Nameservers

I have a server running plesk 8.1.1, I have a domain regged with np, I have registered my nameservers on here...I have gone into plesk dns zone and there are already stuff in there

Host Record type Value
89.149.239.43 / 24 PTR seedurgreed.com.
ftp.seedurgreed.com. CNAME seedurgreed.com.
mail.seedurgreed.com. A 89.149.239.43
mssql.seedurgreed.com. A 89.149.239.43
ns1.seedurgreed.com. A 89.149.239.41
ns2.seedurgreed.com. A 89.149.239.42
seedurgreed.com. NS ns1.seedurgreed.com.
seedurgreed.com. NS ns2.seedurgreed.com.
seedurgreed.com. A 89.149.239.42
seedurgreed.com. A 89.149.239.41
seedurgreed.com. MX (10) mail.seedurgreed.com.
sitebuilder.seedurgreed.com. A 89.149.239.43
webmail.seedurgreed.com. A 89.149.239.43
www.seedurgreed.com. CNAME seedurgreed.com.


Is there anything else i need to add or do....