[0] 0.121.209.65.in-addr.arpa.: domain name does not exist
[21600] 1.121.209.65.in-addr.arpa. domain name pointer exchange01.ptsem.edu
[21600] 2.121.209.65.in-addr.arpa. domain name pointer user2.PTSEM.EDU
[21600] 3.121.209.65.in-addr.arpa. domain name pointer user3.PTSEM.EDU
[21600] 4.121.209.65.in-addr.arpa. domain name pointer user4.PTSEM.EDU
[21600] 5.121.209.65.in-addr.arpa. domain name pointer user5.PTSEM.EDU
[21600] 6.121.209.65.in-addr.arpa. domain name pointer user6.PTSEM.EDU
[21600] 7.121.209.65.in-addr.arpa. domain name pointer user7.PTSEM.EDU
[21600] 8.121.209.65.in-addr.arpa. domain name pointer user8.PTSEM.EDU
[21600] 9.121.209.65.in-addr.arpa. domain name pointer user9.PTSEM.EDU
[21600] 10.121.209.65.in-addr.arpa. domain name pointer user10.PTSEM.EDU
[21600] 11.121.209.65.in-addr.arpa. domain name pointer user11.PTSEM.EDU
[21600] 12.121.209.65.in-addr.arpa. domain name pointer user12.PTSEM.EDU
[21600] 13.121.209.65.in-addr.arpa. domain name pointer user13.PTSEM.EDU
[21600] 14.121.209.65.in-addr.arpa. domain name pointer user14.PTSEM.EDU
[21600] 15.121.209.65.in-addr.arpa. domain name pointer user15.PTSEM.EDU
[21600] 16.121.209.65.in-addr.arpa. domain name pointer user16.PTSEM.EDU
[21600] 17.121.209.65.in-addr.arpa. domain name pointer user17.PTSEM.EDU
[21600] 18.121.209.65.in-addr.arpa. domain name pointer user18.PTSEM.EDU
[21600] 19.121.209.65.in-addr.arpa. domain name pointer user19.PTSEM.EDU
[21600] 20.121.209.65.in-addr.arpa. domain name pointer user20.PTSEM.EDU
[21600] 21.121.209.65.in-addr.arpa. domain name pointer user21.PTSEM.EDU
[21600] 22.121.209.65.in-addr.arpa. domain name pointer user22.PTSEM.EDU
[21600] 23.121.209.65.in-addr.arpa. domain name pointer user23.PTSEM.EDU
[21600] 24.121.209.65.in-addr.arpa. domain name pointer user24.PTSEM.EDU
[21600] 25.121.209.65.in-addr.arpa. domain name pointer user25.PTSEM.EDU
[21600] 26.121.209.65.in-addr.arpa. domain name pointer user26.PTSEM.EDU
[21600] 27.121.209.65.in-addr.arpa. domain name pointer user27.PTSEM.EDU
[21600] 28.121.209.65.in-addr.arpa. domain name pointer user28.PTSEM.EDU
[21600] 29.121.209.65.in-addr.arpa. domain name pointer user29.PTSEM.EDU
[21600] 30.121.209.65.in-addr.arpa. domain name pointer user30.PTSEM.EDU
[21600] 31.121.209.65.in-addr.arpa. domain name pointer user31.PTSEM.EDU
[21600] 32.121.209.65.in-addr.arpa. domain name pointer user32.PTSEM.EDU
[21600] 33.121.209.65.in-addr.arpa. domain name pointer user33.PTSEM.EDU
[21600] 34.121.209.65.in-addr.arpa. domain name pointer user34.PTSEM.EDU
[21600] 35.121.209.65.in-addr.arpa. domain name pointer user35.PTSEM.EDU
[21600] 36.121.209.65.in-addr.arpa. domain name pointer user36.PTSEM.EDU
[21600] 37.121.209.65.in-addr.arpa. domain name pointer user37.PTSEM.EDU
[21600] 38.121.209.65.in-addr.arpa. domain name pointer user38.PTSEM.EDU
[21600] 39.121.209.65.in-addr.arpa. domain name pointer user39.PTSEM.EDU
[21600] 40.121.209.65.in-addr.arpa. domain name pointer user40.PTSEM.EDU
[21600] 41.121.209.65.in-addr.arpa. domain name pointer user41.PTSEM.EDU
[21600] 42.121.209.65.in-addr.arpa. domain name pointer user42.PTSEM.EDU
[21600] 43.121.209.65.in-addr.arpa. domain name pointer user43.PTSEM.EDU
[21600] 44.121.209.65.in-addr.arpa. domain name pointer user44.PTSEM.EDU
[21600] 45.121.209.65.in-addr.arpa. domain name pointer user45.PTSEM.EDU
[21600] 46.121.209.65.in-addr.arpa. domain name pointer user46.PTSEM.EDU
[21600] 47.121.209.65.in-addr.arpa. domain name pointer user47.PTSEM.EDU
[21600] 48.121.209.65.in-addr.arpa. domain name pointer user48.PTSEM.EDU
[21600] 49.121.209.65.in-addr.arpa. domain name pointer user49.PTSEM.EDU
[21600] 50.121.209.65.in-addr.arpa. domain name pointer user50.PTSEM.EDU
[21600] 51.121.209.65.in-addr.arpa. domain name pointer user51.PTSEM.EDU
[21600] 52.121.209.65.in-addr.arpa. domain name pointer user52.PTSEM.EDU
[21600] 53.121.209.65.in-addr.arpa. domain name pointer user53.PTSEM.EDU
[21600] 54.121.209.65.in-addr.arpa. domain name pointer user54.PTSEM.EDU
[21600] 55.121.209.65.in-addr.arpa. domain name pointer user55.PTSEM.EDU
[21600] 56.121.209.65.in-addr.arpa. domain name pointer user56.PTSEM.EDU
[21600] 57.121.209.65.in-addr.arpa. domain name pointer user57.PTSEM.EDU
[21600] 58.121.209.65.in-addr.arpa. domain name pointer user58.PTSEM.EDU
[21600] 59.121.209.65.in-addr.arpa. domain name pointer user59.PTSEM.EDU
[21600] 60.121.209.65.in-addr.arpa. domain name pointer user60.PTSEM.EDU
[21600] 61.121.209.65.in-addr.arpa. domain name pointer user61.PTSEM.EDU
[21600] 62.121.209.65.in-addr.arpa. domain name pointer user62.PTSEM.EDU
[21600] 63.121.209.65.in-addr.arpa. domain name pointer user63.PTSEM.EDU
[21600] 64.121.209.65.in-addr.arpa. domain name pointer user64.PTSEM.EDU
[21600] 65.121.209.65.in-addr.arpa. domain name pointer user65.PTSEM.EDU
[21600] 66.121.209.65.in-addr.arpa. domain name pointer user66.PTSEM.EDU
[21600] 67.121.209.65.in-addr.arpa. domain name pointer user67.PTSEM.EDU
[21600] 68.121.209.65.in-addr.arpa. domain name pointer user68.PTSEM.EDU
[21600] 69.121.209.65.in-addr.arpa. domain name pointer user69.PTSEM.EDU
[21600] 70.121.209.65.in-addr.arpa. domain name pointer user70.PTSEM.EDU
[21600] 71.121.209.65.in-addr.arpa. domain name pointer user71.PTSEM.EDU
[21600] 72.121.209.65.in-addr.arpa. domain name pointer user72.PTSEM.EDU
[21600] 73.121.209.65.in-addr.arpa. domain name pointer user73.PTSEM.EDU
[21600] 74.121.209.65.in-addr.arpa. domain name pointer user74.PTSEM.EDU
[21600] 75.121.209.65.in-addr.arpa. domain name pointer user75.PTSEM.EDU
[21600] 76.121.209.65.in-addr.arpa. domain name pointer user76.PTSEM.EDU
[21600] 77.121.209.65.in-addr.arpa. domain name pointer user77.PTSEM.EDU
[21600] 78.121.209.65.in-addr.arpa. domain name pointer user78.PTSEM.EDU
[21600] 79.121.209.65.in-addr.arpa. domain name pointer user79.PTSEM.EDU
[21600] 80.121.209.65.in-addr.arpa. domain name pointer user80.PTSEM.EDU
[21600] 81.121.209.65.in-addr.arpa. domain name pointer user81.PTSEM.EDU
[21600] 82.121.209.65.in-addr.arpa. domain name pointer user82.PTSEM.EDU
[21600] 83.121.209.65.in-addr.arpa. domain name pointer user83.PTSEM.EDU
[21600] 84.121.209.65.in-addr.arpa. domain name pointer user84.PTSEM.EDU
[21600] 85.121.209.65.in-addr.arpa. domain name pointer user85.PTSEM.EDU
[21600] 86.121.209.65.in-addr.arpa. domain name pointer user86.PTSEM.EDU
[21600] 87.121.209.65.in-addr.arpa. domain name pointer user87.PTSEM.EDU
[21600] 88.121.209.65.in-addr.arpa. domain name pointer user88.PTSEM.EDU
[21600] 89.121.209.65.in-addr.arpa. domain name pointer user89.PTSEM.EDU
[21600] 90.121.209.65.in-addr.arpa. domain name pointer user90.PTSEM.EDU
[21600] 91.121.209.65.in-addr.arpa. domain name pointer user91.PTSEM.EDU
[21600] 92.121.209.65.in-addr.arpa. domain name pointer user92.PTSEM.EDU
[21600] 93.121.209.65.in-addr.arpa. domain name pointer user93.PTSEM.EDU
[21600] 94.121.209.65.in-addr.arpa. domain name pointer user94.PTSEM.EDU
[21600] 95.121.209.65.in-addr.arpa. domain name pointer user95.PTSEM.EDU
[21600] 96.121.209.65.in-addr.arpa. domain name pointer user96.PTSEM.EDU
[21600] 97.121.209.65.in-addr.arpa. domain name pointer user97.PTSEM.EDU
[21600] 98.121.209.65.in-addr.arpa. domain name pointer user98.PTSEM.EDU
[21600] 99.121.209.65.in-addr.arpa. domain name pointer user99.PTSEM.EDU
[21600] 100.121.209.65.in-addr.arpa. domain name pointer user100.PTSEM.EDU
[21600] 101.121.209.65.in-addr.arpa. domain name pointer user101.PTSEM.EDU
[21600] 102.121.209.65.in-addr.arpa. domain name pointer user102.PTSEM.EDU
[21600] 103.121.209.65.in-addr.arpa. domain name pointer user103.PTSEM.EDU
[21600] 104.121.209.65.in-addr.arpa. domain name pointer user104.PTSEM.EDU
[21600] 105.121.209.65.in-addr.arpa. domain name pointer user105.PTSEM.EDU
[21600] 106.121.209.65.in-addr.arpa. domain name pointer user106.PTSEM.EDU
[21600] 107.121.209.65.in-addr.arpa. domain name pointer user107.PTSEM.EDU
[21600] 108.121.209.65.in-addr.arpa. domain name pointer user108.PTSEM.EDU
[21600] 109.121.209.65.in-addr.arpa. domain name pointer user109.PTSEM.EDU
[21600] 110.121.209.65.in-addr.arpa. domain name pointer user110.PTSEM.EDU
[21600] 111.121.209.65.in-addr.arpa. domain name pointer user111.PTSEM.EDU
[21600] 112.121.209.65.in-addr.arpa. domain name pointer user112.PTSEM.EDU
[21600] 113.121.209.65.in-addr.arpa. domain name pointer user113.PTSEM.EDU
[21600] 114.121.209.65.in-addr.arpa. domain name pointer user114.PTSEM.EDU
[21600] 115.121.209.65.in-addr.arpa. domain name pointer user115.PTSEM.EDU
[21600] 116.121.209.65.in-addr.arpa. domain name pointer user116.PTSEM.EDU
[21600] 117.121.209.65.in-addr.arpa. domain name pointer user117.PTSEM.EDU
[21600] 118.121.209.65.in-addr.arpa. domain name pointer user118.PTSEM.EDU
[21600] 119.121.209.65.in-addr.arpa. domain name pointer user119.PTSEM.EDU
[21600] 120.121.209.65.in-addr.arpa. domain name pointer user120.PTSEM.EDU
[21600] 121.121.209.65.in-addr.arpa. domain name pointer user121.PTSEM.EDU
[21600] 122.121.209.65.in-addr.arpa. domain name pointer user122.PTSEM.EDU
[21600] 123.121.209.65.in-addr.arpa. domain name pointer user123.PTSEM.EDU
[21600] 124.121.209.65.in-addr.arpa. domain name pointer user124.PTSEM.EDU
[21600] 125.121.209.65.in-addr.arpa. domain name pointer user125.PTSEM.EDU
[21600] 126.121.209.65.in-addr.arpa. domain name pointer user126.PTSEM.EDU
[21600] 127.121.209.65.in-addr.arpa. domain name pointer user127.PTSEM.EDU
[21600] 128.121.209.65.in-addr.arpa. domain name pointer user128.PTSEM.EDU
[21600] 129.121.209.65.in-addr.arpa. domain name pointer user129.PTSEM.EDU
[21600] 130.121.209.65.in-addr.arpa. domain name pointer user130.PTSEM.EDU
[21600] 131.121.209.65.in-addr.arpa. domain name pointer user131.PTSEM.EDU
[21600] 132.121.209.65.in-addr.arpa. domain name pointer user132.PTSEM.EDU
[21600] 133.121.209.65.in-addr.arpa. domain name pointer user133.PTSEM.EDU
[21600] 134.121.209.65.in-addr.arpa. domain name pointer user134.PTSEM.EDU
[21600] 135.121.209.65.in-addr.arpa. domain name pointer user135.PTSEM.EDU
[21600] 136.121.209.65.in-addr.arpa. domain name pointer user136.PTSEM.EDU
[21600] 137.121.209.65.in-addr.arpa. domain name pointer user137.PTSEM.EDU
[21600] 138.121.209.65.in-addr.arpa. domain name pointer user138.PTSEM.EDU
[21600] 139.121.209.65.in-addr.arpa. domain name pointer user139.PTSEM.EDU
[21600] 140.121.209.65.in-addr.arpa. domain name pointer user140.PTSEM.EDU
[21600] 141.121.209.65.in-addr.arpa. domain name pointer user141.PTSEM.EDU
[21600] 142.121.209.65.in-addr.arpa. domain name pointer user142.PTSEM.EDU
[21600] 143.121.209.65.in-addr.arpa. domain name pointer user143.PTSEM.EDU
[21600] 144.121.209.65.in-addr.arpa. domain name pointer user144.PTSEM.EDU
[21600] 145.121.209.65.in-addr.arpa. domain name pointer user145.PTSEM.EDU
[21600] 146.121.209.65.in-addr.arpa. domain name pointer user146.PTSEM.EDU
[21600] 147.121.209.65.in-addr.arpa. domain name pointer user147.PTSEM.EDU
[21600] 148.121.209.65.in-addr.arpa. domain name pointer user148.PTSEM.EDU
[21600] 149.121.209.65.in-addr.arpa. domain name pointer user149.PTSEM.EDU
[21600] 150.121.209.65.in-addr.arpa. domain name pointer user150.PTSEM.EDU
[21600] 151.121.209.65.in-addr.arpa. domain name pointer user151.PTSEM.EDU
[21600] 152.121.209.65.in-addr.arpa. domain name pointer user152.PTSEM.EDU
[21600] 153.121.209.65.in-addr.arpa. domain name pointer user153.PTSEM.EDU
[21600] 154.121.209.65.in-addr.arpa. domain name pointer user154.PTSEM.EDU
[21600] 155.121.209.65.in-addr.arpa. domain name pointer user155.PTSEM.EDU
[21600] 156.121.209.65.in-addr.arpa. domain name pointer user156.PTSEM.EDU
[21600] 157.121.209.65.in-addr.arpa. domain name pointer user157.PTSEM.EDU
[21600] 158.121.209.65.in-addr.arpa. domain name pointer user158.PTSEM.EDU
[21600] 159.121.209.65.in-addr.arpa. domain name pointer user159.PTSEM.EDU
[21600] 160.121.209.65.in-addr.arpa. domain name pointer user160.PTSEM.EDU
[21600] 161.121.209.65.in-addr.arpa. domain name pointer user161.PTSEM.EDU
[21600] 162.121.209.65.in-addr.arpa. domain name pointer user162.PTSEM.EDU
[21600] 163.121.209.65.in-addr.arpa. domain name pointer user163.PTSEM.EDU
[21600] 164.121.209.65.in-addr.arpa. domain name pointer user164.PTSEM.EDU
[21600] 165.121.209.65.in-addr.arpa. domain name pointer user165.PTSEM.EDU
[21600] 166.121.209.65.in-addr.arpa. domain name pointer user166.PTSEM.EDU
[21600] 167.121.209.65.in-addr.arpa. domain name pointer user167.PTSEM.EDU
[21600] 168.121.209.65.in-addr.arpa. domain name pointer user168.PTSEM.EDU
[21600] 169.121.209.65.in-addr.arpa. domain name pointer user169.PTSEM.EDU
[21600] 170.121.209.65.in-addr.arpa. domain name pointer user170.PTSEM.EDU
[21600] 171.121.209.65.in-addr.arpa. domain name pointer user171.PTSEM.EDU
[21600] 172.121.209.65.in-addr.arpa. domain name pointer user172.PTSEM.EDU
[21600] 173.121.209.65.in-addr.arpa. domain name pointer user173.PTSEM.EDU
[21600] 174.121.209.65.in-addr.arpa. domain name pointer user174.PTSEM.EDU
[21600] 175.121.209.65.in-addr.arpa. domain name pointer user175.PTSEM.EDU
[21600] 176.121.209.65.in-addr.arpa. domain name pointer user176.PTSEM.EDU
[21600] 177.121.209.65.in-addr.arpa. domain name pointer user177.PTSEM.EDU
[21600] 178.121.209.65.in-addr.arpa. domain name pointer user178.PTSEM.EDU
[21600] 179.121.209.65.in-addr.arpa. domain name pointer user179.PTSEM.EDU
[21600] 180.121.209.65.in-addr.arpa. domain name pointer user180.PTSEM.EDU
[21600] 181.121.209.65.in-addr.arpa. domain name pointer user181.PTSEM.EDU
[21600] 182.121.209.65.in-addr.arpa. domain name pointer user182.PTSEM.EDU
[21600] 183.121.209.65.in-addr.arpa. domain name pointer user183.PTSEM.EDU
[21600] 184.121.209.65.in-addr.arpa. domain name pointer user184.PTSEM.EDU
[21600] 185.121.209.65.in-addr.arpa. domain name pointer user185.PTSEM.EDU
[21600] 186.121.209.65.in-addr.arpa. domain name pointer user186.PTSEM.EDU
[21600] 187.121.209.65.in-addr.arpa. domain name pointer user187.PTSEM.EDU
[21600] 188.121.209.65.in-addr.arpa. domain name pointer user188.PTSEM.EDU
[21600] 189.121.209.65.in-addr.arpa. domain name pointer user189.PTSEM.EDU
[21600] 190.121.209.65.in-addr.arpa. domain name pointer user190.PTSEM.EDU
[21600] 191.121.209.65.in-addr.arpa. domain name pointer user191.PTSEM.EDU
[21600] 192.121.209.65.in-addr.arpa. domain name pointer user192.PTSEM.EDU
[21600] 193.121.209.65.in-addr.arpa. domain name pointer user193.PTSEM.EDU
[21600] 194.121.209.65.in-addr.arpa. domain name pointer user194.PTSEM.EDU
[21600] 195.121.209.65.in-addr.arpa. domain name pointer user195.PTSEM.EDU
[21600] 196.121.209.65.in-addr.arpa. domain name pointer user196.PTSEM.EDU
[21600] 197.121.209.65.in-addr.arpa. domain name pointer user197.PTSEM.EDU
[21600] 198.121.209.65.in-addr.arpa. domain name pointer user198.PTSEM.EDU
[21600] 199.121.209.65.in-addr.arpa. domain name pointer user199.PTSEM.EDU
[21600] 200.121.209.65.in-addr.arpa. domain name pointer user200.PTSEM.EDU
[21600] 201.121.209.65.in-addr.arpa. domain name pointer user201.PTSEM.EDU
[21600] 202.121.209.65.in-addr.arpa. domain name pointer user202.PTSEM.EDU
[21600] 203.121.209.65.in-addr.arpa. domain name pointer user203.PTSEM.EDU
[21600] 204.121.209.65.in-addr.arpa. domain name pointer user204.PTSEM.EDU
[21600] 205.121.209.65.in-addr.arpa. domain name pointer user205.PTSEM.EDU
[21600] 206.121.209.65.in-addr.arpa. domain name pointer user206.PTSEM.EDU
[21600] 207.121.209.65.in-addr.arpa. domain name pointer user207.PTSEM.EDU
[21600] 208.121.209.65.in-addr.arpa. domain name pointer user208.PTSEM.EDU
[21600] 209.121.209.65.in-addr.arpa. domain name pointer user209.PTSEM.EDU
[21600] 210.121.209.65.in-addr.arpa. domain name pointer user210.PTSEM.EDU
[21600] 211.121.209.65.in-addr.arpa. domain name pointer user211.PTSEM.EDU
[21600] 212.121.209.65.in-addr.arpa. domain name pointer user212.PTSEM.EDU
[21600] 213.121.209.65.in-addr.arpa. domain name pointer user213.PTSEM.EDU
[21600] 214.121.209.65.in-addr.arpa. domain name pointer user214.PTSEM.EDU
[21600] 215.121.209.65.in-addr.arpa. domain name pointer user215.PTSEM.EDU
[21600] 216.121.209.65.in-addr.arpa. domain name pointer user216.PTSEM.EDU
[21600] 217.121.209.65.in-addr.arpa. domain name pointer user217.PTSEM.EDU
[21600] 218.121.209.65.in-addr.arpa. domain name pointer user218.PTSEM.EDU
[21600] 219.121.209.65.in-addr.arpa. domain name pointer user219.PTSEM.EDU
[21600] 220.121.209.65.in-addr.arpa. domain name pointer user220.PTSEM.EDU
[21600] 221.121.209.65.in-addr.arpa. domain name pointer user221.PTSEM.EDU
[21600] 222.121.209.65.in-addr.arpa. domain name pointer user222.PTSEM.EDU
[21600] 223.121.209.65.in-addr.arpa. domain name pointer user223.PTSEM.EDU
[21600] 224.121.209.65.in-addr.arpa. domain name pointer user224.PTSEM.EDU
[21600] 225.121.209.65.in-addr.arpa. domain name pointer user225.PTSEM.EDU
[21600] 226.121.209.65.in-addr.arpa. domain name pointer user226.PTSEM.EDU
[21600] 227.121.209.65.in-addr.arpa. domain name pointer user227.PTSEM.EDU
[21600] 228.121.209.65.in-addr.arpa. domain name pointer user228.PTSEM.EDU
[21600] 229.121.209.65.in-addr.arpa. domain name pointer user229.PTSEM.EDU
[21600] 230.121.209.65.in-addr.arpa. domain name pointer user230.PTSEM.EDU
[21600] 231.121.209.65.in-addr.arpa. domain name pointer user231.PTSEM.EDU
[21600] 232.121.209.65.in-addr.arpa. domain name pointer user232.PTSEM.EDU
[21600] 233.121.209.65.in-addr.arpa. domain name pointer user233.PTSEM.EDU
[21600] 234.121.209.65.in-addr.arpa. domain name pointer user234.PTSEM.EDU
[21600] 235.121.209.65.in-addr.arpa. domain name pointer user235.PTSEM.EDU
[21600] 236.121.209.65.in-addr.arpa. domain name pointer user236.PTSEM.EDU
[21600] 237.121.209.65.in-addr.arpa. domain name pointer user237.PTSEM.EDU
[21600] 238.121.209.65.in-addr.arpa. domain name pointer user238.PTSEM.EDU
[21600] 239.121.209.65.in-addr.arpa. domain name pointer user239.PTSEM.EDU
[21600] 240.121.209.65.in-addr.arpa. domain name pointer user240.PTSEM.EDU
[21600] 241.121.209.65.in-addr.arpa. domain name pointer user241.PTSEM.EDU
[21600] 242.121.209.65.in-addr.arpa. domain name pointer user242.PTSEM.EDU
[21600] 243.121.209.65.in-addr.arpa. domain name pointer user243.PTSEM.EDU
[21600] 244.121.209.65.in-addr.arpa. domain name pointer user244.PTSEM.EDU
[21600] 245.121.209.65.in-addr.arpa. domain name pointer user245.PTSEM.EDU
[21600] 246.121.209.65.in-addr.arpa. domain name pointer user246.PTSEM.EDU
[21600] 247.121.209.65.in-addr.arpa. domain name pointer user247.PTSEM.EDU
[21600] 248.121.209.65.in-addr.arpa. domain name pointer user248.PTSEM.EDU
[21600] 249.121.209.65.in-addr.arpa. domain name pointer user249.PTSEM.EDU
[21600] 250.121.209.65.in-addr.arpa. domain name pointer user250.PTSEM.EDU
[21600] 251.121.209.65.in-addr.arpa. domain name pointer user251.PTSEM.EDU
[21600] 252.121.209.65.in-addr.arpa. domain name pointer user252.PTSEM.EDU
[21600] 253.121.209.65.in-addr.arpa. domain name pointer user253.PTSEM.EDU
[21600] 254.121.209.65.in-addr.arpa. domain name pointer user254.PTSEM.EDU
[0] 255.121.209.65.in-addr.arpa.: domain name does not exist