0.0.0.0.0.2.0.2.9.4.e164.arpa. 1800 IN SOA ns1.meine-domain.xx. hostmaster.meine-domain.xx. (
1090498506 10000 3600 604800 1800)
 1800 IN NS  ns1.meine-domain.xx.
 1800 IN NS  ns2.meine-domain.xx.
 1800 IN NAPTR 5 10 "u" "E2U+tel" "!^.*$!tel:+493000000!"     .
 1800 IN NAPTR 2 10 "u" "E2U+sip" "!^.*$!sip:abcdef@meine-domain.xx!"     .