[Bug 1663345] Re: 10-15 seconds delay until host is resolved

[Null_Sieben]

Should I remove bind9-host?

$ sudo apt-get remove bin

bind9-host      binfmt-support  binutils


Seems there is running something!?!?


$ dig

; <<>> DiG 9.10.3-P4-Ubuntu <<>>
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23674
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			163729	IN	NS	g.root-servers.net.
.			163729	IN	NS	f.root-servers.net.
.			163729	IN	NS	b.root-servers.net.
.			163729	IN	NS	i.root-servers.net.
.			163729	IN	NS	a.root-servers.net.
.			163729	IN	NS	j.root-servers.net.
.			163729	IN	NS	k.root-servers.net.
.			163729	IN	NS	c.root-servers.net.
.			163729	IN	NS	m.root-servers.net.
.			163729	IN	NS	e.root-servers.net.
.			163729	IN	NS	h.root-servers.net.
.			163729	IN	NS	d.root-servers.net.
.			163729	IN	NS	l.root-servers.net.

;; Query time: 26 msec
;; SERVER: 127.0.1.1#53(127.0.1.1)
;; WHEN: Sat Feb 18 00:46:46 CET 2017
;; MSG SIZE  rcvd: 239


$ dig -x 127.0.0.1

; <<>> DiG 9.10.3-P4-Ubuntu <<>> -x 127.0.0.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13593
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;1.0.0.127.in-addr.arpa.		IN	PTR

;; AUTHORITY SECTION:
in-addr.arpa.		3490	IN	SOA	b.in-addr-servers.arpa. nstld.iana.org. 2016110952 1800 900 604800 3600

;; Query time: 29 msec
;; SERVER: 127.0.1.1#53(127.0.1.1)
;; WHEN: Sat Feb 18 00:48:18 CET 2017
;; MSG SIZE  rcvd: 119

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https://bugs.launchpad.net/bugs/1663345

Title:
  10-15 seconds delay until host is resolved

Status in resolvconf package in Ubuntu:
  Incomplete

Bug description:
  I have the problem that every new DNS query takes about 10 - 15
  seconds.

  This is the first time I used "ubuntu-bug resolvconf". Hopefully all
  information of my system are attached to this report.

  Thanks for help or hints    :)

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: resolvconf 1.79ubuntu1
  ProcVersionSignature: Ubuntu 4.8.0-37.39-generic 4.8.16
  Uname: Linux 4.8.0-37-generic x86_64
  ApportVersion: 2.20.3-0ubuntu8.2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Feb  9 19:36:34 2017
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2017-01-22 (18 days ago)
  InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
  PackageArchitecture: all
  SourcePackage: resolvconf
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.resolvconf.resolv.conf.d.head:
   # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
   #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
   nameserver 127.0.0.1
  mtime.conffile..etc.resolvconf.resolv.conf.d.head: 2017-02-09T18:49:48.934789

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