[259200] 0.207.138.128.in-addr.arpa. domain name pointer dirk-net.cs.colorado.edu
[259200] 1.207.138.128.in-addr.arpa. domain name pointer purple-dirk.cs.colorado.edu
[259200] 2.207.138.128.in-addr.arpa. domain name pointer esl.cs.colorado.edu
[259200] 3.207.138.128.in-addr.arpa. domain name pointer home.cs.colorado.edu
[259200] 4.207.138.128.in-addr.arpa. domain name pointer systems.cs.colorado.edu
[259200] 5.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-5.cs.colorado.edu
[259200] 6.207.138.128.in-addr.arpa. domain name pointer sdr.cs.colorado.edu
[259200] 7.207.138.128.in-addr.arpa. domain name pointer sdr-power.cs.colorado.edu
[259200] 8.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-8.cs.colorado.edu
[259200] 9.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-9.cs.colorado.edu
[259200] 10.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-10.cs.colorado.edu
[259200] 11.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-11.cs.colorado.edu
[259200] 12.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-12.cs.colorado.edu
[259200] 13.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-13.cs.colorado.edu
[259200] 14.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-14.cs.colorado.edu
[259200] 15.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-15.cs.colorado.edu
[259200] 16.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-16.cs.colorado.edu
[259200] 17.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-17.cs.colorado.edu
[259200] 18.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-18.cs.colorado.edu
[259200] 19.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-19.cs.colorado.edu
[259200] 20.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-20.cs.colorado.edu
[259200] 21.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-21.cs.colorado.edu
[259200] 22.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-22.cs.colorado.edu
[259200] 23.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-23.cs.colorado.edu
[259200] 24.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-24.cs.colorado.edu
[259200] 25.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-25.cs.colorado.edu
[259200] 26.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-26.cs.colorado.edu
[259200] 27.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-27.cs.colorado.edu
[259200] 28.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-28.cs.colorado.edu
[259200] 29.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-29.cs.colorado.edu
[259200] 30.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-30.cs.colorado.edu
[259200] 31.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-31.cs.colorado.edu
[259200] 32.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-32.cs.colorado.edu
[259200] 33.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-33.cs.colorado.edu
[259200] 34.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-34.cs.colorado.edu
[259200] 35.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-35.cs.colorado.edu
[259200] 36.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-36.cs.colorado.edu
[259200] 37.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-37.cs.colorado.edu
[259200] 38.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-38.cs.colorado.edu
[259200] 39.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-39.cs.colorado.edu
[259200] 40.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-40.cs.colorado.edu
[259200] 41.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-41.cs.colorado.edu
[259200] 42.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-42.cs.colorado.edu
[259200] 43.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-43.cs.colorado.edu
[259200] 44.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-44.cs.colorado.edu
[259200] 45.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-45.cs.colorado.edu
[259200] 46.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-46.cs.colorado.edu
[259200] 47.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-47.cs.colorado.edu
[259200] 48.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-48.cs.colorado.edu
[259200] 49.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-49.cs.colorado.edu
[259200] 50.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-50.cs.colorado.edu
[259200] 51.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-51.cs.colorado.edu
[259200] 52.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-52.cs.colorado.edu
[259200] 53.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-53.cs.colorado.edu
[259200] 54.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-54.cs.colorado.edu
[259200] 55.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-55.cs.colorado.edu
[259200] 56.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-56.cs.colorado.edu
[259200] 57.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-57.cs.colorado.edu
[259200] 58.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-58.cs.colorado.edu
[259200] 59.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-59.cs.colorado.edu
[259200] 60.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-60.cs.colorado.edu
[259200] 61.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-61.cs.colorado.edu
[259200] 62.207.138.128.in-addr.arpa. domain name pointer cu-cs-dirk-62.cs.colorado.edu
[0] 63.207.138.128.in-addr.arpa.: domain name does not exist
[0] 64.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 65.207.138.128.in-addr.arpa. domain name pointer sthelens.cs.colorado.edu
[259200] 66.207.138.128.in-addr.arpa. domain name pointer void.cs.colorado.edu
[259200] 67.207.138.128.in-addr.arpa. domain name pointer machine.cs.colorado.edu
[259200] 68.207.138.128.in-addr.arpa. domain name pointer wasserkuppe.cs.colorado.edu
[259200] 69.207.138.128.in-addr.arpa. domain name pointer seoul.cs.colorado.edu
[259200] 70.207.138.128.in-addr.arpa. domain name pointer axon.cs.colorado.edu
[259200] 71.207.138.128.in-addr.arpa. domain name pointer bit.cs.colorado.edu
[259200] 72.207.138.128.in-addr.arpa. domain name pointer weimar.cs.colorado.edu
[259200] 73.207.138.128.in-addr.arpa. domain name pointer lolle.cs.colorado.edu
[259200] 74.207.138.128.in-addr.arpa. domain name pointer fulda.cs.colorado.edu
[259200] 75.207.138.128.in-addr.arpa. domain name pointer jmac.cs.colorado.edu
[259200] 76.207.138.128.in-addr.arpa. domain name pointer frankfurt.cs.colorado.edu
[259200] 77.207.138.128.in-addr.arpa. domain name pointer lahore.cs.colorado.edu
[259200] 78.207.138.128.in-addr.arpa. domain name pointer prague.cs.colorado.edu
[259200] 79.207.138.128.in-addr.arpa. domain name pointer comanche.cs.colorado.edu
[259200] 80.207.138.128.in-addr.arpa. domain name pointer biel.cs.colorado.edu
[259200] 81.207.138.128.in-addr.arpa. domain name pointer kumkangsan.cs.colorado.edu
[259200] 82.207.138.128.in-addr.arpa. domain name pointer gally.cs.colorado.edu
[259200] 83.207.138.128.in-addr.arpa. domain name pointer hyatt.cs.colorado.edu
[259200] 84.207.138.128.in-addr.arpa. domain name pointer basel.cs.colorado.edu
[259200] 85.207.138.128.in-addr.arpa. domain name pointer kassel.cs.colorado.edu
[259200] 86.207.138.128.in-addr.arpa. domain name pointer kiel.cs.colorado.edu
[259200] 87.207.138.128.in-addr.arpa. domain name pointer segfault.cs.colorado.edu
[259200] 88.207.138.128.in-addr.arpa. domain name pointer noname.cs.colorado.edu
[259200] 89.207.138.128.in-addr.arpa. domain name pointer securityhole.cs.colorado.edu
[259200] 90.207.138.128.in-addr.arpa. domain name pointer matterhorn.cs.colorado.edu
[259200] 91.207.138.128.in-addr.arpa. domain name pointer telluride.cs.colorado.edu
[259200] 92.207.138.128.in-addr.arpa. domain name pointer eldora.cs.colorado.edu
[259200] 93.207.138.128.in-addr.arpa. domain name pointer abasin.cs.colorado.edu
[259200] 94.207.138.128.in-addr.arpa. domain name pointer winterpark.cs.colorado.edu
[0] 95.207.138.128.in-addr.arpa.: domain name does not exist
[0] 96.207.138.128.in-addr.arpa.: domain name does not exist
[0] 97.207.138.128.in-addr.arpa.: domain name does not exist
[0] 98.207.138.128.in-addr.arpa.: domain name does not exist
[0] 99.207.138.128.in-addr.arpa.: domain name does not exist
[0] 100.207.138.128.in-addr.arpa.: domain name does not exist
[0] 101.207.138.128.in-addr.arpa.: domain name does not exist
[0] 102.207.138.128.in-addr.arpa.: domain name does not exist
[0] 103.207.138.128.in-addr.arpa.: domain name does not exist
[0] 104.207.138.128.in-addr.arpa.: domain name does not exist
[0] 105.207.138.128.in-addr.arpa.: domain name does not exist
[0] 106.207.138.128.in-addr.arpa.: domain name does not exist
[0] 107.207.138.128.in-addr.arpa.: domain name does not exist
[0] 108.207.138.128.in-addr.arpa.: domain name does not exist
[0] 109.207.138.128.in-addr.arpa.: domain name does not exist
[0] 110.207.138.128.in-addr.arpa.: domain name does not exist
[0] 111.207.138.128.in-addr.arpa.: domain name does not exist
[0] 112.207.138.128.in-addr.arpa.: domain name does not exist
[0] 113.207.138.128.in-addr.arpa.: domain name does not exist
[0] 114.207.138.128.in-addr.arpa.: domain name does not exist
[0] 115.207.138.128.in-addr.arpa.: domain name does not exist
[0] 116.207.138.128.in-addr.arpa.: domain name does not exist
[0] 117.207.138.128.in-addr.arpa.: domain name does not exist
[0] 118.207.138.128.in-addr.arpa.: domain name does not exist
[0] 119.207.138.128.in-addr.arpa.: domain name does not exist
[0] 120.207.138.128.in-addr.arpa.: domain name does not exist
[0] 121.207.138.128.in-addr.arpa.: domain name does not exist
[0] 122.207.138.128.in-addr.arpa.: domain name does not exist
[0] 123.207.138.128.in-addr.arpa.: domain name does not exist
[0] 124.207.138.128.in-addr.arpa.: domain name does not exist
[0] 125.207.138.128.in-addr.arpa.: domain name does not exist
[0] 126.207.138.128.in-addr.arpa.: domain name does not exist
[0] 127.207.138.128.in-addr.arpa.: domain name does not exist
[0] 128.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 129.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 130.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 131.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 132.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 133.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 134.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 135.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 136.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 137.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 138.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 139.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 140.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 141.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 142.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 143.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 144.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 145.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 146.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 147.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 148.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 149.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 150.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 151.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 152.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 153.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 154.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 155.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 156.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 157.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 158.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 159.207.138.128.in-addr.arpa.: valid domain but no data of requested type
[0] 160.207.138.128.in-addr.arpa.: domain name does not exist
[0] 161.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 162.207.138.128.in-addr.arpa. domain name pointer serl-back.cs.colorado.edu
[259200] 163.207.138.128.in-addr.arpa. domain name pointer serl.cs.colorado.edu
[259200] 164.207.138.128.in-addr.arpa. domain name pointer dolomite.cs.colorado.edu
[259200] 165.207.138.128.in-addr.arpa. domain name pointer maltese.cs.colorado.edu
[259200] 166.207.138.128.in-addr.arpa. domain name pointer thinman.cs.colorado.edu
[259200] 167.207.138.128.in-addr.arpa. domain name pointer turtle.cs.colorado.edu
[259200] 168.207.138.128.in-addr.arpa. domain name pointer skagen.cs.colorado.edu
[259200] 169.207.138.128.in-addr.arpa. domain name pointer finestre.cs.colorado.edu
[259200] 170.207.138.128.in-addr.arpa. domain name pointer tigre.cs.colorado.edu
[259200] 171.207.138.128.in-addr.arpa. domain name pointer skylark.cs.colorado.edu
[259200] 172.207.138.128.in-addr.arpa. domain name pointer shield.cs.colorado.edu
[259200] 173.207.138.128.in-addr.arpa. domain name pointer canto.cs.colorado.edu
[259200] 174.207.138.128.in-addr.arpa. domain name pointer leone.cs.colorado.edu
[259200] 175.207.138.128.in-addr.arpa. domain name pointer lupo.cs.colorado.edu
[0] 176.207.138.128.in-addr.arpa.: domain name does not exist
[0] 177.207.138.128.in-addr.arpa.: domain name does not exist
[0] 178.207.138.128.in-addr.arpa.: domain name does not exist
[0] 179.207.138.128.in-addr.arpa.: domain name does not exist
[0] 180.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 181.207.138.128.in-addr.arpa. domain name pointer planetlab1.cs.colorado.edu
[259200] 182.207.138.128.in-addr.arpa. domain name pointer planetlab2.cs.colorado.edu
[0] 183.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 184.207.138.128.in-addr.arpa. domain name pointer serl-net-dhcp7.cs.colorado.edu
[259200] 185.207.138.128.in-addr.arpa. domain name pointer serl-net-dhcp6.cs.colorado.edu
[259200] 186.207.138.128.in-addr.arpa. domain name pointer serl-net-dhcp5.cs.colorado.edu
[259200] 187.207.138.128.in-addr.arpa. domain name pointer serl-net-dhcp4.cs.colorado.edu
[259200] 188.207.138.128.in-addr.arpa. domain name pointer serl-net-dhcp3.cs.colorado.edu
[259200] 189.207.138.128.in-addr.arpa. domain name pointer serl-net-dhcp2.cs.colorado.edu
[259200] 190.207.138.128.in-addr.arpa. domain name pointer serl-net-dhcp1.cs.colorado.edu
[0] 191.207.138.128.in-addr.arpa.: domain name does not exist
[0] 192.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 193.207.138.128.in-addr.arpa. domain name pointer hemisphere-its-gw.cs.colorado.edu
[259200] 194.207.138.128.in-addr.arpa. domain name pointer hemi-rescore-gw.cs.colorado.edu
[259200] 195.207.138.128.in-addr.arpa. domain name pointer hemi-its-gw-sup1.cs.colorado.edu
[259200] 196.207.138.128.in-addr.arpa. domain name pointer hemi-its-gw-sup2.cs.colorado.edu
[259200] 197.207.138.128.in-addr.arpa. domain name pointer hemi-na-core-ee2b80.cs.colorado.edu
[259200] 198.207.138.128.in-addr.arpa. domain name pointer hemi-its-test.cs.colorado.edu
[0] 199.207.138.128.in-addr.arpa.: domain name does not exist
[0] 200.207.138.128.in-addr.arpa.: domain name does not exist
[0] 201.207.138.128.in-addr.arpa.: domain name does not exist
[0] 202.207.138.128.in-addr.arpa.: domain name does not exist
[0] 203.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 204.207.138.128.in-addr.arpa. domain name pointer purplewood.cs.colorado.edu
[0] 205.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 206.207.138.128.in-addr.arpa. domain name pointer trogdor.cs.colorado.edu
[259200] 207.207.138.128.in-addr.arpa. domain name pointer dmv.cs.colorado.edu
[0] 208.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 209.207.138.128.in-addr.arpa. domain name pointer hemisphere-gw.cs.colorado.edu
[259200] 210.207.138.128.in-addr.arpa. domain name pointer hemisphere.cs.colorado.edu
[0] 211.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 212.207.138.128.in-addr.arpa. domain name pointer occam.cs.colorado.edu
[259200] 213.207.138.128.in-addr.arpa. domain name pointer transputer.cs.colorado.edu
[259200] 214.207.138.128.in-addr.arpa. domain name pointer toaster.cs.colorado.edu
[259200] 215.207.138.128.in-addr.arpa. domain name pointer loaner.cs.colorado.edu
[259200] 216.207.138.128.in-addr.arpa. domain name pointer store01.cs.colorado.edu
[259200] 217.207.138.128.in-addr.arpa. domain name pointer store02.cs.colorado.edu
[259200] 218.207.138.128.in-addr.arpa. domain name pointer store03.cs.colorado.edu
[259200] 219.207.138.128.in-addr.arpa. domain name pointer storage4.cs.colorado.edu
[259200] 220.207.138.128.in-addr.arpa. domain name pointer cubeputer.cs.colorado.edu
[259200] 221.207.138.128.in-addr.arpa. domain name pointer compusphere.cs.colorado.edu
[0] 222.207.138.128.in-addr.arpa.: domain name does not exist
[0] 223.207.138.128.in-addr.arpa.: domain name does not exist
[0] 224.207.138.128.in-addr.arpa.: domain name does not exist
[0] 225.207.138.128.in-addr.arpa.: domain name does not exist
[0] 226.207.138.128.in-addr.arpa.: domain name does not exist
[0] 227.207.138.128.in-addr.arpa.: domain name does not exist
[0] 228.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 229.207.138.128.in-addr.arpa. domain name pointer serl-temp.cs.colorado.edu
[259200] 230.207.138.128.in-addr.arpa. domain name pointer rhan-gw.cs.colorado.edu
[259200] 231.207.138.128.in-addr.arpa. domain name pointer l3d-ext.cs.colorado.edu
[259200] 232.207.138.128.in-addr.arpa. domain name pointer diwan-gw.cs.colorado.edu
[259200] 233.207.138.128.in-addr.arpa. domain name pointer csc-nat.cs.colorado.edu
[259200] 234.207.138.128.in-addr.arpa. domain name pointer rescore-services.cs.colorado.edu
[259200] 235.207.138.128.in-addr.arpa. domain name pointer rescore-fw.cs.colorado.edu
[0] 236.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 237.207.138.128.in-addr.arpa. domain name pointer geonnode.cs.colorado.edu
[0] 238.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 239.207.138.128.in-addr.arpa. domain name pointer everglades.cs.colorado.edu
[259200] 240.207.138.128.in-addr.arpa. domain name pointer navi.cs.colorado.edu
[259200] 241.207.138.128.in-addr.arpa. domain name pointer courtesan.cs.colorado.edu
[259200] 242.207.138.128.in-addr.arpa. domain name pointer openbsd.cs.colorado.edu
[259200] 243.207.138.128.in-addr.arpa. domain name pointer anonopenbsd.cs.colorado.edu
[0] 244.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 245.207.138.128.in-addr.arpa. domain name pointer eypi6.cs.colorado.edu
[259200] 246.207.138.128.in-addr.arpa. domain name pointer bender02.cs.colorado.edu
[259200] 247.207.138.128.in-addr.arpa. domain name pointer cs-gw-diaspora.cs.colorado.edu
[259200] 248.207.138.128.in-addr.arpa. domain name pointer nico.cs.colorado.edu
[0] 249.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 250.207.138.128.in-addr.arpa. domain name pointer jkb-gw.cs.colorado.edu
[0] 251.207.138.128.in-addr.arpa.: domain name does not exist
[259200] 252.207.138.128.in-addr.arpa. domain name pointer earwicker.cs.colorado.edu
[259200] 253.207.138.128.in-addr.arpa. domain name pointer uoc5.cs.colorado.edu
[259200] 254.207.138.128.in-addr.arpa. domain name pointer rescore-gw.cs.colorado.edu
[0] 255.207.138.128.in-addr.arpa.: domain name does not exist