| base | record | name | ip | reverse | route | as |
| mail1.csnet.es | a | 80.24.136.56 Spain | 56.red-80-24-136.staticip.rima-tde.net | 80.24.0.0/16 RIMA (Red IP Multi Acceso) | AS3352 Telefonica-Data-Espana TELEFONICA DE ESPANA |
| csnet.es | a | 213.171.248.51 Spain | sofia.csnet.es | 213.171.224.0/19 NEO-SKY 2002 Provider Local Registry | AS16206 ABRARED NEO-SKY 2002 Autonomous System 1 C/Virgen de las Cruces, 3 3th floor 28041 Madrid Spain |
| ns-soa | dns1.csnet.es | 213.171.248.50 Spain | caronte.csnet.es |
| ns | dns1.csnet.es | 213.171.248.50 Spain | caronte.csnet.es |
| dns2.csnet.es | 80.24.136.56 Spain | 56.red-80-24-136.staticip.rima-tde.net | 80.24.0.0/16 RIMA (Red IP Multi Acceso) | AS3352 Telefonica-Data-Espana TELEFONICA DE ESPANA |
| dns3.csnet.es | 91.121.171.152 France | (none) | 91.121.0.0/16 OVH ISP Paris, France | AS16276 OVH Paris, France domains, hosting, housing, transit, gameplan, ebackup, streaming, storage |
| mx | 5 | mail0.csnet.es | 213.171.248.51 Spain | sofia.csnet.es | 213.171.224.0/19 NEO-SKY 2002 Provider Local Registry | AS16206 ABRARED NEO-SKY 2002 Autonomous System 1 C/Virgen de las Cruces, 3 3th floor 28041 Madrid Spain |
| 10 | mail1.csnet.es | 80.24.136.56 Spain | 56.red-80-24-136.staticip.rima-tde.net | 80.24.0.0/16 RIMA (Red IP Multi Acceso) | AS3352 Telefonica-Data-Espana TELEFONICA DE ESPANA |
| 15 | mail2.csnet.es | 213.171.248.54 Spain | wilma.csnet.es | 213.171.224.0/19 NEO-SKY 2002 Provider Local Registry | AS16206 ABRARED NEO-SKY 2002 Autonomous System 1 C/Virgen de las Cruces, 3 3th floor 28041 Madrid Spain |