Can't connect to certain website / server

Hey guys,

I run a small website and recently switched hosters. My new hoster is serverprofis.de

My domain was transferred a couple of days ago from my old hoster. Unfortunately since then I can’t connect from my home network to the new hoster (neither via my domain nor serverprofis.de).

I do not know if this I related or coincidence.

Here is the tracert output connected to my home network:

>tracert serverprofis.de

Tracing route to serverprofis.de [195.30.102.170]
over a maximum of 30 hops:

  1     1 ms     1 ms     1 ms  192.168.1.1
  2     9 ms    10 ms     8 ms  ip4d1693fe.dynamic.kabel-deutschland.de [77.22.147.254]
  3     9 ms     9 ms     8 ms  83-169-158-158.static.superkabel.de [83.169.158.158]
  4    12 ms    13 ms     7 ms  ip5886c3a7.static.kabel-deutschland.de [88.134.195.167]
  5    11 ms    10 ms     9 ms  145.254.3.136
  6    18 ms     *       16 ms  145.254.2.179
  7     *        *        *     Request timed out.
  8    18 ms    16 ms    17 ms  cisco-f-x-ten0-0-2-3.space.net [80.81.192.105]
  9    26 ms    22 ms    24 ms  m53-ten0-1-0-20.space.net [185.54.120.136]
 10    22 ms    25 ms    27 ms  m42-te6-5-v17.Space.Net [185.54.120.155]
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
(...)
 29     *        *        *     Request timed out.
 30     *        *        *     Request timed out.

Trace complete.

Here is the same output when connected via my mobile network:

>tracert serverprofis.de

Tracing route to serverprofis.de [195.30.102.170]
over a maximum of 30 hops:

  1     2 ms     3 ms     3 ms  172.20.10.1
  2     *        *        *     Request timed out.
  3    31 ms    22 ms    48 ms  10.218.129.60
  4    25 ms    27 ms    27 ms  10.218.131.139
  5    26 ms    21 ms    26 ms  ipservice-092-214-096-011.092.214.pools.vodafone-ip.de [92.214.96.11]
  6    21 ms    24 ms     *     10.216.34.166
  7    26 ms    21 ms    21 ms  10.216.34.34
  8    21 ms    32 ms    26 ms  ipservice-092-214-096-008.092.214.pools.vodafone-ip.de [92.214.96.8]
  9     *       35 ms    27 ms  145.254.2.179
 10     *        *        *     Request timed out.
 11   196 ms    36 ms    26 ms  cisco-f-x-ten0-0-2-3.space.net [80.81.192.105]
 12   662 ms    53 ms   216 ms  m53-ten0-1-0-20.space.net [185.54.120.136]
 13   156 ms   235 ms   156 ms  m42-te6-5-v17.space.net [185.54.120.155]
 14   386 ms   236 ms   519 ms  pf-j06-sn-muc-de.sp-server.net [185.54.123.1]
 15     *        *        *     Request timed out.
 16     *        *        *     Request timed out.
(...)
 29     *        *        *     Request timed out.
 30     *        *        *     Request timed out.

Trace complete.

And finally a trace from https://www.heise.de/netze/tools/traceroute/

Hop 	IP 	Hostname 	Pings [ms] 	avg [ms]
1 	212.19.45.33 	212.19.45.33 	0,37 /  0,34 /  0,34 	0,35
2 	212.19.61.10 	212.19.61.10 	0,38 /  0,54 /  0,40 	0,44
3 	82.98.102.20 	82.98.102.20 	0,70 /  0,76 /  0,69 	0,72
4 	82.98.102.6 	82.98.102.6 	1,10 /  0,95 /  1,05 	1,03
5 	80.81.192.105 	80.81.192.105 	5,66 /  4,33 /  3,71 	4,57
6 	185.54.120.136 	185.54.120.136 	8,77 /  8,10 /  8,17 	8,34
7 	185.54.120.155 	185.54.120.155 	6,59 /  7,19 /  6,84 	6,87
8 	185.54.123.1 	185.54.123.1 	6,49 /  6,42 /  6,45 	6,46

How do I find out if this a problem with

thanks in advance!

  • The server is on WAN, correct?
  • Your WAN didn't change?
  • Your LAN didn't change?
  • Your WAN is your ISP.
  • And your hoster.

(How is this OpenWrt-related?)

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can you access your site through your mobile device, while using the mobile network ?

if not, then there's nothing openwrt can do about it.

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Okay, a phone call to my ISP (Vodafone) solved the issue. The person on the phone could not tell me if there is a problem but 5min after the call it went away. Also I found someone describing the exact same problem (GERMAN): https://forum.vodafone.de/t5/Störungsmeldungen-Internet-TV/Webeiten-via-Kabel-gesperrt/td-p/2394278

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Since this seems to be an ISP problem, I'm closing this topic now.

2 Likes