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Rackspace DNS

J1021J1021 Member
in Help

Hello,

Been using Rackspace DNS for about a week or two now. On their website they advertise it as being anycast.

Support have told me that connections for DNS requests should be routed to the closest available DC, but they don't always appear to be.

Dallas, US

traceroute to dns1.stabletransit.com (69.20.95.4), 30 hops max, 40 byte packets 1 onecloud-router-17-146-dallas.op-net.com (173.208.17.146) 0.035 ms 2 xe-5-0-0.er1.dfw2.us.above.net (209.66.115.53) 0.827 ms 3 128.177.70.86.IPYX-076520-900-ZYO.above.net (128.177.70.86) 2.158 ms 4 coreb.dfw1.rackspace.net (74.205.108.36) 1.966 ms 5 72.3.128.245 (72.3.128.245) 1.798 ms

London, UK

traceroute to dns1.stabletransit.com (69.20.95.4), 30 hops max, 40 byte packets 1 onecloud-209-130.router.uk.op-net.com (5.152.209.130) 0.030 ms 2 h185-5-2-177.host.redstation.co.uk (185.5.2.177) 0.273 ms 3 h185-5-3-213.host.redstation.co.uk (185.5.3.213) 0.239 ms 4 63-218-207-5.static.pccwglobal.net (63.218.207.5) 3.755 ms 5 TenGE4-1.br03.dal01.pccwbtn.net (63.218.22.146) 124.930 ms 6 67.192.138.130 (67.192.138.130) 122.454 ms 7 coreb.dfw1.rackspace.net (74.205.108.56) 124.782 ms 8 72.3.128.243 (72.3.128.243) 124.625 ms

Ontario, Canada

traceroute to dns1.stabletransit.com (69.20.95.4), 30 hops max, 40 byte packets 1 hn012.vps.mtl.media-hosts.com (199.167.128.4) 0.063 ms 2 gw1-s1.800sqv.mtl.media-hosts.com (199.182.128.1) 0.321 ms 3 gw-netelligent.800sqv.mtl.media-hosts.com (67.212.66.41) 0.315 ms 4 xe-0-0-3-3904.CR3.1250RL.as10929.net (209.44.125.216) 0.292 ms 5 199.193.53.27 (199.193.53.27) 0.352 ms 6 ix-0-2-1-0.tcore1.MTT-Montreal.as6453.net (64.86.31.17) 0.433 ms 7 * 8 if-5-2.tcore2.NYY-New-York.as6453.net (216.6.99.29) 22.875 ms 9 if-11-2.tcore1.NYY-New-York.as6453.net (216.6.99.2) 22.932 ms 10 if-4-16.tcore2.AEQ-Ashburn.as6453.net (216.6.90.14) 22.434 ms 11 if-2-2.tcore1.AEQ-Ashburn.as6453.net (216.6.87.2) 22.765 ms 12 66.198.154.74 (66.198.154.74) 17.225 ms 13 corea-edge7.coreA.iad3.rackspace.net (69.20.1.240) 14.087 ms 14 69.20.103.103 (69.20.103.103) 14.042 ms

Paris, France

traceroute to dns1.stabletransit.com (69.20.95.4), 30 hops max, 40 byte packets 1 215-router.op-net.com (37.59.1.215) 0.051 ms 2 sbg-g2-a9.fr.eu (91.121.131.142) 1.367 ms 3 fra-5-6k.fr.eu (91.121.128.124) 3.194 ms 4 rbx-g2-a9.fr.eu (91.121.131.130) 11.653 ms 5 * 6 ge-2-1-0.mpr1.lhr2.uk.above.net (195.66.224.76) 14.854 ms 7 ae1.mpr2.lhr2.uk.above.net (64.125.27.149) 14.829 ms 8 * 9 ae5.cr2.dca2.us.above.net (64.125.20.190) 93.058 ms 10 ae2.er2.dca2.us.above.net (64.125.26.178) 89.694 ms 11 208.185.125.154.IPYX-076520-921-ZYO.above.net (208.185.125.154) 89.663 ms 12 corea-edge6.iad2.rackspace.net (69.20.2.56) 115.342 ms 13 69.20.103.101 (69.20.103.101) 90.064 ms

Sydney, Australia

traceroute to dns1.stabletransit.com (69.20.95.4), 30 hops max, 40 byte packets 1 27.50.67.36 (27.50.67.36) 0.023 ms 2 202.130.32.154 (202.130.32.154) 3.805 ms 3 202.167.227.237 (202.167.227.237) 3.023 ms 4 xe-1-0-0.gw101.sy1.ap.equinix.com (27.111.240.140) 26.409 ms 5 202.68.67.41 (202.68.67.41) 3.381 ms 6 xe-5-1-0.r05.sydnau01.au.bb.gin.ntt.net (202.68.64.162) 5.171 ms 7 as-0.r02.lsanca03.us.bb.gin.ntt.net (129.250.3.18) 142.120 ms 8 xe-2-1-9.r20.lsanca03.us.bb.gin.ntt.net (129.250.2.141) 143.168 ms 9 xe-0-1-3.r21.lsanca03.us.bb.gin.ntt.net (129.250.2.189) 164.775 ms 10 xe-1.level3.lsanca03.us.bb.gin.ntt.net (129.250.9.202) 165.106 ms 11 xe-2.level3.lsanca03.us.bb.gin.ntt.net (129.250.9.226) 190.212 ms 12 vlan70.csw2.LosAngeles1.Level3.net (4.69.144.126) 251.024 ms 13 ae-72-72.ebr2.LosAngeles1.Level3.net (4.69.137.21) 248.912 ms 14 * 15 ae-101-101.ebr1.Atlanta2.Level3.net (4.69.202.65) 228.224 ms 16 ae-101-101.ebr1.Atlanta2.Level3.net (4.69.202.65) 252.411 ms 17 ae-1-51.edge3.Washington12.Level3.net (4.69.146.187) 228.345 ms 18 4.31.104.6 (4.31.104.6) 228.803 ms 19 corea-edge5.iad2.rackspace.net (69.20.2.120) 238.425 ms 20 69.20.103.101 (69.20.103.101) 238.402 ms

Is what they're saying correct?

Comments

  • NyrNyr Community Contributor, Veteran

    They are anycast.

    dns1 routes only to the US and dns2 only to the UK, but it's fine.

  • RazzaRazza Member
    edited May 2014

    @1e10 if you really what anycast dns, try cloudflare

    my kimsufi server
    traceroute to fred.ns.cloudflare.com (173.245.59.113), 30 hops max, 60 byte packets 1 vss-9a-6k.fr.eu (5.39.78.253) 0.396 ms * * 2 rbx-g1-a9.fr.eu (91.121.131.155) 2.303 ms 2.295 ms 3.094 ms 3 * * * 4 * * * 5 195.66.225.179 (195.66.225.179) 20.645 ms 20.626 ms 10.585 ms 6 fred.ns.cloudflare.com (173.245.59.113) 4.250 ms 4.412 ms 4.676 m

    New Jersey

    traceroute to fred.ns.cloudflare.com (173.245.59.113), 30 hops max, 60 byte packets 1 199.195.255.118 (199.195.255.118) 0.041 ms 0.015 ms 0.013 ms 2 ethernet1-1-9-c5-14-b2-cas2.pnj1.choopa.net (64.237.34.233) 0.764 ms 0.582 ms 1.001 ms 3 ethernet17-3-br1.pnj1.choopa.net (108.61.65.221) 0.541 ms 0.511 ms vl123-br2.pnj1.choopa.net (108.61.138.101) 0.450 ms 4 ae7.ar2.nyc3.us.nlayer.net (69.31.34.77) 2.799 ms ae7.ar1.nyc3.us.nlayer.net (69.31.34.61) 2.730 ms ae3.ar2.ewr1.us.nlayer.net (69.31.95.5) 2.234 ms 5 vlan-76.ar2.ewr1.us.nlayer.net (69.31.94.72) 5.222 ms 204.93.33.198 (204.93.33.198) 0.955 ms as13335.xe-7-0-3.ar2.ewr1.us.nlayer.net (69.31.95.70) 0.921 ms 6 204.93.33.198 (204.93.33.198) 1.407 ms fred.ns.cloudflare.com (173.245.59.113) 0.980 ms 1.217 ms

    Australia
    traceroute to fred.ns.cloudflare.com (173.245.59.113), 30 hops max, 40 byte packets 1 103.25.56.5 (103.25.56.5) 0.047 ms 0.038 ms 0.014 ms 2 g0-1.bdr1.dc1.colocity.com (119.252.31.241) 0.308 ms 0.366 ms 0.355 ms 3 g0-1-610.bdr2.dc2.colocity.com (119.252.0.58) 0.636 ms 0.677 ms 0.666 ms 4 (218.100.52.11) 21.952 ms 22.004 ms 21.992 ms 5 fred.ns.cloudflare.com (173.245.59.113) 21.978 ms 21.965 ms 21.953 ms

  • J1021J1021 Member
    edited May 2014

    I'm not really keen on CloudFlare. I find their websites goes offline for minutes at a time several times a day for me and it's irritating whilst trying to edit a DNS record.

    What I want to know from this thread is whether what Rackspace is offering true anycast DNS?

  • AmfyAmfy Member

    1e10 said: What I want to know from this thread is whether what Rackspace is offering true anycast DNS?

    There is no true or false anycast. It's just about on what scale a provider is operating such. Just taken from the examples, Cloudflare has a much larger network and is better engineered than the one from Rackspace. It's quite complex to get Anycast "perfectly done".

  • NyrNyr Community Contributor, Veteran
    edited May 2014

    @Razza CloudFlare isn't so great and routes are exactly the same for their primary and secondary nameservers.

    @1e10 I already told you. They are doing anycast.

    @Amfy of course there is true anycast. And "better engineered" is just your personal opinion. Uptime and reliability is actually much better with Rackspace. CloudFlare is the DigitalOcean of DNS providers.

  • kaflokaflo Member

    Is rackspace DNS really free?

  • NyrNyr Community Contributor, Veteran

    @kaflo said:
    Is rackspace DNS really free?

    Yes - for clients only.

    Thanked by 1kaflo
  • shovenoseshovenose Member, Host Rep

    Yes but you have to register an account. You never actually need to order anything thouh.

    Thanked by 1kaflo
  • NyrNyr Community Contributor, Veteran

    shovenose said: You never actually need to order anything thouh.

    Service is clearly advertised for clients with active services. Don't be surprised if one day your account gets terminated and your DNS gets down.

  • shovenoseshovenose Member, Host Rep

    Well I do have services with them so.

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