Run each of the following lines, replacing `yourdomain.com` and `codehere` with your details:

```
now dns add yourdomain.com @ TXT google-site-verification=codehere
now dns add yourdomain.com @ MX ASPMX.L.GOOGLE.COM 1
now dns add yourdomain.com @ MX ALT1.ASPMX.L.GOOGLE.COM 5
now dns add yourdomain.com @ MX ALT2.ASPMX.L.GOOGLE.COM 5
now dns add yourdomain.com @ MX ALT3.ASPMX.L.GOOGLE.COM 10
now dns add yourdomain.com @ MX ALT4.ASPMX.L.GOOGLE.COM 10
```

Docs:

- [Managing DNS records when using Zeit Now nameservers](https://zeit.co/docs/features/dns#now-dns-add)
- [G Suite MX record values](https://support.google.com/a/answer/174125)