| Base | Record | Name | IP | Reverse | Route | AS |
| keenansystem.com | ns-soa | auth02.ns.esat.net | 193.95.142.60 Ireland | 193.95.128.0/18 ESATNET-NET-6 | AS2110 IEUNET BT Ireland Backbone BT Ireland was previously known as Esat Net, EUnet Ireland & IEUnet. |
| ns | auth02.ns.esat.net | 193.95.142.60 Ireland |
| sec02.ns.esat.net | 192.111.39.112 Ireland | 192.111.39.0/24 Esat Net Server network block Hopefully to be phased out of AS2110 announcements |
| mx | 10 | cluster8.eu.messagelabs.com | 85.158.138.131 Germany | mail186.messagelabs.com | 85.158.138.0/24 MessageLabs Ltd Frankfurt Network Route | AS21345 MESSAGELABS-EU MessageLabs | Symantec Hosted Services |
| 85.158.138.147 Germany | mail195.messagelabs.com |
| 85.158.138.179 Germany | mail169.messagelabs.com |
| 85.158.139.19 Netherlands | mail178.messagelabs.com | | ? |
| 85.158.139.35 Netherlands | mail179.messagelabs.com |
| 85.158.139.163 Netherlands | mail188.messagelabs.com |
| 85.158.139.179 Netherlands | mail189.messagelabs.com |
| 85.158.139.211 Netherlands | mail206.messagelabs.com |
| 85.158.140.179 United Kingdom | mail205.messagelabs.com | 85.158.140.0/23 MessageLabs Ltd London Network Route | AS21345 MESSAGELABS-EU MessageLabs | Symantec Hosted Services |
| 85.158.140.195 United Kingdom | mail193.messagelabs.com |
| 85.158.140.211 United Kingdom | mail194.messagelabs.com |
| 194.106.221.19 United Kingdom | mail204.messagelabs.com | 194.106.220.0/23 MessageLabs Ltd London Network Route |
| 20 | cluster8a.eu.messagelabs.com | 85.158.138.147 Germany | mail195.messagelabs.com | 85.158.138.0/24 MessageLabs Ltd Frankfurt Network Route |
| 85.158.139.19 Netherlands | mail178.messagelabs.com | | ? |
| 85.158.139.35 Netherlands | mail179.messagelabs.com |
| 85.158.139.163 Netherlands | mail188.messagelabs.com |
| 85.158.139.179 Netherlands | mail189.messagelabs.com |
| 85.158.139.211 Netherlands | mail206.messagelabs.com |
| 85.158.140.179 United Kingdom | mail205.messagelabs.com | 85.158.140.0/23 MessageLabs Ltd London Network Route | AS21345 MESSAGELABS-EU MessageLabs | Symantec Hosted Services |
| 85.158.140.195 United Kingdom | mail193.messagelabs.com |
| 85.158.140.211 United Kingdom | mail194.messagelabs.com |
| 194.106.221.19 United Kingdom | mail204.messagelabs.com | 194.106.220.0/23 MessageLabs Ltd London Network Route |
| 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 | AS36619 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 |