[0] 0.219.94.160.in-addr.arpa.: domain name does not exist
[0] 1.219.94.160.in-addr.arpa.: domain name does not exist
[0] 2.219.94.160.in-addr.arpa.: domain name does not exist
[0] 3.219.94.160.in-addr.arpa.: domain name does not exist
[0] 4.219.94.160.in-addr.arpa.: domain name does not exist
[0] 5.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 6.219.94.160.in-addr.arpa. domain name pointer TelecomB-BR-01-Anchor.ggnet.umn.edu
[0] 7.219.94.160.in-addr.arpa.: domain name does not exist
[0] 8.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 9.219.94.160.in-addr.arpa. domain name pointer c219-9.dhcp.umn.edu
[18000] 10.219.94.160.in-addr.arpa. domain name pointer c219-10.dhcp.umn.edu
[18000] 11.219.94.160.in-addr.arpa. domain name pointer c219-11.dhcp.umn.edu
[18000] 12.219.94.160.in-addr.arpa. domain name pointer c219-12.dhcp.umn.edu
[18000] 13.219.94.160.in-addr.arpa. domain name pointer c219-13.dhcp.umn.edu
[18000] 14.219.94.160.in-addr.arpa. domain name pointer MCB-CN-01-Vlan-651.ggnet.umn.edu
[0] 15.219.94.160.in-addr.arpa.: domain name does not exist
[0] 16.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 17.219.94.160.in-addr.arpa. domain name pointer c219-17.dhcp.umn.edu
[18000] 18.219.94.160.in-addr.arpa. domain name pointer c219-18.dhcp.umn.edu
[18000] 19.219.94.160.in-addr.arpa. domain name pointer x94-219-19.dhcp.umn.edu
[18000] 20.219.94.160.in-addr.arpa. domain name pointer c219-20.dhcp.umn.edu
[18000] 21.219.94.160.in-addr.arpa. domain name pointer c219-21.dhcp.umn.edu
[18000] 22.219.94.160.in-addr.arpa. domain name pointer MCB-CN-01-Vlan-652.ggnet.umn.edu
[0] 23.219.94.160.in-addr.arpa.: domain name does not exist
[0] 24.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 25.219.94.160.in-addr.arpa. domain name pointer c219-25.dhcp.umn.edu
[18000] 26.219.94.160.in-addr.arpa. domain name pointer c219-26.dhcp.umn.edu
[18000] 27.219.94.160.in-addr.arpa. domain name pointer c219-27.dhcp.umn.edu
[18000] 28.219.94.160.in-addr.arpa. domain name pointer c219-28.dhcp.umn.edu
[18000] 29.219.94.160.in-addr.arpa. domain name pointer c219-29.dhcp.umn.edu
[18000] 30.219.94.160.in-addr.arpa. domain name pointer MCB-CN-01-Vlan-653.ggnet.umn.edu
[0] 31.219.94.160.in-addr.arpa.: domain name does not exist
[0] 32.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 33.219.94.160.in-addr.arpa. domain name pointer c219-33.dhcp.umn.edu
[18000] 34.219.94.160.in-addr.arpa. domain name pointer c219-34.dhcp.umn.edu
[18000] 35.219.94.160.in-addr.arpa. domain name pointer c219-35.dhcp.umn.edu
[18000] 36.219.94.160.in-addr.arpa. domain name pointer c219-36.dhcp.umn.edu
[18000] 37.219.94.160.in-addr.arpa. domain name pointer c219-37.dhcp.umn.edu
[18000] 38.219.94.160.in-addr.arpa. domain name pointer MCB-CN-01-Vlan-654.ggnet.umn.edu
[0] 39.219.94.160.in-addr.arpa.: domain name does not exist
[0] 40.219.94.160.in-addr.arpa.: domain name does not exist
[0] 41.219.94.160.in-addr.arpa.: domain name does not exist
[0] 42.219.94.160.in-addr.arpa.: domain name does not exist
[0] 43.219.94.160.in-addr.arpa.: domain name does not exist
[0] 44.219.94.160.in-addr.arpa.: domain name does not exist
[0] 45.219.94.160.in-addr.arpa.: domain name does not exist
[0] 46.219.94.160.in-addr.arpa.: domain name does not exist
[0] 47.219.94.160.in-addr.arpa.: domain name does not exist
[0] 48.219.94.160.in-addr.arpa.: domain name does not exist
[0] 49.219.94.160.in-addr.arpa.: domain name does not exist
[0] 50.219.94.160.in-addr.arpa.: domain name does not exist
[0] 51.219.94.160.in-addr.arpa.: domain name does not exist
[0] 52.219.94.160.in-addr.arpa.: domain name does not exist
[0] 53.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 54.219.94.160.in-addr.arpa. domain name pointer wbob-1-rsmxx.rswitch.umn.edu
[0] 55.219.94.160.in-addr.arpa.: domain name does not exist
[0] 56.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 57.219.94.160.in-addr.arpa. domain name pointer c219-57.dhcp.umn.edu
[18000] 58.219.94.160.in-addr.arpa. domain name pointer c219-58.dhcp.umn.edu
[18000] 59.219.94.160.in-addr.arpa. domain name pointer c219-59.dhcp.umn.edu
[18000] 60.219.94.160.in-addr.arpa. domain name pointer c219-60.dhcp.umn.edu
[18000] 61.219.94.160.in-addr.arpa. domain name pointer c219-61.dhcp.umn.edu
[18000] 62.219.94.160.in-addr.arpa. domain name pointer MCB-CN-01-Vlan-657.ggnet.umn.edu
[0] 63.219.94.160.in-addr.arpa.: domain name does not exist
[0] 64.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 65.219.94.160.in-addr.arpa. domain name pointer c219-65.dhcp.umn.edu
[18000] 66.219.94.160.in-addr.arpa. domain name pointer x94-219-66-dhcp.dhcp.umn.edu
[18000] 67.219.94.160.in-addr.arpa. domain name pointer c219-67.dhcp.umn.edu
[18000] 68.219.94.160.in-addr.arpa. domain name pointer c219-68.dhcp.umn.edu
[18000] 69.219.94.160.in-addr.arpa. domain name pointer c219-69.dhcp.umn.edu
[18000] 70.219.94.160.in-addr.arpa. domain name pointer MCB-CN-01-Vlan-658.ggnet.umn.edu
[0] 71.219.94.160.in-addr.arpa.: domain name does not exist
[0] 72.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 73.219.94.160.in-addr.arpa. domain name pointer c219-73.dhcp.umn.edu
[18000] 74.219.94.160.in-addr.arpa. domain name pointer c219-74.dhcp.umn.edu
[18000] 75.219.94.160.in-addr.arpa. domain name pointer c219-75.dhcp.umn.edu
[18000] 76.219.94.160.in-addr.arpa. domain name pointer c219-76.dhcp.umn.edu
[18000] 77.219.94.160.in-addr.arpa. domain name pointer c219-77.dhcp.umn.edu
[18000] 78.219.94.160.in-addr.arpa. domain name pointer MCB-CN-01-Vlan-659.ggnet.umn.edu
[0] 79.219.94.160.in-addr.arpa.: domain name does not exist
[0] 80.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 81.219.94.160.in-addr.arpa. domain name pointer x94-219-81.spdesktops.umn.edu
[0] 82.219.94.160.in-addr.arpa.: domain name does not exist
[0] 83.219.94.160.in-addr.arpa.: domain name does not exist
[0] 84.219.94.160.in-addr.arpa.: domain name does not exist
[0] 85.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 86.219.94.160.in-addr.arpa. domain name pointer BioAgeng-CN-01-Vlan-816.ggnet.umn.edu
[0] 87.219.94.160.in-addr.arpa.: domain name does not exist
[0] 88.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 89.219.94.160.in-addr.arpa. domain name pointer x94-219-89.ej1214.umn.edu
[0] 90.219.94.160.in-addr.arpa.: domain name does not exist
[0] 91.219.94.160.in-addr.arpa.: domain name does not exist
[0] 92.219.94.160.in-addr.arpa.: domain name does not exist
[0] 93.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 94.219.94.160.in-addr.arpa. domain name pointer RegisCtr-CN-01-Vlan-770.ggnet.umn.edu
[0] 95.219.94.160.in-addr.arpa.: domain name does not exist
[0] 96.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 97.219.94.160.in-addr.arpa. domain name pointer c219-97.dhcp.umn.edu
[18000] 98.219.94.160.in-addr.arpa. domain name pointer c219-98.dhcp.umn.edu
[18000] 99.219.94.160.in-addr.arpa. domain name pointer c219-99.dhcp.umn.edu
[18000] 100.219.94.160.in-addr.arpa. domain name pointer c219-100.dhcp.umn.edu
[18000] 101.219.94.160.in-addr.arpa. domain name pointer c219-101.dhcp.umn.edu
[18000] 102.219.94.160.in-addr.arpa. domain name pointer MCB-CN-01-Vlan-660.ggnet.umn.edu
[0] 103.219.94.160.in-addr.arpa.: domain name does not exist
[0] 104.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 105.219.94.160.in-addr.arpa. domain name pointer c219-105.dhcp.umn.edu
[18000] 106.219.94.160.in-addr.arpa. domain name pointer c219-106.dhcp.umn.edu
[18000] 107.219.94.160.in-addr.arpa. domain name pointer c219-107.dhcp.umn.edu
[18000] 108.219.94.160.in-addr.arpa. domain name pointer c219-108.dhcp.umn.edu
[18000] 109.219.94.160.in-addr.arpa. domain name pointer c219-109.dhcp.umn.edu
[18000] 110.219.94.160.in-addr.arpa. domain name pointer HellerH-CN-01-Vlan-797.ggnet.umn.edu
[0] 111.219.94.160.in-addr.arpa.: domain name does not exist
[0] 112.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 113.219.94.160.in-addr.arpa. domain name pointer c219-113.dhcp.umn.edu
[18000] 114.219.94.160.in-addr.arpa. domain name pointer c219-114.dhcp.umn.edu
[18000] 115.219.94.160.in-addr.arpa. domain name pointer c219-115.dhcp.umn.edu
[18000] 116.219.94.160.in-addr.arpa. domain name pointer c219-116.dhcp.umn.edu
[18000] 117.219.94.160.in-addr.arpa. domain name pointer c219-117.dhcp.umn.edu
[18000] 118.219.94.160.in-addr.arpa. domain name pointer c219-118.dhcp.umn.edu
[18000] 119.219.94.160.in-addr.arpa. domain name pointer x219-119.dhcp.umn.edu
[18000] 120.219.94.160.in-addr.arpa. domain name pointer x219-120.dhcp.umn.edu
[18000] 121.219.94.160.in-addr.arpa. domain name pointer c219-121.dhcp.umn.edu
[18000] 122.219.94.160.in-addr.arpa. domain name pointer c219-122.dhcp.umn.edu
[18000] 123.219.94.160.in-addr.arpa. domain name pointer c219-123.dhcp.umn.edu
[18000] 124.219.94.160.in-addr.arpa. domain name pointer c219-124.ggnet.umn.edu
[18000] 125.219.94.160.in-addr.arpa. domain name pointer c219-125.dhcp.umn.edu
[18000] 126.219.94.160.in-addr.arpa. domain name pointer MCB-CN-01-Vlan-672.ggnet.umn.edu
[0] 127.219.94.160.in-addr.arpa.: domain name does not exist
[0] 128.219.94.160.in-addr.arpa.: domain name does not exist
[0] 129.219.94.160.in-addr.arpa.: domain name does not exist
[0] 130.219.94.160.in-addr.arpa.: domain name does not exist
[0] 131.219.94.160.in-addr.arpa.: domain name does not exist
[0] 132.219.94.160.in-addr.arpa.: domain name does not exist
[0] 133.219.94.160.in-addr.arpa.: domain name does not exist
[0] 134.219.94.160.in-addr.arpa.: domain name does not exist
[0] 135.219.94.160.in-addr.arpa.: domain name does not exist
[0] 136.219.94.160.in-addr.arpa.: domain name does not exist
[0] 137.219.94.160.in-addr.arpa.: domain name does not exist
[0] 138.219.94.160.in-addr.arpa.: domain name does not exist
[0] 139.219.94.160.in-addr.arpa.: domain name does not exist
[0] 140.219.94.160.in-addr.arpa.: domain name does not exist
[0] 141.219.94.160.in-addr.arpa.: domain name does not exist
[0] 142.219.94.160.in-addr.arpa.: domain name does not exist
[0] 143.219.94.160.in-addr.arpa.: domain name does not exist
[0] 144.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 145.219.94.160.in-addr.arpa. domain name pointer c219-145.dhcp.umn.edu
[18000] 146.219.94.160.in-addr.arpa. domain name pointer c219-146.dhcp.umn.edu
[18000] 147.219.94.160.in-addr.arpa. domain name pointer c219-147.dhcp.umn.edu
[18000] 148.219.94.160.in-addr.arpa. domain name pointer c219-148.dhcp.umn.edu
[18000] 149.219.94.160.in-addr.arpa. domain name pointer c219-149.dhcp.umn.edu
[18000] 150.219.94.160.in-addr.arpa. domain name pointer c219-150.dhcp.umn.edu
[18000] 151.219.94.160.in-addr.arpa. domain name pointer x219-151.dhcp.umn.edu
[18000] 152.219.94.160.in-addr.arpa. domain name pointer x219-152.dhcp.umn.edu
[18000] 153.219.94.160.in-addr.arpa. domain name pointer c219-153.dhcp.umn.edu
[18000] 154.219.94.160.in-addr.arpa. domain name pointer c219-154.dhcp.umn.edu
[18000] 155.219.94.160.in-addr.arpa. domain name pointer c219-155.dhcp.umn.edu
[18000] 156.219.94.160.in-addr.arpa. domain name pointer c219-156.dhcp.umn.edu
[18000] 157.219.94.160.in-addr.arpa. domain name pointer c219-157.dhcp.umn.edu
[18000] 158.219.94.160.in-addr.arpa. domain name pointer HellerH-CN-01-Vlan-785.ggnet.umn.edu
[0] 159.219.94.160.in-addr.arpa.: domain name does not exist
[0] 160.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 161.219.94.160.in-addr.arpa. domain name pointer x94-219-161.dhcp.umn.edu
[18000] 162.219.94.160.in-addr.arpa. domain name pointer x94-219-162.dhcp.umn.edu
[18000] 163.219.94.160.in-addr.arpa. domain name pointer x94-219-163.dhcp.umn.edu
[18000] 164.219.94.160.in-addr.arpa. domain name pointer x94-219-164.dhcp.umn.edu
[18000] 165.219.94.160.in-addr.arpa. domain name pointer x94-219-165.dhcp.umn.edu
[18000] 166.219.94.160.in-addr.arpa. domain name pointer x94-219-166.dhcp.umn.edu
[18000] 167.219.94.160.in-addr.arpa. domain name pointer x94-219-167.dhcp.umn.edu
[18000] 168.219.94.160.in-addr.arpa. domain name pointer x94-219-168.dhcp.umn.edu
[18000] 169.219.94.160.in-addr.arpa. domain name pointer x94-219-169.dhcp.umn.edu
[18000] 170.219.94.160.in-addr.arpa. domain name pointer x94-219-170.dhcp.umn.edu
[18000] 171.219.94.160.in-addr.arpa. domain name pointer x94-219-171.dhcp.umn.edu
[18000] 172.219.94.160.in-addr.arpa. domain name pointer x94-219-172.dhcp.umn.edu
[18000] 173.219.94.160.in-addr.arpa. domain name pointer x94-219-173.dhcp.umn.edu
[18000] 174.219.94.160.in-addr.arpa. domain name pointer PSB-CN-01-Vlan-762.ggnet.umn.edu
[0] 175.219.94.160.in-addr.arpa.: domain name does not exist
[0] 176.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 177.219.94.160.in-addr.arpa. domain name pointer c219-177.dhcp.umn.edu
[18000] 178.219.94.160.in-addr.arpa. domain name pointer c219-178.dhcp.umn.edu
[18000] 179.219.94.160.in-addr.arpa. domain name pointer c219-179.dhcp.umn.edu
[18000] 180.219.94.160.in-addr.arpa. domain name pointer c219-180.dhcp.umn.edu
[18000] 181.219.94.160.in-addr.arpa. domain name pointer c219-181.dhcp.umn.edu
[18000] 182.219.94.160.in-addr.arpa. domain name pointer c219-182.dhcp.umn.edu
[18000] 183.219.94.160.in-addr.arpa. domain name pointer x219-183.dhcp.umn.edu
[18000] 184.219.94.160.in-addr.arpa. domain name pointer x219-184.dhcp.umn.edu
[18000] 185.219.94.160.in-addr.arpa. domain name pointer x94-219-185-dhcp.dhcp.umn.edu
[18000] 186.219.94.160.in-addr.arpa. domain name pointer c219-186.dhcp.umn.edu
[18000] 187.219.94.160.in-addr.arpa. domain name pointer c219-187.dhcp.umn.edu
[18000] 188.219.94.160.in-addr.arpa. domain name pointer c219-188.dhcp.umn.edu
[18000] 189.219.94.160.in-addr.arpa. domain name pointer c219-189.dhcp.umn.edu
[18000] 190.219.94.160.in-addr.arpa. domain name pointer InfoTech-CN-01-Vlan-705.ggnet.umn.edu
[0] 191.219.94.160.in-addr.arpa.: domain name does not exist
[0] 192.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 193.219.94.160.in-addr.arpa. domain name pointer x94-219-193-dhcp.dhcp.umn.edu
[18000] 194.219.94.160.in-addr.arpa. domain name pointer x94-219-194-dhcp.dhcp.umn.edu
[18000] 195.219.94.160.in-addr.arpa. domain name pointer x94-219-195-dhcp.dhcp.umn.edu
[18000] 196.219.94.160.in-addr.arpa. domain name pointer x94-219-196-dhcp.dhcp.umn.edu
[18000] 197.219.94.160.in-addr.arpa. domain name pointer x94-219-197-dhcp.dhcp.umn.edu
[18000] 198.219.94.160.in-addr.arpa. domain name pointer x94-219-198-dhcp.dhcp.umn.edu
[18000] 199.219.94.160.in-addr.arpa. domain name pointer x94-219-199-dhcp.dhcp.umn.edu
[18000] 200.219.94.160.in-addr.arpa. domain name pointer x94-219-200-dhcp.dhcp.umn.edu
[18000] 201.219.94.160.in-addr.arpa. domain name pointer x94-219-201-dhcp.dhcp.umn.edu
[18000] 202.219.94.160.in-addr.arpa. domain name pointer x94-219-202-dhcp.dhcp.umn.edu
[18000] 203.219.94.160.in-addr.arpa. domain name pointer x94-219-203-dhcp.dhcp.umn.edu
[18000] 204.219.94.160.in-addr.arpa. domain name pointer x94-219-204-dhcp.dhcp.umn.edu
[18000] 205.219.94.160.in-addr.arpa. domain name pointer x94-219-205-dhcp.dhcp.umn.edu
[18000] 206.219.94.160.in-addr.arpa. domain name pointer InfoTech-CN-01-Vlan-706.ggnet.umn.edu
[0] 207.219.94.160.in-addr.arpa.: domain name does not exist
[0] 208.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 209.219.94.160.in-addr.arpa. domain name pointer c219-209.dhcp.umn.edu
[18000] 210.219.94.160.in-addr.arpa. domain name pointer c219-210.dhcp.umn.edu
[18000] 211.219.94.160.in-addr.arpa. domain name pointer c219-211.dhcp.umn.edu
[18000] 212.219.94.160.in-addr.arpa. domain name pointer c219-212.dhcp.umn.edu
[18000] 213.219.94.160.in-addr.arpa. domain name pointer c219-213.dhcp.umn.edu
[18000] 214.219.94.160.in-addr.arpa. domain name pointer c219-214.dhcp.umn.edu
[18000] 215.219.94.160.in-addr.arpa. domain name pointer x219-215.dhcp.umn.edu
[18000] 216.219.94.160.in-addr.arpa. domain name pointer x219-216.dhcp.umn.edu
[18000] 217.219.94.160.in-addr.arpa. domain name pointer c219-217.dhcp.umn.edu
[18000] 218.219.94.160.in-addr.arpa. domain name pointer c219-218.dhcp.umn.edu
[18000] 219.219.94.160.in-addr.arpa. domain name pointer c219-219.dhcp.umn.edu
[18000] 220.219.94.160.in-addr.arpa. domain name pointer c219-220.dhcp.umn.edu
[18000] 221.219.94.160.in-addr.arpa. domain name pointer c219-221.dhcp.umn.edu
[18000] 222.219.94.160.in-addr.arpa. domain name pointer ScottH-CN-01-Vlan-770.ggnet.umn.edu
[0] 223.219.94.160.in-addr.arpa.: domain name does not exist
[0] 224.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 225.219.94.160.in-addr.arpa. domain name pointer x94-219-225-dhcp.ej2322.umn.edu
[18000] 226.219.94.160.in-addr.arpa. domain name pointer x94-219-226-dhcp.ej2322.umn.edu
[18000] 227.219.94.160.in-addr.arpa. domain name pointer x94-219-227-dhcp.ej2322.umn.edu
[18000] 228.219.94.160.in-addr.arpa. domain name pointer x94-219-228-dhcp.ej2322.umn.edu
[18000] 229.219.94.160.in-addr.arpa. domain name pointer x94-219-229-dhcp.ej2322.umn.edu
[18000] 230.219.94.160.in-addr.arpa. domain name pointer x94-219-230-dhcp.ej2322.umn.edu
[18000] 231.219.94.160.in-addr.arpa. domain name pointer x94-219-231-dhcp.ej2322.umn.edu
[18000] 232.219.94.160.in-addr.arpa. domain name pointer x94-219-232-dhcp.ej2322.umn.edu
[18000] 233.219.94.160.in-addr.arpa. domain name pointer x94-219-233-dhcp.ej2322.umn.edu
[18000] 234.219.94.160.in-addr.arpa. domain name pointer x94-219-234-dhcp.ej2322.umn.edu
[18000] 235.219.94.160.in-addr.arpa. domain name pointer x94-219-235-dhcp.ej2322.umn.edu
[18000] 236.219.94.160.in-addr.arpa. domain name pointer x94-219-236-dhcp.ej2322.umn.edu
[18000] 237.219.94.160.in-addr.arpa. domain name pointer x94-219-237-dhcp.ej2322.umn.edu
[18000] 238.219.94.160.in-addr.arpa. domain name pointer ageng-1-rsmxx.rswitch.umn.edu
[0] 239.219.94.160.in-addr.arpa.: domain name does not exist
[0] 240.219.94.160.in-addr.arpa.: domain name does not exist
[0] 241.219.94.160.in-addr.arpa.: domain name does not exist
[0] 242.219.94.160.in-addr.arpa.: domain name does not exist
[0] 243.219.94.160.in-addr.arpa.: domain name does not exist
[0] 244.219.94.160.in-addr.arpa.: domain name does not exist
[0] 245.219.94.160.in-addr.arpa.: domain name does not exist
[0] 246.219.94.160.in-addr.arpa.: domain name does not exist
[0] 247.219.94.160.in-addr.arpa.: domain name does not exist
[0] 248.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 249.219.94.160.in-addr.arpa. domain name pointer x94-219-249.spdesktops.umn.edu
[0] 250.219.94.160.in-addr.arpa.: domain name does not exist
[0] 251.219.94.160.in-addr.arpa.: domain name does not exist
[0] 252.219.94.160.in-addr.arpa.: domain name does not exist
[0] 253.219.94.160.in-addr.arpa.: domain name does not exist
[18000] 254.219.94.160.in-addr.arpa. domain name pointer TelecomB-CN-01-Vlan-796.ggnet.umn.edu
[0] 255.219.94.160.in-addr.arpa.: domain name does not exist