SOA
Start of Authority
Primary NS
Mailbox
postmaster.smt-sts.com
Serial
20200211
Refresh
10800
Retry
3600
Expire
3600000
Minimum TTL
43200
NS
Nameservers
TXT
TXT Records
v=spf1 include:gwspf.ktbizoffice.com ~all
google-site-verification=OWDPJC1tuaTMWlaYes4yzFg_vFleqDhCYx_6vCBxTX8