Control: fixed 752772 0.87-1 Control: fixed 582992 0.87-1 Control: fixed 773496 0.87-1
Thanks to Marc Haber who reported this upstream in https://github.com/traviscross/mtr/issues/105 this issue has been fixed. I can confirm it works fine with only an IPv6-resolver. You can probably close this bug. a2824ck@ping:~$ mtr --report www.debian.org Start: Mon Nov 13 21:16:43 2017 HOST: ping Loss% Snt Last Avg Best Wrst StDev 1.|-- vl-60.cvr1-1wr.lrz.de 0.0% 10 0.8 0.9 0.8 1.0 0.0 2.|-- vl-3077.cvr1-2wr.lrz.de 0.0% 10 0.9 0.9 0.8 1.0 0.0 3.|-- vl-3075.csr1-2wr.lrz.de 0.0% 10 0.8 0.9 0.8 1.0 0.0 4.|-- cr-gar1-be2-108.x-win.dfn 40.0% 10 0.9 0.8 0.6 1.0 0.0 5.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0 6.|-- ffm-b12-link.telia.net 0.0% 10 9.0 9.8 9.0 16.9 2.4 7.|-- ffm-bb3-v6.telia.net 0.0% 10 9.7 9.7 9.5 10.0 0.0 8.|-- ffm-b1-v6.telia.net 0.0% 10 9.8 10.8 9.7 12.8 0.9 9.|-- ae6.cr1-fra6.ip6.gtt.net 0.0% 10 9.6 9.4 9.4 9.6 0.0 10.|-- xe-5-1-0.cr1-man1.ip6.gtt 0.0% 10 68.9 33.0 27.7 68.9 13.1 11.|-- te0-0-1-3-201.cr4.man.byt 20.0% 10 28.4 29.0 28.3 30.8 0.5 12.|-- te0-0-2-0.cr2.lds.bytemar 0.0% 10 35.8 35.5 35.3 35.8 0.0 13.|-- te0-0-0-2.cr3.yrk.bytemar 0.0% 10 35.2 35.4 35.2 36.1 0.0 14.|-- po1.ar1.dc1.yo26.yrk.byte 0.0% 10 35.3 36.5 35.0 47.9 4.0 15.|-- bm-bl1.debian.org 0.0% 10 34.8 34.8 34.7 34.8 0.0 16.|-- senfter.debian.org 0.0% 10 35.0 35.0 34.9 35.2 0.0 a2824ck@ping:~$ cat /etc/resolv.conf nameserver 2001:4ca0::53:1 search srv.lrz.de a2824ck@ping:~$ mtr --version mtr 0.87

