ns1.dublinweekendbreaks.com has no SRV records.
Question and response
Question
dig dublinweekendbreaks.com. SRV
Answer
The response has no answer records.
Authority
dublinweekendbreaks.com. 3600 SOA dns.dublinweekendbreaks.com. hostmaster.dublinweekendbreaks.com. 1360829866 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0