[outages] Google and Level 3 public DNS

[John Kinsella]

I’ve been seeing issues the last hour or so from San Francisco (up at the moment). Connectivity to 8.8.8.8 noticeably different to 4.4.4.4:

To 4.4.4.4:
                                                         My traceroute  [vUNKNOWN]
https.local (10.33.106.41)                                                                                        2018-05-30T10:39:41-0700
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                                                                                  Packets               Pings
 Host                                                                                           Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. 10.33.104.1                                                                                  0.0%     8    1.4 172.9   1.2 1190. 413.1
 2. 157.130.196.213                                                                              0.0%     8   99.2  25.2   2.0  99.2  36.4
 3. 0.ae5.br1.lax15.alter.net                                                                    0.0%     8  180.2  34.7  11.7 180.2  58.9
 4. 89.221.35.190                                                                                0.0%     8  132.4  57.9  12.0 170.6  65.7
 5. 195.22.221.201                                                                               0.0%     8  252.5 226.6 172.2 365.6  80.4
 6. 195.22.221.231                                                                               0.0%     8  202.7 206.9 168.7 316.1  58.9
 7. ???
 8. ???
 9. xe-5-2-0-102.bar2.minneapolis2.level3.net                                                    0.0%     8  298.1 264.2 207.5 496.6 107.6
10. ???


To 8.8.8.8 (8.8.4.4 is similar):
                                                         My traceroute  [vUNKNOWN]
https.local (10.33.106.41)                                                                                        2018-05-30T10:41:26-0700
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                                                                                  Packets               Pings
 Host                                                                                           Loss%   Snt   Last   Avg  Best  Wrst StDev
 1. 10.33.104.1                                                                                  0.0%    26   66.3 237.0   1.0 5793. 1133.
 2. 157.130.196.213                                                                              0.0%    26   12.1  11.2   2.0  84.6  20.3
 3. bundle-ether4.gw6.sjc7.alter.net                                                             0.0%    26   44.3  15.6   4.6 130.5  25.1
 4. google-gw.customer.alter.net                                                                 0.0%    26  154.0  16.0   4.6 154.0  32.4
 5. 108.170.242.237                                                                              0.0%    26  101.1  20.6   5.8 146.9  35.9
 6. 74.125.253.151                                                                               0.0%    26   48.8  17.8   5.3 108.3  27.5
 7. 209.85.252.206                                                                               0.0%    26   26.4  44.3  25.5 147.4  25.7
 8. 209.85.250.172                                                                               0.0%    26   98.3  33.4  24.6  98.3  19.2
 9. 209.85.142.115                                                                               0.0%    26   68.5  40.0  26.0 174.5  36.3
10. ???
11. ???
12. ???
13. ???
14. ???
15. ???
16. ???
17. ???
18. ???
19. ???
20. google-public-dns-a.google.com                                                               0.0%    20  140.0  50.5  25.1 162.9  49.4

> On May 30, 2018, at 10:11 AM, James Sharp via Outages <outages at outages.org> wrote:
> 
> 8.8.8.8 and 4.2.2.2 are returning SERVFAIL from our downtown Los Angeles datacenter about 80% of the time at the moment.  Other public DNS servers seem to be happily returning what they need to.  Anyone else seeing this?
> 
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