| 23.185.0.3 |
| 2620:12a:8000::3 |
| 2620:12a:8001::3 |
| 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. |
| ns-cloud-c1.googledomains.com. |
| ns-cloud-c2.googledomains.com. |
| ns-cloud-c3.googledomains.com. |
| ns-cloud-c4.googledomains.com. |
| v=spf1 include:mailgun.org ~all |