problems resolving domains unser NSxx.DOMAINCONTROL.COM - this problem i have too! :(((((
Rok Potočnik
r at rula.net
Tue Jun 22 05:20:14 UTC 2010
On 22.6.2010 2:16, Mark Andrews wrote:
> I suspect that your firewall is dropping replies to EDNS queries
> that *don't* include the OPT record (i.e. they are plain DNS not
> EDNS responses). Note that there was no OPT record in the reply.
I hardly think that my firewall configuration is faulty because I tried
it using different ISPs and even running "iptables -I INPUT -p udp
--sport 53 -j ACCEPT" on all servers. Apparently it's a buggy firewall
somewhere between the *.domaincontrol.com and my servers... The ISPs I
tried are using either Telia or Geant for international uplinks. I'd
like to emphasize that quite a lot of other domains on other servers get
resolved and running "dig +short rs.dns-oarc.net txt" returns high
(3843) values.
ISP 1# traceroute ns33.domaincontrol.com
traceroute to ns33.domaincontrol.com (216.69.185.17), 30 hops max, 38
byte packets
1 BSN-access.dsl.siol.net (213.250.19.90) 26.935 ms 17.750 ms
16.713 ms
2 * * 95.176.241.126 (95.176.241.126) 17.416 ms
3 95.176.253.9 (95.176.253.9) 17.826 ms 75.801 ms 16.747 ms
4 win-b2-link.telia.net (213.248.102.177) 24.095 ms 24.004 ms
23.846 ms
5 prag-bb1-link.telia.net (80.91.246.50) 28.999 ms 29.884 ms 30.308 ms
6 ffm-bb1-link.telia.net (80.91.246.14) 48.668 ms 70.800 ms 134.729 ms
7 ffm-b7-link.telia.net (80.91.254.249) 54.238 ms
ffm-b7-link.telia.net (80.91.251.52) 47.574 ms ffm-b7-link.telia.net
(80.91.254.93) 64.056 ms
8 globalcrossing-119012-ffm-b7.telia.net (213.248.103.42) 106.136 ms
globalcrossing-ic-130855-ffm-b7.c.telia.net (213.248.89.182) 50.004 ms
globalcrossing-119012-ffm-b7.telia.net (213.248.103.42) 67.012 ms
9 204.245.39.50 (204.245.39.50) 53.012 ms 53.129 ms 51.957 ms
10 ip-208-109-115-201.ip.secureserver.net (208.109.115.201) 52.958 ms
50.611 ms 53.910 ms
11 * * *
12 ip-208-109-115-202.ip.secureserver.net (208.109.115.202) 53.414 ms
50.891 ms 51.195 ms
13 ip-208-109-115-121.ip.secureserver.net (208.109.115.121) 52.730 ms
53.783 ms 52.695 ms
14 ip-208-109-115-218.ip.secureserver.net (208.109.115.218) 53.935 ms
52.908 ms 52.163 ms
15 ip-208-109-115-217.ip.secureserver.net (208.109.115.217) 52.694 ms
52.646 ms 51.930 ms
16 ip-208-109-113-62.ip.secureserver.net (208.109.113.62) 52.944 ms
51.881 ms 52.922 ms
17 * * *
18 * * *
19 * * *
20 * * *
21 * * *
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 * * *
ISP 2# traceroute ns33.domaincontrol.com
traceroute to ns33.domaincontrol.com (216.69.185.17), 30 hops max, 38
byte packets
1 93-103-0-1.gw.t-2.net (93.103.0.1) 9.030 ms 8.083 ms 8.160 ms
2 84-255-209-193.core.t-2.net (84.255.209.193) 8.374 ms 8.023 ms
7.974 ms
3 84-255-250-22.core.t-2.net (84.255.250.22) 7.968 ms 8.256 ms
8.224 ms
4 win-b2-link.telia.net (213.248.104.157) 11.738 ms 11.779 ms
11.723 ms
5 win-bb2-link.telia.net (80.91.246.198) 12.238 ms 12.327 ms 12.223 ms
6 ffm-bb2-link.telia.net (80.91.246.30) 25.486 ms 24.566 ms 24.715 ms
7 ffm-b7-link.telia.net (80.91.251.54) 24.993 ms
ffm-b7-link.telia.net (80.91.254.253) 30.086 ms ffm-b7-link.telia.net
(80.91.254.101) 24.845 ms
8 globalcrossing-ic-130855-ffm-b7.c.telia.net (213.248.89.182)
25.251 ms 24.846 ms 24.977 ms
9 204.245.39.50 (204.245.39.50) 34.239 ms 34.865 ms 34.478 ms
10 ip-208-109-115-201.ip.secureserver.net (208.109.115.201) 34.735 ms
34.950 ms 34.478 ms
11 * * *
12 ip-208-109-115-202.ip.secureserver.net (208.109.115.202) 34.793 ms
35.214 ms 34.732 ms
13 ip-208-109-115-121.ip.secureserver.net (208.109.115.121) 34.730 ms
34.768 ms 34.729 ms
14 ip-208-109-115-218.ip.secureserver.net (208.109.115.218) 34.483 ms
35.016 ms 34.479 ms
15 ip-208-109-115-217.ip.secureserver.net (208.109.115.217) 34.718 ms
109.990 ms 34.481 ms
16 ip-208-109-113-62.ip.secureserver.net (208.109.113.62) 34.476 ms
34.501 ms 34.477 ms
17 * * *
18 * * *
19 * * *
20 * * *
21 * * *
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 * * *
ISP 3# traceroute ns33.domaincontrol.com
traceroute to ns33.domaincontrol.com (216.69.185.17), 30 hops max, 38
byte packets
1 * * *
2 BSN-6.siol.net (193.77.8.1) 61.959 ms 28.323 ms 26.930 ms
3 95.176.241.126 (95.176.241.126) 24.220 ms 23.460 ms 25.124 ms
4 * * *
5 rpttlj1-tk.arnes.si (193.2.33.34) 23.972 ms 24.332 ms 23.130 ms
6 rpttlj1-G0-1.arnes.si (193.2.33.33) 23.525 ms 22.670 ms 24.388 ms
7 rpttlj2-G4-1-0x100.arnes.si (193.2.31.65) 23.645 ms 23.202 ms
23.194 ms
8 lpttlj2-V788.arnes.si (193.2.31.138) 23.371 ms 23.714 ms 23.366 ms
9 larnes6-V65.arnes.si (193.2.30.65) 22.935 ms 22.920 ms 23.679 ms
10 rarnes1-X0-0-0x101.arnes.si (212.235.160.241) 23.134 ms 23.392 ms
22.900 ms
11 arnes.rt1.vie.at.geant2.net (62.40.124.5) 31.331 ms 30.380 ms
30.857 ms
12 tenGigabitEthernet1-3.ar2.VIE1.gblx.net (64.214.145.145) 36.976 ms
141.477 ms 207.660 ms
13 204.245.39.50 (204.245.39.50) 54.424 ms 53.878 ms 54.181 ms
14 ip-208-109-115-201.ip.secureserver.net (208.109.115.201) 53.703 ms
54.273 ms 54.446 ms
15 * * *
16 ip-208-109-115-194.ip.secureserver.net (208.109.115.194) 54.772 ms
54.914 ms 55.659 ms
17 ip-208-109-115-113.ip.secureserver.net (208.109.115.113) 54.660 ms
56.149 ms 55.575 ms
18 ip-208-109-115-218.ip.secureserver.net (208.109.115.218) 54.939 ms
55.440 ms 55.163 ms
19 ip-208-109-115-217.ip.secureserver.net (208.109.115.217) 55.841 ms
54.815 ms 53.652 ms
20 ip-208-109-113-62.ip.secureserver.net (208.109.113.62) 53.969 ms
53.489 ms 53.763 ms
21 * * *
22 * * *
23 * * *
24 * * *
25 * * *
26 * * *
27 * * *
28 * * *
29 * * *
30 * * *
--
BR, Rok
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