| 198.185.159.144 |
| 216.239.32.21 |
| 216.239.34.21 |
| 216.239.36.21 |
| 216.239.38.21 |
| 2001:4860:4802:32::15 |
| 2001:4860:4802:34::15 |
| 2001:4860:4802:36::15 |
| 2001:4860:4802:38::15 |
| 10 alt1.gmr-smtp-in.l.google.com. |
| 10 mxa.mailgun.org. |
| 10 mxb.mailgun.org. |
| 20 alt2.gmr-smtp-in.l.google.com. |
| 30 alt3.gmr-smtp-in.l.google.com. |
| 40 alt4.gmr-smtp-in.l.google.com. |
| 5 gmr-smtp-in.l.google.com. |
| art.ns.cloudflare.com. |
| serena.ns.cloudflare.com. |
| v=spf1 include:mailgun.org ~all |