opserver.de.		30 IN SOA ns1036.ui-dns.org. hostmaster.1und1.de. (
				2008122914 ; serial
				28800      ; refresh (8 hours)
				7200       ; retry (2 hours)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

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

opserver.de.		30 IN A	217.160.0.26

Mail exchangers:
opserver.de.		30 IN MX 10 mx00.ionos.de.
opserver.de.		30 IN MX 10 mx01.ionos.de.

Name servers:
opserver.de.		30 IN NS ns1036.ui-dns.com.
opserver.de.		30 IN NS ns1036.ui-dns.org.
opserver.de.		30 IN NS ns1036.ui-dns.biz.
opserver.de.		30 IN NS ns1036.ui-dns.de.