shell:$ nslookup -timeout=2 -retry=1 'checkout-sdk.sezzle.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	checkout-sdk.sezzle.com
Address: 13.227.87.127
Name:	checkout-sdk.sezzle.com
Address: 13.227.87.4
Name:	checkout-sdk.sezzle.com
Address: 13.227.87.83
Name:	checkout-sdk.sezzle.com
Address: 13.227.87.56
Name:	checkout-sdk.sezzle.com
Address: 2600:9000:207c:3400:0:8879:1f00:93a1
Name:	checkout-sdk.sezzle.com
Address: 2600:9000:207c:ea00:0:8879:1f00:93a1
Name:	checkout-sdk.sezzle.com
Address: 2600:9000:207c:c600:0:8879:1f00:93a1
Name:	checkout-sdk.sezzle.com
Address: 2600:9000:207c:fc00:0:8879:1f00:93a1
Name:	checkout-sdk.sezzle.com
Address: 2600:9000:207c:1e00:0:8879:1f00:93a1
Name:	checkout-sdk.sezzle.com
Address: 2600:9000:207c:6a00:0:8879:1f00:93a1
Name:	checkout-sdk.sezzle.com
Address: 2600:9000:207c:5000:0:8879:1f00:93a1
Name:	checkout-sdk.sezzle.com
Address: 2600:9000:207c:2a00:0:8879:1f00:93a1