2.74.14.46.static.wline.lns.sme.cust.swisscom.ch has no CNAME records.
Question and response
Question
dig 2.74.14.46.static.wline.lns.sme.cust.swisscom.ch. NS
Answer
The response has no answer records.
Authority
74.14.46.static.wline.lns.sme.cust.swisscom.ch. 9567 SOA adnso1.bluewin.ch. sme\.network.swisscom.com. 2013101002 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0