[0] 0.134.71.217.in-addr.arpa.: domain name does not exist
[0] 1.134.71.217.in-addr.arpa.: domain name does not exist
[0] 2.134.71.217.in-addr.arpa.: domain name does not exist
[0] 3.134.71.217.in-addr.arpa.: domain name does not exist
[0] 4.134.71.217.in-addr.arpa.: domain name does not exist
[0] 5.134.71.217.in-addr.arpa.: domain name does not exist
[0] 6.134.71.217.in-addr.arpa.: domain name does not exist
[0] 7.134.71.217.in-addr.arpa.: domain name does not exist
[0] 8.134.71.217.in-addr.arpa.: domain name does not exist
[0] 9.134.71.217.in-addr.arpa.: domain name does not exist
[0] 10.134.71.217.in-addr.arpa.: domain name does not exist
[0] 11.134.71.217.in-addr.arpa.: domain name does not exist
[0] 12.134.71.217.in-addr.arpa.: domain name does not exist
[0] 13.134.71.217.in-addr.arpa.: domain name does not exist
[0] 14.134.71.217.in-addr.arpa.: domain name does not exist
[0] 15.134.71.217.in-addr.arpa.: domain name does not exist
[0] 16.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 17.134.71.217.in-addr.arpa. domain name pointer iv-gw.nstu.ru
[3600] 18.134.71.217.in-addr.arpa. domain name pointer ref.nstu.ru
[3600] 19.134.71.217.in-addr.arpa. domain name pointer kof.ref.nstu.ru
[3600] 20.134.71.217.in-addr.arpa. domain name pointer amber.ref.nstu.ru
[3600] 21.134.71.217.in-addr.arpa. domain name pointer epu.ref.nstu.ru
[3600] 22.134.71.217.in-addr.arpa. domain name pointer dekanat.ref.nstu.ru
[3600] 23.134.71.217.in-addr.arpa. domain name pointer cie.ref.nstu.ru
[3600] 24.134.71.217.in-addr.arpa. domain name pointer infoptic.ref.nstu.ru
[3600] 25.134.71.217.in-addr.arpa. domain name pointer ktor.ref.nstu.ru
[3600] 26.134.71.217.in-addr.arpa. domain name pointer rpu.ref.nstu.ru
[3600] 27.134.71.217.in-addr.arpa. domain name pointer nil.ref.nstu.ru
[3600] 28.134.71.217.in-addr.arpa. domain name pointer koe.ref.nstu.ru
[3600] 29.134.71.217.in-addr.arpa. domain name pointer ktrs.ref.nstu.ru
[3600] 30.134.71.217.in-addr.arpa. domain name pointer rte.nstu.ru
[0] 31.134.71.217.in-addr.arpa.: domain name does not exist
[0] 32.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 33.134.71.217.in-addr.arpa. domain name pointer infoptic.ref.nstu.ru
[3600] 34.134.71.217.in-addr.arpa. domain name pointer oit1.ref.nstu.ru
[3600] 35.134.71.217.in-addr.arpa. domain name pointer oit2.ref.nstu.ru
[3600] 36.134.71.217.in-addr.arpa. domain name pointer oit3.ref.nstu.ru
[3600] 37.134.71.217.in-addr.arpa. domain name pointer oit4.ref.nstu.ru
[3600] 38.134.71.217.in-addr.arpa. domain name pointer oit5.ref.nstu.ru
[3600] 39.134.71.217.in-addr.arpa. domain name pointer oit6.ref.nstu.ru
[3600] 40.134.71.217.in-addr.arpa. domain name pointer oit7.ref.nstu.ru
[3600] 41.134.71.217.in-addr.arpa. domain name pointer oit8.ref.nstu.ru
[3600] 42.134.71.217.in-addr.arpa. domain name pointer oit9.ref.nstu.ru
[3600] 43.134.71.217.in-addr.arpa. domain name pointer oit10.ref.nstu.ru
[3600] 44.134.71.217.in-addr.arpa. domain name pointer oit11.ref.nstu.ru
[3600] 45.134.71.217.in-addr.arpa. domain name pointer oit12.ref.nstu.ru
[3600] 46.134.71.217.in-addr.arpa. domain name pointer oit13.ref.nstu.ru
[0] 47.134.71.217.in-addr.arpa.: domain name does not exist
[0] 48.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 49.134.71.217.in-addr.arpa. domain name pointer ref.nstu.ru
[3600] 50.134.71.217.in-addr.arpa. domain name pointer bromic.ref.nstu.ru
[3600] 51.134.71.217.in-addr.arpa. domain name pointer bromic1.ref.nstu.ru
[3600] 52.134.71.217.in-addr.arpa. domain name pointer edik.ref.nstu.ru
[3600] 53.134.71.217.in-addr.arpa. domain name pointer ksref1.ref.nstu.ru
[3600] 54.134.71.217.in-addr.arpa. domain name pointer ksref2.ref.nstu.ru
[3600] 55.134.71.217.in-addr.arpa. domain name pointer ksref3.ref.nstu.ru
[3600] 56.134.71.217.in-addr.arpa. domain name pointer ksref4.ref.nstu.ru
[3600] 57.134.71.217.in-addr.arpa. domain name pointer ksref5.ref.nstu.ru
[3600] 58.134.71.217.in-addr.arpa. domain name pointer ksref6.ref.nstu.ru
[3600] 59.134.71.217.in-addr.arpa. domain name pointer ksref7.ref.nstu.ru
[3600] 60.134.71.217.in-addr.arpa. domain name pointer ksref8.ref.nstu.ru
[3600] 61.134.71.217.in-addr.arpa. domain name pointer ksref9.ref.nstu.ru
[3600] 62.134.71.217.in-addr.arpa. domain name pointer ksref10.ref.nstu.ru
[0] 63.134.71.217.in-addr.arpa.: domain name does not exist
[0] 64.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 65.134.71.217.in-addr.arpa. domain name pointer koe.ref.nstu.ru
[3600] 66.134.71.217.in-addr.arpa. domain name pointer koe1.ref.nstu.ru
[3600] 67.134.71.217.in-addr.arpa. domain name pointer koe2.ref.nstu.ru
[3600] 68.134.71.217.in-addr.arpa. domain name pointer koe3.ref.nstu.ru
[3600] 69.134.71.217.in-addr.arpa. domain name pointer koe4.ref.nstu.ru
[3600] 70.134.71.217.in-addr.arpa. domain name pointer koe5.ref.nstu.ru
[3600] 71.134.71.217.in-addr.arpa. domain name pointer koe6.ref.nstu.ru
[3600] 72.134.71.217.in-addr.arpa. domain name pointer koe7.ref.nstu.ru
[3600] 73.134.71.217.in-addr.arpa. domain name pointer koe8.ref.nstu.ru
[3600] 74.134.71.217.in-addr.arpa. domain name pointer koe9.ref.nstu.ru
[3600] 75.134.71.217.in-addr.arpa. domain name pointer koe10.ref.nstu.ru
[3600] 76.134.71.217.in-addr.arpa. domain name pointer koe11.ref.nstu.ru
[3600] 77.134.71.217.in-addr.arpa. domain name pointer koe12.ref.nstu.ru
[3600] 78.134.71.217.in-addr.arpa. domain name pointer koe13.ref.nstu.ru
[0] 79.134.71.217.in-addr.arpa.: domain name does not exist
[0] 80.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 81.134.71.217.in-addr.arpa. domain name pointer ktrs.ref.nstu.ru
[3600] 82.134.71.217.in-addr.arpa. domain name pointer ktrs1.ref.nstu.ru
[3600] 83.134.71.217.in-addr.arpa. domain name pointer ktrs2.ref.nstu.ru
[3600] 84.134.71.217.in-addr.arpa. domain name pointer ktrs3.ref.nstu.ru
[3600] 85.134.71.217.in-addr.arpa. domain name pointer ktrs4.ref.nstu.ru
[3600] 86.134.71.217.in-addr.arpa. domain name pointer ktrs5.ref.nstu.ru
[3600] 87.134.71.217.in-addr.arpa. domain name pointer ktrs6.ref.nstu.ru
[3600] 88.134.71.217.in-addr.arpa. domain name pointer ktrs7.ref.nstu.ru
[3600] 89.134.71.217.in-addr.arpa. domain name pointer ktrs8.ref.nstu.ru
[3600] 90.134.71.217.in-addr.arpa. domain name pointer ktrs9.ref.nstu.ru
[3600] 91.134.71.217.in-addr.arpa. domain name pointer ktrs10.ref.nstu.ru
[3600] 92.134.71.217.in-addr.arpa. domain name pointer ktrs11.ref.nstu.ru
[3600] 93.134.71.217.in-addr.arpa. domain name pointer ktrs12.ref.nstu.ru
[3600] 94.134.71.217.in-addr.arpa. domain name pointer ktrs13.ref.nstu.ru
[0] 95.134.71.217.in-addr.arpa.: domain name does not exist
[0] 96.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 97.134.71.217.in-addr.arpa. domain name pointer epu.ref.nstu.ru
[3600] 98.134.71.217.in-addr.arpa. domain name pointer epu1.ref.nstu.ru
[3600] 99.134.71.217.in-addr.arpa. domain name pointer epu2.ref.nstu.ru
[3600] 100.134.71.217.in-addr.arpa. domain name pointer epu3.ref.nstu.ru
[3600] 101.134.71.217.in-addr.arpa. domain name pointer epu4.ref.nstu.ru
[3600] 102.134.71.217.in-addr.arpa. domain name pointer epu5.ref.nstu.ru
[3600] 103.134.71.217.in-addr.arpa. domain name pointer epu6.ref.nstu.ru
[3600] 104.134.71.217.in-addr.arpa. domain name pointer epu7.ref.nstu.ru
[3600] 105.134.71.217.in-addr.arpa. domain name pointer epu8.ref.nstu.ru
[3600] 106.134.71.217.in-addr.arpa. domain name pointer epu9.ref.nstu.ru
[3600] 107.134.71.217.in-addr.arpa. domain name pointer epu10.ref.nstu.ru
[3600] 108.134.71.217.in-addr.arpa. domain name pointer epu11.ref.nstu.ru
[3600] 109.134.71.217.in-addr.arpa. domain name pointer epu12.ref.nstu.ru
[3600] 110.134.71.217.in-addr.arpa. domain name pointer epu13.ref.nstu.ru
[0] 111.134.71.217.in-addr.arpa.: domain name does not exist
[0] 112.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 113.134.71.217.in-addr.arpa. domain name pointer cie.ref.nstu.ru
[3600] 114.134.71.217.in-addr.arpa. domain name pointer cie1.ref.nstu.ru
[3600] 115.134.71.217.in-addr.arpa. domain name pointer cie2.ref.nstu.ru
[3600] 116.134.71.217.in-addr.arpa. domain name pointer cie3.ref.nstu.ru
[3600] 117.134.71.217.in-addr.arpa. domain name pointer cie4.ref.nstu.ru
[3600] 118.134.71.217.in-addr.arpa. domain name pointer cie5.ref.nstu.ru
[3600] 119.134.71.217.in-addr.arpa. domain name pointer cie6.ref.nstu.ru
[3600] 120.134.71.217.in-addr.arpa. domain name pointer cie7.ref.nstu.ru
[3600] 121.134.71.217.in-addr.arpa. domain name pointer cie8.ref.nstu.ru
[3600] 122.134.71.217.in-addr.arpa. domain name pointer cie9.ref.nstu.ru
[3600] 123.134.71.217.in-addr.arpa. domain name pointer cie10.ref.nstu.ru
[3600] 124.134.71.217.in-addr.arpa. domain name pointer cie11.ref.nstu.ru
[3600] 125.134.71.217.in-addr.arpa. domain name pointer cie12.ref.nstu.ru
[3600] 126.134.71.217.in-addr.arpa. domain name pointer cie13.ref.nstu.ru
[0] 127.134.71.217.in-addr.arpa.: domain name does not exist
[0] 128.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 129.134.71.217.in-addr.arpa. domain name pointer amber.ref.nstu.ru
[3600] 130.134.71.217.in-addr.arpa. domain name pointer atp.ref.nstu.ru
[3600] 131.134.71.217.in-addr.arpa. domain name pointer ptf2.ref.nstu.ru
[3600] 132.134.71.217.in-addr.arpa. domain name pointer ptf3.ref.nstu.ru
[3600] 133.134.71.217.in-addr.arpa. domain name pointer ptf4.ref.nstu.ru
[3600] 134.134.71.217.in-addr.arpa. domain name pointer ptf5.ref.nstu.ru
[3600] 135.134.71.217.in-addr.arpa. domain name pointer ptf6.ref.nstu.ru
[3600] 136.134.71.217.in-addr.arpa. domain name pointer ptf7.ref.nstu.ru
[3600] 137.134.71.217.in-addr.arpa. domain name pointer ptf8.ref.nstu.ru
[3600] 138.134.71.217.in-addr.arpa. domain name pointer ptf9.ref.nstu.ru
[3600] 139.134.71.217.in-addr.arpa. domain name pointer ptf10.ref.nstu.ru
[3600] 140.134.71.217.in-addr.arpa. domain name pointer ptf11.ref.nstu.ru
[3600] 141.134.71.217.in-addr.arpa. domain name pointer ptf12.ref.nstu.ru
[3600] 142.134.71.217.in-addr.arpa. domain name pointer ptf13.ref.nstu.ru
[0] 143.134.71.217.in-addr.arpa.: domain name does not exist
[0] 144.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 145.134.71.217.in-addr.arpa. domain name pointer amber.ref.nstu.ru
[3600] 146.134.71.217.in-addr.arpa. domain name pointer amberl1.ref.nstu.ru
[3600] 147.134.71.217.in-addr.arpa. domain name pointer amberl2.ref.nstu.ru
[3600] 148.134.71.217.in-addr.arpa. domain name pointer amberl3.ref.nstu.ru
[3600] 149.134.71.217.in-addr.arpa. domain name pointer amberl4.ref.nstu.ru
[3600] 150.134.71.217.in-addr.arpa. domain name pointer amberl5.ref.nstu.ru
[3600] 151.134.71.217.in-addr.arpa. domain name pointer amberl6.ref.nstu.ru
[3600] 152.134.71.217.in-addr.arpa. domain name pointer amberl7.ref.nstu.ru
[3600] 153.134.71.217.in-addr.arpa. domain name pointer amberl8.ref.nstu.ru
[3600] 154.134.71.217.in-addr.arpa. domain name pointer amberl9.ref.nstu.ru
[3600] 155.134.71.217.in-addr.arpa. domain name pointer amberl10.ref.nstu.ru
[3600] 156.134.71.217.in-addr.arpa. domain name pointer amberl11.ref.nstu.ru
[3600] 157.134.71.217.in-addr.arpa. domain name pointer amberl12.ref.nstu.ru
[3600] 158.134.71.217.in-addr.arpa. domain name pointer amberl13.ref.nstu.ru
[0] 159.134.71.217.in-addr.arpa.: domain name does not exist
[0] 160.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 161.134.71.217.in-addr.arpa. domain name pointer amber.ref.nstu.ru
[3600] 162.134.71.217.in-addr.arpa. domain name pointer amberl14.ref.nstu.ru
[3600] 163.134.71.217.in-addr.arpa. domain name pointer amberl15.ref.nstu.ru
[3600] 164.134.71.217.in-addr.arpa. domain name pointer amberl16.ref.nstu.ru
[3600] 165.134.71.217.in-addr.arpa. domain name pointer amberl17.ref.nstu.ru
[3600] 166.134.71.217.in-addr.arpa. domain name pointer amberl18.ref.nstu.ru
[3600] 167.134.71.217.in-addr.arpa. domain name pointer amberl19.ref.nstu.ru
[3600] 168.134.71.217.in-addr.arpa. domain name pointer amberl20.ref.nstu.ru
[3600] 169.134.71.217.in-addr.arpa. domain name pointer amberl21.ref.nstu.ru
[3600] 170.134.71.217.in-addr.arpa. domain name pointer amberl22.ref.nstu.ru
[3600] 171.134.71.217.in-addr.arpa. domain name pointer amberl23.ref.nstu.ru
[3600] 172.134.71.217.in-addr.arpa. domain name pointer amberl24.ref.nstu.ru
[3600] 173.134.71.217.in-addr.arpa. domain name pointer amberl25.ref.nstu.ru
[3600] 174.134.71.217.in-addr.arpa. domain name pointer amberl26.ref.nstu.ru
[0] 175.134.71.217.in-addr.arpa.: domain name does not exist
[0] 176.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 177.134.71.217.in-addr.arpa. domain name pointer ktor.ref.nstu.ru
[3600] 178.134.71.217.in-addr.arpa. domain name pointer ktor1.ref.nstu.ru
[3600] 179.134.71.217.in-addr.arpa. domain name pointer ktor2.ref.nstu.ru
[3600] 180.134.71.217.in-addr.arpa. domain name pointer ktor3.ref.nstu.ru
[3600] 181.134.71.217.in-addr.arpa. domain name pointer ktor4.ref.nstu.ru
[3600] 182.134.71.217.in-addr.arpa. domain name pointer ktor5.ref.nstu.ru
[3600] 183.134.71.217.in-addr.arpa. domain name pointer ktor6.ref.nstu.ru
[3600] 184.134.71.217.in-addr.arpa. domain name pointer ktor7.ref.nstu.ru
[3600] 185.134.71.217.in-addr.arpa. domain name pointer ktor8.ref.nstu.ru
[3600] 186.134.71.217.in-addr.arpa. domain name pointer ktor9.ref.nstu.ru
[3600] 187.134.71.217.in-addr.arpa. domain name pointer ktor10.ref.nstu.ru
[3600] 188.134.71.217.in-addr.arpa. domain name pointer ktor11.ref.nstu.ru
[3600] 189.134.71.217.in-addr.arpa. domain name pointer ktor12.ref.nstu.ru
[3600] 190.134.71.217.in-addr.arpa. domain name pointer ktor13.ref.nstu.ru
[0] 191.134.71.217.in-addr.arpa.: domain name does not exist
[0] 192.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 193.134.71.217.in-addr.arpa. domain name pointer rpu.ref.nstu.ru
[3600] 194.134.71.217.in-addr.arpa. domain name pointer rpu1.ref.nstu.ru
[3600] 195.134.71.217.in-addr.arpa. domain name pointer rpu2.ref.nstu.ru
[3600] 196.134.71.217.in-addr.arpa. domain name pointer rpu3.ref.nstu.ru
[3600] 197.134.71.217.in-addr.arpa. domain name pointer rpu4.ref.nstu.ru
[3600] 198.134.71.217.in-addr.arpa. domain name pointer rpu5.ref.nstu.ru
[3600] 199.134.71.217.in-addr.arpa. domain name pointer rpu6.ref.nstu.ru
[3600] 200.134.71.217.in-addr.arpa. domain name pointer rpu7.ref.nstu.ru
[3600] 201.134.71.217.in-addr.arpa. domain name pointer rpu8.ref.nstu.ru
[3600] 202.134.71.217.in-addr.arpa. domain name pointer rpu9.ref.nstu.ru
[3600] 203.134.71.217.in-addr.arpa. domain name pointer rpu10.ref.nstu.ru
[3600] 204.134.71.217.in-addr.arpa. domain name pointer rpu11.ref.nstu.ru
[3600] 205.134.71.217.in-addr.arpa. domain name pointer rpu12.ref.nstu.ru
[3600] 206.134.71.217.in-addr.arpa. domain name pointer rpu13.ref.nstu.ru
[0] 207.134.71.217.in-addr.arpa.: domain name does not exist
[0] 208.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 209.134.71.217.in-addr.arpa. domain name pointer epu.ref.nstu.ru
[3600] 210.134.71.217.in-addr.arpa. domain name pointer epu14.ref.nstu.ru
[3600] 211.134.71.217.in-addr.arpa. domain name pointer epu15.ref.nstu.ru
[3600] 212.134.71.217.in-addr.arpa. domain name pointer epu16.ref.nstu.ru
[3600] 213.134.71.217.in-addr.arpa. domain name pointer epu17.ref.nstu.ru
[3600] 214.134.71.217.in-addr.arpa. domain name pointer epu18.ref.nstu.ru
[3600] 215.134.71.217.in-addr.arpa. domain name pointer epu19.ref.nstu.ru
[3600] 216.134.71.217.in-addr.arpa. domain name pointer epu20.ref.nstu.ru
[3600] 217.134.71.217.in-addr.arpa. domain name pointer epu21.ref.nstu.ru
[3600] 218.134.71.217.in-addr.arpa. domain name pointer epu22.ref.nstu.ru
[3600] 219.134.71.217.in-addr.arpa. domain name pointer epu23.ref.nstu.ru
[3600] 220.134.71.217.in-addr.arpa. domain name pointer epu24.ref.nstu.ru
[3600] 221.134.71.217.in-addr.arpa. domain name pointer epu25.ref.nstu.ru
[3600] 222.134.71.217.in-addr.arpa. domain name pointer epu26.ref.nstu.ru
[0] 223.134.71.217.in-addr.arpa.: domain name does not exist
[0] 224.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 225.134.71.217.in-addr.arpa. domain name pointer nil.ref.nstu.ru
[3600] 226.134.71.217.in-addr.arpa. domain name pointer crra.ref.nstu.ru
[3600] 227.134.71.217.in-addr.arpa. domain name pointer nilpc1.ref.nstu.ru
[3600] 228.134.71.217.in-addr.arpa. domain name pointer nilpc2.ref.nstu.ru
[3600] 229.134.71.217.in-addr.arpa. domain name pointer nilpc3.ref.nstu.ru
[3600] 230.134.71.217.in-addr.arpa. domain name pointer nilpc4.ref.nstu.ru
[3600] 231.134.71.217.in-addr.arpa. domain name pointer nilpc5.ref.nstu.ru
[3600] 232.134.71.217.in-addr.arpa. domain name pointer nilpc6.ref.nstu.ru
[3600] 233.134.71.217.in-addr.arpa. domain name pointer nilpc7.ref.nstu.ru
[3600] 234.134.71.217.in-addr.arpa. domain name pointer nilpc8.ref.nstu.ru
[3600] 235.134.71.217.in-addr.arpa. domain name pointer nilpc9.ref.nstu.ru
[3600] 236.134.71.217.in-addr.arpa. domain name pointer nilpc10.ref.nstu.ru
[3600] 237.134.71.217.in-addr.arpa. domain name pointer nilpc11.ref.nstu.ru
[3600] 238.134.71.217.in-addr.arpa. domain name pointer nilpc12.ref.nstu.ru
[0] 239.134.71.217.in-addr.arpa.: domain name does not exist
[0] 240.134.71.217.in-addr.arpa.: domain name does not exist
[3600] 241.134.71.217.in-addr.arpa. domain name pointer dekanat.ref.nstu.ru
[3600] 242.134.71.217.in-addr.arpa. domain name pointer dekanat1.ref.nstu.ru
[3600] 243.134.71.217.in-addr.arpa. domain name pointer dekanat2.ref.nstu.ru
[3600] 244.134.71.217.in-addr.arpa. domain name pointer dekanat3.ref.nstu.ru
[3600] 245.134.71.217.in-addr.arpa. domain name pointer dekanat4.ref.nstu.ru
[3600] 246.134.71.217.in-addr.arpa. domain name pointer dekanat5.ref.nstu.ru
[3600] 247.134.71.217.in-addr.arpa. domain name pointer dekanat6.ref.nstu.ru
[3600] 248.134.71.217.in-addr.arpa. domain name pointer dekanat7.ref.nstu.ru
[3600] 249.134.71.217.in-addr.arpa. domain name pointer dekanat8.ref.nstu.ru
[3600] 250.134.71.217.in-addr.arpa. domain name pointer dekanat9.ref.nstu.ru
[3600] 251.134.71.217.in-addr.arpa. domain name pointer dekanat10.ref.nstu.ru
[3600] 252.134.71.217.in-addr.arpa. domain name pointer dekanat11.ref.nstu.ru
[3600] 253.134.71.217.in-addr.arpa. domain name pointer dekanat12.ref.nstu.ru
[3600] 254.134.71.217.in-addr.arpa. domain name pointer dekanat13.ref.nstu.ru
[0] 255.134.71.217.in-addr.arpa.: domain name does not exist