Tools to check website – dns – email hosting status

DNS health check:

Website check:

Check IP whitelist:

Azure speed test:

AWS speedtest:

Linode speed test: https://www.linode.com/speedtest

https://www.lifewire.com/internet-speed-test-sites-2626177

Free & Public DNS Servers (Valid January 2018)

https://servers.opennic.org/

Provider Primary DNS Server Secondary DNS Server
Level31 209.244.0.3 209.244.0.4
Verisign2 64.6.64.6 64.6.65.6
Google3 8.8.8.8 8.8.4.4
Quad94 9.9.9.9 149.112.112.112
DNS.WATCH5 84.200.69.80 84.200.70.40
Comodo Secure DNS 8.26.56.26 8.20.247.20
OpenDNS Home6 208.67.222.222 208.67.220.220
Norton ConnectSafe7 199.85.126.10 199.85.127.10
GreenTeamDNS8 81.218.119.11 209.88.198.133
SafeDNS9 195.46.39.39 195.46.39.40
OpenNIC10 69.195.152.204 23.94.60.240
SmartViper 208.76.50.50 208.76.51.51
Dyn 216.146.35.35 216.146.36.36
FreeDNS11 37.235.1.174 37.235.1.177
Alternate DNS12 198.101.242.72 23.253.163.53
Yandex.DNS13 77.88.8.8 77.88.8.1
UncensoredDNS14 91.239.100.100 89.233.43.71
Hurricane Electric15 74.82.42.42
puntCAT16 109.69.8.51