| Base | Record | Name | IP | Reverse | Route | AS |
| icg.net | ns-soa | ns7.customer.level3.net | 209.244.4.116 United States | 209.244.0.0/14 Level 3 Communications | AS3356 Level3 Level 3 Communications |
| ns | as1.icg.net | 170.147.45.163 United States | 170.147.32.0/20 ICG-Denver Area Routes | AS2551 ICG Level3 Communications, (Legacy ICG Communications) 9800 Mt. Pyramid Court Englewood, CO 80112 |
| as2.icg.net | 170.147.184.250 United States | 170.147.176.0/20 Proxy-registered route object |
| as3.icg.net | 170.147.45.164 United States | 170.147.32.0/20 ICG-Denver Area Routes |
| ns7.customer.level3.net (only in zone) | 209.244.4.116 United States | 209.244.0.0/14 Level 3 Communications | AS3356 Level3 Level 3 Communications |
| ns8.customer.level3.net (only in zone) | 170.147.45.166 United States | ns3.icg.net | 170.147.32.0/20 ICG-Denver Area Routes | AS2551 ICG Level3 Communications, (Legacy ICG Communications) 9800 Mt. Pyramid Court Englewood, CO 80112 |
| 209.244.4.117 United States | 209.244.0.0/14 Level 3 Communications | AS3356 Level3 Level 3 Communications |
| ns14.customer.level3.net (only in zone) | 209.244.4.213 United States |
| mx | 5 | smtp03.ari-co.icg.net | 170.147.45.177 United States | 170.147.32.0/20 ICG-Denver Area Routes | AS2551 ICG Level3 Communications, (Legacy ICG Communications) 9800 Mt. Pyramid Court Englewood, CO 80112 |
| 5 | smtp04.ari-co.icg.net | 170.147.45.208 United States |
| net | ns-soa | a.gtld-servers.net | 192.5.6.30 United States | 192.5.6.0/24 VeriSign Route | AS36625 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 | AS36620 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 |