Because I couldn’t find any that worked.

(Dark blue: incoming queries, light blue: outgoing/recursive lookups)
mrtg.cfg sample:
# Bind
Title[bind]: Bind Queries
Target[bind]: `/etc/mrtg/bind-stats.sh`
PageTop[bind]: <H1> Bind queries per minute on vm1 </H1>
Options[bind]: growright,pngdate,nobanner,gauge,nopercent,noinfo
MaxBytes[bind]: 50000
Ylegend[bind]: Queries/min
ShortLegend[bind]: queries/min
LegendO[bind]: Incoming Bind queries per minute
LegendI[bind]: Outcoing Bind queries per minute
Legend2[bind]: Incoming Bind queries per minute
Legend1[bind]: Outcoing Bind queries per minute
bind-stats.sh:
#!/bin/bash
# Bind MRTG stats
# by Yeri Tiete (Tuinslak) - 10/02/2011
# https://yeri.be
#
# mrtg.cfg sample:
################################################################################
# #
# # Bind
# #
# Title[bind]: Bind Queries
# Target[bind]: `/etc/mrtg/bind-stats.sh`
# PageTop[bind]: <H1> Bind queries per minute on vm1 </H1>
# Options[bind]: growright,pngdate,nobanner,gauge,nopercent,noinfo
# MaxBytes[bind]: 50000
# Ylegend[bind]: Queries/min
# ShortLegend[bind]: queries/min
# LegendO[bind]: Incoming Bind queries per minute
# LegendI[bind]: Outcoing Bind queries per minute
# Legend2[bind]: Incoming Bind queries per minute
# Legend1[bind]: Outcoing Bind queries per minute
################################################################################
file path of named.stats
FILE=/var/log/named.stats
TMPFILE=/tmp/__dnsstats.txt