isubapp.com.		30 IN SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. (
				1692354364 ; serial
				43200      ; refresh (12 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3601       ; minimum (1 hour 1 second)
				)

isubapp.com.		30 IN TXT
"protonmail-verification=73e52d988ac82491b8c9b6d2f8e6a99755160937"
isubapp.com.		30 IN TXT "v=spf1 include:_spf.protonmail.ch mx ~all"

isubapp.com.		30 IN A	134.209.37.44

Mail exchangers:
isubapp.com.		30 IN MX 20 mailsec.protonmail.ch.
isubapp.com.		30 IN MX 10 mail.protonmail.ch.

Name servers:
isubapp.com.		30 IN NS dns1.registrar-servers.com.
isubapp.com.		30 IN NS dns2.registrar-servers.com.