$TTL 86400
@   IN SOA ns1.first-ns.de. postmaster.robot.first-ns.de. (
    2018021202   ; serial
    86400        ; refresh
    10800        ; retry
    3600000      ; expire
    86400 )      ; minimum

@                        IN NS      robotns3.second-ns.com.
@                        IN NS      robotns2.second-ns.de.
@                        IN NS      ns1.first-ns.de.

@                        IN A       88.99.81.250
mail                     IN A       88.99.81.250
play                     IN A       88.99.81.250
ts                       IN A       88.99.80.239
www                      IN A       78.46.243.63
@                        IN MX 10   mail