mx: sorbonne-ae.mail.protection.outlook.com.
ns: auhans1.ecompany.ae.
ns: auhans2.ecompany.ae.
ns: dxbans1.ecompany.ae.
ns: dxbans2.ecompany.ae.
ns: ns1.etisalatdomains.ae.
ns: ns2.etisalatdomains.ae.
ns: ns3.etisalatdomains.ae.
ns: ns4.etisalatdomains.ae.