| base | record | name | ip | reverse | route | as |
| x4i.com | a | 194.143.187.23 United Kingdom | x4i01.he.gxn.net | 194.143.160.0/19 Vialtus Solutions | AS5413 Vialtus Solutions Ltd. |
| ns-soa | ns1.netnames.net | 204.74.108.253 United States | 204.74.108.0/24 UltraDNS 108 | AS12008 MAINT-ID-12008 UltraDNS/NeuStar |
| ns | ns1.netnames.co.uk (only in delegation) | 204.74.108.253 United States | ns1.netnames.net |
| ns2.netnames.co.uk (only in delegation) | 204.74.109.253 United States | ns2.netnames.net | 204.74.109.0/24 UltraDNS 109 |
| ns1.netnames.net (only in zone) | 204.74.108.253 United States | 204.74.108.0/24 UltraDNS 108 |
| ns2.netnames.net (only in zone) | 62.128.146.40 United Kingdom | 62.128.128.0/19 GroupNBT-Agg-62-128-128 | AS8912 NETBENEFIT Group NBT plc (formerly NetBenefit) London, UK |
| mx | 10 | mail3.x4i.com | 84.45.87.154 United Kingdom | mail.x4i.com | 84.45.0.0/17 C4L | AS25577 C4L-AS C4L main AS |
| 20 | mail4.x4i.com | 91.135.13.18 United Kingdom | cust18-dsl91-135-13.idnet.net | 91.135.0.0/20 IDNET secondary address block | AS12496 IDNET Autonomous System |
| 40 | mail.x4i.com | 212.135.173.26 United Kingdom | (none) | 212.134.0.0/15 Easynet UK | AS4589 EASYNET Global Services |
| 30 | mail2.x4i.com | 83.146.41.218 United Kingdom | host-83-146-41-218.dslgb.com | 83.146.0.0/18 Cable and Wireless Access Ltd | AS25310 ASN-CWACCESS Cable and Wireless Access Ltd |
| 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 |