi-Hole not blocking ads](https://discourse.pi-hole.net/t/pi-hole-not-blocking-ads/16700/18):
>
> Sounds like the Asus router is pushing two DNS servers to the clients via DHCP: [https://discourse.pi-hole.net/t/why-are-adverts-on-some-domains-not-blocked/5972](https://discourse.pi-hole.net/t/why-are-adverts-on-some-domains-not-blocked/5972) If want to know for sure, install nmap on Pi-hole: sudo apt install nmap And do a DHCP discovery targeting the "\<ASUS\_ROUTER\_IP\_ADDRESS\>": sudo nmap -sU -p67 --script dhcp-discover \<ASUS\_ROUTER\_IP\_ADDRESS\>

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