SIP/2.0 200 OK
Via: SIP/2.0/TLS 52.114.75.24:5061;branch=z9hG4bK6b5ac083
Record-Route:
<sip:fqdn:5067;transport=tls;r2=on;ftag=7a6409ee42ac48a897be110166a2bb0b;lr=on>
Record-Route: <sip:sip-du-a-eu.pstnhub.microsoft.com:5061;transport=tls;lr>
I have ;r2=on in both R-R headers. And also you have ;lr=on in one and
;lr in the other.
-- Juha