$def with (ip_address, domain, records)
$var title: $domain

$# ip_address == records["A"][0]:
$if True:
    <form method=post action=/addresses/domains>
    <input type=hidden name=domain value=$domain>
    <button>Add domain</button>
    </form>
$else:
    <p>This machine's IP address does not match this domain's IP address.</p>

$# <p>This machine's address: $ip_address</p>
$# <p>Domain's address: $records["A"][0]</p>

$if "CNAME" in records:
    <p>$records["CNAME"][0]</p>
$# <p>$records["MX"][0]</p>
$# <p>$records["NS"][0]</p>