NTP
tempus1.gum.gov.pl 194.146.251.100
tempus2.gum.gov.pl 194.146.251.101
ntp.certum.pl 213.222.200.99
ntp.nask.pl 195.187.245.55
0.pl.pool.ntp.org 46.175.224.7 ; 54.37.233.160 ; 94.172.186.238 ; 149.156.70.60
DNS
Cloudflare 1.1.1.1 ; 1.0.0.1
OpenDNS 208.67.222.222 ; 208.67.220.220
OpenDNS 208.67.222.123 ; 208.67.220.123 FamilyShield
Google 8.8.8.8 ; 8.8.4.4
FortiGate 208.91.112.52 ; 208.91.112.53