DNS on Ricky

Mosdns-X

Sun, 09 Nov 2025 20:32:00 +0800

install

bash <(curl -sL https://raw.githubusercontent.com/lidebyte/bashshell/refs/heads/main/mosdns-x-manager.sh)

config

sudo tee /etc/mosdns-x/config.yaml > /dev/null <<'EOF'
# mosdns-x concurrent query (no split routing) config

log:
 level: info
 file: /var/log/mosdns-x/mosdns-x.log

plugins:
 # Cache plugin
 - tag: cache
 type: cache
 args:
 size: 1024
 lazy_cache_ttl: 1800

 # Concurrent upstreams: take the first usable answer
 - tag: forward_all
 type: fast_forward
 args:
 upstream:
 # AliDNS
 - addr: "udp://223.5.5.5"
 - addr: "tls://dns.alidns.com"

 # DNSPod / doh.pub
 - addr: "udp://119.29.29.29"
 - addr: "tls://dot.pub"

 # Cloudflare
 - addr: "udp://1.1.1.1"
 - addr: "tls://cloudflare-dns.com"

 # Google
 - addr: "udp://8.8.8.8"
 - addr: "tls://dns.google"

 # Main pipeline: small cache -> concurrent selection
 - tag: main
 type: sequence
 args:
 exec:
 - cache
 - forward_all

# Listen on dual-stack UDP/TCP 53
servers:
 - exec: main
 listeners:
 - addr: :53
 protocol: udp
 - addr: :53
 protocol: tcp
EOF

systemd

sudo tee /etc/systemd/system/mosdns.service > /dev/null <<'EOF'
[Unit]
Description=Mosdns-X DNS Accelerator
After=network.target

[Service]
Type=simple
User=root
Group=root
ExecStart=/usr/local/bin/mosdns-x start --as-service -d /usr/local/bin -c /etc/mosdns-x/config.yaml
Restart=always
RestartSec=5
StandardOutput=journal
StandardError=journal
SyslogIdentifier=mosdns

[Install]
WantedBy=multi-user.target
EOF

sudo systemctl daemon-reload
sudo systemctl enable --now mosdns

# Backup system DNS
sudo cp -n /etc/resolv.conf /etc/resolv.conf.mosdns-backup

# Switch to local Mosdns-X
echo -e "nameserver 127.0.0.1\noptions edns0" | sudo tee /etc/resolv.conf

# If port 53 is occupied by systemd-resolved, disable it
sudo systemctl disable --now systemd-resolved 2>/dev/null || true

# If you also want to lock it (prevent DHCP changes), run chattr too:
echo -e "nameserver 127.0.0.1\n" > /etc/resolv.conf && chattr +i /etc/resolv.conf

# Check process status
sudo systemctl status mosdns --no-pager

# Test resolution speed (second run should hit cache)
dig +stats www.google.com
dig +stats www.baidu.com

# View logs in real time
tail -f /var/log/mosdns-x/mosdns-x.log

What happens after you type a URL in the browser and press Enter?

Sun, 18 Jul 2021 23:45:45 +0800

What happens after you type a URL in the browser and press Enter?

Install PowerDNS and PowerDNS-Admin on Ubuntu 22.04|20.04|18.04

Fri, 25 Sep 2020 09:38:17 +0800

Install PowerDNS

$ sudo apt update
$ sudo apt install mariadb-server -y

$ sudo mysql -u root

CREATE DATABASE powerdns;
GRANT ALL ON powerdns.* TO 'powerdns'@'localhost' IDENTIFIED BY 'Str0ngPasswOrd';
FLUSH PRIVILEGES;
USE powerdns;
CREATE TABLE domains (
 id INT AUTO_INCREMENT,
 name VARCHAR(255) NOT NULL,
 master VARCHAR(128) DEFAULT NULL,
 last_check INT DEFAULT NULL,
 type VARCHAR(6) NOT NULL,
 notified_serial INT UNSIGNED DEFAULT NULL,
 account VARCHAR(40) CHARACTER SET 'utf8' DEFAULT NULL,
 PRIMARY KEY (id)
) Engine=InnoDB CHARACTER SET 'latin1';

CREATE UNIQUE INDEX name_index ON domains(name);


CREATE TABLE records (
 id BIGINT AUTO_INCREMENT,
 domain_id INT DEFAULT NULL,
 name VARCHAR(255) DEFAULT NULL,
 type VARCHAR(10) DEFAULT NULL,
 content VARCHAR(64000) DEFAULT NULL,
 ttl INT DEFAULT NULL,
 prio INT DEFAULT NULL,
 change_date INT DEFAULT NULL,
 disabled TINYINT(1) DEFAULT 0,
 ordername VARCHAR(255) BINARY DEFAULT NULL,
 auth TINYINT(1) DEFAULT 1,
 PRIMARY KEY (id)
) Engine=InnoDB CHARACTER SET 'latin1';

CREATE INDEX nametype_index ON records(name,type);
CREATE INDEX domain_id ON records(domain_id);
CREATE INDEX ordername ON records (ordername);


CREATE TABLE supermasters (
 ip VARCHAR(64) NOT NULL,
 nameserver VARCHAR(255) NOT NULL,
 account VARCHAR(40) CHARACTER SET 'utf8' NOT NULL,
 PRIMARY KEY (ip, nameserver)
) Engine=InnoDB CHARACTER SET 'latin1';

CREATE TABLE comments (
 id INT AUTO_INCREMENT,
 domain_id INT NOT NULL,
 name VARCHAR(255) NOT NULL,
 type VARCHAR(10) NOT NULL,
 modified_at INT NOT NULL,
 account VARCHAR(40) CHARACTER SET 'utf8' DEFAULT NULL,
 comment TEXT CHARACTER SET 'utf8' NOT NULL,
 PRIMARY KEY (id)
) Engine=InnoDB CHARACTER SET 'latin1';

CREATE INDEX comments_name_type_idx ON comments (name, type);
CREATE INDEX comments_order_idx ON comments (domain_id, modified_at);


CREATE TABLE domainmetadata (
 id INT AUTO_INCREMENT,
 domain_id INT NOT NULL,
 kind VARCHAR(32),
 content TEXT,
 PRIMARY KEY (id)
) Engine=InnoDB CHARACTER SET 'latin1';

CREATE INDEX domainmetadata_idx ON domainmetadata (domain_id, kind);


CREATE TABLE cryptokeys (
 id INT AUTO_INCREMENT,
 domain_id INT NOT NULL,
 flags INT NOT NULL,
 active BOOL,
 content TEXT,
 PRIMARY KEY(id)
) Engine=InnoDB CHARACTER SET 'latin1';

CREATE INDEX domainidindex ON cryptokeys(domain_id);


CREATE TABLE tsigkeys (
 id INT AUTO_INCREMENT,
 name VARCHAR(255),
 algorithm VARCHAR(50),
 secret VARCHAR(255),
 PRIMARY KEY (id)
) Engine=InnoDB CHARACTER SET 'latin1';

CREATE UNIQUE INDEX namealgoindex ON tsigkeys(name, algorithm);

$ sudo systemctl disable systemd-resolved
$ sudo systemctl stop systemd-resolved

$ ls -lh /etc/resolv.conf
lrwxrwxrwx 1 root root 39 Jul 24 15:50 /etc/resolv.conf -> ../run/systemd/resolve/stub-resolv.conf
$ sudo unlink /etc/resolv.conf

$ echo "nameserver 8.8.8.8" | sudo tee /etc/resolv.conf

Add official PowerDNS repository for Ubuntu 22.04|20.04|18.04.