dos.so.			30 IN SOA dns19.ovh.net. tech.ovh.net. (
				2025030902 ; serial
				86400      ; refresh (1 day)
				3600       ; retry (1 hour)
				3600000    ; expire (5 weeks 6 days 16 hours)
				60         ; minimum (1 minute)
				)

dos.so.			30 IN TXT
"protonmail-verification=bd68f6ca10a64cb821bc389dfe63af01fea2262a"
dos.so.			30 IN TXT "v=spf1 mx include:_spf.protonmail.ch ~all"

Mail exchangers:
dos.so.			30 IN MX 20 mailsec.protonmail.ch.
dos.so.			30 IN MX 10 mail.protonmail.ch.

Name servers:
dos.so.			30 IN NS ns19.ovh.net.
dos.so.			30 IN NS dns19.ovh.net.