Question and response
Question
dig _spf.hetzner.com. TXT
Answer
_spf.hetzner.com. 7200 TXT "v=spf1 include:_spf4.hetzner.com include:_spf6.hetzner.com -all"
Authority
hetzner.com. 7200 NS ns.second-ns.com.
hetzner.com. 7200 NS ns1.your-server.de.
hetzner.com. 7200 NS ns3.second-ns.de.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0