auth: refactor doQuestion [Experiment]

[zeha]

Short description

Experiment to see what could become out of doQuestion.

Checklist

I have:

• read the CONTRIBUTING.md document
• compiled this code
• tested this code
• included documentation (including possible behaviour changes)
• documented the code
• added or modified regression test(s)
• added or modified unit test(s)

[coveralls]

Pull Request Test Coverage Report for Build 10586603780

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2342 unchanged lines in 68 files lost coverage.
• Overall coverage decreased (-1.8%) to 62.875%

---

Files with Coverage Reduction	New Missed Lines	%
pdns/base64.cc	1	80.6%
pdns/comment.hh	1	0.0%
pdns/query-local-address.cc	2	89.36%
pdns/dnswriter.cc	2	81.58%
ext/yahttp/yahttp/router.cpp	2	56.22%
pdns/json.hh	2	0.0%
pdns/iputils.cc	3	54.53%
pdns/dnsparser.hh	3	76.19%
pdns/qtype.hh	3	76.92%
pdns/threadname.cc	3	70.0%

Totals
Change from base Build 10579511995:	-1.8%
Covered Lines:	98565
Relevant Lines:	127331

---

💛 - Coveralls