systemd-resolved

M. Piscaer debian at masterpe.nl
Wed Dec 13 13:00:22 UTC 2017


Hi,

On an Ubuntu 17.04 system I try to surf to www.ziggogo.tv. In chrome I
get the message:

This site can’t be reached
www.ziggogo.tv’s server DNS address could not be found.

DNS_PROBE_FINISHED_NXDOMAIN

Firefox has also the same issue. When I try to ping the addresses I get
an error:

:~$ ping www.ziggogo.tv
ping: www.ziggogo.tv: Temporary failure in name resolution

When I try to ping with version number specified all words OK.

:~$ ping -4 www.ziggogo.tv
PING wp-a49d720000000000.id.cdn.upcbroadband.com (212.142.30.150) 56(84)
bytes of data.
^C64 bytes from 212.142.30.150: icmp_seq=1 ttl=55 time=7.28 ms

--- wp-a49d720000000000.id.cdn.upcbroadband.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 7.286/7.286/7.286/0.000 ms

:~$ ping -6 www.ziggogo.tv
PING www.ziggogo.tv(2001:730:3400:8000::16 (2001:730:3400:8000::16)) 56
data bytes
64 bytes from 2001:730:3400:8000::16 (2001:730:3400:8000::16):
icmp_seq=1 ttl=55 time=5.87 ms
^C
--- www.ziggogo.tv ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 5.875/5.875/5.875/0.000 ms

If i do a host lookup I get the following result:

:~$ host www.ziggogo.tv
www.ziggogo.tv is an alias for wp-a49d720000000000.id.cdn.upcbroadband.com.
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.150
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.180
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.144
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.166
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.148
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.170
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.138
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.136
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.182
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.142
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.164
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.134
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.168
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.132
wp-a49d720000000000.id.cdn.upcbroadband.com has address 212.142.30.140
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8000::16
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8001::14
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8000::10
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8001::6
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8000::14
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8001::a
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8000::a
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8000::8
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8001::16
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8000::e
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8001::4
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8000::6
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8001::8
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8000::4
wp-a49d720000000000.id.cdn.upcbroadband.com has IPv6 address
2001:730:3400:8000::c

The config of /etc/systemd/resolved.conf is default:
[Resolve]
#DNS=
#FallbackDNS=
#Domains=
#LLMNR=yes
#DNSSEC=no
#Cache=yes
#DNSStubListener=udp


Probably I has to do with the massive records. Both zones ziggogo.tv and
upcbroadband.com doesn't have any DNSSec enabled.

Kinds regards,

Michiel Piscaer



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