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Checking SPF, DMARC, DKIM, MX, DNS, blacklists and domain & SSL expiry. A domain we haven't scanned before takes a few seconds — hang tight.
Checking SPF, DMARC, DKIM, MX, DNS, blacklists and domain & SSL expiry. A domain we haven't scanned before takes a few seconds — hang tight.
Scanned Jul 20, 2026 22:22 UTC · 7 checks · public report
Solid base — two policy steps remain.
zendesk.com publishes an enforcing DMARC policy, so mail that forges its domain is quarantined or rejected at the recipient.
v=spf1 ip4:103.151.192.0/23 ip4:104.43.243.237 ip4:149.97.173.180 ip4:163.116.128.0/17 ip4:170.10.128.0/24 ip4:170.10.129.0/24 ip4:170.10.132.56/29 ip4:170.10.132.64/29 ip4:170.10.133.0/24 ip4:18.194.95.56 ip4:18.198.96.88 include:_spf1.zendesk.com ~allEdit your SPF record at Amazon Route 53 — step-by-step guide.
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