Many medical and scientific organizations block all web sites unless they are specifically permitted.
If you are unable to access all of the resources we offer, contact your Information Technology or network support department and request that they make the following changes.
Allow access to these IP Addresses:
- 220.127.116.11 on ports 80 and 443
- 18.104.22.168 on ports 80 and 443
Some clients also manage the Domain Name System (DNS) resources their network computers use to resolve URLs to IP addresses. For those companies, we offer the following DNS Server resources hosted by Mayo Clinic:
Also, add the following domains to the list of permitted sites: