Pi-Hole Failed Host Check after added domain/IP combination

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1

Hi everyone. I have setup Pi-Hole with Nginx and diet-pi.

My Pi-Hole IP: 192.168.91.56
My Pi-Hole hostname: monday

I added the doamin/IP combination (monday.lan | 192.168.91.56), accessed to http://monday.lan/admin/login.php and everything seems fine. But after login and direct to http://monday.lan/admin/index.php, it shows:

Failed Host Check: monday.lan vs 192.168.91.56, monday, pi.hole, localhost

I found some posts but being confused. So I am here and call for help. Thank you!

Details about my system:

/etc/nginx/sites-available/default

# /etc/nginx/sites-available/default
server {
        listen 80 default_server;
        listen [::]:80 default_server;

        root /var/www/;
        index index.php index.html index.htm index.nginx-debian.html;

        server_name "$hostname";
        include /etc/nginx/sites-dietpi/*.conf;

        location / {
                try_files $uri $uri/ =404;
        }

        location ~ \.php(?:$|/) {
                include snippets/fastcgi-php.conf;
                fastcgi_pass php;
        }
}

Edited: mistyped words
Edited2: mistyped words

2

There's a typo in there, it says "monady". Is that you mistyping it here in this forum, or is the typo present in the config and possibly a cause?

1 Like
3

Yes I mistype it, edited, thanks.

4

Did the correction of the typo fix the issue? Or was it only a typo here in the forum?

5

It was only a typo here in the forum.

6

Hi, did anyone know how to fix? Thanks!

7

What is the relationship between monday.lan and lingcat.cct.lan? What are these local domains being used for? Why does logging in to Pi-hole using the first domain then change over to the second domain? As a reference, if you log in using the domain pi.hole or the IP address, does that work or does that also exhibit some problem?

8

lingcat.cct.lan is my another server's domain/IP combination assigned to my monday pi hole. I double checked and I figured out that I mistyped in the post again, maybe I copy&paste the wrong domain when I wrote the post. I edited the post again, sorry.

9

I have dig out that if you want to make to domain/IP combination works in pi hole w/nginx, the hostname has to be the same as the domain you assign. Just like:

Before:
hostname: monday
domain: monday.lan

After:
hostname: monday.lan
domain: manday.lan

And the issue fixed.

10

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