[0] 0.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 1.51.179.152.in-addr.arpa. domain name pointer 200.GigabitEthernet2-1.GW2.DFW13.ALTER.NET
[21600] 2.51.179.152.in-addr.arpa. domain name pointer verizonbusiness-gw.customer.alter.net
[0] 3.51.179.152.in-addr.arpa.: domain name does not exist
[0] 4.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 5.51.179.152.in-addr.arpa. domain name pointer 106.GigabitEthernet4-0-106.GW1.DFW13.ALTER.NET
[21600] 6.51.179.152.in-addr.arpa. domain name pointer wbsconnect.com.customer.alter.net
[0] 7.51.179.152.in-addr.arpa.: domain name does not exist
[0] 8.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 9.51.179.152.in-addr.arpa. domain name pointer TenGigE0-2-2-0.GW4.DFW13.ALTER.NET
[21600] 10.51.179.152.in-addr.arpa. domain name pointer limelightnetworks.customer.alter.net
[0] 11.51.179.152.in-addr.arpa.: domain name does not exist
[0] 12.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 13.51.179.152.in-addr.arpa. domain name pointer TenGigE0-2-4-0.GW4.DFW13.ALTER.NET
[21600] 14.51.179.152.in-addr.arpa. domain name pointer limelightnetworks.customer.alter.net
[0] 15.51.179.152.in-addr.arpa.: domain name does not exist
[0] 16.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 17.51.179.152.in-addr.arpa. domain name pointer 213.GigabitEthernet2-1.GW2.DFW13.ALTER.NET
[21600] 18.51.179.152.in-addr.arpa. domain name pointer vso-scs-gw.customer.alter.net
[0] 19.51.179.152.in-addr.arpa.: domain name does not exist
[0] 20.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 21.51.179.152.in-addr.arpa. domain name pointer 225.GigabitEthernet2-2.GW2.DFW13.ALTER.NET
[21600] 22.51.179.152.in-addr.arpa. domain name pointer wdc-gw.customer.alter.net
[0] 23.51.179.152.in-addr.arpa.: domain name does not exist
[0] 24.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 25.51.179.152.in-addr.arpa. domain name pointer TenGigE0-3-1-0.GW4.DFW13.ALTER.NET
[21600] 26.51.179.152.in-addr.arpa. domain name pointer google-gw.customer.alter.net
[0] 27.51.179.152.in-addr.arpa.: domain name does not exist
[0] 28.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 29.51.179.152.in-addr.arpa. domain name pointer TenGigE0-3-2-0.GW4.DFW13.ALTER.NET
[21600] 30.51.179.152.in-addr.arpa. domain name pointer google-gw.customer.alter.net
[0] 31.51.179.152.in-addr.arpa.: domain name does not exist
[0] 32.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 33.51.179.152.in-addr.arpa. domain name pointer 60.GigabitEthernet0-1-1-7.GW4.DFW13.ALTER.NET
[21600] 34.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 35.51.179.152.in-addr.arpa.: domain name does not exist
[0] 36.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 37.51.179.152.in-addr.arpa. domain name pointer 13.GigabitEthernet0-1-0-0.GW4.DFW13.ALTER.NET
[21600] 38.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 39.51.179.152.in-addr.arpa.: domain name does not exist
[0] 40.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 41.51.179.152.in-addr.arpa. domain name pointer TenGigE0-0-2-0.GW5.DFW13.ALTER.NET
[21600] 42.51.179.152.in-addr.arpa. domain name pointer nlayer.customer.alter.net
[0] 43.51.179.152.in-addr.arpa.: domain name does not exist
[0] 44.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 45.51.179.152.in-addr.arpa. domain name pointer TenGigE0-0-1-0.GW5.DFW13.ALTER.NET
[21600] 46.51.179.152.in-addr.arpa. domain name pointer limelightnetworks.customer.alter.net
[0] 47.51.179.152.in-addr.arpa.: domain name does not exist
[0] 48.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 49.51.179.152.in-addr.arpa. domain name pointer TenGigE0-2-1-0.GW4.DFW13.ALTER.NET
[21600] 50.51.179.152.in-addr.arpa. domain name pointer mcafee-gw.customer.alter.net
[0] 51.51.179.152.in-addr.arpa.: domain name does not exist
[0] 52.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 53.51.179.152.in-addr.arpa. domain name pointer 2.GigabitEthernet0-1-0-5.GW4.DFW13.ALTER.NET
[21600] 54.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 55.51.179.152.in-addr.arpa.: domain name does not exist
[0] 56.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 57.51.179.152.in-addr.arpa. domain name pointer TenGigE0-3-1-0.GW4.DFW13.ALTER.NET
[21600] 58.51.179.152.in-addr.arpa. domain name pointer google.com.customer.alter.net
[0] 59.51.179.152.in-addr.arpa.: domain name does not exist
[0] 60.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 61.51.179.152.in-addr.arpa. domain name pointer 22.TenGigE0-3-0-13.GW5.DFW13.ALTER.NET
[21600] 62.51.179.152.in-addr.arpa. domain name pointer maccormick-gw.customer.alter.net
[0] 63.51.179.152.in-addr.arpa.: domain name does not exist
[0] 64.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 65.51.179.152.in-addr.arpa. domain name pointer 218.GigabitEthernet2-2.GW2.DFW13.ALTER.NET
[21600] 66.51.179.152.in-addr.arpa. domain name pointer michaels-gw.customer.alter.net
[0] 67.51.179.152.in-addr.arpa.: domain name does not exist
[0] 68.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 69.51.179.152.in-addr.arpa. domain name pointer 16.GigabitEthernet0-1-0-5.GW4.DFW13.ALTER.NET
[21600] 70.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 71.51.179.152.in-addr.arpa.: domain name does not exist
[0] 72.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 73.51.179.152.in-addr.arpa. domain name pointer 242.GigabitEthernet2-0-0.GW2.DFW13.ALTER.NET
[21600] 74.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 75.51.179.152.in-addr.arpa.: domain name does not exist
[0] 76.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 77.51.179.152.in-addr.arpa. domain name pointer 208.GigabitEthernet2-1.GW2.DFW13.ALTER.NET
[21600] 78.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 79.51.179.152.in-addr.arpa.: domain name does not exist
[0] 80.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 81.51.179.152.in-addr.arpa. domain name pointer 65.GigabitEthernet0-1-1-6.GW4.DFW13.ALTER.NET
[21600] 82.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 83.51.179.152.in-addr.arpa.: domain name does not exist
[0] 84.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 85.51.179.152.in-addr.arpa. domain name pointer 42.GigabitEthernet0-1-1-6.GW4.DFW13.ALTER.NET
[21600] 86.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 87.51.179.152.in-addr.arpa.: domain name does not exist
[0] 88.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 89.51.179.152.in-addr.arpa. domain name pointer 201.GigabitEthernet2-0-1.GW2.DFW13.ALTER.NET
[21600] 90.51.179.152.in-addr.arpa. domain name pointer physerveinc-gw.customer.alter.net
[0] 91.51.179.152.in-addr.arpa.: domain name does not exist
[0] 92.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 93.51.179.152.in-addr.arpa. domain name pointer 73.GigabitEthernet0-1-1-6.GW4.DFW13.ALTER.NET
[21600] 94.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 95.51.179.152.in-addr.arpa.: domain name does not exist
[0] 96.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 97.51.179.152.in-addr.arpa. domain name pointer TenGigE0-0-1-0.GW5.DFW13.ALTER.NET
[21600] 98.51.179.152.in-addr.arpa. domain name pointer telefonica-gw.customer.alter.net
[0] 99.51.179.152.in-addr.arpa.: domain name does not exist
[0] 100.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 101.51.179.152.in-addr.arpa. domain name pointer TenGigE0-3-0-1.GW5.DFW13.ALTER.NET
[21600] 102.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 103.51.179.152.in-addr.arpa.: domain name does not exist
[0] 104.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 105.51.179.152.in-addr.arpa. domain name pointer 54.GigabitEthernet0-1-1-7.GW4.DFW13.ALTER.NET
[21600] 106.51.179.152.in-addr.arpa. domain name pointer hat-co-gw.customer.alter.net
[0] 107.51.179.152.in-addr.arpa.: domain name does not exist
[0] 108.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 109.51.179.152.in-addr.arpa. domain name pointer GigabitEthernet2-1-217.GW2.DFW13.ALTER.NET
[21600] 110.51.179.152.in-addr.arpa. domain name pointer dunhamandco-gw.customer.alter.net
[0] 111.51.179.152.in-addr.arpa.: domain name does not exist
[0] 112.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 113.51.179.152.in-addr.arpa. domain name pointer 62.GigabitEthernet0-1-1-7.GW4.DFW13.ALTER.NET
[21600] 114.51.179.152.in-addr.arpa. domain name pointer metricmcc-gw.customer.alter.net
[0] 115.51.179.152.in-addr.arpa.: domain name does not exist
[0] 116.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 117.51.179.152.in-addr.arpa. domain name pointer 21.GigabitEthernet0-1-0-5.GW4.DFW13.ALTER.NET
[21600] 118.51.179.152.in-addr.arpa. domain name pointer cookchildrens-gw.customer.alter.net
[0] 119.51.179.152.in-addr.arpa.: domain name does not exist
[0] 120.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 121.51.179.152.in-addr.arpa. domain name pointer 218.GigabitEthernet2-1.GW2.DFW13.ALTER.NET
[21600] 122.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 123.51.179.152.in-addr.arpa.: domain name does not exist
[0] 124.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 125.51.179.152.in-addr.arpa. domain name pointer 224.GigabitEthernet3-3.GW2.DFW13.ALTER.NET
[21600] 126.51.179.152.in-addr.arpa. domain name pointer techtrans-gw.customer.alter.net
[0] 127.51.179.152.in-addr.arpa.: domain name does not exist
[0] 128.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 129.51.179.152.in-addr.arpa. domain name pointer 230.GigabitEthernet3-3.GW2.DFW13.ALTER.NET
[21600] 130.51.179.152.in-addr.arpa. domain name pointer pscnow-gw.customer.alter.net
[0] 131.51.179.152.in-addr.arpa.: domain name does not exist
[0] 132.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 133.51.179.152.in-addr.arpa. domain name pointer 57.GigabitEthernet0-1-0-5.GW2.DFW13.ALTER.NET
[21600] 134.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 135.51.179.152.in-addr.arpa.: domain name does not exist
[0] 136.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 137.51.179.152.in-addr.arpa. domain name pointer 52.xe-4-3-0.GW17.DFW9.ALTER.NET
[21600] 138.51.179.152.in-addr.arpa. domain name pointer BLUAGE-gw.customer.alter.net
[0] 139.51.179.152.in-addr.arpa.: domain name does not exist
[0] 140.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 141.51.179.152.in-addr.arpa. domain name pointer 62.GigabitEthernet0-1-1-6.GW4.DFW13.ALTER.NET
[21600] 142.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 143.51.179.152.in-addr.arpa.: domain name does not exist
[0] 144.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 145.51.179.152.in-addr.arpa. domain name pointer 14.ge-3-1-9.GW2.DFW13.ALTER.NET
[21600] 146.51.179.152.in-addr.arpa. domain name pointer qti.customer.alter.net
[0] 147.51.179.152.in-addr.arpa.: domain name does not exist
[0] 148.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 149.51.179.152.in-addr.arpa. domain name pointer 16.GigabitEthernet0-1-0-5.GW2.DFW13.ALTER.NET
[21600] 150.51.179.152.in-addr.arpa. domain name pointer airgroup-gw.customer.alter.net
[0] 151.51.179.152.in-addr.arpa.: domain name does not exist
[0] 152.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 153.51.179.152.in-addr.arpa. domain name pointer 221.GigabitEthernet2-1.GW2.DFW13.ALTER.NET
[21600] 154.51.179.152.in-addr.arpa. domain name pointer shermco-gw.customer.alter.net
[0] 155.51.179.152.in-addr.arpa.: domain name does not exist
[0] 156.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 157.51.179.152.in-addr.arpa. domain name pointer GigabitEthernet0-1-2-0.GW4.DFW13.ALTER.NET
[21600] 158.51.179.152.in-addr.arpa. domain name pointer morganstanley-gw.customer.alter.net
[0] 159.51.179.152.in-addr.arpa.: domain name does not exist
[0] 160.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 161.51.179.152.in-addr.arpa. domain name pointer GigabitEthernet0-1-1-0.GW4.DFW13.ALTER.NET
[21600] 162.51.179.152.in-addr.arpa. domain name pointer paetec-gw.customer.alter.net
[0] 163.51.179.152.in-addr.arpa.: domain name does not exist
[0] 164.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 165.51.179.152.in-addr.arpa. domain name pointer 18.GigabitEthernet0-1-1-6.GW4.DFW13.ALTER.NET
[21600] 166.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 167.51.179.152.in-addr.arpa.: domain name does not exist
[0] 168.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 169.51.179.152.in-addr.arpa. domain name pointer TenGigE0-1-0-1.GW5.DFW13.ALTER.NET
[21600] 170.51.179.152.in-addr.arpa. domain name pointer telmex-gw.customer.alter.net
[0] 171.51.179.152.in-addr.arpa.: domain name does not exist
[0] 172.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 173.51.179.152.in-addr.arpa. domain name pointer 229.GigabitEthernet3-3.GW2.DFW13.ALTER.NET
[21600] 174.51.179.152.in-addr.arpa. domain name pointer pptconsultants.com.customer.alter.net
[0] 175.51.179.152.in-addr.arpa.: domain name does not exist
[0] 176.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 177.51.179.152.in-addr.arpa. domain name pointer 211.GigabitEthernet2-1.GW2.DFW13.ALTER.NET
[21600] 178.51.179.152.in-addr.arpa. domain name pointer unitytelecom-gw.customer.alter.net
[0] 179.51.179.152.in-addr.arpa.: domain name does not exist
[0] 180.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 181.51.179.152.in-addr.arpa. domain name pointer 53.GigabitEthernet0-1-1-7.GW4.DFW13.ALTER.NET
[21600] 182.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 183.51.179.152.in-addr.arpa.: domain name does not exist
[0] 184.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 185.51.179.152.in-addr.arpa. domain name pointer 5.GigabitEthernet0-1-1-6.GW4.DFW13.ALTER.NET
[21600] 186.51.179.152.in-addr.arpa. domain name pointer arbitron-gw.customer.alter.net
[0] 187.51.179.152.in-addr.arpa.: domain name does not exist
[0] 188.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 189.51.179.152.in-addr.arpa. domain name pointer 25.GigabitEthernet0-1-1-6.GW4.DFW13.ALTER.NET
[21600] 190.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 191.51.179.152.in-addr.arpa.: domain name does not exist
[0] 192.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 193.51.179.152.in-addr.arpa. domain name pointer 44.GigabitEthernet0-1-1-7.GW4.DFW13.ALTER.NET
[21600] 194.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 195.51.179.152.in-addr.arpa.: domain name does not exist
[0] 196.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 197.51.179.152.in-addr.arpa. domain name pointer 2.GigabitEthernet5-0.GW4.DFW13.ALTER.NET
[21600] 198.51.179.152.in-addr.arpa. domain name pointer ecommerce-gw.customer.alter.net
[0] 199.51.179.152.in-addr.arpa.: domain name does not exist
[0] 200.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 201.51.179.152.in-addr.arpa. domain name pointer 65.GigabitEthernet0-1-0-5.GW4.DFW13.ALTER.NET
[21600] 202.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 203.51.179.152.in-addr.arpa.: domain name does not exist
[0] 204.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 205.51.179.152.in-addr.arpa. domain name pointer 16.GigabitEthernet0-1-1-7.GW4.DFW13.ALTER.NET
[21600] 206.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 207.51.179.152.in-addr.arpa.: domain name does not exist
[0] 208.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 209.51.179.152.in-addr.arpa. domain name pointer 42.GigabitEthernet0-1-0-5.GW4.DFW13.ALTER.NET
[21600] 210.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 211.51.179.152.in-addr.arpa.: domain name does not exist
[0] 212.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 213.51.179.152.in-addr.arpa. domain name pointer 17.GigabitEthernet0-1-1-7.GW4.DFW13.ALTER.NET
[21600] 214.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 215.51.179.152.in-addr.arpa.: domain name does not exist
[0] 216.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 217.51.179.152.in-addr.arpa. domain name pointer 28.GigabitEthernet0-1-0-5.GW4.DFW13.ALTER.NET
[21600] 218.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 219.51.179.152.in-addr.arpa.: domain name does not exist
[0] 220.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 221.51.179.152.in-addr.arpa. domain name pointer 14.GigabitEthernet0-1-0-5.GW4.DFW13.ALTER.NET
[21600] 222.51.179.152.in-addr.arpa. domain name pointer premierdesigns-gw.customer.alter.net
[0] 223.51.179.152.in-addr.arpa.: domain name does not exist
[0] 224.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 225.51.179.152.in-addr.arpa. domain name pointer 3.GigabitEthernet2-1.GW2.DFW13.ALTER.NET
[21600] 226.51.179.152.in-addr.arpa. domain name pointer lbctt-gw.customer.alter.net
[0] 227.51.179.152.in-addr.arpa.: domain name does not exist
[0] 228.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 229.51.179.152.in-addr.arpa. domain name pointer TenGigE0-1-0-0.GW6.DFW13.ALTER.NET
[21600] 230.51.179.152.in-addr.arpa. domain name pointer terremark-gw.customer.alter.net
[0] 231.51.179.152.in-addr.arpa.: domain name does not exist
[0] 232.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 233.51.179.152.in-addr.arpa. domain name pointer TenGigE0-4-0-0.GW6.DFW13.ALTER.NET
[21600] 234.51.179.152.in-addr.arpa. domain name pointer twtelecom-gw.customer.alter.net
[0] 235.51.179.152.in-addr.arpa.: domain name does not exist
[0] 236.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 237.51.179.152.in-addr.arpa. domain name pointer TenGigE0-2-0-2.GW5.DFW13.ALTER.NET
[21600] 238.51.179.152.in-addr.arpa. domain name pointer llnw-gw.customer.alter.net
[0] 239.51.179.152.in-addr.arpa.: domain name does not exist
[0] 240.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 241.51.179.152.in-addr.arpa. domain name pointer 40.GigabitEthernet0-1-0-5.GW4.DFW13.ALTER.NET
[21600] 242.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 243.51.179.152.in-addr.arpa.: domain name does not exist
[0] 244.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 245.51.179.152.in-addr.arpa. domain name pointer 52.GigabitEthernet0-1-1-7.GW4.DFW13.ALTER.NET
[21600] 246.51.179.152.in-addr.arpa. domain name pointer Internet-gw.customer.alter.net
[0] 247.51.179.152.in-addr.arpa.: domain name does not exist
[0] 248.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 249.51.179.152.in-addr.arpa. domain name pointer 47.GigabitEthernet0-1-1-7.GW4.DFW13.ALTER.NET
[21600] 250.51.179.152.in-addr.arpa. domain name pointer doorcontrolsusa-gw.customer.alter.net
[0] 251.51.179.152.in-addr.arpa.: domain name does not exist
[0] 252.51.179.152.in-addr.arpa.: domain name does not exist
[21600] 253.51.179.152.in-addr.arpa. domain name pointer 205.GigabitEthernet0-1-1-6.GW4.DFW13.ALTER.NET
[21600] 254.51.179.152.in-addr.arpa. domain name pointer gmfinancial-gw.customer.alter.net
[0] 255.51.179.152.in-addr.arpa.: domain name does not exist