Domains with DNS TXT v=spf1 include:spf.protection.outlook.com mx mx:smtp11.tvb.com.hk mx:relay.tvb.com.hk mx:relay2.tvb.com.hk mx:smtp12.tvb.com.hk mx:smtp13.tvb.com.hk mx:owa11.tvb.com.hk mx:owa12.tvb.com.hk ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com mx mx:smtp11.tvb.com.hk mx:relay.tvb.com.hk mx:relay2.tvb.com.hk mx:smtp12.tvb.com.hk mx:smtp13.tvb.com.hk mx:owa11.tvb.com.hk mx:owa12.tvb.com.hk ~all.

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