OARC 45 Event Details
We are excited to announce that OARC 45 will take place in a hybrid format, both in-person and online, at the Quality Hotel Globe, Stockholm, Sweden, on Tuesday, October 7th, and Wednesday, October 8th, 2025.
DNS Week
This year, OARC 45 is part of a broader DNS Week — a full calendar of events bringing together the global DNS community in one place:
DNS Week Schedule (October 1–9):
- Oct 1–2: CENTR R&D Workshop
- Oct 4–5: Internetstiftelsen Hackathon 2025, in proud collaboration with DNS-OARC and Netnod
- Oct 6: OARC Community Sessions (Limited space is available — courtesy of Internetstiftelsen — for community-led meetings. If you’d like to reserve a slot to connect with peers or working groups while everyone is in town, please contact meeting@dns-oarc.net. )
- Oct 6: (evening): Mentor Mingle for New Attendees
- Oct 7: Day 1 OARC 45 Workshop
- Oct 7 (evening): OARC 45 Social
- Oct 8: Day 2 OARC 45 Workshop
- Oct 8: OARC Members-Only Annual Meeting (following the workshop)
- Oct 8 (evening): Joint Netnod + DNS-OARC Social (TBC)
- Oct 9: Netnod Tech Meeting 2025, 20th Anniversary
Registration Information
Registration for OARC 45 is open! OARC workshops bring together key players in DNS operations, analysis, and research to share insights, challenges, and the latest technical developments.
👉 Visit the OARC 45 event page for full details on fees and registration instructions.
⚠️ Note: We are coming close to selling out of in-person tickets for OARC 45. If you plan to join us in Stockholm, we strongly encourage you to register as soon as possible to secure your spot.
Please note: all registrations are non-transferable.
Agenda Highlights
The timetable for OARC 45 is now published!
This year’s program includes a wide range of talks, research presentations, and community-driven discussions — along with a keynote session by Mikael Kullberg introducing DNS TAPIR, a Swedish national DNS query analysis platform. Built on four guiding principles with privacy at its core, DNS TAPIR provides monitoring, alerting on suspicious events, and open-source transparency. This keynote will outline the project’s pillars and give an update on its progress and availability.
👉 Visit https://www.dns-oarc.net/oarc45 to view the full timetable.
Lightning Presentations
The Call for Presentations (CFP) for lightning talks will open on Day 1 of OARC 45.
- Submission window:
— Opens: October 7th, 2025 at 00:00 UTC (10:00 local time)
— Closes: October 7th, 2025 at 15:00 UTC (17:00 local time)
Lightning presentations are short-format talks of 5–10 minutes each, and time will be available in the program for these contributions on Day 2 of the workshop.
👉 Details on how to submit will be announced at the start of the workshop.
First Time Attendee Mentor Mingle
To help welcome newcomers to the OARC community, we’re hosting a First Time Attendee Mentor Mingle on Monday, October 6th, 2025.
This event is for participants who RSVP’d after expressing interest in either being a mentor or being paired as a first-time attendee seeking guidance. Invitations and details have been emailed directly to those who signed up.
It’s a great opportunity to meet fellow attendees before the workshop, share experiences, and make connections in a relaxed setting.
OARC 45 Social
The OARC 45 Social will take place on the evening of October 7th, 2025 at the Quality Hotel Globe (the same venue as OARC 45).
Enjoy drinks and appetizers while catching up with colleagues. The social is open to all registered OARC 45 attendees, but advance registration is required due to limited space.
- Book by: October 7, 2025 at 17:00 CEST
- Register here: https://oarc45-social.eventbrite.com
Please note:
- Have your QR code(s) ready for scanning at the entrance.
- +1 guests require a purchased ticket.
- OARC 45 attendee badge must be worn.
Spread the Word
Help us spread the word about OARC 45 by sharing this post with your colleagues and friends. If you’re posting on social media, use the hashtags #OARC45 and #LoveDNS.
Follow DNS-OARC on:
- Mastodns: @dnsoarc@mastodns.net
- LinkedIn: DNS-OARC
- YouTube: @dnsoarc
- https://linktr.ee/dnsoarc
Supporting DNS-OARC Workshops
DNS-OARC is a non-profit, membership organization dedicated to improving the security, stability, and understanding of the Internet’s DNS infrastructure. Our workshops, open to OARC members and the wider community, are a key part of this mission.
Community contributions and sponsorships help us keep these events accessible and sustainable. With in-person tickets for OARC 45 close to selling out, additional support could enable us to accommodate more participants and expand opportunities for engagement.
- Sponsoring OARC 45 — contact sponsor@dns-oarc.net
- Annual Workshop Patronage for 2025
- Making a donation
- Adding an extra contribution during your registration by selecting both your “Registration” and the “A Little Extra” options on the registration page
