mx: avsiipa007.fluor.com.
mx: avsiipa008.fluor.com.
mx: rgsiipa009.fluor.com.
mx: rgsiipa010.fluor.com.
mx: rgsiipa011.fluor.com.
ns: pdns1.ultradns.net.
ns: pdns2.ultradns.net.
ns: pdns3.ultradns.org.
ns: pdns4.ultradns.org.
ns: pdns5.ultradns.info.
ns: pdns6.ultradns.co.uk.