Setting up Squarespace Records
Linking your Squarespace site to a domain using 101domain's name servers is relatively easy and this guide will help you walk through the process.
This guide will use the records found within this guide from Squarespace:
https://support.squarespace.com/hc/en-us/articles/205812378-Connecting-a-domain-to-your-Squarespace-site
Steps
Ensure that you've added your domain name to your Squarespace account.
Navigate to your 101domain account, click on Manage Name Servers, Choose your domain, choose, "I want to edit my name server records", and click continue
Delete any existing A records that match the domain name and WWW by clicking the trash can button to the right
Add your four (4) "A records"
At the top line next to New Record, ensure the subdomain box is blank
Ensure the type is set to A
In the box on the right for 'Value', enter the first IP,
198.185.159.144
Click Save to the right to add finish adding your first record
Repeat step 4 and add the remaining A records from the chart below:
Subdomain Type Value (blank) A 198.185.159.144 (blank) A 198.185.159.145 (blank) A 198.49.23.144 (blank) A 198.49.23.145 Add your CNAME record for WWW
At the top, change the record type to CNAME
In the subdomain box to the left, enter
www
In the box to the right for value, enter
ext-cust.squarespace.com
Add your CNAME record for verification
At the top, ensure the record type is set to CNAME
Return to your Squarespace account to get your unique verification record
Enter the unique code into the subdomain section
In the box to the right for value, enter
verify.squarespace.com
After changing your records, return to your Squarespace DNS Settings, and click Refresh below the records.