| base | record | name | ip | reverse | route | as |
| mx.emailsrvr.com | a | 98.129.184.4 United States | mx2.emailsrvr.com | 98.129.0.0/16 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | AS33070 RACKSPACE .com DFW1 |
| emailsrvr.com | a | 74.205.6.223 United States | (none) | 74.205.0.0/19 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | AS27357 RACKSPACE .com IAD1 |
| ns-soa | pdns1.ultradns.net | 204.74.108.1 United States | 204.74.108.0/24 UltraDNS 108 | AS12008 MAINT-ID-12008 UltraDNS/NeuStar |
| ns | pdns1.ultradns.net | 204.74.108.1 United States |
| pdns2.ultradns.net | 204.74.109.1 United States | 204.74.109.0/24 UltraDNS 109 |
| pdns3.ultradns.org | 199.7.68.1 United States | 199.7.68.0/24 UltraDNS |
| pdns4.ultradns.org | 199.7.69.1 United States | 199.7.69.0/24 UltraDNS |
| pdns5.ultradns.info | 204.74.114.1 United States | 204.74.114.0/24 UltraDNS |
| pdns6.ultradns.co.uk | 204.74.115.1 United States | 204.74.115.0/24 UltraDNS |
| mx | 10 | mx1.emailsrvr.com | 72.4.117.21 United States | 72.4.112.0/20 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | AS27357 RACKSPACE .com IAD1 |
| 20 | mx2.emailsrvr.com | 98.129.185.132 United States | 98.129.0.0/16 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229 | AS33070 RACKSPACE .com DFW1 |