239.171.69.in-addr.arpa
DNS delegation of 239.171.69.in-addr.arpa updated: Jun 20, 2013 12:24:02 PM
Delegation
step query auth servers
1 239.171.69.in-addr.arpa. . (e,k,a,i,l,f,c,j,m,b,d,g,h).root-servers.net. 2 239.171.69.in-addr.arpa. in-addr.arpa. (d,e,a,f,b,c).in-addr-servers.arpa. 3 239.171.69.in-addr.arpa. 69.in-addr.arpa. (v,t,r,z,x,u,y,w).arin.net. 4 239.171.69.in-addr.arpa. 239.171.69.in-addr.arpa. (b,a).ns.facebook.com.
We pick e.root-servers.net , one of the 13 root servers (1), and ask it about 239.171.69.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask d.in-addr-servers.arpa where we learn that 69.in-addr.arpa is delegated to eight name servers, including v.arin.net (3), so we ask that one and learn that 239.171.69.in-addr.arpa is delegated to two name servers (4), so we ask b.ns.facebook.com and get the following answer:
Authoritative answer
net. com. arpa. arin.net. z.arin.net. u.arin.net. w.arin.net. t.arin.net. v.arin.net. y.arin.net. r.arin.net. x.arin.net. in-addr.arpa. facebook.com. ns.facebook.com. 69.in-addr.arpa. root-servers.net. a.ns.facebook.com. b.ns.facebook.com. m.root-servers.net. a.root-servers.net. j.root-servers.net. h.root-servers.net. d.root-servers.net. i.root-servers.net. l.root-servers.net. k.root-servers.net. g.root-servers.net. f.root-servers.net. c.root-servers.net. b.root-servers.net. e.root-servers.net. 171.69.in-addr.arpa. in-addr-servers.arpa. b.in-addr-servers.arpa. e.in-addr-servers.arpa. c.in-addr-servers.arpa. d.in-addr-servers.arpa. f.in-addr-servers.arpa. a.in-addr-servers.arpa. 239.171.69.in-addr.arpa.
whois net whois com whois arpa whois arin.net whois in-addr.arpa whois facebook.com whois root-servers.net whois in-addr-servers.arpa
whois in-addr.arpa , in-addr.arpa domain info api in-addr.arpa The name server b.ns.facebook.com There are more than two hundred domains that use the name server b.ns.facebook.com .
Most of those use the two name servers a and b.ns.facebook.com together, hereafter referred to as "name server group 1 ", (example: 235.171.69.in-addr.arpa , 229.171.69.in-addr.arpa and 156.220.66.in-addr.arpa ). One quarter of them point only to the IP number 173.252.110.27 (example: facebook.co , facebook.bs and facebooklogin.com ). Six percent of them use the five name servers ns3.facebook.com , ns4.facebook.com , ns5.facebook.com , a.ns.facebook.com and b.ns.facebook.com together, hereafter referred to as "name server group 2 ", (example: facebook.net , facebook.mobi and 79.13.31.in-addr.arpa ). Six of them point only to the IP number 69.171.233.18 (example: friendfeed-media.com ). The name server a.ns.facebook.com There are more than two hundred domains that use the name server a.ns.facebook.com .
The two name servers a and b.ns.facebook.com together There are more than two hundred domains that use name server group 1 .
The five name servers ns3.facebook.com, ns4.facebook.com, ns5.facebook.com, a.ns.facebook.com and b.… Three of the about twenty domains that use name server group 2 point only to the IP number 74.205.9.114 .
robtex on 239.171.69.in-addr.arpa RBL listing of 239.171.69.in-addr.arpa mnw
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Other "239" domains: info , com , pl , me , net , cz , tv , fr , ac , ca , ru , org , in , us , biz , abovenet.de , globalsolusi.net , udn.pl , altecnet.gr , zbusa.com , i-network.net , tellas.gr , ivq.com , as15758.net , vip9188.com , wateen.net , completerailroad.com , freedesk.com , bitte9.com , data-center-india.com , lelahosting.com , 124.com , forpsi.net , 2fst4u.net , gblx.net , chello.no , inter-media.pl , in-addr.arpa , wixs.nl , acn.gr , ideaactive.com , 95.in-addr.arpa , 27.in-addr.arpa , 126.in-addr.arpa , 186.in-addr.arpa , 119.in-addr.arpa , 61.in-addr.arpa , 98.in-addr.arpa , cmagnani.com.br , ne.smart-dns.net , 207.in-addr.arpa , 41.in-addr.arpa , 141.in-addr.arpa , 194.146.de , 76.in-addr.arpa , 129.in-addr.arpa , 195.in-addr.arpa , 219.in-addr.arpa , 205.in-addr.arpa , 60.in-addr.arpa , 115.in-addr.arpa , 184.in-addr.arpa , 200.in-addr.arpa , 36.in-addr.arpa , 83.in-addr.arpa , 140.in-addr.arpa , 79.in-addr.arpa , 32.in-addr.arpa , 189.in-addr.arpa , 203.in-addr.arpa , 93.in-addr.arpa , 94.in-addr.arpa , 92.in-addr.arpa , 117.in-addr.arpa , 199.in-addr.arpa , 78.in-addr.arpa , 10.wwcscripts.com , 218.in-addr.arpa , 210.knvk.jp , static-chennai-vsnl.net.in , 124.in-addr.arpa , 38.in-addr.arpa , 99.in-addr.arpa , 92.scunc.it , 90.in-addr.arpa , 222.in-addr.arpa , 89.scunc.it , 55.in-addr.arpa , 174.in-addr.arpa , 160.in-addr.arpa , 149.in-addr.arpa , ns3.khazardata.com , 208.in-addr.arpa , 137.in-addr.arpa , 42.in-addr.arpa , 166.in-addr.arpa , 59.in-addr.arpa , 148.in-addr.arpa , 47.pubo.net , 192.in-addr.arpa