[dns-operations] Routing loop in AS23033 for co.id - seems fishy

[Seth Mattinen]

Having a problem this morning resolving stuff under co.id while 
announcing my prefixes over AT&T in the US. It's not directly AT&T, but 
related to what AT&T thinks is the best path. Anyone happen to know if 
AS23033 Wowrack really supposed to be announcing 103.19.177.0/24?

Using this:

;; QUESTION SECTION:
;cpp.co.id.			IN	NS

;; AUTHORITY SECTION:
co.id.			43200	IN	NS	b.dns.id.
co.id.			43200	IN	NS	c.dns.id.
co.id.			43200	IN	NS	d.dns.id.
co.id.			43200	IN	NS	e.dns.id.

;; ADDITIONAL SECTION:
b.dns.id.		13300	IN	A	103.19.179.179
c.dns.id.		13300	IN	A	103.19.178.178
d.dns.id.		13300	IN	A	45.126.57.57
e.dns.id.		13300	IN	A	103.19.177.177
e.dns.id.		13300	IN	AAAA	2001:df5:4000:4::4


Trying to reach any of those IP addresses via AT&T in the mix gives me a 
routing loop at AS23033 Wowrack:

sethm at whiskers:~$ mtr -r -n -c 1 103.19.179.179
Start: Thu Apr 26 08:12:56 2018
HOST: whiskers                    Loss%   Snt   Last   Avg  Best  Wrst StDev
   1.|-- 208.79.242.33              0.0%     1    0.3   0.3   0.3   0.3 
  0.0
   2.|-- 208.79.242.205             0.0%     1    0.5   0.5   0.5   0.5 
  0.0
   3.|-- 208.79.242.170             0.0%     1    0.3   0.3   0.3   0.3 
  0.0
   4.|-- 12.116.94.237              0.0%     1    3.6   3.6   3.6   3.6 
  0.0
   5.|-- 12.122.160.30              0.0%     1   12.7  12.7  12.7  12.7 
  0.0
   6.|-- 12.122.18.14               0.0%     1   12.5  12.5  12.5  12.5 
  0.0
   7.|-- 12.122.149.133             0.0%     1    9.3   9.3   9.3   9.3 
  0.0
   8.|-- 192.205.32.222             0.0%     1    7.3   7.3   7.3   7.3 
  0.0
   9.|-- 62.115.118.168             0.0%     1   28.3  28.3  28.3  28.3 
  0.0
  10.|-- 62.115.161.3               0.0%     1   26.7  26.7  26.7  26.7 
  0.0
  11.|-- 216.244.88.47              0.0%     1   26.8  26.8  26.8  26.8 
  0.0
  12.|-- 216.244.88.49              0.0%     1   27.1  27.1  27.1  27.1 
  0.0
  13.|-- 216.244.88.170             0.0%     1   33.2  33.2  33.2  33.2 
  0.0
  14.|-- 216.244.88.161             0.0%     1   27.3  27.3  27.3  27.3 
  0.0
  15.|-- 216.244.88.160             0.0%     1   30.0  30.0  30.0  30.0 
  0.0
  16.|-- 216.244.88.161             0.0%     1   27.2  27.2  27.2  27.2 
  0.0
  17.|-- 216.244.88.160             0.0%     1   26.7  26.7  26.7  26.7 
  0.0
  18.|-- 216.244.88.161             0.0%     1   27.1  27.1  27.1  27.1 
  0.0
  19.|-- 216.244.88.160             0.0%     1   26.7  26.7  26.7  26.7 
  0.0
  20.|-- 216.244.88.161             0.0%     1   27.2  27.2  27.2  27.2 
  0.0
  21.|-- 216.244.88.160             0.0%     1   26.7  26.7  26.7  26.7 
  0.0
  22.|-- ???                       100.0     1    0.0   0.0   0.0   0.0 
  0.0
  23.|-- 216.244.88.160             0.0%     1   56.0  56.0  56.0  56.0 
  0.0
  24.|-- 216.244.88.161             0.0%     1   27.2  27.2  27.2  27.2 
  0.0
  25.|-- 216.244.88.160             0.0%     1   33.2  33.2  33.2  33.2 
  0.0
  26.|-- 216.244.88.161             0.0%     1   27.3  27.3  27.3  27.3 
  0.0
  27.|-- 216.244.88.160             0.0%     1   26.8  26.8  26.8  26.8 
  0.0
  28.|-- 216.244.88.161             0.0%     1   27.3  27.3  27.3  27.3 
  0.0
  29.|-- 216.244.88.160             0.0%     1   26.8  26.8  26.8  26.8 
  0.0
  30.|-- 216.244.88.161             0.0%     1   27.3  27.3  27.3  27.3 
  0.0




~Seth