Mikrotik 2 WAN failover with recursive routing

RouterOS7

WAN1 port ether1 gateway 192.168.1.1
WAN2 port ehter2 gateway 192.168.2.1

/ip/address/
add address=192.168.1.2/24 interface=ether1
add address=192.168.2.2/24 interface=ether2


/ip/route/
add dst-address=1.0.0.1 gateway=192.168.1.1 scope=10 comment="Recursive WAN1"
add dst-address=8.8.4.4 gateway=192.168.2.1 scope=10 comment="Recursive WAN2"
add gateway=1.0.0.1 check-gateway=ping distance=1 target-scope=30 comment="Route WAN1"
add gateway=8.8.4.4 check-gateway=ping distance=2 target-scope=30 comment="Route WAN2"

/ip/firewall/nat/
add chain=srcnat out-interface=ether1 action=masquerade comment="NAT WAN1"
add chain=srcnat out-interface=ether2 action=masquerade comment="NAT WAN2"

Mikrotik Quad9 DOH (update 2023)

RouterOS 7 

/ip/dns/ set servers=9.9.9.9,149.112.112.112

/tool/fetch mode=https url="https://cacerts.digicert.com/DigiCertGlobalRootCA.crt.pem"

/certificate/import file-name=DigiCertGlobalRootCA.crt.pem

/ip/dns/ set use-doh-server=https://dns.quad9.net/dns-query verify-doh-cert=yes allow-remote-requests=yes

/tool/sniffer/quick port=53,443 ip-address=9.9.9.9,149.112.112.112

https://docs.quad9.net/Setup_Guides/Open-Source_Routers/MikroTik_RouterOS_%28Encrypted%29/