[0] 0.81.61.128.in-addr.arpa.: domain name does not exist
[0] 1.81.61.128.in-addr.arpa.: domain name does not exist
[0] 2.81.61.128.in-addr.arpa.: domain name does not exist
[0] 3.81.61.128.in-addr.arpa.: domain name does not exist
[0] 4.81.61.128.in-addr.arpa.: domain name does not exist
[0] 5.81.61.128.in-addr.arpa.: domain name does not exist
[0] 6.81.61.128.in-addr.arpa.: domain name does not exist
[0] 7.81.61.128.in-addr.arpa.: domain name does not exist
[0] 8.81.61.128.in-addr.arpa.: domain name does not exist
[0] 9.81.61.128.in-addr.arpa.: domain name does not exist
[0] 10.81.61.128.in-addr.arpa.: domain name does not exist
[86400] 11.81.61.128.in-addr.arpa. domain name pointer r81h11.res.gatech.edu
[86400] 12.81.61.128.in-addr.arpa. domain name pointer r81h12.res.gatech.edu
[86400] 13.81.61.128.in-addr.arpa. domain name pointer r81h13.res.gatech.edu
[86400] 14.81.61.128.in-addr.arpa. domain name pointer r81h14.res.gatech.edu
[86400] 15.81.61.128.in-addr.arpa. domain name pointer r81h15.res.gatech.edu
[86400] 16.81.61.128.in-addr.arpa. domain name pointer r81h16.res.gatech.edu
[86400] 17.81.61.128.in-addr.arpa. domain name pointer r81h17.res.gatech.edu
[86400] 18.81.61.128.in-addr.arpa. domain name pointer r81h18.res.gatech.edu
[86400] 19.81.61.128.in-addr.arpa. domain name pointer r81h19.res.gatech.edu
[86400] 20.81.61.128.in-addr.arpa. domain name pointer r81h20.res.gatech.edu
[86400] 21.81.61.128.in-addr.arpa. domain name pointer r81h21.res.gatech.edu
[86400] 22.81.61.128.in-addr.arpa. domain name pointer r81h22.res.gatech.edu
[86400] 23.81.61.128.in-addr.arpa. domain name pointer r81h23.res.gatech.edu
[86400] 24.81.61.128.in-addr.arpa. domain name pointer r81h24.res.gatech.edu
[86400] 25.81.61.128.in-addr.arpa. domain name pointer r81h25.res.gatech.edu
[86400] 26.81.61.128.in-addr.arpa. domain name pointer r81h26.res.gatech.edu
[86400] 27.81.61.128.in-addr.arpa. domain name pointer r81h27.res.gatech.edu
[86400] 28.81.61.128.in-addr.arpa. domain name pointer r81h28.res.gatech.edu
[86400] 29.81.61.128.in-addr.arpa. domain name pointer r81h29.res.gatech.edu
[86400] 30.81.61.128.in-addr.arpa. domain name pointer r81h30.res.gatech.edu
[86400] 31.81.61.128.in-addr.arpa. domain name pointer r81h31.res.gatech.edu
[86400] 32.81.61.128.in-addr.arpa. domain name pointer r81h32.res.gatech.edu
[86400] 33.81.61.128.in-addr.arpa. domain name pointer r81h33.res.gatech.edu
[86400] 34.81.61.128.in-addr.arpa. domain name pointer r81h34.res.gatech.edu
[86400] 35.81.61.128.in-addr.arpa. domain name pointer r81h35.res.gatech.edu
[86400] 36.81.61.128.in-addr.arpa. domain name pointer r81h36.res.gatech.edu
[86400] 37.81.61.128.in-addr.arpa. domain name pointer r81h37.res.gatech.edu
[86400] 38.81.61.128.in-addr.arpa. domain name pointer r81h38.res.gatech.edu
[86400] 39.81.61.128.in-addr.arpa. domain name pointer r81h39.res.gatech.edu
[86400] 40.81.61.128.in-addr.arpa. domain name pointer r81h40.res.gatech.edu
[86400] 41.81.61.128.in-addr.arpa. domain name pointer r81h41.res.gatech.edu
[86400] 42.81.61.128.in-addr.arpa. domain name pointer r81h42.res.gatech.edu
[86400] 43.81.61.128.in-addr.arpa. domain name pointer r81h43.res.gatech.edu
[86400] 44.81.61.128.in-addr.arpa. domain name pointer r81h44.res.gatech.edu
[86400] 45.81.61.128.in-addr.arpa. domain name pointer r81h45.res.gatech.edu
[86400] 46.81.61.128.in-addr.arpa. domain name pointer r81h46.res.gatech.edu
[86400] 47.81.61.128.in-addr.arpa. domain name pointer r81h47.res.gatech.edu
[86400] 48.81.61.128.in-addr.arpa. domain name pointer r81h48.res.gatech.edu
[86400] 49.81.61.128.in-addr.arpa. domain name pointer r81h49.res.gatech.edu
[86400] 50.81.61.128.in-addr.arpa. domain name pointer r81h50.res.gatech.edu
[86400] 51.81.61.128.in-addr.arpa. domain name pointer r81h51.res.gatech.edu
[86400] 52.81.61.128.in-addr.arpa. domain name pointer r81h52.res.gatech.edu
[86400] 53.81.61.128.in-addr.arpa. domain name pointer r81h53.res.gatech.edu
[86400] 54.81.61.128.in-addr.arpa. domain name pointer r81h54.res.gatech.edu
[86400] 55.81.61.128.in-addr.arpa. domain name pointer r81h55.res.gatech.edu
[86400] 56.81.61.128.in-addr.arpa. domain name pointer r81h56.res.gatech.edu
[86400] 57.81.61.128.in-addr.arpa. domain name pointer r81h57.res.gatech.edu
[86400] 58.81.61.128.in-addr.arpa. domain name pointer r81h58.res.gatech.edu
[86400] 59.81.61.128.in-addr.arpa. domain name pointer r81h59.res.gatech.edu
[86400] 60.81.61.128.in-addr.arpa. domain name pointer r81h60.res.gatech.edu
[86400] 61.81.61.128.in-addr.arpa. domain name pointer r81h61.res.gatech.edu
[86400] 62.81.61.128.in-addr.arpa. domain name pointer r81h62.res.gatech.edu
[86400] 63.81.61.128.in-addr.arpa. domain name pointer r81h63.res.gatech.edu
[86400] 64.81.61.128.in-addr.arpa. domain name pointer r81h64.res.gatech.edu
[86400] 65.81.61.128.in-addr.arpa. domain name pointer r81h65.res.gatech.edu
[86400] 66.81.61.128.in-addr.arpa. domain name pointer r81h66.res.gatech.edu
[86400] 67.81.61.128.in-addr.arpa. domain name pointer r81h67.res.gatech.edu
[86400] 68.81.61.128.in-addr.arpa. domain name pointer r81h68.res.gatech.edu
[86400] 69.81.61.128.in-addr.arpa. domain name pointer r81h69.res.gatech.edu
[86400] 70.81.61.128.in-addr.arpa. domain name pointer r81h70.res.gatech.edu
[86400] 71.81.61.128.in-addr.arpa. domain name pointer r81h71.res.gatech.edu
[86400] 72.81.61.128.in-addr.arpa. domain name pointer r81h72.res.gatech.edu
[86400] 73.81.61.128.in-addr.arpa. domain name pointer r81h73.res.gatech.edu
[86400] 74.81.61.128.in-addr.arpa. domain name pointer r81h74.res.gatech.edu
[86400] 75.81.61.128.in-addr.arpa. domain name pointer r81h75.res.gatech.edu
[86400] 76.81.61.128.in-addr.arpa. domain name pointer r81h76.res.gatech.edu
[86400] 77.81.61.128.in-addr.arpa. domain name pointer r81h77.res.gatech.edu
[86400] 78.81.61.128.in-addr.arpa. domain name pointer r81h78.res.gatech.edu
[86400] 79.81.61.128.in-addr.arpa. domain name pointer r81h79.res.gatech.edu
[86400] 80.81.61.128.in-addr.arpa. domain name pointer r81h80.res.gatech.edu
[86400] 81.81.61.128.in-addr.arpa. domain name pointer r81h81.res.gatech.edu
[86400] 82.81.61.128.in-addr.arpa. domain name pointer r81h82.res.gatech.edu
[86400] 83.81.61.128.in-addr.arpa. domain name pointer r81h83.res.gatech.edu
[86400] 84.81.61.128.in-addr.arpa. domain name pointer r81h84.res.gatech.edu
[86400] 85.81.61.128.in-addr.arpa. domain name pointer r81h85.res.gatech.edu
[86400] 86.81.61.128.in-addr.arpa. domain name pointer r81h86.res.gatech.edu
[86400] 87.81.61.128.in-addr.arpa. domain name pointer r81h87.res.gatech.edu
[86400] 88.81.61.128.in-addr.arpa. domain name pointer r81h88.res.gatech.edu
[86400] 89.81.61.128.in-addr.arpa. domain name pointer r81h89.res.gatech.edu
[86400] 90.81.61.128.in-addr.arpa. domain name pointer r81h90.res.gatech.edu
[86400] 91.81.61.128.in-addr.arpa. domain name pointer r81h91.res.gatech.edu
[86400] 92.81.61.128.in-addr.arpa. domain name pointer r81h92.res.gatech.edu
[86400] 93.81.61.128.in-addr.arpa. domain name pointer r81h93.res.gatech.edu
[86400] 94.81.61.128.in-addr.arpa. domain name pointer r81h94.res.gatech.edu
[86400] 95.81.61.128.in-addr.arpa. domain name pointer r81h95.res.gatech.edu
[86400] 96.81.61.128.in-addr.arpa. domain name pointer r81h96.res.gatech.edu
[86400] 97.81.61.128.in-addr.arpa. domain name pointer r81h97.res.gatech.edu
[86400] 98.81.61.128.in-addr.arpa. domain name pointer r81h98.res.gatech.edu
[86400] 99.81.61.128.in-addr.arpa. domain name pointer r81h99.res.gatech.edu
[86400] 100.81.61.128.in-addr.arpa. domain name pointer r81h100.res.gatech.edu
[86400] 101.81.61.128.in-addr.arpa. domain name pointer r81h101.res.gatech.edu
[86400] 102.81.61.128.in-addr.arpa. domain name pointer r81h102.res.gatech.edu
[86400] 103.81.61.128.in-addr.arpa. domain name pointer r81h103.res.gatech.edu
[86400] 104.81.61.128.in-addr.arpa. domain name pointer r81h104.res.gatech.edu
[86400] 105.81.61.128.in-addr.arpa. domain name pointer r81h105.res.gatech.edu
[86400] 106.81.61.128.in-addr.arpa. domain name pointer r81h106.res.gatech.edu
[86400] 107.81.61.128.in-addr.arpa. domain name pointer r81h107.res.gatech.edu
[86400] 108.81.61.128.in-addr.arpa. domain name pointer r81h108.res.gatech.edu
[86400] 109.81.61.128.in-addr.arpa. domain name pointer r81h109.res.gatech.edu
[86400] 110.81.61.128.in-addr.arpa. domain name pointer r81h110.res.gatech.edu
[86400] 111.81.61.128.in-addr.arpa. domain name pointer r81h111.res.gatech.edu
[86400] 112.81.61.128.in-addr.arpa. domain name pointer r81h112.res.gatech.edu
[86400] 113.81.61.128.in-addr.arpa. domain name pointer r81h113.res.gatech.edu
[86400] 114.81.61.128.in-addr.arpa. domain name pointer r81h114.res.gatech.edu
[86400] 115.81.61.128.in-addr.arpa. domain name pointer r81h115.res.gatech.edu
[86400] 116.81.61.128.in-addr.arpa. domain name pointer r81h116.res.gatech.edu
[86400] 117.81.61.128.in-addr.arpa. domain name pointer r81h117.res.gatech.edu
[86400] 118.81.61.128.in-addr.arpa. domain name pointer r81h118.res.gatech.edu
[86400] 119.81.61.128.in-addr.arpa. domain name pointer r81h119.res.gatech.edu
[86400] 120.81.61.128.in-addr.arpa. domain name pointer r81h120.res.gatech.edu
[86400] 121.81.61.128.in-addr.arpa. domain name pointer r81h121.res.gatech.edu
[86400] 122.81.61.128.in-addr.arpa. domain name pointer r81h122.res.gatech.edu
[86400] 123.81.61.128.in-addr.arpa. domain name pointer r81h123.res.gatech.edu
[86400] 124.81.61.128.in-addr.arpa. domain name pointer r81h124.res.gatech.edu
[86400] 125.81.61.128.in-addr.arpa. domain name pointer r81h125.res.gatech.edu
[86400] 126.81.61.128.in-addr.arpa. domain name pointer r81h126.res.gatech.edu
[86400] 127.81.61.128.in-addr.arpa. domain name pointer r81h127.res.gatech.edu
[86400] 128.81.61.128.in-addr.arpa. domain name pointer r81h128.res.gatech.edu
[86400] 129.81.61.128.in-addr.arpa. domain name pointer r81h129.res.gatech.edu
[86400] 130.81.61.128.in-addr.arpa. domain name pointer r81h130.res.gatech.edu
[86400] 131.81.61.128.in-addr.arpa. domain name pointer r81h131.res.gatech.edu
[86400] 132.81.61.128.in-addr.arpa. domain name pointer r81h132.res.gatech.edu
[86400] 133.81.61.128.in-addr.arpa. domain name pointer r81h133.res.gatech.edu
[86400] 134.81.61.128.in-addr.arpa. domain name pointer r81h134.res.gatech.edu
[86400] 135.81.61.128.in-addr.arpa. domain name pointer r81h135.res.gatech.edu
[86400] 136.81.61.128.in-addr.arpa. domain name pointer r81h136.res.gatech.edu
[86400] 137.81.61.128.in-addr.arpa. domain name pointer r81h137.res.gatech.edu
[86400] 138.81.61.128.in-addr.arpa. domain name pointer r81h138.res.gatech.edu
[86400] 139.81.61.128.in-addr.arpa. domain name pointer r81h139.res.gatech.edu
[86400] 140.81.61.128.in-addr.arpa. domain name pointer r81h140.res.gatech.edu
[86400] 141.81.61.128.in-addr.arpa. domain name pointer r81h141.res.gatech.edu
[86400] 142.81.61.128.in-addr.arpa. domain name pointer r81h142.res.gatech.edu
[86400] 143.81.61.128.in-addr.arpa. domain name pointer r81h143.res.gatech.edu
[86400] 144.81.61.128.in-addr.arpa. domain name pointer r81h144.res.gatech.edu
[86400] 145.81.61.128.in-addr.arpa. domain name pointer r81h145.res.gatech.edu
[86400] 146.81.61.128.in-addr.arpa. domain name pointer r81h146.res.gatech.edu
[86400] 147.81.61.128.in-addr.arpa. domain name pointer r81h147.res.gatech.edu
[86400] 148.81.61.128.in-addr.arpa. domain name pointer r81h148.res.gatech.edu
[86400] 149.81.61.128.in-addr.arpa. domain name pointer r81h149.res.gatech.edu
[86400] 150.81.61.128.in-addr.arpa. domain name pointer r81h150.res.gatech.edu
[86400] 151.81.61.128.in-addr.arpa. domain name pointer r81h151.res.gatech.edu
[86400] 152.81.61.128.in-addr.arpa. domain name pointer r81h152.res.gatech.edu
[86400] 153.81.61.128.in-addr.arpa. domain name pointer r81h153.res.gatech.edu
[86400] 154.81.61.128.in-addr.arpa. domain name pointer r81h154.res.gatech.edu
[86400] 155.81.61.128.in-addr.arpa. domain name pointer r81h155.res.gatech.edu
[86400] 156.81.61.128.in-addr.arpa. domain name pointer r81h156.res.gatech.edu
[86400] 157.81.61.128.in-addr.arpa. domain name pointer r81h157.res.gatech.edu
[86400] 158.81.61.128.in-addr.arpa. domain name pointer r81h158.res.gatech.edu
[86400] 159.81.61.128.in-addr.arpa. domain name pointer r81h159.res.gatech.edu
[86400] 160.81.61.128.in-addr.arpa. domain name pointer r81h160.res.gatech.edu
[86400] 161.81.61.128.in-addr.arpa. domain name pointer r81h161.res.gatech.edu
[86400] 162.81.61.128.in-addr.arpa. domain name pointer r81h162.res.gatech.edu
[86400] 163.81.61.128.in-addr.arpa. domain name pointer r81h163.res.gatech.edu
[86400] 164.81.61.128.in-addr.arpa. domain name pointer r81h164.res.gatech.edu
[86400] 165.81.61.128.in-addr.arpa. domain name pointer r81h165.res.gatech.edu
[86400] 166.81.61.128.in-addr.arpa. domain name pointer r81h166.res.gatech.edu
[86400] 167.81.61.128.in-addr.arpa. domain name pointer r81h167.res.gatech.edu
[86400] 168.81.61.128.in-addr.arpa. domain name pointer r81h168.res.gatech.edu
[86400] 169.81.61.128.in-addr.arpa. domain name pointer r81h169.res.gatech.edu
[86400] 170.81.61.128.in-addr.arpa. domain name pointer r81h170.res.gatech.edu
[86400] 171.81.61.128.in-addr.arpa. domain name pointer r81h171.res.gatech.edu
[86400] 172.81.61.128.in-addr.arpa. domain name pointer r81h172.res.gatech.edu
[86400] 173.81.61.128.in-addr.arpa. domain name pointer r81h173.res.gatech.edu
[86400] 174.81.61.128.in-addr.arpa. domain name pointer r81h174.res.gatech.edu
[86400] 175.81.61.128.in-addr.arpa. domain name pointer r81h175.res.gatech.edu
[86400] 176.81.61.128.in-addr.arpa. domain name pointer r81h176.res.gatech.edu
[86400] 177.81.61.128.in-addr.arpa. domain name pointer r81h177.res.gatech.edu
[86400] 178.81.61.128.in-addr.arpa. domain name pointer r81h178.res.gatech.edu
[86400] 179.81.61.128.in-addr.arpa. domain name pointer r81h179.res.gatech.edu
[86400] 180.81.61.128.in-addr.arpa. domain name pointer r81h180.res.gatech.edu
[86400] 181.81.61.128.in-addr.arpa. domain name pointer r81h181.res.gatech.edu
[86400] 182.81.61.128.in-addr.arpa. domain name pointer r81h182.res.gatech.edu
[86400] 183.81.61.128.in-addr.arpa. domain name pointer r81h183.res.gatech.edu
[86400] 184.81.61.128.in-addr.arpa. domain name pointer r81h184.res.gatech.edu
[86400] 185.81.61.128.in-addr.arpa. domain name pointer r81h185.res.gatech.edu
[86400] 186.81.61.128.in-addr.arpa. domain name pointer r81h186.res.gatech.edu
[86400] 187.81.61.128.in-addr.arpa. domain name pointer r81h187.res.gatech.edu
[86400] 188.81.61.128.in-addr.arpa. domain name pointer r81h188.res.gatech.edu
[86400] 189.81.61.128.in-addr.arpa. domain name pointer r81h189.res.gatech.edu
[86400] 190.81.61.128.in-addr.arpa. domain name pointer r81h190.res.gatech.edu
[86400] 191.81.61.128.in-addr.arpa. domain name pointer r81h191.res.gatech.edu
[86400] 192.81.61.128.in-addr.arpa. domain name pointer r81h192.res.gatech.edu
[86400] 193.81.61.128.in-addr.arpa. domain name pointer r81h193.res.gatech.edu
[86400] 194.81.61.128.in-addr.arpa. domain name pointer r81h194.res.gatech.edu
[86400] 195.81.61.128.in-addr.arpa. domain name pointer r81h195.res.gatech.edu
[86400] 196.81.61.128.in-addr.arpa. domain name pointer r81h196.res.gatech.edu
[86400] 197.81.61.128.in-addr.arpa. domain name pointer r81h197.res.gatech.edu
[86400] 198.81.61.128.in-addr.arpa. domain name pointer r81h198.res.gatech.edu
[86400] 199.81.61.128.in-addr.arpa. domain name pointer r81h199.res.gatech.edu
[86400] 200.81.61.128.in-addr.arpa. domain name pointer r81h200.res.gatech.edu
[86400] 201.81.61.128.in-addr.arpa. domain name pointer r81h201.res.gatech.edu
[86400] 202.81.61.128.in-addr.arpa. domain name pointer r81h202.res.gatech.edu
[86400] 203.81.61.128.in-addr.arpa. domain name pointer r81h203.res.gatech.edu
[86400] 204.81.61.128.in-addr.arpa. domain name pointer r81h204.res.gatech.edu
[86400] 205.81.61.128.in-addr.arpa. domain name pointer r81h205.res.gatech.edu
[86400] 206.81.61.128.in-addr.arpa. domain name pointer r81h206.res.gatech.edu
[86400] 207.81.61.128.in-addr.arpa. domain name pointer r81h207.res.gatech.edu
[86400] 208.81.61.128.in-addr.arpa. domain name pointer r81h208.res.gatech.edu
[86400] 209.81.61.128.in-addr.arpa. domain name pointer r81h209.res.gatech.edu
[86400] 210.81.61.128.in-addr.arpa. domain name pointer r81h210.res.gatech.edu
[86400] 211.81.61.128.in-addr.arpa. domain name pointer r81h211.res.gatech.edu
[86400] 212.81.61.128.in-addr.arpa. domain name pointer r81h212.res.gatech.edu
[86400] 213.81.61.128.in-addr.arpa. domain name pointer r81h213.res.gatech.edu
[86400] 214.81.61.128.in-addr.arpa. domain name pointer r81h214.res.gatech.edu
[86400] 215.81.61.128.in-addr.arpa. domain name pointer r81h215.res.gatech.edu
[86400] 216.81.61.128.in-addr.arpa. domain name pointer r81h216.res.gatech.edu
[86400] 217.81.61.128.in-addr.arpa. domain name pointer r81h217.res.gatech.edu
[86400] 218.81.61.128.in-addr.arpa. domain name pointer r81h218.res.gatech.edu
[86400] 219.81.61.128.in-addr.arpa. domain name pointer r81h219.res.gatech.edu
[86400] 220.81.61.128.in-addr.arpa. domain name pointer r81h220.res.gatech.edu
[86400] 221.81.61.128.in-addr.arpa. domain name pointer r81h221.res.gatech.edu
[86400] 222.81.61.128.in-addr.arpa. domain name pointer r81h222.res.gatech.edu
[86400] 223.81.61.128.in-addr.arpa. domain name pointer r81h223.res.gatech.edu
[86400] 224.81.61.128.in-addr.arpa. domain name pointer r81h224.res.gatech.edu
[86400] 225.81.61.128.in-addr.arpa. domain name pointer r81h225.res.gatech.edu
[86400] 226.81.61.128.in-addr.arpa. domain name pointer r81h226.res.gatech.edu
[86400] 227.81.61.128.in-addr.arpa. domain name pointer r81h227.res.gatech.edu
[86400] 228.81.61.128.in-addr.arpa. domain name pointer r81h228.res.gatech.edu
[86400] 229.81.61.128.in-addr.arpa. domain name pointer r81h229.res.gatech.edu
[86400] 230.81.61.128.in-addr.arpa. domain name pointer r81h230.res.gatech.edu
[86400] 231.81.61.128.in-addr.arpa. domain name pointer r81h231.res.gatech.edu
[86400] 232.81.61.128.in-addr.arpa. domain name pointer r81h232.res.gatech.edu
[86400] 233.81.61.128.in-addr.arpa. domain name pointer r81h233.res.gatech.edu
[86400] 234.81.61.128.in-addr.arpa. domain name pointer r81h234.res.gatech.edu
[86400] 235.81.61.128.in-addr.arpa. domain name pointer r81h235.res.gatech.edu
[86400] 236.81.61.128.in-addr.arpa. domain name pointer r81h236.res.gatech.edu
[86400] 237.81.61.128.in-addr.arpa. domain name pointer r81h237.res.gatech.edu
[86400] 238.81.61.128.in-addr.arpa. domain name pointer r81h238.res.gatech.edu
[86400] 239.81.61.128.in-addr.arpa. domain name pointer r81h239.res.gatech.edu
[86400] 240.81.61.128.in-addr.arpa. domain name pointer r81h240.res.gatech.edu
[86400] 241.81.61.128.in-addr.arpa. domain name pointer r81h241.res.gatech.edu
[86400] 242.81.61.128.in-addr.arpa. domain name pointer r81h242.res.gatech.edu
[86400] 243.81.61.128.in-addr.arpa. domain name pointer r81h243.res.gatech.edu
[86400] 244.81.61.128.in-addr.arpa. domain name pointer r81h244.res.gatech.edu
[86400] 245.81.61.128.in-addr.arpa. domain name pointer r81h245.res.gatech.edu
[86400] 246.81.61.128.in-addr.arpa. domain name pointer r81h246.res.gatech.edu
[86400] 247.81.61.128.in-addr.arpa. domain name pointer r81h247.res.gatech.edu
[86400] 248.81.61.128.in-addr.arpa. domain name pointer r81h248.res.gatech.edu
[86400] 249.81.61.128.in-addr.arpa. domain name pointer r81h249.res.gatech.edu
[86400] 250.81.61.128.in-addr.arpa. domain name pointer r81h250.res.gatech.edu
[0] 251.81.61.128.in-addr.arpa.: domain name does not exist
[0] 252.81.61.128.in-addr.arpa.: domain name does not exist
[0] 253.81.61.128.in-addr.arpa.: domain name does not exist
[0] 254.81.61.128.in-addr.arpa.: domain name does not exist
[0] 255.81.61.128.in-addr.arpa.: domain name does not exist