### Public DNS Servers --- |Quad9: |IPv4 Addresses: | |:--------|:-------------------------------------------------| |DNS1: |9.9.9.9 | |DNS2: |9.9.9.10 | |Source: |[https://www.quad9.net](https://www.quad9.net) | --- |OpenDNS:|IPv4 Addresses: | |:-------|:-------------------------------------------------| |DNS1: |208.67.220.220 | |DNS2: |208.67.222.222 | |Source: |[https://www.opendns.com](https://www.opendns.com)| --- |DNSWatch:|IPv4 Addresses: | |:--------|:-------------------------------------------------| |DNS1: |84.200.69.80 | |DNS2: |84.200.70.40 | |Source: |[https://dns.watch](https://dns.watch) | --- |Level3: |IPv4 Addresses: | |:--------|:-----------------------------------------------------| |DNS1: |209.244.0.3 | |DNS2: |209.244.0.4 | |DNS3: |4.2.2.1 | |DNS4: |4.2.2.2 | |DNS5: |4.2.2.3 | |DNS6: |4.2.2.4 | |Source: |[http://www.level3.com/en/](http://www.level3.com/en/)| --- |Comodo: |IPv4 Addresses: | |:--------|:-----------------------------------------------------------------------| |DNS1: |8.26.56.26 | |DNS2: |8.20.247.20 | |Source: |[https://www.comodo.com/secure-dns/](https://www.comodo.com/secure-dns/)| ---