blue.cat.		30 IN SOA ns1.sectigoweb.com. admin.sectigo.com. (
				1635651494 ; serial
				86400      ; refresh (1 day)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

blue.cat.		30 IN TXT
"protonmail-verification=3fe6fcb89f584fe07bea2da5c41349c09e8b4a0f"
blue.cat.		30 IN TXT "v=spf1 include:_spf.protonmail.ch ~all"

blue.cat.		30 IN A	216.239.32.21
blue.cat.		30 IN A	216.239.34.21
blue.cat.		30 IN A	216.239.36.21
blue.cat.		30 IN A	216.239.38.21

Mail exchangers:
blue.cat.		30 IN MX 10 mail.protonmail.ch.
blue.cat.		30 IN MX 20 mailsec.protonmail.ch.

Name servers:
blue.cat.		30 IN NS ns1.sectigoweb.com.
blue.cat.		30 IN NS ns2.sectigoweb.com.
blue.cat.		30 IN NS ns3.sectigoweb.com.
blue.cat.		30 IN NS ns4.sectigoweb.com.