Sonic.net is using bind9, where this "qname-optimization" is a default setting for protecting user privacy. https://www.isc.org/blogs/qname-minimization-and-pr

Sonic.net is using bind9, where this "qname-optimization" is a default setting for protecting user privacy. https://www.isc.org/blogs/qname-minimization-and-privacy/ https://www.isc.org/blogs/qname-minimization-and-privacy/ https://bind9.readthedocs.io/en/latest/reference.html https://bind9.readthedocs.io/en/latest/reference.html (look for qname) (I work at Sonic)