I have one SPF record:

```
v=spf1 a mx ip4:111.111.111.111 -all

```

and I need to add one more:

```
v=spf1 ip4:222.222.222.222 include:_spf.example.net ~all

```

How to merge them correctly? Is

```
v=spf1 ip4:222.222.222.222 include:_spf.example.net a mx ip4:111.111.111.111 ~all

```

ok?