mx: mail1.portmone.com.
mx: mail50.portmone.com.
mx: mail.portmone.com.
ns: nsa1.srv53.com.
ns: nsa2.srv53.net.
ns: nsa2.srv53.org.
ns: nsb1.srv53.com.
ns: nsb2.srv53.net.
ns: nsb3.srv53.org.
ns: nsc1.srv53.net.
ns: nsc2.srv53.com.
ns: nsc3.srv53.org.
ns: nsd1.srv53.net.
ns: nsd2.srv53.com.
ns: nsd4.srv53.org.