Domains with DNS TXT v=spf1 a mx mx:mail.issp-th.com ip4:202.6.21.54 ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx mx:mail.issp-th.com ip4:202.6.21.54 ~all.
There is 1 domain that have DNS TXT set to v=spf1 a mx mx:mail.issp-th.com ip4:202.6.21.54 ~all.