Domain does not resolve (that old nutshell)

[LAM09]

So can someone crack this nut for me please? It would be very much appreciated if someone can tell me what's wrong

Only the A record resolves. All the other records apparently do not, and so I cannot get the mail to work.
Here are the sites DNS settings

mywebsite.co.uk. NS ns1.mywebsite.co.uk.
mywebsite. NS ns2.mywebsite.
mail.mywebsite. A xxx.xxx.xx.xxx
ns1.mywebsite. A xxx.xxx.xx.xxx
ns2.mywebsite. A xxx.xxx.xx.xxx
mywebsite. A xxx.xxx.xx.xxx
webmail.mywebsite. A xxx.xxx.xx.xxx
*.webmail.mywebsite. CNAME mywebsite.
ftp.mywebsite. CNAME mywebsite.
www.mywebsite. CNAME mywebsite.
mywebsite. MX (10) mail.mywebsite.
xxx.xxx.xx.xxx / 24 PTR mywebsite.
mywebsite. TXT v=spf1 +a +mx -all

Can someone please please help with this?