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[solved] DNS changes related to the "search" keyword
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toralf
Developer
Developer


Joined: 01 Feb 2004
Posts: 3648
Location: Hamburg

PostPosted: Sat Nov 12, 2016 11:52 am    Post subject: [solved] DNS changes related to the "search" keywo Reply with quote

Suddenly I was screwed up by this :
Code:
 $ host mr-fox
mr-fox.fritz.box has address 127.0.53.53
mr-fox.fritz.box mail is handled by 10 your-dns-needs-immediate-attention.box.
ssh worked fine as long as the FQHN was used. That BTW I realized just by accident - fortunately.
I had to change the order of
Code:
search localdomain kvm_domain fritz.box zwiebeltoralf.de
into
Code:
search localdomain kvm_domain zwiebeltoralf.de fritz.box
to get rsync, fish:// and so on here working again. That entry wasn't changed since eons..
Now I'm curious what was changed (upstream/by AVM) ? FWIW I do not use the DNS from my ISP, rather I use dnsmasq here :
Code:
t44 ~ # cat /etc/resolv.conf
# Generated by dhcpcd
# =start of /etc/resolv.conf.head
nameserver 127.0.0.1
# =end of/etc/resolv.conf.head
# =start of /etc/resolv.conf.tail
search localdomain kvm_domain zwiebeltoralf.de fritz.box
# =end of /etc/resolv.conf.tail
and do not use name server from my ISP - rather I do use free DNSSEC nameservers configured in dnsmasq.conf.

Update
Thx to #ccchh I got i, it is a TLD .box + AVMthing: https://www.icann.org/resources/agreement/box-2015-11-12-en
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eccerr0r
Watchman
Watchman


Joined: 01 Jul 2004
Posts: 7051
Location: almost Mile High in the USA

PostPosted: Sat Nov 12, 2016 5:18 pm    Post subject: Reply with quote

Don't know who maintains fritz.box but it looks like it's mapping apparently (and probably suddenly) all unknown.fritz.box to the same host. So your fix is correct.

doujima:~$ host mr-fox.fritz.box
mr-fox.fritz.box has address 127.0.53.53
mr-fox.fritz.box mail is handled by 10 your-dns-needs-immediate-attention.box.
doujima:~$

I hate wildcard mapping, but it has its uses... I especially hate it when you're forced to use a DNS that has wildcard mapping of all unknowns... but fritz.box can do whatever fritz.box wants.
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What am I supposed watching?
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