Advanced iframe debug console - l: local messages, r: remote messages
User agent: CCBot/2.0 (https://commoncrawl.org/faq/)

Headers of https://www.lawndoctor.com.au/quote-form/:
HTTP/2 200
date: Mon, 10 Aug 2020 19:19:35 GMT
server: Apache/2.4.38 (Debian)
p3p: CP="ALL DSP NID CURa ADMa DEVa HISa OTPa OUR NOR NAV DEM"
link: ; rel="https://api.w.org/", ; rel=shortlink
content-type: text/html; charset=UTF-8

The page does exist and no X-Frame-Options header was found. But there can still be a iframe blocker script on this page. Go here for a full check.