Search for IP or hostnames:
modulus.cz checked at 2025-11-22T09:59:37.832Z 5713ms 11/13/37 30% R:4 allDone:false timedOut:true
modulus.cz
ns1.gringo.cz
ns2.gringo.cz
posta.gringo.cz
cz
a.ns.nic.cz
b.ns.nic.cz
c.ns.nic.cz
d.ns.nic.cz
modulus.cz resolves to one IP number: 89.187.145.232.
modulus.cz's delegation uses two name servers: ns1.gringo.cz and ns2.gringo.cz.
A single mail server handles modulus.cz, posta.gringo.cz.