[0] 0.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 1.67.138.128.in-addr.arpa. domain name pointer spscbuspub67-0-gw.colorado.edu
[0] 2.67.138.128.in-addr.arpa.: domain name does not exist
[0] 3.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 4.67.138.128.in-addr.arpa. domain name pointer leedsfaculty.colorado.edu
[0] 5.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 6.67.138.128.in-addr.arpa. domain name pointer semantics-test.colorado.edu
[3600] 7.67.138.128.in-addr.arpa. domain name pointer atn.colorado.edu
[3600] 8.67.138.128.in-addr.arpa. domain name pointer behavior.colorado.edu
[0] 9.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 10.67.138.128.in-addr.arpa. domain name pointer inndev.colorado.edu
[3600] 11.67.138.128.in-addr.arpa. domain name pointer innitiate.colorado.edu
[3600] 12.67.138.128.in-addr.arpa. domain name pointer leedsim.colorado.edu
[3600] 13.67.138.128.in-addr.arpa. domain name pointer inntest.colorado.edu
[3600] 14.67.138.128.in-addr.arpa. domain name pointer leeds-courses.colorado.edu
[3600] 15.67.138.128.in-addr.arpa. domain name pointer leeds-faculty.colorado.edu
[3600] 16.67.138.128.in-addr.arpa. domain name pointer busdemeter.ad.colorado.edu
[3600] 17.67.138.128.in-addr.arpa. domain name pointer busenyo.colorado.edu
[0] 18.67.138.128.in-addr.arpa.: domain name does not exist
[0] 19.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 20.67.138.128.in-addr.arpa. domain name pointer leedsintranet.colorado.edu
[3600] 21.67.138.128.in-addr.arpa. domain name pointer busathena.colorado.edu
[3600] 22.67.138.128.in-addr.arpa. domain name pointer teamroom.colorado.edu
[3600] 23.67.138.128.in-addr.arpa. domain name pointer lsbmedia.colorado.edu
[3600] 24.67.138.128.in-addr.arpa. domain name pointer lsbmediastream.colorado.edu
[3600] 25.67.138.128.in-addr.arpa. domain name pointer bustyche2.colorado.edu
[3600] 26.67.138.128.in-addr.arpa. domain name pointer leedsroomreq.colorado.edu
[3600] 27.67.138.128.in-addr.arpa. domain name pointer aucres.colorado.edu
[3600] 28.67.138.128.in-addr.arpa. domain name pointer carelab.colorado.edu
[0] 29.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 30.67.138.128.in-addr.arpa. domain name pointer nlpdev.colorado.edu
[0] 31.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 32.67.138.128.in-addr.arpa. domain name pointer solver.colorado.edu
[3600] 33.67.138.128.in-addr.arpa. domain name pointer design.colorado.edu
[3600] 34.67.138.128.in-addr.arpa. domain name pointer leeds-teaching.colorado.edu
[0] 35.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 36.67.138.128.in-addr.arpa. domain name pointer leedsadvising.colorado.edu
[3600] 37.67.138.128.in-addr.arpa. domain name pointer busskittles.colorado.edu
[0] 38.67.138.128.in-addr.arpa.: domain name does not exist
[0] 39.67.138.128.in-addr.arpa.: domain name does not exist
[0] 40.67.138.128.in-addr.arpa.: domain name does not exist
[0] 41.67.138.128.in-addr.arpa.: domain name does not exist
[0] 42.67.138.128.in-addr.arpa.: domain name does not exist
[0] 43.67.138.128.in-addr.arpa.: domain name does not exist
[0] 44.67.138.128.in-addr.arpa.: domain name does not exist
[0] 45.67.138.128.in-addr.arpa.: domain name does not exist
[0] 46.67.138.128.in-addr.arpa.: domain name does not exist
[0] 47.67.138.128.in-addr.arpa.: domain name does not exist
[0] 48.67.138.128.in-addr.arpa.: domain name does not exist
[0] 49.67.138.128.in-addr.arpa.: domain name does not exist
[0] 50.67.138.128.in-addr.arpa.: domain name does not exist
[0] 51.67.138.128.in-addr.arpa.: domain name does not exist
[0] 52.67.138.128.in-addr.arpa.: domain name does not exist
[0] 53.67.138.128.in-addr.arpa.: domain name does not exist
[0] 54.67.138.128.in-addr.arpa.: domain name does not exist
[0] 55.67.138.128.in-addr.arpa.: domain name does not exist
[0] 56.67.138.128.in-addr.arpa.: domain name does not exist
[0] 57.67.138.128.in-addr.arpa.: domain name does not exist
[0] 58.67.138.128.in-addr.arpa.: domain name does not exist
[0] 59.67.138.128.in-addr.arpa.: domain name does not exist
[0] 60.67.138.128.in-addr.arpa.: domain name does not exist
[0] 61.67.138.128.in-addr.arpa.: domain name does not exist
[0] 62.67.138.128.in-addr.arpa.: domain name does not exist
[0] 63.67.138.128.in-addr.arpa.: domain name does not exist
[0] 64.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 65.67.138.128.in-addr.arpa. domain name pointer spsc-f5-pub67-gw.colorado.edu
[0] 66.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 67.67.138.128.in-addr.arpa. domain name pointer spsc-f5-67.colorado.edu
[3600] 68.67.138.128.in-addr.arpa. domain name pointer spsc2-f5-67.colorado.edu
[3600] 69.67.138.128.in-addr.arpa. domain name pointer spsc2-f5-vip-67.colorado.edu
[3600] 70.67.138.128.in-addr.arpa. domain name pointer redirects-spsc.colorado.edu
[3600] 71.67.138.128.in-addr.arpa. domain name pointer finesse-spsc.colorado.edu
[3600] 72.67.138.128.in-addr.arpa. domain name pointer fedauth-test-spsc.colorado.edu
[3600] 73.67.138.128.in-addr.arpa. domain name pointer fedauth-spsc.colorado.edu
[3600] 74.67.138.128.in-addr.arpa. domain name pointer ipmx3.colorado.edu
[3600] 75.67.138.128.in-addr.arpa. domain name pointer ipmx4.colorado.edu
[3600] 76.67.138.128.in-addr.arpa. domain name pointer ipmx6.colorado.edu
[3600] 77.67.138.128.in-addr.arpa. domain name pointer mx.colorado.edu mx-spsc.colorado.edu
[3600] 78.67.138.128.in-addr.arpa. domain name pointer identikey-test-spsc.colorado.edu
[3600] 79.67.138.128.in-addr.arpa. domain name pointer smtp-spsc.colorado.edu
[3600] 80.67.138.128.in-addr.arpa. domain name pointer directory-legacy-spsc.colorado.edu
[3600] 81.67.138.128.in-addr.arpa. domain name pointer directory-spsc.colorado.edu
[3600] 82.67.138.128.in-addr.arpa. domain name pointer directory-test-spsc.colorado.edu
[3600] 83.67.138.128.in-addr.arpa. domain name pointer oud-spsc.colorado.edu
[3600] 84.67.138.128.in-addr.arpa. domain name pointer vcio-spsc.colorado.edu
[3600] 85.67.138.128.in-addr.arpa. domain name pointer ipmx8.colorado.edu
[3600] 86.67.138.128.in-addr.arpa. domain name pointer adtest-connector-spsc.colorado.edu
[3600] 87.67.138.128.in-addr.arpa. domain name pointer ad-connector-spsc.colorado.edu
[3600] 88.67.138.128.in-addr.arpa. domain name pointer spsc4-f5-67.colorado.edu
[3600] 89.67.138.128.in-addr.arpa. domain name pointer spsc5-f5-67.colorado.edu
[3600] 90.67.138.128.in-addr.arpa. domain name pointer spsc5-f5-vip-67.colorado.edu
[3600] 91.67.138.128.in-addr.arpa. domain name pointer identikey-spsc.colorado.edu
[3600] 92.67.138.128.in-addr.arpa. domain name pointer buffportal-stg-spsc.colorado.edu
[0] 93.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 94.67.138.128.in-addr.arpa. domain name pointer buffportal-spsc.colorado.edu
[0] 95.67.138.128.in-addr.arpa.: domain name does not exist
[0] 96.67.138.128.in-addr.arpa.: domain name does not exist
[0] 97.67.138.128.in-addr.arpa.: domain name does not exist
[0] 98.67.138.128.in-addr.arpa.: domain name does not exist
[0] 99.67.138.128.in-addr.arpa.: domain name does not exist
[0] 100.67.138.128.in-addr.arpa.: domain name does not exist
[0] 101.67.138.128.in-addr.arpa.: domain name does not exist
[0] 102.67.138.128.in-addr.arpa.: domain name does not exist
[0] 103.67.138.128.in-addr.arpa.: domain name does not exist
[0] 104.67.138.128.in-addr.arpa.: domain name does not exist
[0] 105.67.138.128.in-addr.arpa.: domain name does not exist
[0] 106.67.138.128.in-addr.arpa.: domain name does not exist
[0] 107.67.138.128.in-addr.arpa.: domain name does not exist
[0] 108.67.138.128.in-addr.arpa.: domain name does not exist
[0] 109.67.138.128.in-addr.arpa.: domain name does not exist
[0] 110.67.138.128.in-addr.arpa.: domain name does not exist
[0] 111.67.138.128.in-addr.arpa.: domain name does not exist
[0] 112.67.138.128.in-addr.arpa.: domain name does not exist
[0] 113.67.138.128.in-addr.arpa.: domain name does not exist
[0] 114.67.138.128.in-addr.arpa.: domain name does not exist
[0] 115.67.138.128.in-addr.arpa.: domain name does not exist
[0] 116.67.138.128.in-addr.arpa.: domain name does not exist
[0] 117.67.138.128.in-addr.arpa.: domain name does not exist
[0] 118.67.138.128.in-addr.arpa.: domain name does not exist
[0] 119.67.138.128.in-addr.arpa.: domain name does not exist
[0] 120.67.138.128.in-addr.arpa.: domain name does not exist
[0] 121.67.138.128.in-addr.arpa.: domain name does not exist
[0] 122.67.138.128.in-addr.arpa.: domain name does not exist
[0] 123.67.138.128.in-addr.arpa.: domain name does not exist
[0] 124.67.138.128.in-addr.arpa.: domain name does not exist
[0] 125.67.138.128.in-addr.arpa.: domain name does not exist
[0] 126.67.138.128.in-addr.arpa.: domain name does not exist
[0] 127.67.138.128.in-addr.arpa.: domain name does not exist
[0] 128.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 129.67.138.128.in-addr.arpa. domain name pointer gateway.colorado.edu
[0] 130.67.138.128.in-addr.arpa.: domain name does not exist
[0] 131.67.138.128.in-addr.arpa.: domain name does not exist
[0] 132.67.138.128.in-addr.arpa.: domain name does not exist
[0] 133.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 134.67.138.128.in-addr.arpa. domain name pointer ibs.colorado.edu
[3600] 135.67.138.128.in-addr.arpa. domain name pointer greenlantern.colorado.edu
[3600] 136.67.138.128.in-addr.arpa. domain name pointer ibs-storefront.colorado.edu
[3600] 137.67.138.128.in-addr.arpa. domain name pointer ibs-webtest.colorado.edu
[3600] 138.67.138.128.in-addr.arpa. domain name pointer ibs-postgres.colorado.edu
[3600] 139.67.138.128.in-addr.arpa. domain name pointer ibspg.colorado.edu
[3600] 140.67.138.128.in-addr.arpa. domain name pointer ibs-log.colorado.edu
[3600] 141.67.138.128.in-addr.arpa. domain name pointer gonzo.colorado.edu
[3600] 142.67.138.128.in-addr.arpa. domain name pointer sweetums.colorado.edu
[3600] 143.67.138.128.in-addr.arpa. domain name pointer hazards.colorado.edu
[3600] 144.67.138.128.in-addr.arpa. domain name pointer ibs-sql-test.colorado.edu
[3600] 145.67.138.128.in-addr.arpa. domain name pointer ibs-log-win.colorado.edu
[3600] 146.67.138.128.in-addr.arpa. domain name pointer ibs-sql-prod.colorado.edu
[3600] 147.67.138.128.in-addr.arpa. domain name pointer crazyharry.colorado.edu
[3600] 148.67.138.128.in-addr.arpa. domain name pointer ibscrs.colorado.edu
[3600] 149.67.138.128.in-addr.arpa. domain name pointer rizzorat.colorado.edu
[0] 150.67.138.128.in-addr.arpa.: domain name does not exist
[0] 151.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 152.67.138.128.in-addr.arpa. domain name pointer ibs-skyline.colorado.edu
[3600] 153.67.138.128.in-addr.arpa. domain name pointer quicksilver.colorado.edu
[3600] 154.67.138.128.in-addr.arpa. domain name pointer ibs-support.colorado.edu
[3600] 155.67.138.128.in-addr.arpa. domain name pointer ibs-management.colorado.edu
[3600] 156.67.138.128.in-addr.arpa. domain name pointer ibs-ftptemp.colorado.edu
[3600] 157.67.138.128.in-addr.arpa. domain name pointer ozzy.colorado.edu
[0] 158.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 159.67.138.128.in-addr.arpa. domain name pointer floydpepper.colorado.edu
[3600] 160.67.138.128.in-addr.arpa. domain name pointer swedishchef.colorado.edu
[3600] 161.67.138.128.in-addr.arpa. domain name pointer ibs-inventory.colorado.edu
[3600] 162.67.138.128.in-addr.arpa. domain name pointer ibs-cspv.colorado.edu
[3600] 163.67.138.128.in-addr.arpa. domain name pointer ibs-cupc.colorado.edu
[3600] 164.67.138.128.in-addr.arpa. domain name pointer ibs-xenstore-01.colorado.edu
[3600] 165.67.138.128.in-addr.arpa. domain name pointer ibs-xenstore-02.colorado.edu
[3600] 166.67.138.128.in-addr.arpa. domain name pointer ibs-economics.colorado.edu
[3600] 167.67.138.128.in-addr.arpa. domain name pointer ibs-config.colorado.edu
[3600] 168.67.138.128.in-addr.arpa. domain name pointer ibs-ibs.colorado.edu
[3600] 169.67.138.128.in-addr.arpa. domain name pointer hazlib.colorado.edu
[3600] 170.67.138.128.in-addr.arpa. domain name pointer sweetums.colorado.edu
[3600] 171.67.138.128.in-addr.arpa. domain name pointer behavioralscience.colorado.edu
[3600] 172.67.138.128.in-addr.arpa. domain name pointer ncrn.colorado.edu
[3600] 173.67.138.128.in-addr.arpa. domain name pointer ibs-sd-transfer.colorado.edu
[3600] 174.67.138.128.in-addr.arpa. domain name pointer addhealth.colorado.edu
[0] 175.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 176.67.138.128.in-addr.arpa. domain name pointer beanbunny.colorado.edu
[3600] 177.67.138.128.in-addr.arpa. domain name pointer safeschools.colorado.edu
[3600] 178.67.138.128.in-addr.arpa. domain name pointer acttestserver.colorado.edu
[3600] 179.67.138.128.in-addr.arpa. domain name pointer ibsmorty.colorado.edu
[3600] 180.67.138.128.in-addr.arpa. domain name pointer ibs-stepdown.colorado.edu
[3600] 181.67.138.128.in-addr.arpa. domain name pointer ibsgrid.colorado.edu
[3600] 182.67.138.128.in-addr.arpa. domain name pointer converge.colorado.edu
[3600] 183.67.138.128.in-addr.arpa. domain name pointer ibs-print.colorado.edu
[3600] 184.67.138.128.in-addr.arpa. domain name pointer blueprints.colorado.edu
[3600] 185.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-67-185.colorado.edu
[3600] 186.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-67-186.colorado.edu
[3600] 187.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-67-187.colorado.edu
[0] 188.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 189.67.138.128.in-addr.arpa. domain name pointer fozziebear.colorado.edu
[3600] 190.67.138.128.in-addr.arpa. domain name pointer lewzealand.colorado.edu
[3600] 191.67.138.128.in-addr.arpa. domain name pointer mahnamahna.colorado.edu
[3600] 192.67.138.128.in-addr.arpa. domain name pointer misspiggy.colorado.edu
[3600] 193.67.138.128.in-addr.arpa. domain name pointer sameagle.colorado.edu
[3600] 194.67.138.128.in-addr.arpa. domain name pointer scooter.colorado.edu
[0] 195.67.138.128.in-addr.arpa.: domain name does not exist
[0] 196.67.138.128.in-addr.arpa.: domain name does not exist
[0] 197.67.138.128.in-addr.arpa.: domain name does not exist
[0] 198.67.138.128.in-addr.arpa.: domain name does not exist
[0] 199.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 200.67.138.128.in-addr.arpa. domain name pointer henson.colorado.edu
[3600] 201.67.138.128.in-addr.arpa. domain name pointer zoot.colorado.edu
[3600] 202.67.138.128.in-addr.arpa. domain name pointer pepeprawn.colorado.edu
[0] 203.67.138.128.in-addr.arpa.: domain name does not exist
[0] 204.67.138.128.in-addr.arpa.: domain name does not exist
[3600] 205.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.205.colorado.edu
[3600] 206.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.206.colorado.edu
[3600] 207.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.207.colorado.edu
[3600] 208.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.208.colorado.edu
[3600] 209.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.209.colorado.edu
[3600] 210.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.210.colorado.edu
[3600] 211.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.211.colorado.edu
[3600] 212.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.212.colorado.edu
[3600] 213.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.213.colorado.edu
[3600] 214.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.214.colorado.edu
[3600] 215.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.215.colorado.edu
[3600] 216.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.216.colorado.edu
[3600] 217.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.217.colorado.edu
[3600] 218.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.218.colorado.edu
[3600] 219.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.219.colorado.edu
[3600] 220.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.220.colorado.edu
[3600] 221.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.221.colorado.edu
[3600] 222.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.222.colorado.edu
[3600] 223.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.223.colorado.edu
[3600] 224.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.224.colorado.edu
[3600] 225.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.225.colorado.edu
[3600] 226.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.226.colorado.edu
[3600] 227.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.227.colorado.edu
[3600] 228.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.228.colorado.edu
[3600] 229.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.229.colorado.edu
[3600] 230.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.230.colorado.edu
[3600] 231.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.231.colorado.edu
[3600] 232.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.232.colorado.edu
[3600] 233.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.233.colorado.edu
[3600] 234.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.234.colorado.edu
[3600] 235.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.235.colorado.edu
[3600] 236.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.236.colorado.edu
[3600] 237.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.237.colorado.edu
[3600] 238.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.238.colorado.edu
[3600] 239.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.239.colorado.edu
[3600] 240.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.240.colorado.edu
[3600] 241.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.241.colorado.edu
[3600] 242.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.242.colorado.edu
[3600] 243.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.243.colorado.edu
[3600] 244.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.244.colorado.edu
[3600] 245.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.245.colorado.edu
[3600] 246.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.246.colorado.edu
[3600] 247.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.247.colorado.edu
[3600] 248.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.248.colorado.edu
[3600] 249.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.249.colorado.edu
[3600] 250.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.250.colorado.edu
[3600] 251.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.251.colorado.edu
[3600] 252.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.252.colorado.edu
[3600] 253.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.253.colorado.edu
[3600] 254.67.138.128.in-addr.arpa. domain name pointer cu-spsc-ibs-128.138.67.254.colorado.edu
[0] 255.67.138.128.in-addr.arpa.: domain name does not exist