Information about .americanexpress

Nameservers

NameserverAAAAA
ns1.dns.nic.americanexpress
ns2.dns.nic.americanexpress
ns3.dns.nic.americanexpress
ns4.dns.nic.americanexpress
ns5.dns.nic.americanexpress
ns6.dns.nic.americanexpress

More detailed DNS data can be found from here.