hpcalc.org.		30 IN SOA ns1.r4l.com. support.register4less.com. (
				1708920584 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

hpcalc.org.		30 IN TXT "v=spf1 mx a:alpha.rechlin.net a:beta.rechlin.net
include:_spf.google.com ~all"

hpcalc.org.		30 IN A	173.255.244.176

Mail exchangers:
hpcalc.org.		30 IN MX 10 mail.hpcalc.org.

Name servers:
hpcalc.org.		30 IN NS ns1.r4l.com.
hpcalc.org.		30 IN NS ns2.r4l.com.