- MX("@", 1, "aspmx.l.google.com."),
- MX("@", 5, "alt1.aspmx.l.google.com."),
- MX("@", 5, "alt2.aspmx.l.google.com."),
- MX("@", 10, "alt3.aspmx.l.google.com."),
- MX("@", 10, "alt4.aspmx.l.google.com."),
+ MX("@", 10, "mxext1.mailbox.org."),
+ MX("@", 10, "mxext2.mailbox.org."),
+ MX("@", 20, "mxext3.mailbox.org."),