| 104.21.10.116 |
| 172.67.163.38 |
| 2606:4700:3037::6815:a74 |
| 2606:4700:3037::ac43:a326 |
| 10 alt1.gmr-smtp-in.l.google.com. |
| 10 mxa.mailgun.org. |
| 10 mxb.mailgun.org. |
| 100 mxa.mailgun.org. |
| 100 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. |
| jessica.ns.cloudflare.com. |
| zeus.ns.cloudflare.com. |
| v=spf1 include:mailgun.org ~all |