DNS 'relay' mode: include additional records

[gpotter2]

• include additional records in 'relay' mode answer

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 82.14%. Comparing base (874abdc) to head (85464b3).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
scapy/layers/dns.py	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4687   +/-   ##
=======================================
  Coverage   82.13%   82.14%           
=======================================
  Files         361      361           
  Lines       86829    86830    +1     
=======================================
+ Hits        71321    71323    +2     
+ Misses      15508    15507    -1     

Files with missing lines	Coverage Δ
scapy/layers/dns.py	84.09% <0.00%> (-0.11%)	⬇️

... and 3 files with indirect coverage changes

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