Host 0.99.243.128.in-addr.arpa not found: 3(NXDOMAIN) 1.99.243.128.in-addr.arpa domain name pointer ruitfagw-v-252-99-0.is.nottingham.ac.uk. 2.99.243.128.in-addr.arpa domain name pointer w6a-sw.nottingham.ac.uk. 3.99.243.128.in-addr.arpa domain name pointer plierg2.nottingham.ac.uk. 4.99.243.128.in-addr.arpa domain name pointer wlic250.nottingham.ac.uk. 5.99.243.128.in-addr.arpa domain name pointer plijh1.nottingham.ac.uk. 6.99.243.128.in-addr.arpa domain name pointer plilmks.nottingham.ac.uk. 7.99.243.128.in-addr.arpa domain name pointer plidmb9c.smf.nottingham.ac.uk. 8.99.243.128.in-addr.arpa domain name pointer plidml1.nottingham.ac.uk. 9.99.243.128.in-addr.arpa domain name pointer plidmm1.nottingham.ac.uk. 10.99.243.128.in-addr.arpa domain name pointer pliphd.nottingham.ac.uk. 11.99.243.128.in-addr.arpa domain name pointer plilibf.nottingham.ac.uk. 12.99.243.128.in-addr.arpa domain name pointer plia75c.nottingham.ac.uk. 13.99.243.128.in-addr.arpa domain name pointer plicmb1.nottingham.ac.uk. 14.99.243.128.in-addr.arpa domain name pointer plicmb2.nottingham.ac.uk. 15.99.243.128.in-addr.arpa domain name pointer plicmb3.nottingham.ac.uk. 16.99.243.128.in-addr.arpa domain name pointer plimacc80.smf.nottingham.ac.uk. 17.99.243.128.in-addr.arpa domain name pointer pliphda62.smf.nottingham.ac.uk. 18.99.243.128.in-addr.arpa domain name pointer pliphda64.smf.nottingham.ac.uk. 19.99.243.128.in-addr.arpa domain name pointer plittri1.smf.nottingham.ac.uk. 20.99.243.128.in-addr.arpa domain name pointer plibvgd.nottingham.ac.uk. 21.99.243.128.in-addr.arpa domain name pointer plicmbor1.smf.nottingham.ac.uk. 22.99.243.128.in-addr.arpa domain name pointer pliaga75.smf.nottingham.ac.uk. 23.99.243.128.in-addr.arpa domain name pointer plibvgg.nottingham.ac.uk. 24.99.243.128.in-addr.arpa domain name pointer plibst1.smf.nottingham.ac.uk. 25.99.243.128.in-addr.arpa domain name pointer plicfa32.smf.nottingham.ac.uk. 26.99.243.128.in-addr.arpa domain name pointer plicmbor2.smf.nottingham.ac.uk. 27.99.243.128.in-addr.arpa domain name pointer plibvg3.nottingham.ac.uk. 28.99.243.128.in-addr.arpa domain name pointer plibvg4.nottingham.ac.uk. 29.99.243.128.in-addr.arpa domain name pointer pliphda69.smf.nottingham.ac.uk. 30.99.243.128.in-addr.arpa domain name pointer pliphda610.smf.nottingham.ac.uk. 31.99.243.128.in-addr.arpa domain name pointer plibvg7.nottingham.ac.uk. 32.99.243.128.in-addr.arpa domain name pointer pligpc80.smf.nottingham.ac.uk. 33.99.243.128.in-addr.arpa domain name pointer plibv10.nottingham.ac.uk. 34.99.243.128.in-addr.arpa domain name pointer pliphda611.smf.nottingham.ac.uk. 35.99.243.128.in-addr.arpa domain name pointer plibvg9.nottingham.ac.uk. 36.99.243.128.in-addr.arpa domain name pointer plivgmt.nottingham.ac.uk. 37.99.243.128.in-addr.arpa domain name pointer plirmdl.nottingham.ac.uk. 38.99.243.128.in-addr.arpa domain name pointer plicta1.nottingham.ac.uk. 39.99.243.128.in-addr.arpa domain name pointer ppljsp.nottingham.ac.uk. 40.99.243.128.in-addr.arpa domain name pointer plijml1.nottingham.ac.uk. 41.99.243.128.in-addr.arpa domain name pointer plicte.nottingham.ac.uk. 42.99.243.128.in-addr.arpa domain name pointer plimae.nottingham.ac.uk. 43.99.243.128.in-addr.arpa domain name pointer plipos.nottingham.ac.uk. 44.99.243.128.in-addr.arpa domain name pointer pvmonitor-smf1.nottingham.ac.uk. 45.99.243.128.in-addr.arpa domain name pointer plikh1.nottingham.ac.uk. 46.99.243.128.in-addr.arpa domain name pointer plidkh1.nottingham.ac.uk. 47.99.243.128.in-addr.arpa domain name pointer pliqx10.nottingham.ac.uk. 48.99.243.128.in-addr.arpa domain name pointer plivr10.nottingham.ac.uk. 49.99.243.128.in-addr.arpa domain name pointer plimaof.nottingham.ac.uk. 50.99.243.128.in-addr.arpa domain name pointer pbbbgz5.nottingham.ac.uk. 51.99.243.128.in-addr.arpa domain name pointer plijac17.smf.nottingham.ac.uk. 52.99.243.128.in-addr.arpa domain name pointer plitbb34a.smf.nottingham.ac.uk. 53.99.243.128.in-addr.arpa domain name pointer plibsx1.smf.nottingham.ac.uk. 54.99.243.128.in-addr.arpa domain name pointer plibrav.smf.nottingham.ac.uk. 55.99.243.128.in-addr.arpa domain name pointer plia71-5.smf.nottingham.ac.uk. 56.99.243.128.in-addr.arpa domain name pointer plibs4x.smf.nottingham.ac.uk. 57.99.243.128.in-addr.arpa domain name pointer plibpf5.nottingham.ac.uk. 58.99.243.128.in-addr.arpa domain name pointer pliaz1.nottingham.ac.uk. 59.99.243.128.in-addr.arpa domain name pointer plipflz.nottingham.ac.uk. 60.99.243.128.in-addr.arpa domain name pointer plimbaz.nottingham.ac.uk. 61.99.243.128.in-addr.arpa domain name pointer wlismz.nottingham.ac.uk. 62.99.243.128.in-addr.arpa domain name pointer pvmonitor-smf2.nottingham.ac.uk. 63.99.243.128.in-addr.arpa domain name pointer plisml6.nottingham.ac.uk. 64.99.243.128.in-addr.arpa domain name pointer plimd1.nottingham.ac.uk. 65.99.243.128.in-addr.arpa domain name pointer plitbz4.nottingham.ac.uk. 66.99.243.128.in-addr.arpa domain name pointer pliniwh.nottingham.ac.uk. 67.99.243.128.in-addr.arpa domain name pointer pliniw2.nottingham.ac.uk. 68.99.243.128.in-addr.arpa domain name pointer pliniw3.nottingham.ac.uk. 69.99.243.128.in-addr.arpa domain name pointer plibsws.nottingham.ac.uk. 70.99.243.128.in-addr.arpa domain name pointer pliphda612.smf.nottingham.ac.uk. 71.99.243.128.in-addr.arpa domain name pointer plirmcc.nottingham.ac.uk. 72.99.243.128.in-addr.arpa domain name pointer w8a2-sw.ccc.nottingham.ac.uk. 73.99.243.128.in-addr.arpa domain name pointer plimrb1.nottingham.ac.uk. 74.99.243.128.in-addr.arpa domain name pointer plicb1.nottingham.ac.uk. 75.99.243.128.in-addr.arpa domain name pointer plipgs2.nottingham.ac.uk. 76.99.243.128.in-addr.arpa domain name pointer pliphda61.smf.nottingham.ac.uk. 77.99.243.128.in-addr.arpa domain name pointer plism1.nottingham.ac.uk. 78.99.243.128.in-addr.arpa domain name pointer wlia65.nottingham.ac.uk. 79.99.243.128.in-addr.arpa domain name pointer wlia64.nottingham.ac.uk. 80.99.243.128.in-addr.arpa domain name pointer wlia63.nottingham.ac.uk. 81.99.243.128.in-addr.arpa domain name pointer wlia62.nottingham.ac.uk. 82.99.243.128.in-addr.arpa domain name pointer wlia61.nottingham.ac.uk. 83.99.243.128.in-addr.arpa domain name pointer plich1.nottingham.ac.uk. 84.99.243.128.in-addr.arpa domain name pointer plia75.smf.nottingham.ac.uk. 85.99.243.128.in-addr.arpa domain name pointer plijpw1.nottingham.ac.uk. 86.99.243.128.in-addr.arpa domain name pointer plicmbor3.smf.nottingham.ac.uk. 87.99.243.128.in-addr.arpa domain name pointer wlicdh2.nottingham.ac.uk. 88.99.243.128.in-addr.arpa domain name pointer wlicdh1.nottingham.ac.uk. 89.99.243.128.in-addr.arpa domain name pointer plirmdn.nottingham.ac.uk. 90.99.243.128.in-addr.arpa domain name pointer plipfl1.nottingham.ac.uk. 91.99.243.128.in-addr.arpa domain name pointer pliabcb.nottingham.ac.uk. 92.99.243.128.in-addr.arpa domain name pointer pliiwh8.nottingham.ac.uk. 93.99.243.128.in-addr.arpa domain name pointer pliiwh9.nottingham.ac.uk. 94.99.243.128.in-addr.arpa domain name pointer pliast1.nottingham.ac.uk. 95.99.243.128.in-addr.arpa domain name pointer pblcc14.nottingham.ac.uk. 96.99.243.128.in-addr.arpa domain name pointer plilict.nottingham.ac.uk. 97.99.243.128.in-addr.arpa domain name pointer plilibg.nottingham.ac.uk. 98.99.243.128.in-addr.arpa domain name pointer wlilidm.nottingham.ac.uk. 99.99.243.128.in-addr.arpa domain name pointer plidm01.nottingham.ac.uk. 100.99.243.128.in-addr.arpa domain name pointer plipgcg.nottingham.ac.uk. 101.99.243.128.in-addr.arpa domain name pointer plimjb9b.smf.nottingham.ac.uk. 102.99.243.128.in-addr.arpa domain name pointer pli431.nottingham.ac.uk. 103.99.243.128.in-addr.arpa domain name pointer plic96.nottingham.ac.uk. 104.99.243.128.in-addr.arpa domain name pointer plicad.nottingham.ac.uk. 105.99.243.128.in-addr.arpa domain name pointer plibfd.nottingham.ac.uk. 106.99.243.128.in-addr.arpa domain name pointer pliav2.smf.nottingham.ac.uk. 107.99.243.128.in-addr.arpa domain name pointer plilinc.nottingham.ac.uk. 108.99.243.128.in-addr.arpa domain name pointer plimhb78b.smf.nottingham.ac.uk. 109.99.243.128.in-addr.arpa domain name pointer plib36r.nottingham.ac.uk. 110.99.243.128.in-addr.arpa domain name pointer plidsz.nottingham.ac.uk. 111.99.243.128.in-addr.arpa domain name pointer plib51.nottingham.ac.uk. 112.99.243.128.in-addr.arpa domain name pointer pliewb1.smf.nottingham.ac.uk. 113.99.243.128.in-addr.arpa domain name pointer pliwb2.smf.nottingham.ac.uk. 114.99.243.128.in-addr.arpa domain name pointer plisa1.nottingham.ac.uk. 115.99.243.128.in-addr.arpa domain name pointer plicda70.smf.nottingham.ac.uk. 116.99.243.128.in-addr.arpa domain name pointer plitbz3.nottingham.ac.uk. 117.99.243.128.in-addr.arpa domain name pointer xlib332.smf.nottingham.ac.uk. 118.99.243.128.in-addr.arpa domain name pointer xlijccol1.smf.nottingham.ac.uk. 119.99.243.128.in-addr.arpa domain name pointer plijul1.nottingham.ac.uk. 120.99.243.128.in-addr.arpa domain name pointer plipseh.nottingham.ac.uk. 121.99.243.128.in-addr.arpa domain name pointer plimt1.nottingham.ac.uk. 122.99.243.128.in-addr.arpa domain name pointer plitbz2.nottingham.ac.uk. 123.99.243.128.in-addr.arpa domain name pointer xlibsc1.smf.nottingham.ac.uk. 124.99.243.128.in-addr.arpa domain name pointer plitatr.nottingham.ac.uk. 125.99.243.128.in-addr.arpa domain name pointer wlitata.nottingham.ac.uk. 126.99.243.128.in-addr.arpa domain name pointer plilids.nottingham.ac.uk. 127.99.243.128.in-addr.arpa domain name pointer cfa-gw-99.ccc.nottingham.ac.uk. 128.99.243.128.in-addr.arpa domain name pointer plierg1.nottingham.ac.uk. 129.99.243.128.in-addr.arpa domain name pointer plial1.nottingham.ac.uk. 130.99.243.128.in-addr.arpa domain name pointer wlilab.nottingham.ac.uk. 131.99.243.128.in-addr.arpa domain name pointer plicp1.smf.nottingham.ac.uk. 132.99.243.128.in-addr.arpa domain name pointer xlircopy.smf.nottingham.ac.uk. 133.99.243.128.in-addr.arpa domain name pointer pliuf1.nottingham.ac.uk. 134.99.243.128.in-addr.arpa domain name pointer plia3-dk.smf.nottingham.ac.uk. 135.99.243.128.in-addr.arpa domain name pointer plibb1.nottingham.ac.uk. 136.99.243.128.in-addr.arpa domain name pointer plitnt4.nottingham.ac.uk. 137.99.243.128.in-addr.arpa domain name pointer plitnt3.nottingham.ac.uk. 138.99.243.128.in-addr.arpa domain name pointer plimhb78a.smf.nottingham.ac.uk. 139.99.243.128.in-addr.arpa domain name pointer plimwb101.nottingham.ac.uk. 140.99.243.128.in-addr.arpa domain name pointer wlima24.nottingham.ac.uk. 141.99.243.128.in-addr.arpa domain name pointer wlima23.nottingham.ac.uk. 142.99.243.128.in-addr.arpa domain name pointer wlima22.nottingham.ac.uk. 143.99.243.128.in-addr.arpa domain name pointer wlima21.nottingham.ac.uk. 144.99.243.128.in-addr.arpa domain name pointer wlima20.nottingham.ac.uk. 145.99.243.128.in-addr.arpa domain name pointer wlima19.nottingham.ac.uk. 146.99.243.128.in-addr.arpa domain name pointer wlima18.nottingham.ac.uk. 147.99.243.128.in-addr.arpa domain name pointer wlima17.nottingham.ac.uk. 148.99.243.128.in-addr.arpa domain name pointer wlima16.nottingham.ac.uk. 149.99.243.128.in-addr.arpa domain name pointer wlima15.nottingham.ac.uk. 150.99.243.128.in-addr.arpa domain name pointer wlima14.nottingham.ac.uk. 151.99.243.128.in-addr.arpa domain name pointer wlima13.nottingham.ac.uk. 152.99.243.128.in-addr.arpa domain name pointer plirec2.smf.nottingham.ac.uk. 153.99.243.128.in-addr.arpa domain name pointer wlima11.nottingham.ac.uk. 154.99.243.128.in-addr.arpa domain name pointer wlima10.nottingham.ac.uk. 155.99.243.128.in-addr.arpa domain name pointer wlima9.nottingham.ac.uk. 156.99.243.128.in-addr.arpa domain name pointer wlima8.nottingham.ac.uk. 157.99.243.128.in-addr.arpa domain name pointer wlima7.nottingham.ac.uk. 158.99.243.128.in-addr.arpa domain name pointer wlima6.nottingham.ac.uk. 159.99.243.128.in-addr.arpa domain name pointer wlima5.nottingham.ac.uk. 160.99.243.128.in-addr.arpa domain name pointer wlima4.nottingham.ac.uk. 161.99.243.128.in-addr.arpa domain name pointer wlima3.nottingham.ac.uk. 162.99.243.128.in-addr.arpa domain name pointer wlima2.nottingham.ac.uk. 163.99.243.128.in-addr.arpa domain name pointer wlima1.nottingham.ac.uk. 164.99.243.128.in-addr.arpa domain name pointer plibsaz7.smf.nottingham.ac.uk. 165.99.243.128.in-addr.arpa domain name pointer plirb1.nottingham.ac.uk. 166.99.243.128.in-addr.arpa domain name pointer plifit2.smf.nottingham.ac.uk. 167.99.243.128.in-addr.arpa domain name pointer plipeb1.smf.nottingham.ac.uk. 168.99.243.128.in-addr.arpa domain name pointer pliasz.nottingham.ac.uk. 169.99.243.128.in-addr.arpa domain name pointer pliswz.nottingham.ac.uk. 170.99.243.128.in-addr.arpa domain name pointer plidub34.nottingham.ac.uk. 171.99.243.128.in-addr.arpa domain name pointer plijwb6.smf.nottingham.ac.uk. 172.99.243.128.in-addr.arpa domain name pointer plirrz.nottingham.ac.uk. 173.99.243.128.in-addr.arpa domain name pointer plijlz.nottingham.ac.uk. 174.99.243.128.in-addr.arpa domain name pointer pliplz.nottingham.ac.uk. 175.99.243.128.in-addr.arpa domain name pointer plilpz.nottingham.ac.uk. 176.99.243.128.in-addr.arpa domain name pointer plimkz.nottingham.ac.uk. 177.99.243.128.in-addr.arpa domain name pointer plifpz.nottingham.ac.uk. 178.99.243.128.in-addr.arpa domain name pointer pliltz.nottingham.ac.uk. 179.99.243.128.in-addr.arpa domain name pointer pliagz.nottingham.ac.uk. 180.99.243.128.in-addr.arpa domain name pointer plitcz.nottingham.ac.uk. 181.99.243.128.in-addr.arpa domain name pointer plijll1.smf.nottingham.ac.uk. 182.99.243.128.in-addr.arpa domain name pointer plidib.nottingham.ac.uk. 183.99.243.128.in-addr.arpa domain name pointer pliseb.nottingham.ac.uk. 184.99.243.128.in-addr.arpa domain name pointer plibgl1.smf.nottingham.ac.uk. 185.99.243.128.in-addr.arpa domain name pointer pligmzz.nottingham.ac.uk. 186.99.243.128.in-addr.arpa domain name pointer plilmb6.smf.nottingham.ac.uk. 187.99.243.128.in-addr.arpa domain name pointer plinbzz.nottingham.ac.uk. 188.99.243.128.in-addr.arpa domain name pointer pliaszz.nottingham.ac.uk. 189.99.243.128.in-addr.arpa domain name pointer pligczz.nottingham.ac.uk. 190.99.243.128.in-addr.arpa domain name pointer plistzz.nottingham.ac.uk. 191.99.243.128.in-addr.arpa domain name pointer plijm2.nottingham.ac.uk. 192.99.243.128.in-addr.arpa domain name pointer pli.nottingham.ac.uk. 193.99.243.128.in-addr.arpa domain name pointer pliigzz.nottingham.ac.uk. 194.99.243.128.in-addr.arpa domain name pointer plihszz.nottingham.ac.uk. 195.99.243.128.in-addr.arpa domain name pointer pliijbn.nottingham.ac.uk. 196.99.243.128.in-addr.arpa domain name pointer pliuggs.nottingham.ac.uk. 197.99.243.128.in-addr.arpa domain name pointer plittp3.nottingham.ac.uk. 198.99.243.128.in-addr.arpa domain name pointer plittp2.nottingham.ac.uk. 199.99.243.128.in-addr.arpa domain name pointer plittp1.nottingham.ac.uk. 200.99.243.128.in-addr.arpa domain name pointer plisgc32.smf.nottingham.ac.uk. 201.99.243.128.in-addr.arpa domain name pointer plittsg.nottingham.ac.uk. 202.99.243.128.in-addr.arpa domain name pointer plimwzz.nottingham.ac.uk. 203.99.243.128.in-addr.arpa domain name pointer plisgzz.nottingham.ac.uk. 204.99.243.128.in-addr.arpa domain name pointer plirhzz.nottingham.ac.uk. 205.99.243.128.in-addr.arpa domain name pointer plittts.nottingham.ac.uk. 206.99.243.128.in-addr.arpa domain name pointer plimbzz.nottingham.ac.uk. 207.99.243.128.in-addr.arpa domain name pointer plist10.nottingham.ac.uk. 208.99.243.128.in-addr.arpa domain name pointer pligcc75.smf.nottingham.ac.uk. 209.99.243.128.in-addr.arpa domain name pointer plimb99.nottingham.ac.uk. 210.99.243.128.in-addr.arpa domain name pointer plistb8.abfs.nottingham.ac.uk. 211.99.243.128.in-addr.arpa domain name pointer plibg1.nottingham.ac.uk. 212.99.243.128.in-addr.arpa domain name pointer plijwb1.smf.nottingham.ac.uk. 213.99.243.128.in-addr.arpa domain name pointer plistc73.smf.nottingham.ac.uk. 214.99.243.128.in-addr.arpa domain name pointer plingc9.smf.nottingham.ac.uk. 215.99.243.128.in-addr.arpa domain name pointer plic71a.smf.nottingham.ac.uk. 216.99.243.128.in-addr.arpa domain name pointer wliiei2.nottingham.ac.uk. 217.99.243.128.in-addr.arpa domain name pointer plindzz.nottingham.ac.uk. 218.99.243.128.in-addr.arpa domain name pointer plihuzz.nottingham.ac.uk. 219.99.243.128.in-addr.arpa domain name pointer plitozz.nottingham.ac.uk. 220.99.243.128.in-addr.arpa domain name pointer plilind.smf.nottingham.ac.uk. 221.99.243.128.in-addr.arpa domain name pointer plipfzz.nottingham.ac.uk. 222.99.243.128.in-addr.arpa domain name pointer plisdzz.nottingham.ac.uk. 223.99.243.128.in-addr.arpa domain name pointer pliiwan.nottingham.ac.uk. 224.99.243.128.in-addr.arpa domain name pointer plitbzz.nottingham.ac.uk. 225.99.243.128.in-addr.arpa domain name pointer plepw05.nottingham.ac.uk. 226.99.243.128.in-addr.arpa domain name pointer pliiei1.nottingham.ac.uk. 227.99.243.128.in-addr.arpa domain name pointer wlima60.nottingham.ac.uk. 228.99.243.128.in-addr.arpa domain name pointer plirr1.nottingham.ac.uk. 229.99.243.128.in-addr.arpa domain name pointer plisp1.nottingham.ac.uk. 230.99.243.128.in-addr.arpa domain name pointer slilx1.nottingham.ac.uk. 231.99.243.128.in-addr.arpa domain name pointer plidm3.nottingham.ac.uk. 232.99.243.128.in-addr.arpa domain name pointer plivwb11.smf.nottingham.ac.uk. 233.99.243.128.in-addr.arpa domain name pointer plicezz.nottingham.ac.uk. 234.99.243.128.in-addr.arpa domain name pointer plipbzz.nottingham.ac.uk. 235.99.243.128.in-addr.arpa domain name pointer plirmc1.nottingham.ac.uk. 236.99.243.128.in-addr.arpa domain name pointer plisbs.nottingham.ac.uk. 237.99.243.128.in-addr.arpa domain name pointer plibart.nottingham.ac.uk. 238.99.243.128.in-addr.arpa domain name pointer plist0.nottingham.ac.uk. 239.99.243.128.in-addr.arpa domain name pointer plimnl1.nottingham.ac.uk. 240.99.243.128.in-addr.arpa domain name pointer plivr1.nottingham.ac.uk. 241.99.243.128.in-addr.arpa domain name pointer plicbzz.nottingham.ac.uk. 242.99.243.128.in-addr.arpa domain name pointer plisszz.nottingham.ac.uk. 243.99.243.128.in-addr.arpa domain name pointer plidvk1.smf.nottingham.ac.uk. 244.99.243.128.in-addr.arpa domain name pointer plismzz.nottingham.ac.uk. 245.99.243.128.in-addr.arpa domain name pointer plia72.nottingham.ac.uk. 246.99.243.128.in-addr.arpa domain name pointer pliniw4.nottingham.ac.uk. 247.99.243.128.in-addr.arpa domain name pointer pliiw1.nottingham.ac.uk. 248.99.243.128.in-addr.arpa domain name pointer xlib352.smf.nottingham.ac.uk. 249.99.243.128.in-addr.arpa domain name pointer plibhc7.smf.nottingham.ac.uk. 250.99.243.128.in-addr.arpa domain name pointer plijc1.nottingham.ac.uk. 251.99.243.128.in-addr.arpa domain name pointer pliyil1.smf.nottingham.ac.uk. 252.99.243.128.in-addr.arpa domain name pointer plicta2.nottingham.ac.uk. 253.99.243.128.in-addr.arpa domain name pointer plipmzz.nottingham.ac.uk. 254.99.243.128.in-addr.arpa domain name pointer plikn1.nottingham.ac.uk. Host 255.99.243.128.in-addr.arpa not found: 3(NXDOMAIN)