Question and response
Question
dig spf.tutanota.de. TXT
Answer
spf.tutanota.de. 600 TXT "v=spf1 ip4:185.205.69.0/24 ip4:81.3.6.160/28 -all"
Authority
tutanota.de. 600 NS ns-1344.awsdns-40.org.
tutanota.de. 600 NS ns-1757.awsdns-27.co.uk.
tutanota.de. 600 NS ns-478.awsdns-59.com.
tutanota.de. 600 NS ns-998.awsdns-60.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0