If you wish to check your DNS records online, it is very simple to do so. There are various online DNS search engines which will show you what DNS records have applied to a domain and are visible across the Internet. These are useful tools if you wish to find out if a domain host has applied your DNS records correctly or if you wish to check if these have applied yet.
If you wish to check MX or SPF records, simply entry the domain into the search box e.g. domain.co.uk
If you wish to check an Autodiscover CNAME records, enter 'autodiscover.yourdomain.co.uk'
Checking All DNS Records
Checking MX Only
Checking SPF Only