Question and response
Question
dig spf2.icoremail.net. TXT
Answer
spf2.icoremail.net. 180 TXT "v=spf1 a:aliyun-cloud.icoremail.net a:l-sdnproxy.icoremail.net a:do-sdnproxy.icoremail.net a:azure-sdnproxy.icoremail.net a:hw-sdnproxy.icoremail.net ip4:101.71.154.32/27 ip4:139.9.184.7 ip4:60.191.81.176/28 ip4:112.13.121.0/27 ~all"
Authority
icoremail.net. 3600 NS ns1.icoremail.net.
icoremail.net. 3600 NS ns3.icoremail.net.
icoremail.net. 3600 NS ns2.icoremail.net.
icoremail.net. 3600 NS ns4.icoremail.net.
Additional
ns1.icoremail.net. 3600 A 157.255.37.80
ns2.icoremail.net. 3600 A 139.162.76.153
ns3.icoremail.net. 3600 A 13.90.93.245
ns4.icoremail.net. 3600 A 223.252.214.72
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0