Official SquareSpace dns page:
http://help.squarespace.com/guides/domain-mapping-with-dreamhost
DNS Settings:
| DOMAIN | CONFIGURATION |
|---|---|
| TWO LEVELS (E.G. MYWEBSITE.COM) |
point A-record (IP address) to 198.185.159.144
198.185.159.145 198.49.23.144 198.49.23.145 |
| THREE OR MORE LEVELS (E.G. WWW.MYWEBSITE.COM) |
CNAME record to “ext-cust.squarespace.com“ |
On the Dreamhost Side:
From the panel, Go to your Manage Domains Page and make sure the domain is DNS only. If you have hosting on the domain, use the “remove” button under the “web hosting” column:
Once the domain is dns only, click the dns link under your domain name and add these records:
Custom DNS Options:
Name: subdomain, leave blank for naked/root domain
Type: type of dns record, such as A record, Cname, TXT
Value: Target
Settings Needed for this setup:
Name: leave blank for naked/root domain
Type: A
Value: IP records are listed above
Name: www
Type: Cname
Value: listed above
Note: This guide has been created to help simplify setting your domain up. The service you are pointing your domain to, DNS can/might has changed. Always check the hosts official page to verify the records.