D&D 5E Teleporting out of a Resilient Sphere

[Fanaelialae]

While it does leave room for interpretation, this is what Mike Mearls said on the matter:

http://www.sageadvice.eu/2016/05/25...re-hinder-someone-from-teleporting-out-of-it/

Would Otiluke's Resilient Sphere hinder someone from teleporting/plane shifting out of it?

only if the spell specifically says so

To me, that seems to indicate that the sphere isn't intended to prevent teleportation or planar travel.