ug-kern.de.		30 IN SOA ns1046.ui-dns.com. hostmaster.1und1.com. (
				2017060105 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				600        ; minimum (10 minutes)
				)

ug-kern.de.		30 IN TXT "v=spf1 include:_spf-eu.ionos.com ~all"

Mail exchangers:
ug-kern.de.		30 IN MX 10 mx00.ionos.de.
ug-kern.de.		30 IN MX 10 mx01.ionos.de.

Name servers:
ug-kern.de.		30 IN NS ns1090.ui-dns.de.
ug-kern.de.		30 IN NS ns1091.ui-dns.biz.
ug-kern.de.		30 IN NS ns1031.ui-dns.org.
ug-kern.de.		30 IN NS ns1046.ui-dns.com.