[0] 0.90.105.129.in-addr.arpa.: domain name does not exist
[14400] 1.90.105.129.in-addr.arpa. domain name pointer tech-idf-vln-537.northwestern.edu
[14400] 2.90.105.129.in-addr.arpa. domain name pointer tech-b129-hub-1.northwestern.edu
[14400] 3.90.105.129.in-addr.arpa. domain name pointer tech-mg17-hub-8.northwestern.edu
[0] 4.90.105.129.in-addr.arpa.: domain name does not exist
[0] 5.90.105.129.in-addr.arpa.: domain name does not exist
[14400] 6.90.105.129.in-addr.arpa. domain name pointer ds2.mech.northwestern.edu
[0] 7.90.105.129.in-addr.arpa.: domain name does not exist
[0] 8.90.105.129.in-addr.arpa.: domain name does not exist
[14400] 9.90.105.129.in-addr.arpa. domain name pointer d210printer.mech.northwestern.edu
[14400] 10.90.105.129.in-addr.arpa. domain name pointer mech-90-010.mech.northwestern.edu
[14400] 11.90.105.129.in-addr.arpa. domain name pointer mech-90-011.mech.northwestern.edu
[14400] 12.90.105.129.in-addr.arpa. domain name pointer mech-90-012.mech.northwestern.edu
[14400] 13.90.105.129.in-addr.arpa. domain name pointer mech-90-013.mech.northwestern.edu
[14400] 14.90.105.129.in-addr.arpa. domain name pointer mech-90-014.mech.northwestern.edu
[14400] 15.90.105.129.in-addr.arpa. domain name pointer mech-90-015.mech.northwestern.edu
[14400] 16.90.105.129.in-addr.arpa. domain name pointer mech-90-016.mech.northwestern.edu
[14400] 17.90.105.129.in-addr.arpa. domain name pointer mech-90-017.mech.northwestern.edu
[14400] 18.90.105.129.in-addr.arpa. domain name pointer mech-90-018.mech.northwestern.edu
[14400] 19.90.105.129.in-addr.arpa. domain name pointer mech-90-019.mech.northwestern.edu
[14400] 20.90.105.129.in-addr.arpa. domain name pointer mech-90-020.mech.northwestern.edu
[14400] 21.90.105.129.in-addr.arpa. domain name pointer mech-90-021.mech.northwestern.edu
[14400] 22.90.105.129.in-addr.arpa. domain name pointer mech-90-022.mech.northwestern.edu
[14400] 23.90.105.129.in-addr.arpa. domain name pointer mech-90-023.mech.northwestern.edu
[14400] 24.90.105.129.in-addr.arpa. domain name pointer mech-90-024.mech.northwestern.edu
[14400] 25.90.105.129.in-addr.arpa. domain name pointer mech-90-025.mech.northwestern.edu
[14400] 26.90.105.129.in-addr.arpa. domain name pointer mech-90-026.mech.northwestern.edu
[14400] 27.90.105.129.in-addr.arpa. domain name pointer mech-90-027.mech.northwestern.edu
[14400] 28.90.105.129.in-addr.arpa. domain name pointer mech-90-028.mech.northwestern.edu
[14400] 29.90.105.129.in-addr.arpa. domain name pointer mech-90-029.mech.northwestern.edu
[14400] 30.90.105.129.in-addr.arpa. domain name pointer mech-90-030.mech.northwestern.edu
[14400] 31.90.105.129.in-addr.arpa. domain name pointer mech-90-031.mech.northwestern.edu
[14400] 32.90.105.129.in-addr.arpa. domain name pointer mech-90-032.mech.northwestern.edu
[14400] 33.90.105.129.in-addr.arpa. domain name pointer mech-90-033.mech.northwestern.edu
[14400] 34.90.105.129.in-addr.arpa. domain name pointer mech-90-034.mech.northwestern.edu
[14400] 35.90.105.129.in-addr.arpa. domain name pointer mech-90-035.mech.northwestern.edu
[14400] 36.90.105.129.in-addr.arpa. domain name pointer mech-90-036.mech.northwestern.edu
[14400] 37.90.105.129.in-addr.arpa. domain name pointer mech-90-037.mech.northwestern.edu
[14400] 38.90.105.129.in-addr.arpa. domain name pointer mech-90-038.mech.northwestern.edu
[14400] 39.90.105.129.in-addr.arpa. domain name pointer mech-90-039.mech.northwestern.edu
[14400] 40.90.105.129.in-addr.arpa. domain name pointer mech-90-040.mech.northwestern.edu
[14400] 41.90.105.129.in-addr.arpa. domain name pointer mech-90-041.mech.northwestern.edu
[14400] 42.90.105.129.in-addr.arpa. domain name pointer mech-90-042.mech.northwestern.edu
[14400] 43.90.105.129.in-addr.arpa. domain name pointer mech-90-043.mech.northwestern.edu
[14400] 44.90.105.129.in-addr.arpa. domain name pointer mech-90-044.mech.northwestern.edu
[14400] 45.90.105.129.in-addr.arpa. domain name pointer mech-90-045.mech.northwestern.edu
[14400] 46.90.105.129.in-addr.arpa. domain name pointer mech-90-046.mech.northwestern.edu
[14400] 47.90.105.129.in-addr.arpa. domain name pointer mech-90-047.mech.northwestern.edu
[14400] 48.90.105.129.in-addr.arpa. domain name pointer mech-90-048.mech.northwestern.edu
[14400] 49.90.105.129.in-addr.arpa. domain name pointer mech-90-049.mech.northwestern.edu
[14400] 50.90.105.129.in-addr.arpa. domain name pointer mech-90-050.mech.northwestern.edu
[14400] 51.90.105.129.in-addr.arpa. domain name pointer mech-90-051.mech.northwestern.edu
[14400] 52.90.105.129.in-addr.arpa. domain name pointer mech-90-052.mech.northwestern.edu
[14400] 53.90.105.129.in-addr.arpa. domain name pointer mech-90-053.mech.northwestern.edu
[14400] 54.90.105.129.in-addr.arpa. domain name pointer mech-90-054.mech.northwestern.edu
[14400] 55.90.105.129.in-addr.arpa. domain name pointer mech-90-055.mech.northwestern.edu
[14400] 56.90.105.129.in-addr.arpa. domain name pointer mech-90-056.mech.northwestern.edu
[14400] 57.90.105.129.in-addr.arpa. domain name pointer mech-90-057.mech.northwestern.edu
[14400] 58.90.105.129.in-addr.arpa. domain name pointer mech-90-058.mech.northwestern.edu
[14400] 59.90.105.129.in-addr.arpa. domain name pointer mech-90-059.mech.northwestern.edu
[14400] 60.90.105.129.in-addr.arpa. domain name pointer mech-90-060.mech.northwestern.edu
[14400] 61.90.105.129.in-addr.arpa. domain name pointer mech-90-061.mech.northwestern.edu
[14400] 62.90.105.129.in-addr.arpa. domain name pointer mech-90-062.mech.northwestern.edu
[14400] 63.90.105.129.in-addr.arpa. domain name pointer mech-90-063.mech.northwestern.edu
[14400] 64.90.105.129.in-addr.arpa. domain name pointer mech-90-064.mech.northwestern.edu
[14400] 65.90.105.129.in-addr.arpa. domain name pointer mech-90-065.mech.northwestern.edu
[14400] 66.90.105.129.in-addr.arpa. domain name pointer mech-90-066.mech.northwestern.edu
[14400] 67.90.105.129.in-addr.arpa. domain name pointer mech-90-067.mech.northwestern.edu
[14400] 68.90.105.129.in-addr.arpa. domain name pointer mech-90-068.mech.northwestern.edu
[14400] 69.90.105.129.in-addr.arpa. domain name pointer mech-90-069.mech.northwestern.edu
[14400] 70.90.105.129.in-addr.arpa. domain name pointer mech-90-070.mech.northwestern.edu
[14400] 71.90.105.129.in-addr.arpa. domain name pointer mech-90-071.mech.northwestern.edu
[14400] 72.90.105.129.in-addr.arpa. domain name pointer mech-90-072.mech.northwestern.edu
[14400] 73.90.105.129.in-addr.arpa. domain name pointer mech-90-073.mech.northwestern.edu
[14400] 74.90.105.129.in-addr.arpa. domain name pointer mech-90-074.mech.northwestern.edu
[14400] 75.90.105.129.in-addr.arpa. domain name pointer mech-90-075.mech.northwestern.edu
[14400] 76.90.105.129.in-addr.arpa. domain name pointer mech-90-076.mech.northwestern.edu
[14400] 77.90.105.129.in-addr.arpa. domain name pointer mech-90-077.mech.northwestern.edu
[14400] 78.90.105.129.in-addr.arpa. domain name pointer mech-90-078.mech.northwestern.edu
[14400] 79.90.105.129.in-addr.arpa. domain name pointer mech-90-079.mech.northwestern.edu
[14400] 80.90.105.129.in-addr.arpa. domain name pointer mech-90-080.mech.northwestern.edu
[0] 81.90.105.129.in-addr.arpa.: domain name does not exist
[0] 82.90.105.129.in-addr.arpa.: domain name does not exist
[0] 83.90.105.129.in-addr.arpa.: domain name does not exist
[14400] 84.90.105.129.in-addr.arpa. domain name pointer craniata.mech.northwestern.edu
[14400] 85.90.105.129.in-addr.arpa. domain name pointer jurassic.mech.northwestern.edu
[14400] 86.90.105.129.in-addr.arpa. domain name pointer cambrian.mech.northwestern.edu
[14400] 87.90.105.129.in-addr.arpa. domain name pointer chordata.mech.northwestern.edu
[14400] 88.90.105.129.in-addr.arpa. domain name pointer bilateria.mech.northwestern.edu
[14400] 89.90.105.129.in-addr.arpa. domain name pointer ediacaran.mech.northwestern.edu
[14400] 90.90.105.129.in-addr.arpa. domain name pointer tam10.mech.northwestern.edu
[14400] 91.90.105.129.in-addr.arpa. domain name pointer pclablexmark.mech.northwestern.edu
[14400] 92.90.105.129.in-addr.arpa. domain name pointer b121-hplj4000.mech.northwestern.edu
[14400] 93.90.105.129.in-addr.arpa. domain name pointer b123-hplj4050n.mech.northwestern.edu
[14400] 94.90.105.129.in-addr.arpa. domain name pointer ampl01.mech.northwestern.edu
[14400] 95.90.105.129.in-addr.arpa. domain name pointer puma.mech.northwestern.edu
[14400] 96.90.105.129.in-addr.arpa. domain name pointer prim.mech.northwestern.edu
[14400] 97.90.105.129.in-addr.arpa. domain name pointer apsara.mech.northwestern.edu
[14400] 98.90.105.129.in-addr.arpa. domain name pointer berlin.mech.northwestern.edu
[14400] 99.90.105.129.in-addr.arpa. domain name pointer magellan.mech.northwestern.edu
[14400] 100.90.105.129.in-addr.arpa. domain name pointer pace-hp5000n.mech.northwestern.edu
[14400] 101.90.105.129.in-addr.arpa. domain name pointer pace-01.mech.northwestern.edu
[14400] 102.90.105.129.in-addr.arpa. domain name pointer pace-02.mech.northwestern.edu
[14400] 103.90.105.129.in-addr.arpa. domain name pointer pace-03.mech.northwestern.edu
[14400] 104.90.105.129.in-addr.arpa. domain name pointer pace-04.mech.northwestern.edu
[14400] 105.90.105.129.in-addr.arpa. domain name pointer pace-05.mech.northwestern.edu
[14400] 106.90.105.129.in-addr.arpa. domain name pointer pace-06.mech.northwestern.edu
[14400] 107.90.105.129.in-addr.arpa. domain name pointer pace-07.mech.northwestern.edu
[14400] 108.90.105.129.in-addr.arpa. domain name pointer pace-08.mech.northwestern.edu
[14400] 109.90.105.129.in-addr.arpa. domain name pointer pace-09.mech.northwestern.edu
[14400] 110.90.105.129.in-addr.arpa. domain name pointer pace-10.mech.northwestern.edu
[14400] 111.90.105.129.in-addr.arpa. domain name pointer pace-11.mech.northwestern.edu
[14400] 112.90.105.129.in-addr.arpa. domain name pointer pace-12.mech.northwestern.edu
[14400] 113.90.105.129.in-addr.arpa. domain name pointer pace-13.mech.northwestern.edu
[14400] 114.90.105.129.in-addr.arpa. domain name pointer pace-14.mech.northwestern.edu
[14400] 115.90.105.129.in-addr.arpa. domain name pointer pace-15.mech.northwestern.edu
[14400] 116.90.105.129.in-addr.arpa. domain name pointer pace-16.mech.northwestern.edu
[14400] 117.90.105.129.in-addr.arpa. domain name pointer pace-17.mech.northwestern.edu
[14400] 118.90.105.129.in-addr.arpa. domain name pointer pace-18.mech.northwestern.edu
[14400] 119.90.105.129.in-addr.arpa. domain name pointer pace-19.mech.northwestern.edu
[14400] 120.90.105.129.in-addr.arpa. domain name pointer pace-20.mech.northwestern.edu
[14400] 121.90.105.129.in-addr.arpa. domain name pointer pace-21.mech.northwestern.edu
[14400] 122.90.105.129.in-addr.arpa. domain name pointer pace-22.mech.northwestern.edu
[14400] 123.90.105.129.in-addr.arpa. domain name pointer pace-23.mech.northwestern.edu
[14400] 124.90.105.129.in-addr.arpa. domain name pointer pace-24.mech.northwestern.edu
[14400] 125.90.105.129.in-addr.arpa. domain name pointer pace-25.mech.northwestern.edu
[14400] 126.90.105.129.in-addr.arpa. domain name pointer pace-26.mech.northwestern.edu
[14400] 127.90.105.129.in-addr.arpa. domain name pointer cretaceous.mech.northwestern.edu
[14400] 128.90.105.129.in-addr.arpa. domain name pointer devonian.mech.northwestern.edu
[14400] 129.90.105.129.in-addr.arpa. domain name pointer ordovician.mech.northwestern.edu
[14400] 130.90.105.129.in-addr.arpa. domain name pointer silurian.mech.northwestern.edu
[14400] 131.90.105.129.in-addr.arpa. domain name pointer triassic.mech.northwestern.edu
[14400] 132.90.105.129.in-addr.arpa. domain name pointer nero.mech.northwestern.edu
[0] 133.90.105.129.in-addr.arpa.: domain name does not exist
[0] 134.90.105.129.in-addr.arpa.: domain name does not exist
[0] 135.90.105.129.in-addr.arpa.: domain name does not exist
[0] 136.90.105.129.in-addr.arpa.: domain name does not exist
[0] 137.90.105.129.in-addr.arpa.: domain name does not exist
[0] 138.90.105.129.in-addr.arpa.: domain name does not exist
[0] 139.90.105.129.in-addr.arpa.: domain name does not exist
[0] 140.90.105.129.in-addr.arpa.: domain name does not exist
[0] 141.90.105.129.in-addr.arpa.: domain name does not exist
[0] 142.90.105.129.in-addr.arpa.: domain name does not exist
[0] 143.90.105.129.in-addr.arpa.: domain name does not exist
[0] 144.90.105.129.in-addr.arpa.: domain name does not exist
[0] 145.90.105.129.in-addr.arpa.: domain name does not exist
[0] 146.90.105.129.in-addr.arpa.: domain name does not exist
[0] 147.90.105.129.in-addr.arpa.: domain name does not exist
[0] 148.90.105.129.in-addr.arpa.: domain name does not exist
[0] 149.90.105.129.in-addr.arpa.: domain name does not exist
[0] 150.90.105.129.in-addr.arpa.: domain name does not exist
[0] 151.90.105.129.in-addr.arpa.: domain name does not exist
[0] 152.90.105.129.in-addr.arpa.: domain name does not exist
[0] 153.90.105.129.in-addr.arpa.: domain name does not exist
[0] 154.90.105.129.in-addr.arpa.: domain name does not exist
[0] 155.90.105.129.in-addr.arpa.: domain name does not exist
[0] 156.90.105.129.in-addr.arpa.: domain name does not exist
[0] 157.90.105.129.in-addr.arpa.: domain name does not exist
[0] 158.90.105.129.in-addr.arpa.: domain name does not exist
[0] 159.90.105.129.in-addr.arpa.: domain name does not exist
[0] 160.90.105.129.in-addr.arpa.: domain name does not exist
[0] 161.90.105.129.in-addr.arpa.: domain name does not exist
[0] 162.90.105.129.in-addr.arpa.: domain name does not exist
[0] 163.90.105.129.in-addr.arpa.: domain name does not exist
[0] 164.90.105.129.in-addr.arpa.: domain name does not exist
[0] 165.90.105.129.in-addr.arpa.: domain name does not exist
[0] 166.90.105.129.in-addr.arpa.: domain name does not exist
[0] 167.90.105.129.in-addr.arpa.: domain name does not exist
[0] 168.90.105.129.in-addr.arpa.: domain name does not exist
[0] 169.90.105.129.in-addr.arpa.: domain name does not exist
[0] 170.90.105.129.in-addr.arpa.: domain name does not exist
[0] 171.90.105.129.in-addr.arpa.: domain name does not exist
[0] 172.90.105.129.in-addr.arpa.: domain name does not exist
[0] 173.90.105.129.in-addr.arpa.: domain name does not exist
[0] 174.90.105.129.in-addr.arpa.: domain name does not exist
[0] 175.90.105.129.in-addr.arpa.: domain name does not exist
[0] 176.90.105.129.in-addr.arpa.: domain name does not exist
[0] 177.90.105.129.in-addr.arpa.: domain name does not exist
[0] 178.90.105.129.in-addr.arpa.: domain name does not exist
[0] 179.90.105.129.in-addr.arpa.: domain name does not exist
[0] 180.90.105.129.in-addr.arpa.: domain name does not exist
[0] 181.90.105.129.in-addr.arpa.: domain name does not exist
[0] 182.90.105.129.in-addr.arpa.: domain name does not exist
[0] 183.90.105.129.in-addr.arpa.: domain name does not exist
[0] 184.90.105.129.in-addr.arpa.: domain name does not exist
[0] 185.90.105.129.in-addr.arpa.: domain name does not exist
[0] 186.90.105.129.in-addr.arpa.: domain name does not exist
[0] 187.90.105.129.in-addr.arpa.: domain name does not exist
[0] 188.90.105.129.in-addr.arpa.: domain name does not exist
[0] 189.90.105.129.in-addr.arpa.: domain name does not exist
[0] 190.90.105.129.in-addr.arpa.: domain name does not exist
[0] 191.90.105.129.in-addr.arpa.: domain name does not exist
[0] 192.90.105.129.in-addr.arpa.: domain name does not exist
[0] 193.90.105.129.in-addr.arpa.: domain name does not exist
[0] 194.90.105.129.in-addr.arpa.: domain name does not exist
[0] 195.90.105.129.in-addr.arpa.: domain name does not exist
[0] 196.90.105.129.in-addr.arpa.: domain name does not exist
[0] 197.90.105.129.in-addr.arpa.: domain name does not exist
[0] 198.90.105.129.in-addr.arpa.: domain name does not exist
[0] 199.90.105.129.in-addr.arpa.: domain name does not exist
[14400] 200.90.105.129.in-addr.arpa. domain name pointer mech-90-200.mech.northwestern.edu
[14400] 201.90.105.129.in-addr.arpa. domain name pointer mech-90-201.mech.northwestern.edu
[14400] 202.90.105.129.in-addr.arpa. domain name pointer mech-90-202.mech.northwestern.edu
[14400] 203.90.105.129.in-addr.arpa. domain name pointer mech-90-203.mech.northwestern.edu
[14400] 204.90.105.129.in-addr.arpa. domain name pointer mech-90-204.mech.northwestern.edu
[14400] 205.90.105.129.in-addr.arpa. domain name pointer mech-90-205.mech.northwestern.edu
[14400] 206.90.105.129.in-addr.arpa. domain name pointer mech-90-206.mech.northwestern.edu
[14400] 207.90.105.129.in-addr.arpa. domain name pointer mech-90-207.mech.northwestern.edu
[14400] 208.90.105.129.in-addr.arpa. domain name pointer mech-90-208.mech.northwestern.edu
[14400] 209.90.105.129.in-addr.arpa. domain name pointer mech-90-209.mech.northwestern.edu
[14400] 210.90.105.129.in-addr.arpa. domain name pointer mech-90-210.mech.northwestern.edu
[14400] 211.90.105.129.in-addr.arpa. domain name pointer mech-90-211.mech.northwestern.edu
[14400] 212.90.105.129.in-addr.arpa. domain name pointer mech-90-212.mech.northwestern.edu
[14400] 213.90.105.129.in-addr.arpa. domain name pointer mech-90-213.mech.northwestern.edu
[14400] 214.90.105.129.in-addr.arpa. domain name pointer mech-90-214.mech.northwestern.edu
[14400] 215.90.105.129.in-addr.arpa. domain name pointer mech-90-215.mech.northwestern.edu
[14400] 216.90.105.129.in-addr.arpa. domain name pointer mech-90-216.mech.northwestern.edu
[14400] 217.90.105.129.in-addr.arpa. domain name pointer mech-90-217.mech.northwestern.edu
[14400] 218.90.105.129.in-addr.arpa. domain name pointer mech-90-218.mech.northwestern.edu
[14400] 219.90.105.129.in-addr.arpa. domain name pointer mech-90-219.mech.northwestern.edu
[14400] 220.90.105.129.in-addr.arpa. domain name pointer mech-90-220.mech.northwestern.edu
[14400] 221.90.105.129.in-addr.arpa. domain name pointer mech-90-221.mech.northwestern.edu
[14400] 222.90.105.129.in-addr.arpa. domain name pointer mech-90-222.mech.northwestern.edu
[14400] 223.90.105.129.in-addr.arpa. domain name pointer mech-90-223.mech.northwestern.edu
[14400] 224.90.105.129.in-addr.arpa. domain name pointer mech-90-224.mech.northwestern.edu
[14400] 225.90.105.129.in-addr.arpa. domain name pointer mech-90-225.mech.northwestern.edu
[14400] 226.90.105.129.in-addr.arpa. domain name pointer mech-90-226.mech.northwestern.edu
[14400] 227.90.105.129.in-addr.arpa. domain name pointer mech-90-227.mech.northwestern.edu
[14400] 228.90.105.129.in-addr.arpa. domain name pointer mech-90-228.mech.northwestern.edu
[14400] 229.90.105.129.in-addr.arpa. domain name pointer mech-90-229.mech.northwestern.edu
[14400] 230.90.105.129.in-addr.arpa. domain name pointer mech-90-230.mech.northwestern.edu
[14400] 231.90.105.129.in-addr.arpa. domain name pointer mech-90-231.mech.northwestern.edu
[14400] 232.90.105.129.in-addr.arpa. domain name pointer mech-90-232.mech.northwestern.edu
[14400] 233.90.105.129.in-addr.arpa. domain name pointer mech-90-233.mech.northwestern.edu
[14400] 234.90.105.129.in-addr.arpa. domain name pointer mech-90-234.mech.northwestern.edu
[14400] 235.90.105.129.in-addr.arpa. domain name pointer mech-90-235.mech.northwestern.edu
[14400] 236.90.105.129.in-addr.arpa. domain name pointer mech-90-236.mech.northwestern.edu
[14400] 237.90.105.129.in-addr.arpa. domain name pointer mech-90-237.mech.northwestern.edu
[14400] 238.90.105.129.in-addr.arpa. domain name pointer mech-90-238.mech.northwestern.edu
[14400] 239.90.105.129.in-addr.arpa. domain name pointer mech-90-239.mech.northwestern.edu
[14400] 240.90.105.129.in-addr.arpa. domain name pointer mech-90-240.mech.northwestern.edu
[14400] 241.90.105.129.in-addr.arpa. domain name pointer mech-90-241.mech.northwestern.edu
[14400] 242.90.105.129.in-addr.arpa. domain name pointer mech-90-242.mech.northwestern.edu
[14400] 243.90.105.129.in-addr.arpa. domain name pointer mech-90-243.mech.northwestern.edu
[14400] 244.90.105.129.in-addr.arpa. domain name pointer mech-90-244.mech.northwestern.edu
[14400] 245.90.105.129.in-addr.arpa. domain name pointer mech-90-245.mech.northwestern.edu
[14400] 246.90.105.129.in-addr.arpa. domain name pointer mech-90-246.mech.northwestern.edu
[14400] 247.90.105.129.in-addr.arpa. domain name pointer mech-90-247.mech.northwestern.edu
[14400] 248.90.105.129.in-addr.arpa. domain name pointer mech-90-248.mech.northwestern.edu
[14400] 249.90.105.129.in-addr.arpa. domain name pointer mech-90-249.mech.northwestern.edu
[14400] 250.90.105.129.in-addr.arpa. domain name pointer mech-90-250.mech.northwestern.edu
[14400] 251.90.105.129.in-addr.arpa. domain name pointer mech-90-251.mech.northwestern.edu
[14400] 252.90.105.129.in-addr.arpa. domain name pointer mech-90-252.mech.northwestern.edu
[14400] 253.90.105.129.in-addr.arpa. domain name pointer mech-90-253.mech.northwestern.edu
[0] 254.90.105.129.in-addr.arpa.: domain name does not exist
[0] 255.90.105.129.in-addr.arpa.: domain name does not exist