<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><br class=""></div><div class=""><span style="color: rgb(32, 33, 36); font-family: arial, sans-serif; font-size: 28px; font-variant-ligatures: normal; orphans: 2; white-space: pre-wrap; widows: 2; background-color: rgb(248, 249, 250);" class="">Please tell me.
How to describe allow-dns update-from = to make the IP address unlimited.</span></div></body></html>