MOQtail SyncPlay
syncplay.moqtail.dev:4448
The SyncPlay demo relay on the MOQtail fleet.
What this is
- Operated by
- MOQtail
- Running
- MOQtail
- Published URL
- https://syncplay.moqtail.dev:4448/
- TestLab id
- moqtail-syncplay
What TestLab measured
2026-11-12 01:30 UTC
- Transports answered
- WebTransport
- Drafts negotiated
- draft 14
- Identifies itself as
- did not say
- Media delivery
- Namespace accepted, track never asked for
- Certificate valid until
- 2026-12-09
- Address families
- IPv4
- Violations recorded
- 1
One reply left the specification
-
request_id_ceilingA request must not use a Request ID at or above the maximum the receiver granted. draft 14 over WebTransport
What each one is, and what the specification requires, is on the report.
Also recorded during the sweep — conditions of the connection rather than findings about the protocol
- — The endpoint is up and refused the offered protocols on at least one transport.
Certificate, per-draft control message support, the delivery run and every recorded violation in full.
The relay behind MOQtail’s SyncPlay demo application, on the moqtail.dev fleet.
Elsewhere running MOQtail
10 other endpoints run the same implementation. All of them are run by the same operator as this one.
MOQtail ABR
MOQtailord.abr.moqtail.dev:443
No connection completed in the last sweep.
Name resolution failed.
MOQtail draft-22
MOQtailrelay.moqtail.dev:8244
- Drafts the operator lists
- draft 22
No connection completed in the last sweep.
QUIC: no answer before the deadline during the QUIC handshake after 8,000 ms.
WebTransport: no answer before the deadline during opening the WebTransport session after 8,000 ms.
MOQtail IBC2025
MOQtailord.ibc25.moqtail.dev:443
- Drafts negotiated
- draft 11
- Identifies itself as
- did not say
- Certificate valid until
- 2026-12-28
Namespace accepted, track never asked for
Two publishers: closed / standby
1 specification violation: request_id_out_of_sequence
MOQtail n1 Chicago
MOQtailrelay.n1.ord.moqtail.dev:443
- Drafts negotiated
- draft 22
- Identifies itself as
- moqtail/0.18.0+c1f88e7
- Certificate valid until
- 2027-02-08
Object delivered end to end
Two publishers: standby / serving publisher on standby
MOQtail n1 Frankfurt
MOQtailrelay.n1.fra.moqtail.dev:443
- Drafts negotiated
- draft 22
- Identifies itself as
- moqtail/0.18.0+c1f88e7
- Certificate valid until
- 2027-02-07
Object delivered end to end
Two publishers: standby / serving no switch-over publisher on standby
MOQtail n1 Osaka
MOQtailrelay.n1.osa.moqtail.dev:443
- Drafts negotiated
- draft 22
- Identifies itself as
- moqtail/0.18.0+c1f88e7
- Certificate valid until
- 2027-02-07
Object delivered end to end
Two publishers: standby / serving no switch-over publisher on standby
MOQtail n1 Singapore
MOQtailrelay.n1.sin.moqtail.dev:443
- Drafts negotiated
- draft 22
- Identifies itself as
- moqtail/0.18.0+c1f88e7
- Certificate valid until
- 2027-02-08
Object delivered end to end
Two publishers: standby / serving no switch-over publisher on standby
MOQtail relay
MOQtailrelay.moqtail.dev:443
- Drafts negotiated
- draft 22
- Identifies itself as
- moqtail/0.18.0+c1f88e7
- Certificate valid until
- 2027-02-07
Object delivered end to end
Two publishers: standby / serving no switch-over publisher on standby
MOQtail TimeTravel
MOQtailtimetravel.moqtail.dev:4445
- Drafts negotiated
- draft 11
- Identifies itself as
- did not say
- Certificate valid until
- 2026-12-09
Namespace accepted, track never asked for
Two publishers: closed / standby
1 specification violation: request_id_ceiling
MOQtail WatchParty
MOQtailwatch-party.moqtail.dev:4446
- Drafts negotiated
- draft 16
- Identifies itself as
- moqtail/0.14.1+fbdbc75
- Certificate valid until
- 2026-12-09
Namespace accepted, track never asked for
Two publishers: standby / closed
Is this your endpoint?
If something here is wrong, tell us — we keep what each result rests on, so a disputed one gets re-read rather than re-argued. We can also run this against endpoints that are not public.