sierratel.sl.		30 IN SOA isla.ns.cloudflare.com. dns.cloudflare.com. (
				2339915665 ; serial
				10000      ; refresh (2 hours 46 minutes 40 seconds)
				2400       ; retry (40 minutes)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

sierratel.sl.		30 IN TXT "v=spf1  a  mx  ip109.70.148.52 
include:relay.mailchannels.net ~all"

sierratel.sl.		30 IN A	104.21.17.92
sierratel.sl.		30 IN A	172.67.175.106
sierratel.sl.		30 IN AAAA 2606:4700:3036::6815:115c
sierratel.sl.		30 IN AAAA 2606:4700:3033::ac43:af6a

Mail exchangers:
sierratel.sl.		30 IN MX 0 mail.sierratel.sl.

Name servers:
sierratel.sl.		30 IN NS isla.ns.cloudflare.com.
sierratel.sl.		30 IN NS piotr.ns.cloudflare.com.