So in the event you style wwwwwww dot something after which you can wwww dot one thing, the 2nd question could nicely be answered with a very speedy “no” (NXDOMAIN during the DNS planet). Aggressive damaging caching performs only with DNSSEC signed zones, which includes each the foundation in https://postalsmtpsetup66554.blog-eye.com/26611942/the-best-side-of-mailwizz-support