Nginx Proxy IPv6 error 404

[TomBraun02]

Describe the bug
Own external Nginx proxy running with IPv4 and IPv6..

To Reproduce
Send Whatsapp Messeg to other Whatsapp user

matrix_domain: test.me
matrix_homeserver_implementation: synapse
matrix_homeserver_generic_secret_key: "xxxxxxxxxxx"
matrix_synapse_federation_enabled: true
matrix_ssl_lets_encrypt_support_email: 'matrix@test.me'
matrix_postgres_connection_password: xxxxxxxxxxxxxxx
matrix_nginx_proxy_enabled: false
matrix_ssl_retrieval_method: none
matrix_mautrix_whatsapp_enabled: true

Don't work 404
2a02:3030:808:d10d:44c:2a4c:10d2:60d - - [11/May/2022:22:10:55 +0200] "PUT /_matrix/client/r0/rooms/!JvjIAAAiapcRBAKJey:eller.me/send/m.room.message/kMXEventLocalId_7D580D15-6132-4594-B90C-A6112EA3A382-29462-000004F02A7757E4 HTTP/1.1" 404 261 "-" "Riot/1.8.14 (iPhone; iOS 15.4.1; Scale/3.00)"

Work 200
79.223.199.61 - - [11/May/2022:22:12:36 +0200] "PUT /_matrix/client/r0/rooms/!JvjIAAAiapcRBAKJey:eller.me/send/m.room.message/kMXEventLocalId_7D580D15-6132-4594-B90C-A6112EA3A382-29462-000004F02A7757E4 HTTP/1.1" 200 90 "-" "Riot/1.8.14 (iPhone; iOS 15.4.1; Scale/3.00)"

Matrix Server:

• OS: Ubuntu 22.04
• Architecture amd64

matrix.conf
server {
    server_name matrix.test.me;

    server_tokens off;
    root /dev/null;
    gzip on;
    gzip_types text/plain application/json;
    add_header Permissions-Policy interest-cohort=() always;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-XSS-Protection "1; mode=block";
    location /.well-known/matrix {
        root /matrix/static-files;
        expires 4h;
        default_type application/json;
        add_header Access-Control-Allow-Origin *;
    }
    location ^~ /_matrix/identity {
        proxy_pass http://127.0.0.1:8090;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
    location ^~ /_matrix/client/r0/user_directory/search {
        proxy_pass http://127.0.0.1:8090;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $remote_addr;
    }
    location /042bbbb-1949-bbbb-bbbb-7179ffbcbbbb {
        proxy_pass http://127.0.0.1:9006;
     }
    location ~* ^(/_matrix|/_synapse/client) {
        proxy_pass http://127.0.0.1:12080;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto $scheme;
        client_body_buffer_size 25M;
        client_max_body_size 50M;
        proxy_max_temp_file_size 0;
    }
    location ~* ^/$ {
        return 302 $scheme://element.test.me$request_uri;
    }
}
server {
    listen 8448 ssl http2;
    listen [::]:8448 ssl http2;
    server_name matrix.test.me;
    server_tokens off;
    root /dev/null;
    gzip on;
    gzip_types text/plain application/json;
    location / {
        proxy_pass http://127.0.0.1:12088;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header X-Forwarded-Proto $scheme;
        client_body_buffer_size 25M;
        client_max_body_size 150M;
        proxy_max_temp_file_size 0;
    }
    ssl_certificate /etc/letsencrypt/live/test.me/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/test.me/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
}
server {
    if ($host = matrix.test.me) {
        return 301 https://$host$request_uri;
        listen 80;
        listen [::]:80;
        server_name matrix.test.me;
}

matrix-synapse.conf:
server {
        listen 12080;
        server_tokens off;
        root /dev/null;
        gzip on;
        gzip_types text/plain application/json;
        location / {
                        proxy_pass http://127.0.0.1:8008;

                proxy_set_header Host $host;

                client_body_buffer_size 25M;
                client_max_body_size 50M;
                proxy_max_temp_file_size 0;
        }
}
server {
        listen 12088;
        server_tokens off;
        root /dev/null;
        gzip on;
        gzip_types text/plain application/json;
        location / {
                        proxy_pass http://127.0.0.1:8048;
                proxy_set_header Host $host;
                client_body_buffer_size 25M;
                client_max_body_size 150M;
                proxy_max_temp_file_size 0;
        }
}

[JokerGermany]

Hello, at the moment i am looking in a similar problem. #1914
Can you pls look into the directory /matrix/nginx-proxy/conf.d/ and upload every file which has proxy_pass http://localhost or something like that in it?