esdlink.de.		30 IN SOA ns1.w-i-b.eu. lehberger.gmail.com. (
				2021022801 ; serial
				10800      ; refresh (3 hours)
				1800       ; retry (30 minutes)
				864000     ; expire (1 week 3 days)
				10800      ; minimum (3 hours)
				)

esdlink.de.		30 IN TXT "v=spf1 +a +mx -all"

esdlink.de.		30 IN A	5.9.107.21

Mail exchangers:
esdlink.de.		30 IN MX 10 mail.esdlink.de.

Name servers:
esdlink.de.		30 IN NS ns2.w-i-b.eu.
esdlink.de.		30 IN NS ns1.w-i-b.eu.