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DNS delegation of edu updated: September 7, 2010 00:46
Delegation
| step | query | auth | servers |
| 1 | edu. | . | (k,j,d,c,i,m,l,a,b,e,h,f,g).root-servers.net. | | 2 | edu. | edu. | (g,l,c,f,a,d).edu-servers.net. |
We pick k.root-servers.net, one of the 13 root servers (1), and ask it about edu and learn that edu is delegated to six name servers (2), so we ask g.edu-servers.net and get the following answer:
Authoritative answer
| ANSWER for edu. |
|---|
| edu. | 900 | SOA | a.edu-servers.net. nstld.verisign-grs.com. ( 1283820370 1800 900 604800 86400 ) | | | 900 | RRSIG | SOA 7 1 900 20100914004610 ( 20100907003610 4099 edu. iWhUVixPvpDc1n0g6X2k1FL4uMUIhykOz4ci5rqPo1o87 4XgA0dZPc4UTy+6cJomFPtzu2FROAj6GKSgBGiUU5KCq+ zaXhPBx4X6tY2OE1vdwrX9xYeIXQRWuOYsX3vxPdpfpgE aNRD4KeU+QNZX0pqxPKaEtWVr/+GOPXOnMZY= ) | | | 172800 | NS | a.edu-servers.net. | | | 172800 | NS | f.edu-servers.net. | | | 172800 | NS | c.edu-servers.net. | | | 172800 | NS | d.edu-servers.net. | | | 172800 | NS | l.edu-servers.net. | | | 172800 | NS | g.edu-servers.net. | | | 172800 | RRSIG | NS 7 1 172800 20100911080009 ( 20100904075009 4099 edu. jdlrtyzgH9aw6aZg2rj+W+zFzP4St0xUyLQk7wIRPiZvh 1OWjawgRZS+ncE8SyQxwqJ6UWlYeLcUsdjgZEOM0fjvx+ JyDoQfXdgZQEYYpB+fexS5662UF81ZBYncLA34oh5EcvD OyDSqpX1onK722LlIXHkx/SmhYtNCwp7aZCc= ) | | | 86400 | DNSKEY | 257 3 7 ( AQPD5mA/yLSw7i7sMzH20dA0mJSGa830YL8W UarM5NI6faUw1fvmg5I4/LrL2vM7IZWHOvgH I7ygsmToCjQk9GvKvTw9FY1rMo09UMyVJEVp rgCKWyIvSfL84EnIDP3jaReoOXwgCErXnP3W WkDbmZXVLGX0HUJ7yVtlA1xTGoZ9u5vd/A1F XS8f4yxfAaELeG9JvcU+BQKHQvO6N0HPLxvE pFaq9o6qOntfgzeaKp3I+o+cY8SyhNv1Sisi njqMBewpP+KRvn9NMTe2Gv23N/4t3lOKazZV oRPCcB42ginowpNcYcvQLNt0/MWSY6bDxEmM CnihPxitnIxVrzv3QHyl ) ; Key ID = 5330 | | | 86400 | DNSKEY | 256 3 7 ( AQO3Gm19nIUSMeBzvSZl4xEviYrHJDg524Sb MWwhbTnp3r2aaIcvPjE71DyT4foLcZY7Bab2 fOtmP1+1p8Mgst0JeCaIBXmdM2JOdDIZNnUO t53Ef250WM4/qX+VV0g6HUWwjG2JgrzZEqom x+5oZQJcnHemxVJu/gJhni8nC5U9nw== ) ; Key ID = 4099 | | | 86400 | RRSIG | DNSKEY 7 1 86400 20100909192805 ( 20100902192305 5330 edu. PhbceRUC4SsdJY+5t4L8dXu2pi7iE85MoQFZePRAW8tP5 tpSQ+NMwhW3Jwlf2V7eV1GCjFbigWloYwewQzxflzeaCW KqcWW8p8rOrJfniZmq9cpmFkLmVPTm8/RK71GusaguA/f T/s0SDxyh75CI54KQPA2FL+X4upytf8V7YVrynZhN/wuY FA1xNSWlIuOIHO5FIoSu2vdBZKkWOmynJEFVvZXMqhA2H RrFF4N2lDNGLLSl2gfUc054/lHEtauVCc35OZPbWiFTrf E8I3PKfQweRj+yYyemrAp6ONQXKxxh92wzgJAcm2Vbzd0 /T5SAJVeATy83nLLT6NKUFtFw9w== ) | | | 86400 | NSEC3PARAM | 1 0 0 - | | ADDITIONAL for edu. |
|---|
| a.edu-servers.net. | 172800 | A | 192.5.6.36 | | f.edu-servers.net. | 172800 | A | 192.35.51.36 | | c.edu-servers.net. | 172800 | A | 192.26.92.36 | | d.edu-servers.net. | 172800 | A | 192.31.80.36 | | l.edu-servers.net. | 172800 | A | 192.41.162.36 | | g.edu-servers.net. | 172800 | A | 192.42.93.36 |
net. edu. edu-servers.net. root-servers.net. l.edu-servers.net. d.edu-servers.net. g.edu-servers.net. f.edu-servers.net. a.edu-servers.net. c.edu-servers.net. 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.
deep analysis of: edu RBL listing of edu
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