sternlab.org.		30 IN SOA ns1.digitalocean.com. hostmaster.sternlab.org. (
				0          ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				1800       ; minimum (30 minutes)
				)

sternlab.org.		30 IN A	104.236.55.166

Mail exchangers:
sternlab.org.		30 IN MX 10 sternlab.org.

Name servers:
sternlab.org.		30 IN NS ns3.digitalocean.com.
sternlab.org.		30 IN NS ns1.digitalocean.com.
sternlab.org.		30 IN NS ns2.digitalocean.com.