Recover domain

[pangal]

Dear, I need to recover the control of the DNS domain pangal.cl, I have no contact with the IT technician who manages it, what can I do to corrobar my authority? Greetings.

 

[El.]

Hello.

pangal.cl is not delegated to ZoneEdit name servers...

pangal.cl. 3600 IN NS ns4.he.net.
pangal.cl. 3600 IN NS ns2.he.net.
pangal.cl. 3600 IN NS ns3.he.net.
pangal.cl. 3600 IN NS ns5.he.net.
;; Received 105 bytes from 200.7.4.7#53(200.7.4.7) in 72 ms

pangal.cl. 86400 IN SOA ns1.he.net. hostmaster.he.net. 2017082419 10800 1800 604800 86400
;; Received 84 bytes from 216.66.80.18#53(216.66.80.18) in 15 ms