This page shows you how to query SRv records for a domain using office 365.
Mac
# host -t SRV _sipfederationtls._tcp.yourdomain.com
Windows
c:\> nslookup
> set type=any
> set verbose
> _sipfederationtls._tcp.yourdomain.com
This page shows you how to query SRv records for a domain using office 365.
# host -t SRV _sipfederationtls._tcp.yourdomain.com
c:\> nslookup
> set type=any
> set verbose
> _sipfederationtls._tcp.yourdomain.com