sipdir.online.lync.com.
2603:1037:0:a::b
2603:1037:0:b::b
2603:1037:0:1::b
2603:1037::b

mx: sipdir.online.lync.com.
ns: sipdir.online.lync.com.

sipdir.online.lync.com.
2603:1037:0:b::b
2603:1037:0:1::b
2603:1037::b
2603:1037:0:a::b

mx: sipdir.online.lync.com.
ns: sipdir.online.lync.com.

sipdir.online.lync.com.
2603:1037:0:b::b

mx: sipdir.online.lync.com.
ns: sipdir.online.lync.com.

sipdir.online.lync.com.
2603:1037:0:1::b
2603:1037:0:6::b
2603:1037:0:17::c
2603:1037:0:8::b
2603:1037:0:c::f
2603:1037:0:d::f
2603:1037:0:7::b
2603:1037:0:b::b

mx: sipdir.online.lync.com.
ns: sipdir.online.lync.com.

sipdir.online.lync.com.
2603:1037:0:3::b

mx: sipdir.online.lync.com.
ns: sipdir.online.lync.com.

sipdir.online.lync.com.
2603:1037:0:8::b
2603:1037:0:1::b
2603:1037:0:d::f
2603:1037:0:4::b
2603:1037:0:17::c
2603:1037:0:6::b
2603:1037:0:3::b
2603:1037:0:b::b

mx: sipdir.online.lync.com.
ns: sipdir.online.lync.com.

sipdir.online.lync.com.
2603:1037:0:a::b
2603:1037:0:5::b
2603:1037:0:2::b
2603:1037:0:4::b
2603:1037:0:7::b
2603:1037:0:15::c
2603:1037:0:c::f
2603:1037::b

mx: sipdir.online.lync.com.
ns: sipdir.online.lync.com.

sipdir.online.lync.com.
2603:1037:0:2::b

mx: sipdir.online.lync.com.
ns: sipdir.online.lync.com.