Domains with DNS TXT v=spf1 ip4:217.21.72.51 include:relay.mailchannels.net ip4:185.237.145.1 +a +mx include:spf.antispamcloud.com ~all

There are 6 domains that have DNS TXT set to v=spf1 ip4:217.21.72.51 include:relay.mailchannels.net ip4:185.237.145.1 +a +mx include:spf.antispamcloud.com ~all. The top 6 records ordered by domain rank are listed below.

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