Host 0.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 1.40.193.131.in-addr.arpa domain name pointer cs40.gw.uic.edu.
Host 2.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 3.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 4.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 5.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 6.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 7.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 8.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 9.40.193.131.in-addr.arpa domain name pointer 40switch9n.cs.uic.edu.
[86400] 10.40.193.131.in-addr.arpa domain name pointer 41switch13w.cs.uic.edu.
[86400] 11.40.193.131.in-addr.arpa domain name pointer 40switch13e.cs.uic.edu.
[86400] 12.40.193.131.in-addr.arpa domain name pointer 40switch9w.cs.uic.edu.
[86400] 13.40.193.131.in-addr.arpa domain name pointer 40switch9e.cs.uic.edu.
[86400] 14.40.193.131.in-addr.arpa domain name pointer 40switch11w.cs.uic.edu.
[86400] 15.40.193.131.in-addr.arpa domain name pointer 40switch11e.cs.uic.edu.
[12699] 16.40.193.131.in-addr.arpa domain name pointer oscar.cs.uic.edu.
Host 17.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 18.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 19.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 20.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 21.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 22.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 23.40.193.131.in-addr.arpa domain name pointer nfs40a.eecs.uic.edu.
[86400] 24.40.193.131.in-addr.arpa domain name pointer nfs40b.eecs.uic.edu.
Host 25.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 26.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 27.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 28.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 29.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 30.40.193.131.in-addr.arpa domain name pointer mail240.cs.uic.edu.
[86400] 31.40.193.131.in-addr.arpa domain name pointer mail40.cs.uic.edu.
Host 32.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 33.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 34.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 35.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 36.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 37.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 38.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 39.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 40.40.193.131.in-addr.arpa domain name pointer ernie.cs.uic.edu.
Host 41.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 42.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 43.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 44.40.193.131.in-addr.arpa domain name pointer fred.cs.uic.edu.
Host 45.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 46.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[47028] 47.40.193.131.in-addr.arpa domain name pointer replica140.cs.uic.edu.
[86400] 48.40.193.131.in-addr.arpa domain name pointer replica40.cs.uic.edu.
[86400] 49.40.193.131.in-addr.arpa domain name pointer seomon.cs.uic.edu.
[86400] 50.40.193.131.in-addr.arpa domain name pointer yu.cs.uic.edu.
[86400] 51.40.193.131.in-addr.arpa domain name pointer kel6.cs.uic.edu.
Host 52.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 53.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 54.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 55.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 56.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 57.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 58.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 59.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 60.40.193.131.in-addr.arpa domain name pointer davinci.cs.uic.edu.
[86400] 61.40.193.131.in-addr.arpa domain name pointer seurat.cs.uic.edu.
[86400] 62.40.193.131.in-addr.arpa domain name pointer escher.cs.uic.edu.
[86400] 63.40.193.131.in-addr.arpa domain name pointer gutenberg.cs.uic.edu.
Host 64.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 65.40.193.131.in-addr.arpa domain name pointer wiggins.cs.uic.edu.
[86400] 66.40.193.131.in-addr.arpa domain name pointer 1100seopc.cs.uic.edu.
[86400] 67.40.193.131.in-addr.arpa domain name pointer tadg4.cs.uic.edu.
[86400] 68.40.193.131.in-addr.arpa domain name pointer dali.cs.uic.edu.
[86400] 69.40.193.131.in-addr.arpa domain name pointer vangogh.cs.uic.edu.
[86400] 70.40.193.131.in-addr.arpa domain name pointer michelangelo.cs.uic.edu.
[86400] 71.40.193.131.in-addr.arpa domain name pointer mini1107.cs.uic.edu.
Host 72.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 73.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 74.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 75.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 76.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 77.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 78.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 79.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 80.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 81.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 82.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 83.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 84.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 85.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 86.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 87.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 88.40.193.131.in-addr.arpa domain name pointer 1137seopc.cs.uic.edu.
[86400] 89.40.193.131.in-addr.arpa domain name pointer 1125seopb2.cs.uic.edu.
[86400] 90.40.193.131.in-addr.arpa domain name pointer leo.cs.uic.edu.
[86400] 91.40.193.131.in-addr.arpa domain name pointer chevalier.cs.uic.edu.
[86400] 92.40.193.131.in-addr.arpa domain name pointer dkelly.cs.uic.edu.
[86400] 93.40.193.131.in-addr.arpa domain name pointer degas.cs.uic.edu.
[86400] 94.40.193.131.in-addr.arpa domain name pointer denisepc.cs.uic.edu.
Host 95.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 96.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 97.40.193.131.in-addr.arpa domain name pointer 937seo.cs.uic.edu.
Host 98.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 99.40.193.131.in-addr.arpa domain name pointer supportdb.cs.uic.edu.
[86400] 100.40.193.131.in-addr.arpa domain name pointer surya.cs.uic.edu.
[86400] 101.40.193.131.in-addr.arpa domain name pointer 1116seocprinter.cs.uic.edu.
[86400] 102.40.193.131.in-addr.arpa domain name pointer mabuse.cs.uic.edu.
[86400] 103.40.193.131.in-addr.arpa domain name pointer babbage.cs.uic.edu.
[86400] 104.40.193.131.in-addr.arpa domain name pointer 1140seopc1.cs.uic.edu.
[86400] 105.40.193.131.in-addr.arpa domain name pointer 1136seopc.cs.uic.edu.
[86400] 106.40.193.131.in-addr.arpa domain name pointer shericepc.cs.uic.edu.
[86400] 107.40.193.131.in-addr.arpa domain name pointer seo915pc.cs.uic.edu.
[86400] 108.40.193.131.in-addr.arpa domain name pointer 939seopc2.cs.uic.edu.
[86400] 109.40.193.131.in-addr.arpa domain name pointer msvision2.cs.uic.edu.
[86400] 110.40.193.131.in-addr.arpa domain name pointer 1120scannerpc.cs.uic.edu.
[86400] 111.40.193.131.in-addr.arpa domain name pointer 1133seopc2.cs.uic.edu.
[86400] 112.40.193.131.in-addr.arpa domain name pointer dgwqvl11.cs.uic.edu.
[86400] 113.40.193.131.in-addr.arpa domain name pointer tiger1.cs.uic.edu.
[86400] 114.40.193.131.in-addr.arpa domain name pointer 1109seopc.cs.uic.edu.
[86400] 115.40.193.131.in-addr.arpa domain name pointer petes-pb.cs.uic.edu.
[86400] 116.40.193.131.in-addr.arpa domain name pointer billpc.cs.uic.edu.
[86400] 117.40.193.131.in-addr.arpa domain name pointer 1125seopb.cs.uic.edu.
[86400] 118.40.193.131.in-addr.arpa domain name pointer imeldapc.cs.uic.edu.
[86400] 119.40.193.131.in-addr.arpa domain name pointer ouri.cs.uic.edu.
[86400] 120.40.193.131.in-addr.arpa domain name pointer chandra.cs.uic.edu.
[47026] 121.40.193.131.in-addr.arpa domain name pointer figaro.cs.uic.edu.
[86400] 122.40.193.131.in-addr.arpa domain name pointer turing.cs.uic.edu.
[86400] 123.40.193.131.in-addr.arpa domain name pointer godel.cs.uic.edu.
[86400] 124.40.193.131.in-addr.arpa domain name pointer 939seopc.cs.uic.edu.
[86400] 125.40.193.131.in-addr.arpa domain name pointer petes-g5.cs.uic.edu.
[64065] 126.40.193.131.in-addr.arpa domain name pointer falstaff.cs.uic.edu.
[86400] 127.40.193.131.in-addr.arpa domain name pointer kel.cs.uic.edu.
[86400] 128.40.193.131.in-addr.arpa domain name pointer 1336seopc2.cs.uic.edu.
[86400] 129.40.193.131.in-addr.arpa domain name pointer kel3.cs.uic.edu.
[86400] 130.40.193.131.in-addr.arpa domain name pointer 1140seomac.cs.uic.edu.
[86400] 131.40.193.131.in-addr.arpa domain name pointer seo1330pc1.cs.uic.edu.
[86400] 132.40.193.131.in-addr.arpa domain name pointer dipsy.cs.uic.edu.
[86400] 133.40.193.131.in-addr.arpa domain name pointer santhipc.cs.uic.edu.
[86400] 134.40.193.131.in-addr.arpa domain name pointer erdos.cs.uic.edu.
[86400] 135.40.193.131.in-addr.arpa domain name pointer jenpc.cs.uic.edu.
[86400] 136.40.193.131.in-addr.arpa domain name pointer flavio.cs.uic.edu.
[86400] 137.40.193.131.in-addr.arpa domain name pointer 1133seopc.cs.uic.edu.
Host 138.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 139.40.193.131.in-addr.arpa domain name pointer logos.cs.uic.edu.
[86400] 140.40.193.131.in-addr.arpa domain name pointer 919seopc.cs.uic.edu.
[86400] 141.40.193.131.in-addr.arpa domain name pointer 1125seopc.cs.uic.edu.
[86400] 142.40.193.131.in-addr.arpa domain name pointer seal.cs.uic.edu.
[86400] 143.40.193.131.in-addr.arpa domain name pointer orion.cs.uic.edu.
[86400] 144.40.193.131.in-addr.arpa domain name pointer 919seopc1.cs.uic.edu.
[86400] 145.40.193.131.in-addr.arpa domain name pointer 1033seoprinter.cs.uic.edu.
[86400] 146.40.193.131.in-addr.arpa domain name pointer sama.cs.uic.edu.
[86400] 147.40.193.131.in-addr.arpa domain name pointer dada.cs.uic.edu.
[86400] 148.40.193.131.in-addr.arpa domain name pointer oreglia.cs.uic.edu.
[30883] 149.40.193.131.in-addr.arpa domain name pointer feline.cs.uic.edu.
[86400] 150.40.193.131.in-addr.arpa domain name pointer kel5.cs.uic.edu.
[86400] 151.40.193.131.in-addr.arpa domain name pointer kel1.cs.uic.edu.
[86400] 152.40.193.131.in-addr.arpa domain name pointer kel7.cs.uic.edu.
[86400] 153.40.193.131.in-addr.arpa domain name pointer glue.cs.uic.edu.
[86400] 154.40.193.131.in-addr.arpa domain name pointer turiya.cs.uic.edu.
[86400] 155.40.193.131.in-addr.arpa domain name pointer 905seoprinter.cs.uic.edu.
[47024] 156.40.193.131.in-addr.arpa domain name pointer merlin.cs.uic.edu.
[86400] 157.40.193.131.in-addr.arpa domain name pointer horizon.cs.uic.edu.
[86400] 158.40.193.131.in-addr.arpa domain name pointer kel9.cs.uic.edu.
[86400] 159.40.193.131.in-addr.arpa domain name pointer 938seopc.cs.uic.edu.
[86400] 160.40.193.131.in-addr.arpa domain name pointer 936seopc1.cs.uic.edu.
[86400] 161.40.193.131.in-addr.arpa domain name pointer 941seopc.cs.uic.edu.
[2665] 162.40.193.131.in-addr.arpa domain name pointer expedition.cs.uic.edu.
[86400] 163.40.193.131.in-addr.arpa domain name pointer msvision3.cs.uic.edu.
[86400] 164.40.193.131.in-addr.arpa domain name pointer 933seopc2.cs.uic.edu.
[86400] 165.40.193.131.in-addr.arpa domain name pointer 1118seoprinter.cs.uic.edu.
[86400] 166.40.193.131.in-addr.arpa domain name pointer 915seoprinter.cs.uic.edu.
[86400] 167.40.193.131.in-addr.arpa domain name pointer 1100seopc2.cs.uic.edu.
[86400] 168.40.193.131.in-addr.arpa domain name pointer chanakya.cs.uic.edu.
[86400] 169.40.193.131.in-addr.arpa domain name pointer elenapc.cs.uic.edu.
[8986] 170.40.193.131.in-addr.arpa domain name pointer faust.cs.uic.edu.
[86400] 171.40.193.131.in-addr.arpa domain name pointer nemo.cs.uic.edu.
[86400] 172.40.193.131.in-addr.arpa domain name pointer torino.cs.uic.edu.
[7945] 173.40.193.131.in-addr.arpa domain name pointer norma.cs.uic.edu.
[86400] 174.40.193.131.in-addr.arpa domain name pointer civitella.cs.uic.edu.
[86400] 175.40.193.131.in-addr.arpa domain name pointer porta.cs.uic.edu.
[86400] 176.40.193.131.in-addr.arpa domain name pointer msvision.cs.uic.edu.
[86400] 177.40.193.131.in-addr.arpa domain name pointer houdini.cs.uic.edu.
[86400] 178.40.193.131.in-addr.arpa domain name pointer maxou.cs.uic.edu.
[86400] 179.40.193.131.in-addr.arpa domain name pointer certosino.cs.uic.edu.
[86400] 180.40.193.131.in-addr.arpa domain name pointer 1120copier.cs.uic.edu.
[86400] 181.40.193.131.in-addr.arpa domain name pointer 1109seopc2.cs.uic.edu.
[86400] 182.40.193.131.in-addr.arpa domain name pointer 939seosun1.cs.uic.edu.
[86400] 183.40.193.131.in-addr.arpa domain name pointer 939seosun2.cs.uic.edu.
[86400] 184.40.193.131.in-addr.arpa domain name pointer seo1330pc2.cs.uic.edu.
[86400] 185.40.193.131.in-addr.arpa domain name pointer msvision1.cs.uic.edu.
[86400] 186.40.193.131.in-addr.arpa domain name pointer 908seopc.cs.uic.edu.
[86400] 187.40.193.131.in-addr.arpa domain name pointer monviso.cs.uic.edu.
[86400] 188.40.193.131.in-addr.arpa domain name pointer seo1131pc.cs.uic.edu.
[86400] 189.40.193.131.in-addr.arpa domain name pointer ohm.cs.uic.edu.
[86400] 190.40.193.131.in-addr.arpa domain name pointer cumiana.cs.uic.edu.
[86400] 191.40.193.131.in-addr.arpa domain name pointer john-bell.cs.uic.edu.
[86400] 192.40.193.131.in-addr.arpa domain name pointer conexant.cs.uic.edu.
[86400] 193.40.193.131.in-addr.arpa domain name pointer totum.eecs.uic.edu.
[86400] 194.40.193.131.in-addr.arpa domain name pointer spirit.eecs.uic.edu.
Host 195.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 196.40.193.131.in-addr.arpa domain name pointer monet.cs.uic.edu.
[86400] 197.40.193.131.in-addr.arpa domain name pointer ara.cs.uic.edu.
[86400] 198.40.193.131.in-addr.arpa domain name pointer andromeda.cs.uic.edu.
[86400] 199.40.193.131.in-addr.arpa domain name pointer piemonte.cs.uic.edu.
[86400] 200.40.193.131.in-addr.arpa domain name pointer tredenti.cs.uic.edu.
[86400] 201.40.193.131.in-addr.arpa domain name pointer superga.cs.uic.edu.
[86400] 202.40.193.131.in-addr.arpa domain name pointer 908seoprinter.cs.uic.edu.
[86400] 203.40.193.131.in-addr.arpa domain name pointer ajay.cs.uic.edu.
[86400] 204.40.193.131.in-addr.arpa domain name pointer imec.cs.uic.edu.
[86400] 205.40.193.131.in-addr.arpa domain name pointer huckle.cs.uic.edu.
[86400] 206.40.193.131.in-addr.arpa domain name pointer bhaskar.cs.uic.edu.
[86400] 207.40.193.131.in-addr.arpa domain name pointer 933seoprinter.cs.uic.edu.
[86400] 208.40.193.131.in-addr.arpa domain name pointer nicky.cs.uic.edu.
[86400] 209.40.193.131.in-addr.arpa domain name pointer cordy.cs.uic.edu.
[86400] 210.40.193.131.in-addr.arpa domain name pointer 931seopc.cs.uic.edu.
[86400] 211.40.193.131.in-addr.arpa domain name pointer nebula.cs.uic.edu.
[86400] 212.40.193.131.in-addr.arpa domain name pointer blade927.cs.uic.edu.
[86400] 213.40.193.131.in-addr.arpa domain name pointer blade927pc.cs.uic.edu.
Host 214.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 215.40.193.131.in-addr.arpa domain name pointer horizon1.cs.uic.edu.
[86400] 216.40.193.131.in-addr.arpa domain name pointer astra.cs.uic.edu.
[86400] 217.40.193.131.in-addr.arpa domain name pointer jacques.cs.uic.edu.
[86400] 218.40.193.131.in-addr.arpa domain name pointer 927SEOprinter.cs.uic.edu.
[47022] 219.40.193.131.in-addr.arpa domain name pointer oracle.cs.uic.edu.
[86400] 220.40.193.131.in-addr.arpa domain name pointer enrico.cs.uic.edu.
[86400] 221.40.193.131.in-addr.arpa domain name pointer prizm.cs.uic.edu.
[86400] 222.40.193.131.in-addr.arpa domain name pointer dijkstra.cs.uic.edu.
[86400] 223.40.193.131.in-addr.arpa domain name pointer 933seopc.cs.uic.edu.
[86400] 224.40.193.131.in-addr.arpa domain name pointer phil.cs.uic.edu.
Host 225.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[47022] 226.40.193.131.in-addr.arpa domain name pointer 907seopc1.cs.uic.edu.
[86400] 227.40.193.131.in-addr.arpa domain name pointer 932seopc1.cs.uic.edu.
[47022] 228.40.193.131.in-addr.arpa domain name pointer 1306seopc1.cs.uic.edu.
[86400] 229.40.193.131.in-addr.arpa domain name pointer 1310seopc1.cs.uic.edu.
[47022] 230.40.193.131.in-addr.arpa domain name pointer 907seopc2.cs.uic.edu.
[47022] 231.40.193.131.in-addr.arpa domain name pointer 932seopc2.cs.uic.edu.
[47022] 232.40.193.131.in-addr.arpa domain name pointer 1310seopc2.cs.uic.edu.
[86400] 233.40.193.131.in-addr.arpa domain name pointer dado.cs.uic.edu.
[86400] 234.40.193.131.in-addr.arpa domain name pointer ada.cs.uic.edu.
[86400] 235.40.193.131.in-addr.arpa domain name pointer ramanujan.cs.uic.edu.
[86400] 236.40.193.131.in-addr.arpa domain name pointer ramanujan-pc.cs.uic.edu.
[86400] 237.40.193.131.in-addr.arpa domain name pointer lillispb.cs.uic.edu.
[86400] 238.40.193.131.in-addr.arpa domain name pointer cray.cs.uic.edu.
[86400] 239.40.193.131.in-addr.arpa domain name pointer rvkportable.cs.uic.edu.
[86400] 240.40.193.131.in-addr.arpa domain name pointer alfredo.cs.uic.edu.
[86400] 241.40.193.131.in-addr.arpa domain name pointer utc.cs.uic.edu.
[86400] 242.40.193.131.in-addr.arpa domain name pointer dasgupta.cs.uic.edu.
[86400] 243.40.193.131.in-addr.arpa domain name pointer 1125seopc2.cs.uic.edu.
Host 244.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 245.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
Host 246.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 247.40.193.131.in-addr.arpa domain name pointer oldlan40.cs.uic.edu.
[86400] 248.40.193.131.in-addr.arpa domain name pointer onetouch40.cs.uic.edu.
[86400] 249.40.193.131.in-addr.arpa domain name pointer lanmeter40.cs.uic.edu.
[86400] 250.40.193.131.in-addr.arpa domain name pointer test40.cs.uic.edu.
[86400] 251.40.193.131.in-addr.arpa domain name pointer testa40.cs.uic.edu.
[86400] 252.40.193.131.in-addr.arpa domain name pointer netmon40.cs.uic.edu.
[86400] 253.40.193.131.in-addr.arpa domain name pointer sniffer40.cs.uic.edu.
[42257] 254.40.193.131.in-addr.arpa domain name pointer fred.eecs.uic.edu.
Host 255.40.193.131.in-addr.arpa not found: 3(NXDOMAIN)