Domains with DNS TXT v=spf1 include:spf.worldunion.com.cn include:spf.corp-email.com include:spfb.corp-email.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.worldunion.com.cn include:spf.corp-email.com include:spfb.corp-email.com ~all.