$ORIGIN 1.141.10.in-addr.arpa.
$TTL 300
@ IN SOA vidhar.mgmt.yggdrasil. root.yggdrasil.li. (
  2022031505 ; serial
  300        ; refresh
  300        ; retry
  300        ; expire
  300        ; min TTL
)

	IN	NS	vidhar.mgmt.yggdrasil.
1	IN	PTR	vidhar.mgmt.yggdrasil.
2	IN	PTR	switch01.mgmt.yggdrasil.
4	IN	PTR	ap01.mgmt.yggdrasil.