Question and response
Question
dig iristel.io. CSYNC
Answer
The response has no answer records.
Authority
iristel.io. 3600 SOA pdns104.ultradns.com. tldadmin.iristel.com. 2018032723 10800 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0