| base | record | name | ip | reverse | route | as |
| erupce.cz | a | 81.0.202.164 Czech Republic | (none) | 81.0.192.0/18 Casablanca INT | AS15685 CASABLANCA-AS Casablanca INT Autonomous system Internet & Collocation Provider |
| ns-soa | ns.forpsi.net | 81.2.194.130 Czech Republic | 81.2.192.0/18 INTERNET CZ, a.s. | AS24806 INTERNET-CZ INTERNET CZ, a.s., Ktis 2, 384 03 Ktis, CZ |
| ns | ns.forpsi.it | 62.149.230.87 Italy | ns.forpsi.us | 62.149.128.0/17 Aruba S.p.A. Network | AS31034 ARUBA-ASN Aruba S.p.A. - Network |
| - |
| ns.forpsi.cz | 81.2.209.185 Czech Republic | 81.2.192.0/18 INTERNET CZ, a.s. | AS24806 INTERNET-CZ INTERNET CZ, a.s., Ktis 2, 384 03 Ktis, CZ |
| ns.forpsi.net | 81.2.194.130 Czech Republic |
| cz | ns-soa | a.ns.nic.cz | 217.31.205.180 Czech Republic | 217.31.192.0/20 CZNIC - NET | AS25192 CZNIC-AS CZ.NIC, z.s.p.o. |
| ns | a.ns.nic.cz | 217.31.205.180 Czech Republic |
| b.ns.nic.cz | 217.31.205.188 Czech Republic |
| c.ns.nic.cz | 195.66.241.202 United Kingdom | 195.66.224.0/19 UK-LINX-1 | AS5459 LINX-AS London Internet Exchange Ltd. London interconnection point London, UK. |
| d.ns.nic.cz | 193.29.206.1 Czech Republic | 193.29.206.0/24 Anycasted .cz DNS servers | AS25192 CZNIC-AS CZ.NIC, z.s.p.o. |
| e.ns.nic.cz | 194.146.105.38 Sweden | hsrp-dnsflow.sth.nic.cz | 194.146.105.0/24 NETNOD-DB-LAN-GBG $Id: route:194.146.105.0-24,v 1.1 2004/12/13 10:09:16 liman Exp $ | AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB (former D-GIX) $Id: aut-num: ,v 1.12 2008/07/01 12:56:12 liman Exp $ |
| f.ns.nic.cz | 193.171.255.48 Austria | 193.170.0.0/15 ACOnet, Provider Local Registry Block | AS1853 ACOnet Backbone AT |