qualified domain name (FQDN) of a Pod is set as hostname of its containers. 
  In Linux containers, this means setting the FQDN in the hostname field of the 
  kernel (the nodename field of struct utsname).  In Windows containers, this

// https://www.iana.org/domains/root/db/rehab.html
rehab

// reise : Binky Moon, LLC
// https://www.iana.org/domains/root/db/reise.html
reise

// reisen : Binky Moon, LLC
// https://www.iana.org/domains/root/db/reisen.html
reisen

// reit : National Association of Real Estate Investment Trusts, Inc.
// https://www.iana.org/domains/root/db/reit.html
reit