So when you variety wwwwwww dot something and afterwards wwww dot something, the next question could well be answered with a very swift “no” (NXDOMAIN from the DNS globe). Aggressive destructive caching works only with DNSSEC signed zones, which includes each the basis and a 1400 from 1544 TLDs https://azure-support73596.blog-gold.com/32652458/google-workspace-support-an-overview