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Once I configured my Mikrotik router (RouterBOARD 962UiGS-5HacT2HnT) to use static routes, like on the picture:

I was using Debian 8 then and it worked flawlessly, I could access my smartphone, printer and other hardware from my laptop on the same WiFi.

Then I switched to Ubuntu 18.04 and my configuration stopped working. I can not use router.l/ or walkman.l/ or any TLD .l addresses any more.

How can I use these static routes in Ubuntu 18.04 to my convenience?

The systemd-resolve --status output is:

Global
 DNSSEC NTA: 10.in-addr.arpa
 16.172.in-addr.arpa
 168.192.in-addr.arpa
 17.172.in-addr.arpa
 18.172.in-addr.arpa
 19.172.in-addr.arpa
 20.172.in-addr.arpa
 21.172.in-addr.arpa
 22.172.in-addr.arpa
 23.172.in-addr.arpa
 24.172.in-addr.arpa
 25.172.in-addr.arpa
 26.172.in-addr.arpa
 27.172.in-addr.arpa
 28.172.in-addr.arpa
 29.172.in-addr.arpa
 30.172.in-addr.arpa
 31.172.in-addr.arpa
 corp
 d.f.ip6.arpa
 home
 internal
 intranet
 lan
 local
 private
 test

Link 7 (br-72aa4e183073)
 Current Scopes: none
 LLMNR setting: yes
MulticastDNS setting: no
 DNSSEC setting: no
 DNSSEC supported: no

Link 6 (docker0)
 Current Scopes: none
 LLMNR setting: yes
MulticastDNS setting: no
 DNSSEC setting: no
 DNSSEC supported: no

Link 5 (virbr0-nic)
 Current Scopes: none
 LLMNR setting: yes
MulticastDNS setting: no
 DNSSEC setting: no
 DNSSEC supported: no

Link 4 (virbr0)
 Current Scopes: none
 LLMNR setting: yes
MulticastDNS setting: no
 DNSSEC setting: no
 DNSSEC supported: no

Link 3 (wlp2s0)
 Current Scopes: DNS
 LLMNR setting: yes
MulticastDNS setting: no
 DNSSEC setting: no
 DNSSEC supported: no
 DNS Servers: 192.168.88.1
 62.179.1.61
 62.179.1.63

Link 2 (enp3s0)
 Current Scopes: none
 LLMNR setting: yes
MulticastDNS setting: no
 DNSSEC setting: no
 DNSSEC supported: no