[0] 0.51.235.132.in-addr.arpa.: domain name does not exist [0] 1.51.235.132.in-addr.arpa.: domain name does not exist [0] 2.51.235.132.in-addr.arpa.: domain name does not exist [3600] 3.51.235.132.in-addr.arpa. domain name pointer view-ss2.oit.ohio.edu [0] 4.51.235.132.in-addr.arpa.: domain name does not exist [0] 5.51.235.132.in-addr.arpa.: domain name does not exist [3600] 6.51.235.132.in-addr.arpa. domain name pointer awaprd.oit.ohio.edu [3600] 7.51.235.132.in-addr.arpa. domain name pointer oarnet-iperf.net.oit.ohio.edu [3600] 8.51.235.132.in-addr.arpa. domain name pointer asg.oit.ohio.edu [0] 9.51.235.132.in-addr.arpa.: domain name does not exist [3600] 10.51.235.132.in-addr.arpa. domain name pointer sav-console.oit.ohio.edu [3600] 11.51.235.132.in-addr.arpa. domain name pointer sav-relay1.oit.ohio.edu [3600] 12.51.235.132.in-addr.arpa. domain name pointer sav-relay2.oit.ohio.edu [0] 13.51.235.132.in-addr.arpa.: domain name does not exist [3600] 14.51.235.132.in-addr.arpa. domain name pointer mysql1-prod.oit.ohio.edu [3600] 15.51.235.132.in-addr.arpa. domain name pointer chat.test.oit.ohio.edu [3600] 16.51.235.132.in-addr.arpa. domain name pointer sav-update.oit.ohio.edu [3600] 17.51.235.132.in-addr.arpa. domain name pointer mx1.oit.ohio.edu [3600] 18.51.235.132.in-addr.arpa. domain name pointer smtpout1.oit.ohio.edu [3600] 19.51.235.132.in-addr.arpa. domain name pointer mx2.oit.ohio.edu [3600] 20.51.235.132.in-addr.arpa. domain name pointer smtpout2.oit.ohio.edu [3600] 21.51.235.132.in-addr.arpa. domain name pointer puppet.oit.ohio.edu [3600] 22.51.235.132.in-addr.arpa. domain name pointer cacti.sysops.oit.ohio.edu [0] 23.51.235.132.in-addr.arpa.: domain name does not exist [3600] 24.51.235.132.in-addr.arpa. domain name pointer mydesktop.ohio.edu [3600] 25.51.235.132.in-addr.arpa. domain name pointer console.oit.ohio.edu [0] 26.51.235.132.in-addr.arpa.: domain name does not exist [3600] 27.51.235.132.in-addr.arpa. domain name pointer oit-nscache1.ohio.edu [3600] 28.51.235.132.in-addr.arpa. domain name pointer oit-nscache2.ohio.edu [0] 29.51.235.132.in-addr.arpa.: temporary failure in name resolution [0] 30.51.235.132.in-addr.arpa.: temporary failure in name resolution [0] 31.51.235.132.in-addr.arpa.: domain name does not exist [0] 32.51.235.132.in-addr.arpa.: domain name does not exist [0] 33.51.235.132.in-addr.arpa.: temporary failure in name resolution [0] 34.51.235.132.in-addr.arpa.: domain name does not exist [3600] 35.51.235.132.in-addr.arpa. domain name pointer seimgw.sysops.oit.ohio.edu [3600] 36.51.235.132.in-addr.arpa. domain name pointer kudzu.oit.ohio.edu [3600] 37.51.235.132.in-addr.arpa. domain name pointer ad1.syslab.oit.ohio.edu [3600] 38.51.235.132.in-addr.arpa. domain name pointer ex1.syslab.oit.ohio.edu [3600] 39.51.235.132.in-addr.arpa. domain name pointer oit-sto-wp004.oit.ohio.edu [3600] 40.51.235.132.in-addr.arpa. domain name pointer util1.syslab.oit.ohio.edu [3600] 41.51.235.132.in-addr.arpa. domain name pointer edge1.sysops.oit.ohio.edu [3600] 42.51.235.132.in-addr.arpa. domain name pointer edge2.sysops.oit.ohio.edu [3600] 43.51.235.132.in-addr.arpa. domain name pointer csc-esrsgw.oit.ohio.edu director1b.sysops.oit.ohio.edu [3600] 44.51.235.132.in-addr.arpa. domain name pointer csc-esrspm.oit.ohio.edu director2b.sysops.oit.ohio.edu [0] 45.51.235.132.in-addr.arpa.: domain name does not exist [3600] 46.51.235.132.in-addr.arpa. domain name pointer appshare.ohio.edu [0] 47.51.235.132.in-addr.arpa.: domain name does not exist [0] 48.51.235.132.in-addr.arpa.: domain name does not exist [3600] 49.51.235.132.in-addr.arpa. domain name pointer dmx.sysops.oit.ohio.edu [0] 50.51.235.132.in-addr.arpa.: domain name does not exist [0] 51.51.235.132.in-addr.arpa.: domain name does not exist [0] 52.51.235.132.in-addr.arpa.: domain name does not exist [0] 53.51.235.132.in-addr.arpa.: domain name does not exist [3600] 54.51.235.132.in-addr.arpa. domain name pointer emcdm2.ohio.edu [3600] 55.51.235.132.in-addr.arpa. domain name pointer cifstest.ohio.edu [3600] 56.51.235.132.in-addr.arpa. domain name pointer nwsn2.sysops.oit.ohio.edu [3600] 57.51.235.132.in-addr.arpa. domain name pointer dasd.micros.ohiou.edu [3600] 58.51.235.132.in-addr.arpa. domain name pointer idmftp.oit.ohio.edu [3600] 59.51.235.132.in-addr.arpa. domain name pointer server1.micros.ohiou.edu [3600] 60.51.235.132.in-addr.arpa. domain name pointer server2.micros.ohiou.edu [3600] 61.51.235.132.in-addr.arpa. domain name pointer vtldl.sysops.oit.ohio.edu [3600] 62.51.235.132.in-addr.arpa. domain name pointer vtlspa.sysops.oit.ohio.edu [3600] 63.51.235.132.in-addr.arpa. domain name pointer vtlspb.sysops.oit.ohio.edu [3600] 64.51.235.132.in-addr.arpa. domain name pointer director1.sysops.oit.ohio.edu [3600] 65.51.235.132.in-addr.arpa. domain name pointer director2.sysops.oit.ohio.edu [3600] 66.51.235.132.in-addr.arpa. domain name pointer nasgw.sysops.oit.ohio.edu [3600] 67.51.235.132.in-addr.arpa. domain name pointer networker.sysops.oit.ohio.edu [3600] 68.51.235.132.in-addr.arpa. domain name pointer networker2.sysops.oit.ohio.edu [0] 69.51.235.132.in-addr.arpa.: domain name does not exist [3600] 70.51.235.132.in-addr.arpa. domain name pointer vm-s1.cats.ohiou.edu [0] 71.51.235.132.in-addr.arpa.: domain name does not exist [3600] 72.51.235.132.in-addr.arpa. domain name pointer netlogin.ohio.edu [3600] 73.51.235.132.in-addr.arpa. domain name pointer hudson.cns.ohio.edu [3600] 74.51.235.132.in-addr.arpa. domain name pointer smtp.ohio.edu [3600] 75.51.235.132.in-addr.arpa. domain name pointer google1.ohio.edu [3600] 76.51.235.132.in-addr.arpa. domain name pointer google2.ohio.edu [3600] 77.51.235.132.in-addr.arpa. domain name pointer login.sysops.oit.ohio.edu [3600] 78.51.235.132.in-addr.arpa. domain name pointer marionette.sysops.oit.ohio.edu [3600] 79.51.235.132.in-addr.arpa. domain name pointer hawk.security.oit.ohio.edu [3600] 80.51.235.132.in-addr.arpa. domain name pointer grunt.security.oit.ohio.edu [3600] 81.51.235.132.in-addr.arpa. domain name pointer flash.security.oit.ohio.edu [3600] 82.51.235.132.in-addr.arpa. domain name pointer audible.cns.ohiou.edu [3600] 83.51.235.132.in-addr.arpa. domain name pointer pfaccess.oit.ohio.edu [3600] 84.51.235.132.in-addr.arpa. domain name pointer vpnshare.ohio.edu [3600] 85.51.235.132.in-addr.arpa. domain name pointer view-conn1.oit.ohio.edu view.sysops.oit.ohio.edu [3600] 86.51.235.132.in-addr.arpa. domain name pointer sccmprd.oit.ohio.edu [3600] 87.51.235.132.in-addr.arpa. domain name pointer oit-radius1.ohio.edu [3600] 88.51.235.132.in-addr.arpa. domain name pointer keys.ohio.edu [3600] 89.51.235.132.in-addr.arpa. domain name pointer oit-cfg-wp002.oit.ohio.edu [3600] 90.51.235.132.in-addr.arpa. domain name pointer clutch.security.oit.ohio.edu [3600] 91.51.235.132.in-addr.arpa. domain name pointer webcalendar.cns.ohio.edu [0] 92.51.235.132.in-addr.arpa.: domain name does not exist [0] 93.51.235.132.in-addr.arpa.: domain name does not exist [0] 94.51.235.132.in-addr.arpa.: domain name does not exist [3600] 95.51.235.132.in-addr.arpa. domain name pointer netpoller.oit.ohio.edu [3600] 96.51.235.132.in-addr.arpa. domain name pointer panopto-data.oit.ohio.edu [3600] 97.51.235.132.in-addr.arpa. domain name pointer panopto-web.oit.ohio.edu [3600] 98.51.235.132.in-addr.arpa. domain name pointer scoop.security.oit.ohio.edu [3600] 99.51.235.132.in-addr.arpa. domain name pointer recoil.security.oit.ohio.edu [3600] 100.51.235.132.in-addr.arpa. domain name pointer jinx.security.oit.ohio.edu [3600] 101.51.235.132.in-addr.arpa. domain name pointer lecture-data.oit.ohio.edu [0] 102.51.235.132.in-addr.arpa.: domain name does not exist [3600] 103.51.235.132.in-addr.arpa. domain name pointer nwsn4.sysops.oit.ohio.edu [3600] 104.51.235.132.in-addr.arpa. domain name pointer lecturecapture.oit.ohio.edu [0] 105.51.235.132.in-addr.arpa.: domain name does not exist [0] 106.51.235.132.in-addr.arpa.: domain name does not exist [3600] 107.51.235.132.in-addr.arpa. domain name pointer or1.cats.ohio.edu [3600] 108.51.235.132.in-addr.arpa. domain name pointer tw.cns.ohio.edu [3600] 109.51.235.132.in-addr.arpa. domain name pointer legs.cns.ohio.edu [3600] 110.51.235.132.in-addr.arpa. domain name pointer mailrelay.oit.ohio.edu [3600] 111.51.235.132.in-addr.arpa. domain name pointer shibd.cns.ohio.edu [3600] 112.51.235.132.in-addr.arpa. domain name pointer webstats.oit.ohio.edu [3600] 113.51.235.132.in-addr.arpa. domain name pointer scanner1.cns.ohio.edu [0] 114.51.235.132.in-addr.arpa.: domain name does not exist [3600] 115.51.235.132.in-addr.arpa. domain name pointer lb3.cns.ohiou.edu [3600] 116.51.235.132.in-addr.arpa. domain name pointer lb4.cns.ohiou.edu [3600] 117.51.235.132.in-addr.arpa. domain name pointer ns40grepl.sysops.oit.ohio.edu [3600] 118.51.235.132.in-addr.arpa. domain name pointer guava1.cns.ohio.edu [3600] 119.51.235.132.in-addr.arpa. domain name pointer ldap-test.cns.ohio.edu [3600] 120.51.235.132.in-addr.arpa. domain name pointer audible.security.oit.ohio.edu [3600] 121.51.235.132.in-addr.arpa. domain name pointer shibboleth-test.ohio.edu [3600] 122.51.235.132.in-addr.arpa. domain name pointer scarlett.security.oit.ohio.edu [0] 123.51.235.132.in-addr.arpa.: domain name does not exist [3600] 124.51.235.132.in-addr.arpa. domain name pointer ib.cns.ohio.edu [3600] 125.51.235.132.in-addr.arpa. domain name pointer ib1.cns.ohio.edu [3600] 126.51.235.132.in-addr.arpa. domain name pointer ib1b.cns.ohio.edu [3600] 127.51.235.132.in-addr.arpa. domain name pointer ib2.cns.ohio.edu [3600] 128.51.235.132.in-addr.arpa. domain name pointer ib2b.cns.ohio.edu [3600] 129.51.235.132.in-addr.arpa. domain name pointer ib5.cns.ohio.edu [3600] 130.51.235.132.in-addr.arpa. domain name pointer breaker.security.oit.ohio.edu [3600] 131.51.235.132.in-addr.arpa. domain name pointer schedule-test.cns.ohiou.edu [3600] 132.51.235.132.in-addr.arpa. domain name pointer cd1ha.cns.ohiou.edu [3600] 133.51.235.132.in-addr.arpa. domain name pointer cd2ha.cns.ohiou.edu [3600] 134.51.235.132.in-addr.arpa. domain name pointer cherry.cns.ohiou.edu [3600] 135.51.235.132.in-addr.arpa. domain name pointer birch3a.cns.ohiou.edu [3600] 136.51.235.132.in-addr.arpa. domain name pointer www-test.cns.ohiou.edu [3600] 137.51.235.132.in-addr.arpa. domain name pointer snakeeyes.security.oit.ohio.edu [3600] 138.51.235.132.in-addr.arpa. domain name pointer nmi1.sysops.oit.ohio.edu [3600] 139.51.235.132.in-addr.arpa. domain name pointer sensorprobe8-x20.net.oit.ohio.edu [3600] 140.51.235.132.in-addr.arpa. domain name pointer monitor2.cns.ohiou.edu [3600] 141.51.235.132.in-addr.arpa. domain name pointer monitor3.cns.ohiou.edu [3600] 142.51.235.132.in-addr.arpa. domain name pointer vdr1.oit.ohio.edu [3600] 143.51.235.132.in-addr.arpa. domain name pointer im.cns.ohiou.edu [3600] 144.51.235.132.in-addr.arpa. domain name pointer emailmaint1.cns.ohiou.edu [3600] 145.51.235.132.in-addr.arpa. domain name pointer emailmaint2.cns.ohiou.edu [0] 146.51.235.132.in-addr.arpa.: domain name does not exist [0] 147.51.235.132.in-addr.arpa.: domain name does not exist [3600] 148.51.235.132.in-addr.arpa. domain name pointer mx.cns.ohiou.edu [3600] 149.51.235.132.in-addr.arpa. domain name pointer svn.oit.ohio.edu [0] 150.51.235.132.in-addr.arpa.: domain name does not exist [3600] 151.51.235.132.in-addr.arpa. domain name pointer dhcp-051-151.cns.ohiou.edu [3600] 152.51.235.132.in-addr.arpa. domain name pointer cd1.cns.ohiou.edu [3600] 153.51.235.132.in-addr.arpa. domain name pointer cd2.cns.ohiou.edu [3600] 154.51.235.132.in-addr.arpa. domain name pointer cd.cns.ohiou.edu [3600] 155.51.235.132.in-addr.arpa. domain name pointer shibboleth.ohiou.edu [3600] 156.51.235.132.in-addr.arpa. domain name pointer provision.cns.ohiou.edu [3600] 157.51.235.132.in-addr.arpa. domain name pointer birch.cns.ohiou.edu [3600] 158.51.235.132.in-addr.arpa. domain name pointer birch1a.cns.ohiou.edu [3600] 159.51.235.132.in-addr.arpa. domain name pointer birch2a.cns.ohiou.edu [3600] 160.51.235.132.in-addr.arpa. domain name pointer mango.cns.ohiou.edu [3600] 161.51.235.132.in-addr.arpa. domain name pointer sm.cns.ohiou.edu [3600] 162.51.235.132.in-addr.arpa. domain name pointer smmx.cns.ohiou.edu [3600] 163.51.235.132.in-addr.arpa. domain name pointer scanner4.security.oit.ohio.edu [3600] 164.51.235.132.in-addr.arpa. domain name pointer scanner5.security.oit.ohio.edu [3600] 165.51.235.132.in-addr.arpa. domain name pointer blackboard.ohiou.edu [0] 166.51.235.132.in-addr.arpa.: domain name does not exist [3600] 167.51.235.132.in-addr.arpa. domain name pointer blackboard-test.ohiou.edu [3600] 168.51.235.132.in-addr.arpa. domain name pointer blackboard-test.ohio.edu [0] 169.51.235.132.in-addr.arpa.: domain name does not exist [0] 170.51.235.132.in-addr.arpa.: domain name does not exist [0] 171.51.235.132.in-addr.arpa.: domain name does not exist [3600] 172.51.235.132.in-addr.arpa. domain name pointer bay.cats.ohiou.edu [3600] 173.51.235.132.in-addr.arpa. domain name pointer csc-gen.net.oit.ohio.edu [3600] 174.51.235.132.in-addr.arpa. domain name pointer alden-gen.net.oit.ohio.edu [3600] 175.51.235.132.in-addr.arpa. domain name pointer isissip.oit.ohio.edu [3600] 176.51.235.132.in-addr.arpa. domain name pointer isi-1.oit.ohio.edu [3600] 177.51.235.132.in-addr.arpa. domain name pointer isi-2.oit.ohio.edu [3600] 178.51.235.132.in-addr.arpa. domain name pointer isi-3.oit.ohio.edu [3600] 179.51.235.132.in-addr.arpa. domain name pointer isi-4.oit.ohio.edu [3600] 180.51.235.132.in-addr.arpa. domain name pointer isi-5.oit.ohio.edu [3600] 181.51.235.132.in-addr.arpa. domain name pointer isi-6.oit.ohio.edu [3600] 182.51.235.132.in-addr.arpa. domain name pointer isi-7.oit.ohio.edu [3600] 183.51.235.132.in-addr.arpa. domain name pointer isi-8.oit.ohio.edu [3600] 184.51.235.132.in-addr.arpa. domain name pointer isi-9.oit.ohio.edu [3600] 185.51.235.132.in-addr.arpa. domain name pointer isi-10.oit.ohio.edu [3600] 186.51.235.132.in-addr.arpa. domain name pointer isi-11.oit.ohio.edu [3600] 187.51.235.132.in-addr.arpa. domain name pointer isi-12.oit.ohio.edu [0] 188.51.235.132.in-addr.arpa.: domain name does not exist [0] 189.51.235.132.in-addr.arpa.: domain name does not exist [3600] 190.51.235.132.in-addr.arpa. domain name pointer pm.cns.ohiou.edu [3600] 191.51.235.132.in-addr.arpa. domain name pointer lb1.cns.ohiou.edu [3600] 192.51.235.132.in-addr.arpa. domain name pointer lb2.cns.ohiou.edu [3600] 193.51.235.132.in-addr.arpa. domain name pointer dustdevil.cns.ohiou.edu [3600] 194.51.235.132.in-addr.arpa. domain name pointer sma.cns.ohiou.edu [3600] 195.51.235.132.in-addr.arpa. domain name pointer netreg-prod.oit.ohio.edu [3600] 196.51.235.132.in-addr.arpa. domain name pointer nsnetreg.oit.ohio.edu [3600] 197.51.235.132.in-addr.arpa. domain name pointer quarantine.ohio.edu [0] 198.51.235.132.in-addr.arpa.: domain name does not exist [3600] 199.51.235.132.in-addr.arpa. domain name pointer formsreports.oit.ohio.edu [3600] 200.51.235.132.in-addr.arpa. domain name pointer nwsrv.sysops.oit.ohio.edu [3600] 201.51.235.132.in-addr.arpa. domain name pointer nwsn1.sysops.oit.ohio.edu [3600] 202.51.235.132.in-addr.arpa. domain name pointer oit-millerpxpvm.oit.ohio.edu [3600] 203.51.235.132.in-addr.arpa. domain name pointer sisdemo.syslab.oit.ohio.edu [3600] 204.51.235.132.in-addr.arpa. domain name pointer pswork.syslab.oit.ohio.edu [3600] 205.51.235.132.in-addr.arpa. domain name pointer pfaccess2.oit.ohio.edu [3600] 206.51.235.132.in-addr.arpa. domain name pointer scanner6.security.oit.ohio.edu [3600] 207.51.235.132.in-addr.arpa. domain name pointer csc-214-ss2.security.oit.ohio.edu [3600] 208.51.235.132.in-addr.arpa. domain name pointer mother.oit.ohio.edu [3600] 209.51.235.132.in-addr.arpa. domain name pointer smtpout.oit.ohio.edu [0] 210.51.235.132.in-addr.arpa.: domain name does not exist [3600] 211.51.235.132.in-addr.arpa. domain name pointer nmi-test.oit.ohio.edu [3600] 212.51.235.132.in-addr.arpa. domain name pointer sisapp1.syslab.oit.ohio.edu [3600] 213.51.235.132.in-addr.arpa. domain name pointer sisweb1.syslab.oit.ohio.edu [3600] 214.51.235.132.in-addr.arpa. domain name pointer sisdemo.syslab.oit.ohio.edu [3600] 215.51.235.132.in-addr.arpa. domain name pointer sisbat1.syslab.oit.ohio.edu [3600] 216.51.235.132.in-addr.arpa. domain name pointer sisvpn1.oit.ohio.edu [3600] 217.51.235.132.in-addr.arpa. domain name pointer csc-214-pix3b.oit.ohio.edu [3600] 218.51.235.132.in-addr.arpa. domain name pointer sisupk1.syslab.oit.ohio.edu [3600] 219.51.235.132.in-addr.arpa. domain name pointer sisapp2.syslab.oit.ohio.edu [3600] 220.51.235.132.in-addr.arpa. domain name pointer sisweb2.syslab.oit.ohio.edu [3600] 221.51.235.132.in-addr.arpa. domain name pointer sisftp.oit.ohio.edu [3600] 222.51.235.132.in-addr.arpa. domain name pointer technology-test.oit.ohio.edu [0] 223.51.235.132.in-addr.arpa.: domain name does not exist [3600] 224.51.235.132.in-addr.arpa. domain name pointer ohu-iperf2.net.oit.ohio.edu [3600] 225.51.235.132.in-addr.arpa. domain name pointer dhcp-051-225.cns.ohiou.edu [3600] 226.51.235.132.in-addr.arpa. domain name pointer dhcp-051-226.cns.ohiou.edu [3600] 227.51.235.132.in-addr.arpa. domain name pointer sisbat2.syslab.oit.ohio.edu [3600] 228.51.235.132.in-addr.arpa. domain name pointer flint.security.oit.ohio.edu [0] 229.51.235.132.in-addr.arpa.: domain name does not exist [3600] 230.51.235.132.in-addr.arpa. domain name pointer shared-ro.ohio.edu [0] 231.51.235.132.in-addr.arpa.: domain name does not exist [0] 232.51.235.132.in-addr.arpa.: domain name does not exist [0] 233.51.235.132.in-addr.arpa.: domain name does not exist [0] 234.51.235.132.in-addr.arpa.: domain name does not exist [0] 235.51.235.132.in-addr.arpa.: domain name does not exist [3600] 236.51.235.132.in-addr.arpa. domain name pointer wb-dvsport-srv.athletics.ohio.edu [3600] 237.51.235.132.in-addr.arpa. domain name pointer view-conn2.oit.ohio.edu [3600] 238.51.235.132.in-addr.arpa. domain name pointer csc-dc-fwsm2a.cns.ohiou.edu [3600] 239.51.235.132.in-addr.arpa. domain name pointer csc-dc-fwsm2s.cns.ohiou.edu [3600] 240.51.235.132.in-addr.arpa. domain name pointer dars.qa.oit.ohio.edu [3600] 241.51.235.132.in-addr.arpa. domain name pointer dars.oit.ohio.edu [0] 242.51.235.132.in-addr.arpa.: domain name does not exist [0] 243.51.235.132.in-addr.arpa.: domain name does not exist [3600] 244.51.235.132.in-addr.arpa. domain name pointer lb51.oit.ohio.edu [0] 245.51.235.132.in-addr.arpa.: domain name does not exist [0] 246.51.235.132.in-addr.arpa.: domain name does not exist [3600] 247.51.235.132.in-addr.arpa. domain name pointer lb51a.oit.ohio.edu [3600] 248.51.235.132.in-addr.arpa. domain name pointer lb51b.oit.ohio.edu [0] 249.51.235.132.in-addr.arpa.: domain name does not exist [0] 250.51.235.132.in-addr.arpa.: domain name does not exist [0] 251.51.235.132.in-addr.arpa.: domain name does not exist [3600] 252.51.235.132.in-addr.arpa. domain name pointer sn51-ald6600b.cns.ohiou.edu [3600] 253.51.235.132.in-addr.arpa. domain name pointer sn51-ald6600a.cns.ohiou.edu [3600] 254.51.235.132.in-addr.arpa. domain name pointer sn51-ald6600.cns.ohiou.edu [0] 255.51.235.132.in-addr.arpa.: domain name does not exist