| base | record | name | ip | reverse | route | as |
| informedrx.com | ns-soa | nsa.sxc.com | 204.225.133.241 United States | 204.225.133.0/24 SXC Health Solutions Multihoming Block | AS27493 SXC-LOMBARD Systems Xcellence |
| ns | nsa.sxc.com | 204.225.133.241 United States |
| nsc.sxc.com | 64.47.149.241 United States | 64.47.0.0/16 Masergy Communications, Inc. | AS19855 ASN-MASERGY-US Masergy US Autonomous System |
| mx | 30 | mail2.sxc.com | 204.225.133.251 United States | - | 204.225.133.0/24 SXC Health Solutions Multihoming Block | AS27493 SXC-LOMBARD Systems Xcellence |
| mail2.hbsrx.com |
| 40 | mail3.sxc.com | 64.47.149.251 United States | 64.47.0.0/16 Masergy Communications, Inc. | AS19855 ASN-MASERGY-US Masergy US Autonomous System |
| 10 | mail.sxc.com | 204.225.133.83 United States | - | 204.225.133.0/24 SXC Health Solutions Multihoming Block | AS27493 SXC-LOMBARD Systems Xcellence |
| barracuda.lisle.sxc.com |
| 20 | mail9.sxc.com | 64.47.149.83 United States | 64.47.0.0/16 Masergy Communications, Inc. | AS19855 ASN-MASERGY-US Masergy US Autonomous System |
| com | ns-soa | a.gtld-servers.net | 192.5.6.30 United States | 192.5.6.0/24 VeriSign Route | AS36621 VERISIGN-AS VeriSign, Inc |
| ns | a.gtld-servers.net | 192.5.6.30 United States |
| b.gtld-servers.net | 192.33.14.30 United States | 192.33.14.0/24 VeriSign Route | AS26415 VERISIGN-AS VeriSign, Inc |
| c.gtld-servers.net | 192.26.92.30 United States | 192.26.92.0/24 VeriSign Route | AS36625 VERISIGN-AS VeriSign, Inc |
| d.gtld-servers.net | 192.31.80.30 United States | 192.31.80.0/24 VeriSign Route | AS36617 VERISIGN-AS VeriSign, Inc |
| e.gtld-servers.net | 192.12.94.30 United States | 192.12.94.0/24 VeriSign Route | AS36629 VERISIGN-AS VeriSign, Inc |
| f.gtld-servers.net | 192.35.51.30 United States | 192.35.51.0/24 VeriSign Route | AS36625 VERISIGN-AS VeriSign, Inc |
| g.gtld-servers.net | 192.42.93.30 United States | 192.42.93.0/24 VeriSign Route | AS36624 VERISIGN-AS VeriSign, Inc |
| h.gtld-servers.net | 192.54.112.30 United States | 192.54.112.0/24 VeriSign Route | AS36623 VERISIGN-AS VeriSign, Inc |
| i.gtld-servers.net | 192.43.172.30 United States | 192.43.172.0/24 VeriSign Route | AS36625 VERISIGN-AS VeriSign, Inc |
| j.gtld-servers.net | 192.48.79.30 United States | 192.48.79.0/24 VeriSign Route | AS36626 VERISIGN-AS VeriSign, Inc |
| k.gtld-servers.net | 192.52.178.30 United States | 192.52.178.0/24 VeriSign Route | AS36622 VERISIGN-AS VeriSign, Inc |
| l.gtld-servers.net | 192.41.162.30 United States | 192.41.162.0/24 VeriSign Route | AS36628 VERISIGN-AS VeriSign, Inc |
| m.gtld-servers.net | 192.55.83.30 United States | 192.55.83.0/24 VeriSign Route | AS36618 VERISIGN-AS VeriSign, Inc |