Question and response
Question
dig _sip._udp.ims.far.se.telia.net. SRV
Answer
_sip._udp.ims.far.se.telia.net. 3600 SRV 0 0 5081 icscf1-ref.se.telia.net.
Authority
The response has no authority records.
Additional
icscf1-ref.se.telia.net. 3600 A 127.0.0.22
. 0 OPT [{Extended_DNS_Error: PROHIBITED}] ; payload 1232, xrcode 0, version 0, flags 0