| 199.250.194.141 |
| 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. |
| 50 mxa.mailgun.org. |
| 50 mxb.mailgun.org. |
| ns-cloud-b1.googledomains.com. |
| ns-cloud-b2.googledomains.com. |
| ns-cloud-b3.googledomains.com. |
| ns-cloud-b4.googledomains.com. |
| v=spf1 include:mailgun.org ~all |