1. whois
#NS 5 xumah.com {'ns-2040.awsdns-63.co.uk.', 'ns-947.awsdns-54.net.', 'ns-1360.awsdns-42.org.', 'ns-246.awsdns-30.com.', 'ns-2000.awsdns-58.co.uk.'}
diff xumah.com {'ns-1463.awsdns-54.org.', 'ns-2040.awsdns-63.co.uk.', 'ns-44.awsdns-05.com.', 'ns-578.awsdns-08.net.'}
RF xumah.com ns-947.awsdns-54.net.
RF xumah.com ns-1360.awsdns-42.org.
RF xumah.com ns-246.awsdns-30.com.
RF xumah.com ns-2000.awsdns-58.co.uk.