[0] 0.47.49.123.in-addr.arpa.: domain name does not exist
[86400] 1.47.49.123.in-addr.arpa. domain name pointer host1.btcl.net.bd
[86400] 2.47.49.123.in-addr.arpa. domain name pointer host2.btcl.net.bd
[86400] 3.47.49.123.in-addr.arpa. domain name pointer host3.btcl.net.bd
[86400] 4.47.49.123.in-addr.arpa. domain name pointer grameen.grameen.com host4.btcl.net.bd
[86400] 5.47.49.123.in-addr.arpa. domain name pointer host5.btcl.net.bd mail.grameen.com
[86400] 6.47.49.123.in-addr.arpa. domain name pointer host6.btcl.net.bd
[86400] 7.47.49.123.in-addr.arpa. domain name pointer host7.btcl.net.bd
[86400] 8.47.49.123.in-addr.arpa. domain name pointer host8.btcl.net.bd
[86400] 9.47.49.123.in-addr.arpa. domain name pointer host9.btcl.net.bd mail.yunuscentre.org
[86400] 10.47.49.123.in-addr.arpa. domain name pointer host10.btcl.net.bd
[86400] 11.47.49.123.in-addr.arpa. domain name pointer host11.btcl.net.bd
[86400] 12.47.49.123.in-addr.arpa. domain name pointer host12.btcl.net.bd
[86400] 13.47.49.123.in-addr.arpa. domain name pointer host13.btcl.net.bd
[86400] 14.47.49.123.in-addr.arpa. domain name pointer host14.btcl.net.bd
[86400] 15.47.49.123.in-addr.arpa. domain name pointer host15.btcl.net.bd
[86400] 16.47.49.123.in-addr.arpa. domain name pointer host16.btcl.net.bd
[86400] 17.47.49.123.in-addr.arpa. domain name pointer host17.btcl.net.bd
[86400] 18.47.49.123.in-addr.arpa. domain name pointer host18.btcl.net.bd
[86400] 19.47.49.123.in-addr.arpa. domain name pointer host19.btcl.net.bd
[86400] 20.47.49.123.in-addr.arpa. domain name pointer host20.btcl.net.bd
[86400] 21.47.49.123.in-addr.arpa. domain name pointer host21.btcl.net.bd
[86400] 22.47.49.123.in-addr.arpa. domain name pointer host22.btcl.net.bd
[86400] 23.47.49.123.in-addr.arpa. domain name pointer host23.btcl.net.bd
[86400] 24.47.49.123.in-addr.arpa. domain name pointer grameen.grameen.com host24.btcl.net.bd
[86400] 25.47.49.123.in-addr.arpa. domain name pointer host25.btcl.net.bd mail.grameen.com
[86400] 26.47.49.123.in-addr.arpa. domain name pointer mail.yunuscentre.org host26.btcl.net.bd
[86400] 27.47.49.123.in-addr.arpa. domain name pointer host27.btcl.net.bd
[86400] 28.47.49.123.in-addr.arpa. domain name pointer host28.btcl.net.bd
[86400] 29.47.49.123.in-addr.arpa. domain name pointer host29.btcl.net.bd
[86400] 30.47.49.123.in-addr.arpa. domain name pointer host30.btcl.net.bd
[86400] 31.47.49.123.in-addr.arpa. domain name pointer host31.btcl.net.bd
[86400] 32.47.49.123.in-addr.arpa. domain name pointer host32.btcl.net.bd
[86400] 33.47.49.123.in-addr.arpa. domain name pointer host33.btcl.net.bd fairlon.fairlon.com
[86400] 34.47.49.123.in-addr.arpa. domain name pointer host34.btcl.net.bd primeknit.primeknittex.com
[86400] 35.47.49.123.in-addr.arpa. domain name pointer host35.btcl.net.bd cnfmail.confidence-bd.com
[86400] 36.47.49.123.in-addr.arpa. domain name pointer host36.btcl.net.bd mail.victorygroupbd.com
[86400] 37.47.49.123.in-addr.arpa. domain name pointer host37.btcl.net.bd
[86400] 38.47.49.123.in-addr.arpa. domain name pointer host38.btcl.net.bd
[86400] 39.47.49.123.in-addr.arpa. domain name pointer host39.btcl.net.bd
[86400] 40.47.49.123.in-addr.arpa. domain name pointer host40.btcl.net.bd
[86400] 41.47.49.123.in-addr.arpa. domain name pointer host41.btcl.net.bd
[86400] 42.47.49.123.in-addr.arpa. domain name pointer host42.btcl.net.bd
[86400] 43.47.49.123.in-addr.arpa. domain name pointer host43.btcl.net.bd
[86400] 44.47.49.123.in-addr.arpa. domain name pointer host44.btcl.net.bd
[86400] 45.47.49.123.in-addr.arpa. domain name pointer host45.btcl.net.bd
[86400] 46.47.49.123.in-addr.arpa. domain name pointer host46.btcl.net.bd
[86400] 47.47.49.123.in-addr.arpa. domain name pointer host47.btcl.net.bd
[86400] 48.47.49.123.in-addr.arpa. domain name pointer host48.btcl.net.bd
[86400] 49.47.49.123.in-addr.arpa. domain name pointer host49.btcl.net.bd
[86400] 50.47.49.123.in-addr.arpa. domain name pointer host50.btcl.net.bd
[86400] 51.47.49.123.in-addr.arpa. domain name pointer host51.btcl.net.bd
[86400] 52.47.49.123.in-addr.arpa. domain name pointer host52.btcl.net.bd
[86400] 53.47.49.123.in-addr.arpa. domain name pointer host53.btcl.net.bd
[86400] 54.47.49.123.in-addr.arpa. domain name pointer host54.btcl.net.bd
[86400] 55.47.49.123.in-addr.arpa. domain name pointer host55.btcl.net.bd
[86400] 56.47.49.123.in-addr.arpa. domain name pointer host56.btcl.net.bd
[86400] 57.47.49.123.in-addr.arpa. domain name pointer host57.btcl.net.bd
[86400] 58.47.49.123.in-addr.arpa. domain name pointer host58.btcl.net.bd
[86400] 59.47.49.123.in-addr.arpa. domain name pointer host59.btcl.net.bd
[86400] 60.47.49.123.in-addr.arpa. domain name pointer host60.btcl.net.bd
[86400] 61.47.49.123.in-addr.arpa. domain name pointer host61.btcl.net.bd
[86400] 62.47.49.123.in-addr.arpa. domain name pointer host62.btcl.net.bd
[86400] 63.47.49.123.in-addr.arpa. domain name pointer host63.btcl.net.bd
[86400] 64.47.49.123.in-addr.arpa. domain name pointer host64.btcl.net.bd
[86400] 65.47.49.123.in-addr.arpa. domain name pointer host65.btcl.net.bd
[86400] 66.47.49.123.in-addr.arpa. domain name pointer host66.btcl.net.bd
[86400] 67.47.49.123.in-addr.arpa. domain name pointer host67.btcl.net.bd
[86400] 68.47.49.123.in-addr.arpa. domain name pointer host68.btcl.net.bd
[86400] 69.47.49.123.in-addr.arpa. domain name pointer host69.btcl.net.bd
[86400] 70.47.49.123.in-addr.arpa. domain name pointer host70.btcl.net.bd
[86400] 71.47.49.123.in-addr.arpa. domain name pointer host71.btcl.net.bd
[86400] 72.47.49.123.in-addr.arpa. domain name pointer host72.btcl.net.bd
[86400] 73.47.49.123.in-addr.arpa. domain name pointer host73.btcl.net.bd
[86400] 74.47.49.123.in-addr.arpa. domain name pointer host74.btcl.net.bd
[86400] 75.47.49.123.in-addr.arpa. domain name pointer host75.btcl.net.bd
[86400] 76.47.49.123.in-addr.arpa. domain name pointer host76.btcl.net.bd
[86400] 77.47.49.123.in-addr.arpa. domain name pointer host77.btcl.net.bd
[86400] 78.47.49.123.in-addr.arpa. domain name pointer host78.btcl.net.bd
[86400] 79.47.49.123.in-addr.arpa. domain name pointer host79.btcl.net.bd
[86400] 80.47.49.123.in-addr.arpa. domain name pointer host80.btcl.net.bd
[86400] 81.47.49.123.in-addr.arpa. domain name pointer host81.btcl.net.bd
[86400] 82.47.49.123.in-addr.arpa. domain name pointer host82.btcl.net.bd
[86400] 83.47.49.123.in-addr.arpa. domain name pointer host83.btcl.net.bd
[86400] 84.47.49.123.in-addr.arpa. domain name pointer host84.btcl.net.bd
[86400] 85.47.49.123.in-addr.arpa. domain name pointer host85.btcl.net.bd
[86400] 86.47.49.123.in-addr.arpa. domain name pointer host86.btcl.net.bd
[86400] 87.47.49.123.in-addr.arpa. domain name pointer host87.btcl.net.bd
[86400] 88.47.49.123.in-addr.arpa. domain name pointer host88.btcl.net.bd
[86400] 89.47.49.123.in-addr.arpa. domain name pointer host89.btcl.net.bd
[86400] 90.47.49.123.in-addr.arpa. domain name pointer host90.btcl.net.bd
[86400] 91.47.49.123.in-addr.arpa. domain name pointer host91.btcl.net.bd
[86400] 92.47.49.123.in-addr.arpa. domain name pointer host92.btcl.net.bd
[86400] 93.47.49.123.in-addr.arpa. domain name pointer host93.btcl.net.bd
[86400] 94.47.49.123.in-addr.arpa. domain name pointer host94.btcl.net.bd
[86400] 95.47.49.123.in-addr.arpa. domain name pointer host95.btcl.net.bd
[86400] 96.47.49.123.in-addr.arpa. domain name pointer host96.btcl.net.bd
[86400] 97.47.49.123.in-addr.arpa. domain name pointer host97.btcl.net.bd
[86400] 98.47.49.123.in-addr.arpa. domain name pointer host98.btcl.net.bd
[86400] 99.47.49.123.in-addr.arpa. domain name pointer host99.btcl.net.bd
[86400] 100.47.49.123.in-addr.arpa. domain name pointer host100.btcl.net.bd
[86400] 101.47.49.123.in-addr.arpa. domain name pointer host101.btcl.net.bd
[86400] 102.47.49.123.in-addr.arpa. domain name pointer host102.btcl.net.bd
[86400] 103.47.49.123.in-addr.arpa. domain name pointer host103.btcl.net.bd
[86400] 104.47.49.123.in-addr.arpa. domain name pointer host104.btcl.net.bd
[86400] 105.47.49.123.in-addr.arpa. domain name pointer host105.btcl.net.bd
[86400] 106.47.49.123.in-addr.arpa. domain name pointer host106.btcl.net.bd
[86400] 107.47.49.123.in-addr.arpa. domain name pointer host107.btcl.net.bd
[86400] 108.47.49.123.in-addr.arpa. domain name pointer host108.btcl.net.bd
[86400] 109.47.49.123.in-addr.arpa. domain name pointer host109.btcl.net.bd
[86400] 110.47.49.123.in-addr.arpa. domain name pointer host110.btcl.net.bd
[86400] 111.47.49.123.in-addr.arpa. domain name pointer host111.btcl.net.bd
[86400] 112.47.49.123.in-addr.arpa. domain name pointer host112.btcl.net.bd
[86400] 113.47.49.123.in-addr.arpa. domain name pointer host113.btcl.net.bd
[86400] 114.47.49.123.in-addr.arpa. domain name pointer host114.btcl.net.bd
[86400] 115.47.49.123.in-addr.arpa. domain name pointer host115.btcl.net.bd
[86400] 116.47.49.123.in-addr.arpa. domain name pointer host116.btcl.net.bd
[86400] 117.47.49.123.in-addr.arpa. domain name pointer host117.btcl.net.bd
[86400] 118.47.49.123.in-addr.arpa. domain name pointer host118.btcl.net.bd
[86400] 119.47.49.123.in-addr.arpa. domain name pointer host119.btcl.net.bd
[86400] 120.47.49.123.in-addr.arpa. domain name pointer host120.btcl.net.bd
[86400] 121.47.49.123.in-addr.arpa. domain name pointer host121.btcl.net.bd
[86400] 122.47.49.123.in-addr.arpa. domain name pointer host122.btcl.net.bd
[86400] 123.47.49.123.in-addr.arpa. domain name pointer host123.btcl.net.bd
[86400] 124.47.49.123.in-addr.arpa. domain name pointer host124.btcl.net.bd
[86400] 125.47.49.123.in-addr.arpa. domain name pointer host125.btcl.net.bd
[86400] 126.47.49.123.in-addr.arpa. domain name pointer host126.btcl.net.bd
[86400] 127.47.49.123.in-addr.arpa. domain name pointer host127.btcl.net.bd
[86400] 128.47.49.123.in-addr.arpa. domain name pointer host128.btcl.net.bd
[86400] 129.47.49.123.in-addr.arpa. domain name pointer host129.btcl.net.bd
[86400] 130.47.49.123.in-addr.arpa. domain name pointer host130.btcl.net.bd
[86400] 131.47.49.123.in-addr.arpa. domain name pointer host131.btcl.net.bd
[86400] 132.47.49.123.in-addr.arpa. domain name pointer host132.btcl.net.bd
[86400] 133.47.49.123.in-addr.arpa. domain name pointer host133.btcl.net.bd
[86400] 134.47.49.123.in-addr.arpa. domain name pointer host134.btcl.net.bd
[86400] 135.47.49.123.in-addr.arpa. domain name pointer host135.btcl.net.bd
[86400] 136.47.49.123.in-addr.arpa. domain name pointer host136.btcl.net.bd
[86400] 137.47.49.123.in-addr.arpa. domain name pointer host137.btcl.net.bd
[86400] 138.47.49.123.in-addr.arpa. domain name pointer host138.btcl.net.bd
[86400] 139.47.49.123.in-addr.arpa. domain name pointer host139.btcl.net.bd
[86400] 140.47.49.123.in-addr.arpa. domain name pointer host140.btcl.net.bd
[86400] 141.47.49.123.in-addr.arpa. domain name pointer host141.btcl.net.bd
[86400] 142.47.49.123.in-addr.arpa. domain name pointer host142.btcl.net.bd
[86400] 143.47.49.123.in-addr.arpa. domain name pointer host143.btcl.net.bd
[86400] 144.47.49.123.in-addr.arpa. domain name pointer host144.btcl.net.bd
[86400] 145.47.49.123.in-addr.arpa. domain name pointer host145.btcl.net.bd
[86400] 146.47.49.123.in-addr.arpa. domain name pointer host146.btcl.net.bd
[86400] 147.47.49.123.in-addr.arpa. domain name pointer host147.btcl.net.bd
[86400] 148.47.49.123.in-addr.arpa. domain name pointer host148.btcl.net.bd
[86400] 149.47.49.123.in-addr.arpa. domain name pointer host149.btcl.net.bd
[86400] 150.47.49.123.in-addr.arpa. domain name pointer host150.btcl.net.bd
[86400] 151.47.49.123.in-addr.arpa. domain name pointer host151.btcl.net.bd
[86400] 152.47.49.123.in-addr.arpa. domain name pointer host152.btcl.net.bd
[86400] 153.47.49.123.in-addr.arpa. domain name pointer host153.btcl.net.bd
[86400] 154.47.49.123.in-addr.arpa. domain name pointer host154.btcl.net.bd
[86400] 155.47.49.123.in-addr.arpa. domain name pointer host155.btcl.net.bd
[86400] 156.47.49.123.in-addr.arpa. domain name pointer host156.btcl.net.bd
[86400] 157.47.49.123.in-addr.arpa. domain name pointer host157.btcl.net.bd
[86400] 158.47.49.123.in-addr.arpa. domain name pointer host158.btcl.net.bd
[86400] 159.47.49.123.in-addr.arpa. domain name pointer host159.btcl.net.bd
[86400] 160.47.49.123.in-addr.arpa. domain name pointer host160.btcl.net.bd
[86400] 161.47.49.123.in-addr.arpa. domain name pointer host161.btcl.net.bd
[86400] 162.47.49.123.in-addr.arpa. domain name pointer host162.btcl.net.bd
[86400] 163.47.49.123.in-addr.arpa. domain name pointer host163.btcl.net.bd
[86400] 164.47.49.123.in-addr.arpa. domain name pointer host164.btcl.net.bd
[86400] 165.47.49.123.in-addr.arpa. domain name pointer host165.btcl.net.bd
[86400] 166.47.49.123.in-addr.arpa. domain name pointer host166.btcl.net.bd
[86400] 167.47.49.123.in-addr.arpa. domain name pointer host167.btcl.net.bd
[86400] 168.47.49.123.in-addr.arpa. domain name pointer host168.btcl.net.bd
[86400] 169.47.49.123.in-addr.arpa. domain name pointer host169.btcl.net.bd
[86400] 170.47.49.123.in-addr.arpa. domain name pointer host170.btcl.net.bd
[86400] 171.47.49.123.in-addr.arpa. domain name pointer host171.btcl.net.bd
[86400] 172.47.49.123.in-addr.arpa. domain name pointer host172.btcl.net.bd
[86400] 173.47.49.123.in-addr.arpa. domain name pointer host173.btcl.net.bd
[86400] 174.47.49.123.in-addr.arpa. domain name pointer host174.btcl.net.bd
[86400] 175.47.49.123.in-addr.arpa. domain name pointer host175.btcl.net.bd
[86400] 176.47.49.123.in-addr.arpa. domain name pointer host176.btcl.net.bd
[86400] 177.47.49.123.in-addr.arpa. domain name pointer host177.btcl.net.bd
[86400] 178.47.49.123.in-addr.arpa. domain name pointer host178.btcl.net.bd
[86400] 179.47.49.123.in-addr.arpa. domain name pointer host179.btcl.net.bd
[86400] 180.47.49.123.in-addr.arpa. domain name pointer host180.btcl.net.bd
[86400] 181.47.49.123.in-addr.arpa. domain name pointer host181.btcl.net.bd
[86400] 182.47.49.123.in-addr.arpa. domain name pointer host182.btcl.net.bd
[86400] 183.47.49.123.in-addr.arpa. domain name pointer host183.btcl.net.bd
[86400] 184.47.49.123.in-addr.arpa. domain name pointer host184.btcl.net.bd
[86400] 185.47.49.123.in-addr.arpa. domain name pointer host185.btcl.net.bd
[86400] 186.47.49.123.in-addr.arpa. domain name pointer host186.btcl.net.bd
[86400] 187.47.49.123.in-addr.arpa. domain name pointer host187.btcl.net.bd
[86400] 188.47.49.123.in-addr.arpa. domain name pointer host188.btcl.net.bd
[86400] 189.47.49.123.in-addr.arpa. domain name pointer host189.btcl.net.bd
[86400] 190.47.49.123.in-addr.arpa. domain name pointer host190.btcl.net.bd
[86400] 191.47.49.123.in-addr.arpa. domain name pointer host191.btcl.net.bd
[86400] 192.47.49.123.in-addr.arpa. domain name pointer host192.btcl.net.bd
[86400] 193.47.49.123.in-addr.arpa. domain name pointer host193.btcl.net.bd
[86400] 194.47.49.123.in-addr.arpa. domain name pointer host194.btcl.net.bd
[86400] 195.47.49.123.in-addr.arpa. domain name pointer host195.btcl.net.bd
[86400] 196.47.49.123.in-addr.arpa. domain name pointer host196.btcl.net.bd
[86400] 197.47.49.123.in-addr.arpa. domain name pointer host197.btcl.net.bd
[86400] 198.47.49.123.in-addr.arpa. domain name pointer host198.btcl.net.bd
[86400] 199.47.49.123.in-addr.arpa. domain name pointer host199.btcl.net.bd
[86400] 200.47.49.123.in-addr.arpa. domain name pointer host200.btcl.net.bd
[86400] 201.47.49.123.in-addr.arpa. domain name pointer host201.btcl.net.bd
[86400] 202.47.49.123.in-addr.arpa. domain name pointer host202.btcl.net.bd
[86400] 203.47.49.123.in-addr.arpa. domain name pointer host203.btcl.net.bd
[86400] 204.47.49.123.in-addr.arpa. domain name pointer host204.btcl.net.bd
[86400] 205.47.49.123.in-addr.arpa. domain name pointer host205.btcl.net.bd
[86400] 206.47.49.123.in-addr.arpa. domain name pointer host206.btcl.net.bd
[86400] 207.47.49.123.in-addr.arpa. domain name pointer host207.btcl.net.bd
[86400] 208.47.49.123.in-addr.arpa. domain name pointer host208.btcl.net.bd
[86400] 209.47.49.123.in-addr.arpa. domain name pointer host209.btcl.net.bd
[86400] 210.47.49.123.in-addr.arpa. domain name pointer host210.btcl.net.bd
[86400] 211.47.49.123.in-addr.arpa. domain name pointer host211.btcl.net.bd
[86400] 212.47.49.123.in-addr.arpa. domain name pointer host212.btcl.net.bd
[86400] 213.47.49.123.in-addr.arpa. domain name pointer host213.btcl.net.bd
[86400] 214.47.49.123.in-addr.arpa. domain name pointer host214.btcl.net.bd
[86400] 215.47.49.123.in-addr.arpa. domain name pointer host215.btcl.net.bd
[86400] 216.47.49.123.in-addr.arpa. domain name pointer host216.btcl.net.bd
[86400] 217.47.49.123.in-addr.arpa. domain name pointer host217.btcl.net.bd
[86400] 218.47.49.123.in-addr.arpa. domain name pointer host218.btcl.net.bd
[86400] 219.47.49.123.in-addr.arpa. domain name pointer host219.btcl.net.bd
[86400] 220.47.49.123.in-addr.arpa. domain name pointer host220.btcl.net.bd
[86400] 221.47.49.123.in-addr.arpa. domain name pointer host221.btcl.net.bd
[86400] 222.47.49.123.in-addr.arpa. domain name pointer host222.btcl.net.bd
[86400] 223.47.49.123.in-addr.arpa. domain name pointer host223.btcl.net.bd
[86400] 224.47.49.123.in-addr.arpa. domain name pointer host224.btcl.net.bd
[86400] 225.47.49.123.in-addr.arpa. domain name pointer host225.btcl.net.bd
[86400] 226.47.49.123.in-addr.arpa. domain name pointer host226.btcl.net.bd
[86400] 227.47.49.123.in-addr.arpa. domain name pointer host227.btcl.net.bd
[86400] 228.47.49.123.in-addr.arpa. domain name pointer host228.btcl.net.bd
[86400] 229.47.49.123.in-addr.arpa. domain name pointer host229.btcl.net.bd
[86400] 230.47.49.123.in-addr.arpa. domain name pointer host230.btcl.net.bd
[86400] 231.47.49.123.in-addr.arpa. domain name pointer host231.btcl.net.bd
[86400] 232.47.49.123.in-addr.arpa. domain name pointer host232.btcl.net.bd
[86400] 233.47.49.123.in-addr.arpa. domain name pointer host233.btcl.net.bd
[86400] 234.47.49.123.in-addr.arpa. domain name pointer host234.btcl.net.bd
[86400] 235.47.49.123.in-addr.arpa. domain name pointer host235.btcl.net.bd
[86400] 236.47.49.123.in-addr.arpa. domain name pointer host236.btcl.net.bd
[86400] 237.47.49.123.in-addr.arpa. domain name pointer host237.btcl.net.bd
[86400] 238.47.49.123.in-addr.arpa. domain name pointer host238.btcl.net.bd
[86400] 239.47.49.123.in-addr.arpa. domain name pointer host239.btcl.net.bd
[86400] 240.47.49.123.in-addr.arpa. domain name pointer host240.btcl.net.bd
[86400] 241.47.49.123.in-addr.arpa. domain name pointer host241.btcl.net.bd
[86400] 242.47.49.123.in-addr.arpa. domain name pointer host242.btcl.net.bd
[86400] 243.47.49.123.in-addr.arpa. domain name pointer host243.btcl.net.bd
[86400] 244.47.49.123.in-addr.arpa. domain name pointer host244.btcl.net.bd
[86400] 245.47.49.123.in-addr.arpa. domain name pointer host245.btcl.net.bd
[86400] 246.47.49.123.in-addr.arpa. domain name pointer host246.btcl.net.bd
[86400] 247.47.49.123.in-addr.arpa. domain name pointer host247.btcl.net.bd
[86400] 248.47.49.123.in-addr.arpa. domain name pointer host248.btcl.net.bd
[86400] 249.47.49.123.in-addr.arpa. domain name pointer host249.btcl.net.bd
[86400] 250.47.49.123.in-addr.arpa. domain name pointer host250.btcl.net.bd
[86400] 251.47.49.123.in-addr.arpa. domain name pointer host251.btcl.net.bd
[86400] 252.47.49.123.in-addr.arpa. domain name pointer host252.btcl.net.bd
[86400] 253.47.49.123.in-addr.arpa. domain name pointer host253.btcl.net.bd
[86400] 254.47.49.123.in-addr.arpa. domain name pointer host254.btcl.net.bd
[0] 255.47.49.123.in-addr.arpa.: domain name does not exist