tipograf3.cust.smartspb.net has no SRV records.
Question and response
Question
dig tipograf3.cust.smartspb.net. SRV
Answer
The response has no answer records.
Authority
cust.smartspb.net. 3600 SOA ns4.smartspb.net. hostmaster.smartspb.net. 52556 28801 1800 1209600 28800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0