3
records
Canonical Names
TTL
CNAME
4m
autoconfig.opreturn.de. 299 IN CNAME mail.blocktrack.net.
IPv4 Addresses
TTL
autoconfig.opreturn.de. 300 IN A 159.69.118.131
Text Content
TTL
TXT
SPF
v=spf1 mx -all
5m
autoconfig.opreturn.de. 300 IN TXT "v=spf1 mx -all"