Question and response
Question
dig spf.ivcert.net. TXT
Answer
spf.ivcert.net. 7200 TXT "v=spf1 ip4:178.255.229.128/27 ip4:178.255.224.0/25 ip4:37.230.81.66/26 ip4:18.100.193.71 ip4:18.100.104.235 ip4:18.100.36.15 ip4:18.100.185.183 ip4:18.101.118.130 ip4:18.101.51.60 ip4:51.94.18.76 ip4:51.94.39.175 -all"
Authority
ivcert.net. 1800 NS ns3.ivnosys.net.
ivcert.net. 1800 NS ns2.ivnosys.net.
ivcert.net. 1800 NS ns1.ivnosys.net.
Additional
ns1.ivnosys.net. 302400 A 178.255.229.147
ns2.ivnosys.net. 302400 A 18.101.78.209
ns3.ivnosys.net. 302400 A 173.249.51.112
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0