Microsoft
Domain verification
MS=ms55212170
Question and response
Question
dig ifnano.de. TXT
Answer
ifnano.de. 3600 TXT "MS=ms55212170"
ifnano.de. 3600 TXT "v=spf1 mx ip4:134.76.10.0/23 ip4:134.76.26.0/24 ip4:134.76.9.0/24 ~all"
Authority
ifnano.de. 86400 NS dns1.gwdg.de.
ifnano.de. 86400 NS dns3.gwdg.de.
ifnano.de. 86400 NS dns2.gwdg.de.
Additional
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0