NLnet Labs is a not-for-profit foundation with a long history in research and development, Internet architecture and governance, as well as stability and security in the area of DNS and inter-domain routing. This is only possible with the support of our community.

Our thanks go out to these organisations for letting us focus on what we do best: write awesome open-source software and do groundbreaking research.

Long-Term Sponsors

We would like to pay special tribute to these organisations for their long-term and significant financial contribution.

SIDN and NLnet Labs have established a long running partnership on technical cooperation. The first five-year agreement was established in 2012 and extended for another five years in 2017.

Infoblox generously sponsors the continued development of our open source DNS software.

Internetstiftelsen, also known as the Swedish Internet Foundation, supports the development of our DNS software, in particular OpenDNSSEC.

The Brazilian Network Information Centre – NIC.br has committed to offering RPKI services for their members in 2019. For this purpose, they help fund the development of the NLnet Labs RPKI toolset throughout 2020 and 2021.

To help make BGP routing more secure, the Comcast Innovation Fund sponsors the development of our RPKI toolset, including Krill, Routinator and RTRTR.

Feature Sponsors

These organisations have sponsored the development of open-source functionality in our products, making them available for entire community. Learn more about sponsored features.

Sunet, the Swedish University Computer Network, sponsors several major features in our DNS resolver Unbound, in particular Response Policy Zones and PROXY protocol support.

SURF, the national research and education network of the Netherlands, has sponsored the development of additional triggers for Response Policy Zones, adding the NSDNAME, NSIP and client IP Address triggers, as well as TSIG on zone transfers and the TCP-Only action. SURF also funded the development of DNSTAP/Frame Streams.

Amazon Web Services has sponsored the implementation of RFC 8767, serving stale data to improve DNS resiliency, in our DNS resolver Unbound.

The Mozilla Open Source Support program has sponsored the development of DNS-over-HTTPS functionality in our DNS resolver Unbound.

Internet Society sponsors the development of TCP-AO and TLS support in our RPKI Relying Party software Routinator and the RPKI toolkit RTRTR, allowing secure RPKI-RTR communication to routers.

APNIC, the Regional Internet Registry for Asia Pacific, has sponsored the development of PKCS#11 support in Krill, our RPKI Certificate Authority. This allows the cryptographic material to be stored on a Hardware Security Module.

GitHub Sponsors

These organisations graciously support us via GitHub Sponsors.

Silver Tier


Bronze Tier

Montreal (MTL) Network Operator Group   Jacob of UNLI.xyz

Services Sponsors

As part of their open-source or non-profit support programs, these organisations make their products or services available to us for free.

aws     fastly     digitalocean     slack     github     yubico