intsig.net.		30 IN SOA ns-2804.awsdns-cn-47.biz. awsdns-hostmaster.amazon.com. (
				1          ; serial
				7200       ; refresh (2 hours)
				900        ; retry (15 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

intsig.net.		30 IN TXT "apple-domain-verification=9LaW3MlMBKz9VqqD"
intsig.net.		30 IN TXT "v=spf1 include:spf.mail.qq.com include:spf.intsig.net
include:sendgrid.net -all"

intsig.net.		30 IN A	113.31.107.117

Mail exchangers:
intsig.net.		30 IN MX 10 mxbiz2.qq.com.
intsig.net.		30 IN MX 5 mxbiz1.qq.com.

Name servers:
intsig.net.		30 IN NS ns-1318.awsdns-36.org.
intsig.net.		30 IN NS ns-1800.awsdns-33.co.uk.
intsig.net.		30 IN NS ns-183.awsdns-cn-11.com.
intsig.net.		30 IN NS ns-2804.awsdns-cn-47.biz.
intsig.net.		30 IN NS ns-939.awsdns-53.net.
intsig.net.		30 IN NS ns-96.awsdns-12.com.