Free, fast diagnostic tools for DNS, email authentication, and network security(mrdns.com)52 points by dogsnews 6 months ago | 4 comments
The European public DNS that makes your Internet safer(dns0.eu)108 points by doener 1 year ago | 69 comments
Technitium DNS Server: Self host a DNS server for privacy and security(technitium.com)83 points by thunderbong 2 years ago | 59 comments
OpenNMS: Visualize and monitor everything on your local and distributed networks(opennms.com)74 points by teleforce 2 years ago | 38 comments
DynIP – Dynamic DNS with RFC 2136, IPv6, DNSSEC, and BYOD(dynip.dev)314 points by dynip 5 months ago | 116 comments
