Running diagnostic
Running your DNS diagnostic…
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 Aug 19, 2026 23:51 UTC · 7 checks · public report
Solid base — two policy steps remain.
tesla.com publishes an enforcing DMARC policy, so mail that forges its domain is quarantined or rejected at the recipient.
v=spf1 ip4:54.240.84.225/32 ip4:54.240.84.226/31 ip4:54.240.84.228/30 ip4:54.240.84.232/29 ip4:54.240.84.240/29 ip4:54.240.84.248/30 ip4:54.240.84.252/32 ip4:44.239.249.139 ip4:52.24.70.112 ip4:34.223.204.78 ip4:213.244.145.203 ip4:213.244.145.219 ip4:213.244.145.204 ip4:213.244.145.220 ip4:8.47.24.203 ip4:8.47.24.219 ip4:8.47.24.204 ip4:8.47.24.220 ip4:8.45.124.203 ip4:8.45.124.219 ip4:8.45.124.204 ip4:8.45.124.220 ip4:8.21.14.203 ip4:8.21.14.219 ip4:8.21.14.204 ip4:8.21.14.220 ip4:8.21.14.194 ip4:8.21.14.211 ip4:212.49.145.0/24 ip4:91.103.52.0/22 ip4:168.245.123.10 ip4:216.81.144.165 ip4:149.72.247.52 ip4:149.72.134.64 ip4:149.72.152.236 ip4:149.72.163.58 ip4:149.72.172.170 ip4:167.89.90.62 ip4:158.228.129.79 ip4:216.81.144.165 ip4:117.50.14.178 ip4:117.50.35.199 ip4:54.240.42.110 ip4:54.240.42.111 ip4:199.71.239.178 ip4:67.216.183.10 ip4:8.43.178.222 ip4:64.95.144.196 ip4:199.71.239.52 include:u13494342.wl093.sendgrid.net include:spf.protection.outlook.com include:mail.zendesk.com include:_spfsn.teslamotors.com include:_spf.qualtrics.com include:_spf.ultipro.com include:_spf.psm.knowbe4.com include:spf1.sendcloud.org include:spf2.sendcloud.org -allThis means your email signature key is smaller than recommended, so it is easier to break than a modern one. If an attacker can forge that signature, your messages may be more likely to be spoofed or tampered with. The fix is to replace this DKIM selector with a stronger, modern key size and then update the DNS entry for that selector.
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