[0] 0.155.115.140.in-addr.arpa.: domain name does not exist
[86400] 1.155.115.140.in-addr.arpa. domain name pointer www.crc.ncu.edu.tw
[86400] 2.155.115.140.in-addr.arpa. domain name pointer miller.csie.ncu.edu.tw
[86400] 3.155.115.140.in-addr.arpa. domain name pointer scorpious.csie.ncu.edu.tw
[86400] 4.155.115.140.in-addr.arpa. domain name pointer junjie.csie.ncu.edu.tw
[86400] 5.155.115.140.in-addr.arpa. domain name pointer dblab5.csie.ncu.edu.tw
[86400] 6.155.115.140.in-addr.arpa. domain name pointer dblab6.csie.ncu.edu.tw
[86400] 7.155.115.140.in-addr.arpa. domain name pointer dblab7.csie.ncu.edu.tw
[86400] 8.155.115.140.in-addr.arpa. domain name pointer dblab8.csie.ncu.edu.tw
[86400] 9.155.115.140.in-addr.arpa. domain name pointer dblab9.csie.ncu.edu.tw
[86400] 10.155.115.140.in-addr.arpa. domain name pointer ip.csie.ncu.edu.tw
[86400] 11.155.115.140.in-addr.arpa. domain name pointer IPLab.csie.ncu.edu.tw
[86400] 12.155.115.140.in-addr.arpa. domain name pointer ipvr12.csie.ncu.edu.tw
[86400] 13.155.115.140.in-addr.arpa. domain name pointer ipvr13.csie.ncu.edu.tw
[86400] 14.155.115.140.in-addr.arpa. domain name pointer ipvr14.csie.ncu.edu.tw
[86400] 15.155.115.140.in-addr.arpa. domain name pointer ipvr15.csie.ncu.edu.tw
[86400] 16.155.115.140.in-addr.arpa. domain name pointer ipvr16.csie.ncu.edu.tw
[86400] 17.155.115.140.in-addr.arpa. domain name pointer ipvr17.csie.ncu.edu.tw
[86400] 18.155.115.140.in-addr.arpa. domain name pointer ipvr18.csie.ncu.edu.tw
[86400] 19.155.115.140.in-addr.arpa. domain name pointer ipvr19.csie.ncu.edu.tw
[86400] 20.155.115.140.in-addr.arpa. domain name pointer ipvr20.csie.ncu.edu.tw
[86400] 21.155.115.140.in-addr.arpa. domain name pointer ipvr21.csie.ncu.edu.tw
[86400] 22.155.115.140.in-addr.arpa. domain name pointer ipvr22.csie.ncu.edu.tw
[86400] 23.155.115.140.in-addr.arpa. domain name pointer ipvr23.csie.ncu.edu.tw
[86400] 24.155.115.140.in-addr.arpa. domain name pointer ipvr24.csie.ncu.edu.tw
[86400] 25.155.115.140.in-addr.arpa. domain name pointer ipvr25.csie.ncu.edu.tw
[86400] 26.155.115.140.in-addr.arpa. domain name pointer ipvr26.csie.ncu.edu.tw
[86400] 27.155.115.140.in-addr.arpa. domain name pointer ipvr27.csie.ncu.edu.tw
[86400] 28.155.115.140.in-addr.arpa. domain name pointer ipvr28.csie.ncu.edu.tw
[86400] 29.155.115.140.in-addr.arpa. domain name pointer ipvr29.csie.ncu.edu.tw
[86400] 30.155.115.140.in-addr.arpa. domain name pointer ipvr30.csie.ncu.edu.tw
[86400] 31.155.115.140.in-addr.arpa. domain name pointer ipvr31.csie.ncu.edu.tw
[86400] 32.155.115.140.in-addr.arpa. domain name pointer ipvr32.csie.ncu.edu.tw
[86400] 33.155.115.140.in-addr.arpa. domain name pointer ipvr33.csie.ncu.edu.tw
[86400] 34.155.115.140.in-addr.arpa. domain name pointer ipvr34.csie.ncu.edu.tw
[86400] 35.155.115.140.in-addr.arpa. domain name pointer ipvr35.csie.ncu.edu.tw
[86400] 36.155.115.140.in-addr.arpa. domain name pointer ipvr36.csie.ncu.edu.tw
[86400] 37.155.115.140.in-addr.arpa. domain name pointer ipvr37.csie.ncu.edu.tw
[86400] 38.155.115.140.in-addr.arpa. domain name pointer ipvr38.csie.ncu.edu.tw
[86400] 39.155.115.140.in-addr.arpa. domain name pointer ipvr39.csie.ncu.edu.tw
[86400] 40.155.115.140.in-addr.arpa. domain name pointer ape-155-40.csie.ncu.edu.tw.155.115.140.in-addr.arpa
[86400] 41.155.115.140.in-addr.arpa. domain name pointer www.agilemethod.csie.ncu.edu.tw
[86400] 42.155.115.140.in-addr.arpa. domain name pointer ape-155-42.csie.ncu.edu.tw
[86400] 43.155.115.140.in-addr.arpa. domain name pointer ape-155-43.csie.ncu.edu.tw
[86400] 44.155.115.140.in-addr.arpa. domain name pointer ape-155-44.csie.ncu.edu.tw
[86400] 45.155.115.140.in-addr.arpa. domain name pointer ape-155-45.csie.ncu.edu.tw
[86400] 46.155.115.140.in-addr.arpa. domain name pointer ape-155-46.csie.ncu.edu.tw
[86400] 47.155.115.140.in-addr.arpa. domain name pointer ape-155-47.csie.ncu.edu.tw
[86400] 48.155.115.140.in-addr.arpa. domain name pointer ape-155-48.csie.ncu.edu.tw
[86400] 49.155.115.140.in-addr.arpa. domain name pointer ape-155-49.csie.ncu.edu.tw
[86400] 50.155.115.140.in-addr.arpa. domain name pointer miat-155-50.miat.csie.ncu.edu.tw
[86400] 51.155.115.140.in-addr.arpa. domain name pointer miat-155-51.miat.csie.ncu.edu.tw
[86400] 52.155.115.140.in-addr.arpa. domain name pointer miat-155-52.csie.ncu.edu.tw
[86400] 53.155.115.140.in-addr.arpa. domain name pointer miat.csie.ncu.edu.tw
[86400] 54.155.115.140.in-addr.arpa. domain name pointer miat-155-54.csie.ncu.edu.tw
[86400] 55.155.115.140.in-addr.arpa. domain name pointer miat-155-55.csie.ncu.edu.tw
[86400] 56.155.115.140.in-addr.arpa. domain name pointer miat-155-56.csie.ncu.edu.tw
[86400] 57.155.115.140.in-addr.arpa. domain name pointer miat-155-57.csie.ncu.edu.tw
[86400] 58.155.115.140.in-addr.arpa. domain name pointer miat-155-58.csie.ncu.edu.tw
[86400] 59.155.115.140.in-addr.arpa. domain name pointer miat-155-59.csie.ncu.edu.tw
[86400] 60.155.115.140.in-addr.arpa. domain name pointer miat-155-60.csie.ncu.edu.tw
[86400] 61.155.115.140.in-addr.arpa. domain name pointer miat-155-61.csie.ncu.edu.tw
[86400] 62.155.115.140.in-addr.arpa. domain name pointer miat-155-62.csie.ncu.edu.tw
[86400] 63.155.115.140.in-addr.arpa. domain name pointer miat-155-63.csie.ncu.edu.tw
[86400] 64.155.115.140.in-addr.arpa. domain name pointer miat-155-64.csie.ncu.edu.tw
[86400] 65.155.115.140.in-addr.arpa. domain name pointer miat-155-65.csie.ncu.edu.tw
[86400] 66.155.115.140.in-addr.arpa. domain name pointer miat-155-66.csie.ncu.edu.tw
[86400] 67.155.115.140.in-addr.arpa. domain name pointer miat-155-67.csie.ncu.edu.tw
[86400] 68.155.115.140.in-addr.arpa. domain name pointer miat-155-68.csie.ncu.edu.tw
[86400] 69.155.115.140.in-addr.arpa. domain name pointer miat-155-69.csie.ncu.edu.tw
[0] 70.155.115.140.in-addr.arpa.: domain name does not exist
[0] 71.155.115.140.in-addr.arpa.: domain name does not exist
[0] 72.155.115.140.in-addr.arpa.: domain name does not exist
[0] 73.155.115.140.in-addr.arpa.: domain name does not exist
[0] 74.155.115.140.in-addr.arpa.: domain name does not exist
[86400] 75.155.115.140.in-addr.arpa. domain name pointer dblab75.csie.ncu.edu.tw
[86400] 76.155.115.140.in-addr.arpa. domain name pointer dblab76.csie.ncu.edu.tw
[86400] 77.155.115.140.in-addr.arpa. domain name pointer dblab77.csie.ncu.edu.tw
[86400] 78.155.115.140.in-addr.arpa. domain name pointer dblab78.csie.ncu.edu.tw
[86400] 79.155.115.140.in-addr.arpa. domain name pointer dblab79.csie.ncu.edu.tw
[86400] 80.155.115.140.in-addr.arpa. domain name pointer vc3.csie.ncu.edu.tw
[86400] 81.155.115.140.in-addr.arpa. domain name pointer db81.csie.ncu.edu.tw
[86400] 82.155.115.140.in-addr.arpa. domain name pointer db82.csie.ncu.edu.tw
[86400] 83.155.115.140.in-addr.arpa. domain name pointer db83.csie.ncu.edu.tw
[86400] 84.155.115.140.in-addr.arpa. domain name pointer db84.csie.ncu.edu.tw
[86400] 85.155.115.140.in-addr.arpa. domain name pointer db85.csie.ncu.edu.tw
[86400] 86.155.115.140.in-addr.arpa. domain name pointer dblab86.csie.ncu.edu.tw
[86400] 87.155.115.140.in-addr.arpa. domain name pointer dblab87.csie.ncu.edu.tw
[86400] 88.155.115.140.in-addr.arpa. domain name pointer vc.csie.ncu.edu.tw
[86400] 89.155.115.140.in-addr.arpa. domain name pointer dblab89.csie.ncu.edu.tw
[86400] 90.155.115.140.in-addr.arpa. domain name pointer db90.csie.ncu.edu.tw
[86400] 91.155.115.140.in-addr.arpa. domain name pointer dblab91.csie.ncu.edu.tw
[86400] 92.155.115.140.in-addr.arpa. domain name pointer dblab92.csie.ncu.edu.tw
[86400] 93.155.115.140.in-addr.arpa. domain name pointer dblab93.csie.ncu.edu.tw
[86400] 94.155.115.140.in-addr.arpa. domain name pointer dblab94.csie.ncu.edu.tw
[86400] 95.155.115.140.in-addr.arpa. domain name pointer dblab95.csie.ncu.edu.tw
[86400] 96.155.115.140.in-addr.arpa. domain name pointer dblab96.csie.ncu.edu.tw
[86400] 97.155.115.140.in-addr.arpa. domain name pointer dblab97.csie.ncu.edu.tw
[86400] 98.155.115.140.in-addr.arpa. domain name pointer dblab98.csie.ncu.edu.tw
[86400] 99.155.115.140.in-addr.arpa. domain name pointer dblab99.csie.ncu.edu.tw
[86400] 100.155.115.140.in-addr.arpa. domain name pointer db100.csie.ncu.edu.tw
[86400] 101.155.115.140.in-addr.arpa. domain name pointer oolab101.csie.ncu.edu.tw
[86400] 102.155.115.140.in-addr.arpa. domain name pointer oolab102.csie.ncu.edu.tw
[86400] 103.155.115.140.in-addr.arpa. domain name pointer oolab103.csie.ncu.edu.tw
[86400] 104.155.115.140.in-addr.arpa. domain name pointer oolab104.csie.ncu.edu.tw
[86400] 105.155.115.140.in-addr.arpa. domain name pointer oolab105.csie.ncu.edu.tw
[86400] 106.155.115.140.in-addr.arpa. domain name pointer oolab106.csie.ncu.edu.tw
[86400] 107.155.115.140.in-addr.arpa. domain name pointer dbms104.csie.ncu.edu.tw
[86400] 108.155.115.140.in-addr.arpa. domain name pointer dblab108.csie.ncu.edu.tw
[86400] 109.155.115.140.in-addr.arpa. domain name pointer dblab109.csie.ncu.edu.tw
[86400] 110.155.115.140.in-addr.arpa. domain name pointer dblab110.csie.ncu.edu.tw
[86400] 111.155.115.140.in-addr.arpa. domain name pointer dblab111.csie.ncu.edu.tw
[86400] 112.155.115.140.in-addr.arpa. domain name pointer rgsminer.csie.ncu.edu.tw
[86400] 113.155.115.140.in-addr.arpa. domain name pointer prosplicer.csie.ncu.edu.tw
[86400] 114.155.115.140.in-addr.arpa. domain name pointer dblab114.csie.ncu.edu.tw
[86400] 115.155.115.140.in-addr.arpa. domain name pointer oolab115.csie.ncu.edu.tw
[86400] 116.155.115.140.in-addr.arpa. domain name pointer dblab116.csie.ncu.edu.tw
[86400] 117.155.115.140.in-addr.arpa. domain name pointer dblab117.csie.ncu.edu.tw
[86400] 118.155.115.140.in-addr.arpa. domain name pointer dblab118.csie.ncu.edu.tw
[86400] 119.155.115.140.in-addr.arpa. domain name pointer oolab119.csie.ncu.edu.tw
[86400] 120.155.115.140.in-addr.arpa. domain name pointer wm20.csie.ncu.edu.tw
[86400] 121.155.115.140.in-addr.arpa. domain name pointer wm21.csie.ncu.edu.tw
[86400] 122.155.115.140.in-addr.arpa. domain name pointer wm22.csie.ncu.edu.tw
[86400] 123.155.115.140.in-addr.arpa. domain name pointer cvs.wmlab.csie.ncu.edu.tw
[86400] 124.155.115.140.in-addr.arpa. domain name pointer wm24.csie.ncu.edu.tw
[86400] 125.155.115.140.in-addr.arpa. domain name pointer wm25.csie.ncu.edu.tw
[86400] 126.155.115.140.in-addr.arpa. domain name pointer ns2.wmlab.csie.ncu.edu.tw
[86400] 127.155.115.140.in-addr.arpa. domain name pointer wm27.csie.ncu.edu.tw
[86400] 128.155.115.140.in-addr.arpa. domain name pointer wm28.csie.ncu.edu.tw
[86400] 129.155.115.140.in-addr.arpa. domain name pointer hp4550.wmlab.csie.ncu.edu.tw
[86400] 130.155.115.140.in-addr.arpa. domain name pointer wm2000.csie.ncu.edu.tw
[86400] 131.155.115.140.in-addr.arpa. domain name pointer wap.wmlab.csie.ncu.edu.tw
[86400] 132.155.115.140.in-addr.arpa. domain name pointer wmsparc.csie.ncu.edu.tw
[86400] 133.155.115.140.in-addr.arpa. domain name pointer cdrw.wmlab.csie.ncu.edu.tw
[86400] 134.155.115.140.in-addr.arpa. domain name pointer wmlab.csie.ncu.edu.tw
[0] 135.155.115.140.in-addr.arpa.: domain name does not exist
[0] 136.155.115.140.in-addr.arpa.: domain name does not exist
[0] 137.155.115.140.in-addr.arpa.: domain name does not exist
[0] 138.155.115.140.in-addr.arpa.: domain name does not exist
[0] 139.155.115.140.in-addr.arpa.: domain name does not exist
[0] 140.155.115.140.in-addr.arpa.: domain name does not exist
[0] 141.155.115.140.in-addr.arpa.: domain name does not exist
[0] 142.155.115.140.in-addr.arpa.: domain name does not exist
[0] 143.155.115.140.in-addr.arpa.: domain name does not exist
[86400] 144.155.115.140.in-addr.arpa. domain name pointer oolab144.csie.ncu.edu.tw.155.115.140.in-addr.arpa
[86400] 145.155.115.140.in-addr.arpa. domain name pointer oolab145.csie.ncu.edu.tw.155.115.140.in-addr.arpa
[0] 146.155.115.140.in-addr.arpa.: domain name does not exist
[0] 147.155.115.140.in-addr.arpa.: domain name does not exist
[0] 148.155.115.140.in-addr.arpa.: domain name does not exist
[0] 149.155.115.140.in-addr.arpa.: domain name does not exist
[0] 150.155.115.140.in-addr.arpa.: domain name does not exist
[0] 151.155.115.140.in-addr.arpa.: domain name does not exist
[0] 152.155.115.140.in-addr.arpa.: domain name does not exist
[0] 153.155.115.140.in-addr.arpa.: domain name does not exist
[0] 154.155.115.140.in-addr.arpa.: domain name does not exist
[0] 155.155.115.140.in-addr.arpa.: domain name does not exist
[0] 156.155.115.140.in-addr.arpa.: domain name does not exist
[0] 157.155.115.140.in-addr.arpa.: domain name does not exist
[0] 158.155.115.140.in-addr.arpa.: domain name does not exist
[0] 159.155.115.140.in-addr.arpa.: domain name does not exist
[0] 160.155.115.140.in-addr.arpa.: domain name does not exist
[0] 161.155.115.140.in-addr.arpa.: domain name does not exist
[0] 162.155.115.140.in-addr.arpa.: domain name does not exist
[0] 163.155.115.140.in-addr.arpa.: domain name does not exist
[0] 164.155.115.140.in-addr.arpa.: domain name does not exist
[0] 165.155.115.140.in-addr.arpa.: domain name does not exist
[86400] 166.155.115.140.in-addr.arpa. domain name pointer wm166.csie.ncu.edu.tw
[86400] 167.155.115.140.in-addr.arpa. domain name pointer wm167.csie.ncu.edu.tw
[86400] 168.155.115.140.in-addr.arpa. domain name pointer wm168.csie.ncu.edu.tw
[86400] 169.155.115.140.in-addr.arpa. domain name pointer wm169.csie.ncu.edu.tw
[86400] 170.155.115.140.in-addr.arpa. domain name pointer wm170.csie.ncu.edu.tw
[86400] 171.155.115.140.in-addr.arpa. domain name pointer wm171.csie.ncu.edu.tw
[86400] 172.155.115.140.in-addr.arpa. domain name pointer wm172.csie.ncu.edu.tw
[86400] 173.155.115.140.in-addr.arpa. domain name pointer wm173.csie.ncu.edu.tw
[86400] 174.155.115.140.in-addr.arpa. domain name pointer wm174.csie.ncu.edu.tw
[0] 175.155.115.140.in-addr.arpa.: domain name does not exist
[0] 176.155.115.140.in-addr.arpa.: domain name does not exist
[0] 177.155.115.140.in-addr.arpa.: domain name does not exist
[0] 178.155.115.140.in-addr.arpa.: domain name does not exist
[0] 179.155.115.140.in-addr.arpa.: domain name does not exist
[86400] 180.155.115.140.in-addr.arpa. domain name pointer nw180.csie.ncu.edu.tw
[86400] 181.155.115.140.in-addr.arpa. domain name pointer nw181.csie.ncu.edu.tw
[86400] 182.155.115.140.in-addr.arpa. domain name pointer nw182.csie.ncu.edu.tw
[86400] 183.155.115.140.in-addr.arpa. domain name pointer nw183.csie.ncu.edu.tw
[86400] 184.155.115.140.in-addr.arpa. domain name pointer nw184.csie.ncu.edu.tw
[86400] 185.155.115.140.in-addr.arpa. domain name pointer nw185.csie.ncu.edu.tw
[86400] 186.155.115.140.in-addr.arpa. domain name pointer nw186.csie.ncu.edu.tw
[86400] 187.155.115.140.in-addr.arpa. domain name pointer nw187.csie.ncu.edu.tw
[86400] 188.155.115.140.in-addr.arpa. domain name pointer nw188.csie.ncu.edu.tw
[86400] 189.155.115.140.in-addr.arpa. domain name pointer nw189.csie.ncu.edu.tw
[86400] 190.155.115.140.in-addr.arpa. domain name pointer mobilesocial.csie.ncu.edu.tw
[86400] 191.155.115.140.in-addr.arpa. domain name pointer nw191.csie.ncu.edu.tw
[86400] 192.155.115.140.in-addr.arpa. domain name pointer nw192.csie.ncu.edu.tw
[86400] 193.155.115.140.in-addr.arpa. domain name pointer nw193.csie.ncu.edu.tw
[86400] 194.155.115.140.in-addr.arpa. domain name pointer nw194.csie.ncu.edu.tw
[86400] 195.155.115.140.in-addr.arpa. domain name pointer nw195.csie.ncu.edu.tw
[86400] 196.155.115.140.in-addr.arpa. domain name pointer nw196.csie.ncu.edu.tw
[86400] 197.155.115.140.in-addr.arpa. domain name pointer rabbit.csie.ncu.edu.tw
[86400] 198.155.115.140.in-addr.arpa. domain name pointer net.csie.ncu.edu.tw
[86400] 199.155.115.140.in-addr.arpa. domain name pointer networklab.csie.ncu.edu.tw
[0] 200.155.115.140.in-addr.arpa.: domain name does not exist
[0] 201.155.115.140.in-addr.arpa.: domain name does not exist
[0] 202.155.115.140.in-addr.arpa.: domain name does not exist
[0] 203.155.115.140.in-addr.arpa.: domain name does not exist
[0] 204.155.115.140.in-addr.arpa.: domain name does not exist
[0] 205.155.115.140.in-addr.arpa.: domain name does not exist
[0] 206.155.115.140.in-addr.arpa.: domain name does not exist
[0] 207.155.115.140.in-addr.arpa.: domain name does not exist
[0] 208.155.115.140.in-addr.arpa.: domain name does not exist
[0] 209.155.115.140.in-addr.arpa.: domain name does not exist
[0] 210.155.115.140.in-addr.arpa.: domain name does not exist
[0] 211.155.115.140.in-addr.arpa.: domain name does not exist
[0] 212.155.115.140.in-addr.arpa.: domain name does not exist
[0] 213.155.115.140.in-addr.arpa.: domain name does not exist
[0] 214.155.115.140.in-addr.arpa.: domain name does not exist
[0] 215.155.115.140.in-addr.arpa.: domain name does not exist
[0] 216.155.115.140.in-addr.arpa.: domain name does not exist
[0] 217.155.115.140.in-addr.arpa.: domain name does not exist
[0] 218.155.115.140.in-addr.arpa.: domain name does not exist
[0] 219.155.115.140.in-addr.arpa.: domain name does not exist
[0] 220.155.115.140.in-addr.arpa.: domain name does not exist
[86400] 221.155.115.140.in-addr.arpa. domain name pointer vaplab.ce.ncu.edu.tw
[0] 222.155.115.140.in-addr.arpa.: domain name does not exist
[0] 223.155.115.140.in-addr.arpa.: domain name does not exist
[0] 224.155.115.140.in-addr.arpa.: domain name does not exist
[0] 225.155.115.140.in-addr.arpa.: domain name does not exist
[0] 226.155.115.140.in-addr.arpa.: domain name does not exist
[0] 227.155.115.140.in-addr.arpa.: domain name does not exist
[0] 228.155.115.140.in-addr.arpa.: domain name does not exist
[0] 229.155.115.140.in-addr.arpa.: domain name does not exist
[0] 230.155.115.140.in-addr.arpa.: domain name does not exist
[0] 231.155.115.140.in-addr.arpa.: domain name does not exist
[0] 232.155.115.140.in-addr.arpa.: domain name does not exist
[0] 233.155.115.140.in-addr.arpa.: domain name does not exist
[0] 234.155.115.140.in-addr.arpa.: domain name does not exist
[0] 235.155.115.140.in-addr.arpa.: domain name does not exist
[0] 236.155.115.140.in-addr.arpa.: domain name does not exist
[0] 237.155.115.140.in-addr.arpa.: domain name does not exist
[0] 238.155.115.140.in-addr.arpa.: domain name does not exist
[0] 239.155.115.140.in-addr.arpa.: domain name does not exist
[0] 240.155.115.140.in-addr.arpa.: domain name does not exist
[0] 241.155.115.140.in-addr.arpa.: domain name does not exist
[0] 242.155.115.140.in-addr.arpa.: domain name does not exist
[0] 243.155.115.140.in-addr.arpa.: domain name does not exist
[0] 244.155.115.140.in-addr.arpa.: domain name does not exist
[0] 245.155.115.140.in-addr.arpa.: domain name does not exist
[0] 246.155.115.140.in-addr.arpa.: domain name does not exist
[0] 247.155.115.140.in-addr.arpa.: domain name does not exist
[0] 248.155.115.140.in-addr.arpa.: domain name does not exist
[0] 249.155.115.140.in-addr.arpa.: domain name does not exist
[0] 250.155.115.140.in-addr.arpa.: domain name does not exist
[0] 251.155.115.140.in-addr.arpa.: domain name does not exist
[0] 252.155.115.140.in-addr.arpa.: domain name does not exist
[0] 253.155.115.140.in-addr.arpa.: domain name does not exist
[0] 254.155.115.140.in-addr.arpa.: domain name does not exist
[0] 255.155.115.140.in-addr.arpa.: domain name does not exist