[0] 0.164.74.200.in-addr.arpa.: domain name does not exist
[300] 1.164.74.200.in-addr.arpa. domain name pointer reverso.200.74.164.operaciones.gtdinternet.com
[300] 2.164.74.200.in-addr.arpa. domain name pointer smtp2.mta1.gurusmtp.com
[300] 3.164.74.200.in-addr.arpa. domain name pointer smtp3.mta1.gurusmtp.com
[300] 4.164.74.200.in-addr.arpa. domain name pointer smtp4.mta1.gurusmtp.com
[300] 5.164.74.200.in-addr.arpa. domain name pointer smtp5.mta1.gurusmtp.com
[300] 6.164.74.200.in-addr.arpa. domain name pointer smtp6.mta1.gurusmtp.com
[300] 7.164.74.200.in-addr.arpa. domain name pointer smtp7.mta1.gurusmtp.com
[300] 8.164.74.200.in-addr.arpa. domain name pointer smtp8.mta1.gurusmtp.com
[300] 9.164.74.200.in-addr.arpa. domain name pointer smtp9.mta1.gurusmtp.com
[300] 10.164.74.200.in-addr.arpa. domain name pointer smtp10.mta1.gurusmtp.com
[300] 11.164.74.200.in-addr.arpa. domain name pointer smtp11.mta1.gurusmtp.com
[300] 12.164.74.200.in-addr.arpa. domain name pointer smtp12.mta1.gurusmtp.com
[300] 13.164.74.200.in-addr.arpa. domain name pointer smtp13.mta1.gurusmtp.com
[300] 14.164.74.200.in-addr.arpa. domain name pointer smtp14.mta1.gurusmtp.com
[300] 15.164.74.200.in-addr.arpa. domain name pointer smtp15.mta1.gurusmtp.com
[300] 16.164.74.200.in-addr.arpa. domain name pointer smtp16.mta1.gurusmtp.com
[300] 17.164.74.200.in-addr.arpa. domain name pointer smtp17.mta1.gurusmtp.com
[300] 18.164.74.200.in-addr.arpa. domain name pointer smtp18.mta1.gurusmtp.com
[300] 19.164.74.200.in-addr.arpa. domain name pointer smtp19.mta1.gurusmtp.com
[300] 20.164.74.200.in-addr.arpa. domain name pointer smtp20.mta1.gurusmtp.com
[300] 21.164.74.200.in-addr.arpa. domain name pointer smtp21.mta1.gurusmtp.com
[300] 22.164.74.200.in-addr.arpa. domain name pointer smtp22.mta1.gurusmtp.com
[300] 23.164.74.200.in-addr.arpa. domain name pointer smtp23.mta1.gurusmtp.com
[300] 24.164.74.200.in-addr.arpa. domain name pointer smtp24.mta1.gurusmtp.com
[300] 25.164.74.200.in-addr.arpa. domain name pointer smtp25.mta1.gurusmtp.com
[300] 26.164.74.200.in-addr.arpa. domain name pointer smtp26.mta1.gurusmtp.com
[300] 27.164.74.200.in-addr.arpa. domain name pointer smtp27.mta1.gurusmtp.com
[300] 28.164.74.200.in-addr.arpa. domain name pointer smtp28.mta1.gurusmtp.com
[300] 29.164.74.200.in-addr.arpa. domain name pointer smtp29.mta1.gurusmtp.com
[300] 30.164.74.200.in-addr.arpa. domain name pointer smtp30.mta1.gurusmtp.com
[300] 31.164.74.200.in-addr.arpa. domain name pointer smtp31.mta1.gurusmtp.com
[300] 32.164.74.200.in-addr.arpa. domain name pointer smtp32.mta1.gurusmtp.com
[300] 33.164.74.200.in-addr.arpa. domain name pointer smtp33.mta1.gurusmtp.com
[300] 34.164.74.200.in-addr.arpa. domain name pointer smtp34.mta1.gurusmtp.com
[300] 35.164.74.200.in-addr.arpa. domain name pointer smtp35.mta1.gurusmtp.com
[300] 36.164.74.200.in-addr.arpa. domain name pointer smtp36.mta1.gurusmtp.com
[300] 37.164.74.200.in-addr.arpa. domain name pointer smtp37.mta1.gurusmtp.com
[300] 38.164.74.200.in-addr.arpa. domain name pointer smtp38.mta1.gurusmtp.com
[300] 39.164.74.200.in-addr.arpa. domain name pointer smtp39.mta1.gurusmtp.com
[300] 40.164.74.200.in-addr.arpa. domain name pointer smtp40.mta1.gurusmtp.com
[300] 41.164.74.200.in-addr.arpa. domain name pointer smtp41.mta1.gurusmtp.com
[300] 42.164.74.200.in-addr.arpa. domain name pointer smtp42.mta1.gurusmtp.com
[300] 43.164.74.200.in-addr.arpa. domain name pointer smtp43.mta1.gurusmtp.com
[300] 44.164.74.200.in-addr.arpa. domain name pointer smtp44.mta1.gurusmtp.com
[300] 45.164.74.200.in-addr.arpa. domain name pointer smtp45.mta1.gurusmtp.com
[300] 46.164.74.200.in-addr.arpa. domain name pointer smtp46.mta1.gurusmtp.com
[300] 47.164.74.200.in-addr.arpa. domain name pointer smtp47.mta1.gurusmtp.com
[300] 48.164.74.200.in-addr.arpa. domain name pointer smtp48.mta1.gurusmtp.com
[300] 49.164.74.200.in-addr.arpa. domain name pointer smtp49.mta1.gurusmtp.com
[300] 50.164.74.200.in-addr.arpa. domain name pointer smtp50.mta1.gurusmtp.com
[300] 51.164.74.200.in-addr.arpa. domain name pointer smtp51.mta1.gurusmtp.com
[300] 52.164.74.200.in-addr.arpa. domain name pointer smtp52.mta1.gurusmtp.com
[300] 53.164.74.200.in-addr.arpa. domain name pointer smtp53.mta1.gurusmtp.com
[300] 54.164.74.200.in-addr.arpa. domain name pointer smtp54.mta1.gurusmtp.com
[300] 55.164.74.200.in-addr.arpa. domain name pointer smtp55.mta1.gurusmtp.com
[300] 56.164.74.200.in-addr.arpa. domain name pointer smtp56.mta1.gurusmtp.com
[300] 57.164.74.200.in-addr.arpa. domain name pointer smtp57.mta1.gurusmtp.com
[300] 58.164.74.200.in-addr.arpa. domain name pointer smtp58.mta1.gurusmtp.com
[300] 59.164.74.200.in-addr.arpa. domain name pointer smtp59.mta1.gurusmtp.com
[300] 60.164.74.200.in-addr.arpa. domain name pointer smtp60.mta1.gurusmtp.com
[300] 61.164.74.200.in-addr.arpa. domain name pointer smtp61.mta1.gurusmtp.com
[300] 62.164.74.200.in-addr.arpa. domain name pointer smtp62.mta1.gurusmtp.com
[300] 63.164.74.200.in-addr.arpa. domain name pointer smtp63.mta1.gurusmtp.com
[300] 64.164.74.200.in-addr.arpa. domain name pointer smtp64.mta1.gurusmtp.com
[300] 65.164.74.200.in-addr.arpa. domain name pointer smtp65.mta1.gurusmtp.com
[300] 66.164.74.200.in-addr.arpa. domain name pointer smtp66.mta1.gurusmtp.com
[300] 67.164.74.200.in-addr.arpa. domain name pointer smtp67.mta1.gurusmtp.com
[300] 68.164.74.200.in-addr.arpa. domain name pointer smtp68.mta1.gurusmtp.com
[300] 69.164.74.200.in-addr.arpa. domain name pointer smtp69.mta1.gurusmtp.com
[300] 70.164.74.200.in-addr.arpa. domain name pointer smtp70.mta1.gurusmtp.com
[300] 71.164.74.200.in-addr.arpa. domain name pointer smtp71.mta1.gurusmtp.com
[300] 72.164.74.200.in-addr.arpa. domain name pointer smtp72.mta1.gurusmtp.com
[300] 73.164.74.200.in-addr.arpa. domain name pointer smtp73.mta1.gurusmtp.com
[300] 74.164.74.200.in-addr.arpa. domain name pointer smtp74.mta1.gurusmtp.com
[300] 75.164.74.200.in-addr.arpa. domain name pointer smtp75.mta1.gurusmtp.com
[300] 76.164.74.200.in-addr.arpa. domain name pointer smtp76.mta1.gurusmtp.com
[300] 77.164.74.200.in-addr.arpa. domain name pointer smtp77.mta1.gurusmtp.com
[300] 78.164.74.200.in-addr.arpa. domain name pointer smtp78.mta1.gurusmtp.com
[300] 79.164.74.200.in-addr.arpa. domain name pointer smtp79.mta1.gurusmtp.com
[300] 80.164.74.200.in-addr.arpa. domain name pointer smtp80.mta1.gurusmtp.com
[300] 81.164.74.200.in-addr.arpa. domain name pointer smtp81.mta1.gurusmtp.com
[300] 82.164.74.200.in-addr.arpa. domain name pointer smtp82.mta1.gurusmtp.com
[300] 83.164.74.200.in-addr.arpa. domain name pointer smtp83.mta1.gurusmtp.com
[300] 84.164.74.200.in-addr.arpa. domain name pointer smtp84.mta1.gurusmtp.com
[300] 85.164.74.200.in-addr.arpa. domain name pointer smtp85.mta1.gurusmtp.com
[300] 86.164.74.200.in-addr.arpa. domain name pointer smtp86.mta1.gurusmtp.com
[300] 87.164.74.200.in-addr.arpa. domain name pointer smtp87.mta1.gurusmtp.com
[300] 88.164.74.200.in-addr.arpa. domain name pointer smtp88.mta1.gurusmtp.com
[300] 89.164.74.200.in-addr.arpa. domain name pointer smtp89.mta1.gurusmtp.com
[300] 90.164.74.200.in-addr.arpa. domain name pointer smtp90.mta1.gurusmtp.com
[300] 91.164.74.200.in-addr.arpa. domain name pointer smtp91.mta1.gurusmtp.com
[300] 92.164.74.200.in-addr.arpa. domain name pointer smtp92.mta1.gurusmtp.com
[300] 93.164.74.200.in-addr.arpa. domain name pointer smtp93.mta1.gurusmtp.com
[300] 94.164.74.200.in-addr.arpa. domain name pointer smtp94.mta1.gurusmtp.com
[300] 95.164.74.200.in-addr.arpa. domain name pointer smtp95.mta1.gurusmtp.com
[300] 96.164.74.200.in-addr.arpa. domain name pointer smtp96.mta1.gurusmtp.com
[300] 97.164.74.200.in-addr.arpa. domain name pointer smtp97.mta1.gurusmtp.com
[300] 98.164.74.200.in-addr.arpa. domain name pointer smtp98.mta1.gurusmtp.com
[300] 99.164.74.200.in-addr.arpa. domain name pointer smtp99.mta1.gurusmtp.com
[300] 100.164.74.200.in-addr.arpa. domain name pointer smtp100.mta1.gurusmtp.com
[300] 101.164.74.200.in-addr.arpa. domain name pointer smtp101.mta1.gurusmtp.com
[300] 102.164.74.200.in-addr.arpa. domain name pointer smtp102.mta1.gurusmtp.com
[300] 103.164.74.200.in-addr.arpa. domain name pointer smtp103.mta1.gurusmtp.com
[300] 104.164.74.200.in-addr.arpa. domain name pointer smtp104.mta1.gurusmtp.com
[300] 105.164.74.200.in-addr.arpa. domain name pointer smtp105.mta1.gurusmtp.com
[300] 106.164.74.200.in-addr.arpa. domain name pointer smtp106.mta1.gurusmtp.com
[300] 107.164.74.200.in-addr.arpa. domain name pointer smtp107.mta1.gurusmtp.com
[300] 108.164.74.200.in-addr.arpa. domain name pointer smtp108.mta1.gurusmtp.com
[300] 109.164.74.200.in-addr.arpa. domain name pointer smtp109.mta1.gurusmtp.com
[300] 110.164.74.200.in-addr.arpa. domain name pointer smtp110.mta1.gurusmtp.com
[300] 111.164.74.200.in-addr.arpa. domain name pointer smtp111.mta1.gurusmtp.com
[300] 112.164.74.200.in-addr.arpa. domain name pointer smtp112.mta1.gurusmtp.com
[300] 113.164.74.200.in-addr.arpa. domain name pointer smtp113.mta1.gurusmtp.com
[300] 114.164.74.200.in-addr.arpa. domain name pointer smtp114.mta1.gurusmtp.com
[300] 115.164.74.200.in-addr.arpa. domain name pointer smtp115.mta1.gurusmtp.com
[300] 116.164.74.200.in-addr.arpa. domain name pointer smtp116.mta1.gurusmtp.com
[300] 117.164.74.200.in-addr.arpa. domain name pointer smtp117.mta1.gurusmtp.com
[300] 118.164.74.200.in-addr.arpa. domain name pointer smtp118.mta1.gurusmtp.com
[300] 119.164.74.200.in-addr.arpa. domain name pointer smtp119.mta1.gurusmtp.com
[300] 120.164.74.200.in-addr.arpa. domain name pointer smtp120.mta1.gurusmtp.com
[300] 121.164.74.200.in-addr.arpa. domain name pointer smtp121.mta1.gurusmtp.com
[300] 122.164.74.200.in-addr.arpa. domain name pointer smtp122.mta1.gurusmtp.com
[300] 123.164.74.200.in-addr.arpa. domain name pointer smtp123.mta1.gurusmtp.com
[300] 124.164.74.200.in-addr.arpa. domain name pointer smtp124.mta1.gurusmtp.com
[300] 125.164.74.200.in-addr.arpa. domain name pointer smtp125.mta1.gurusmtp.com
[300] 126.164.74.200.in-addr.arpa. domain name pointer smtp126.mta1.gurusmtp.com
[300] 127.164.74.200.in-addr.arpa. domain name pointer smtp127.mta1.gurusmtp.com
[300] 128.164.74.200.in-addr.arpa. domain name pointer smtp128.mta1.gurusmtp.com
[300] 129.164.74.200.in-addr.arpa. domain name pointer smtp129.mta1.gurusmtp.com
[300] 130.164.74.200.in-addr.arpa. domain name pointer smtp130.mta1.gurusmtp.com
[300] 131.164.74.200.in-addr.arpa. domain name pointer smtp131.mta1.gurusmtp.com
[300] 132.164.74.200.in-addr.arpa. domain name pointer smtp132.mta1.gurusmtp.com
[300] 133.164.74.200.in-addr.arpa. domain name pointer smtp133.mta1.gurusmtp.com
[300] 134.164.74.200.in-addr.arpa. domain name pointer smtp134.mta1.gurusmtp.com
[300] 135.164.74.200.in-addr.arpa. domain name pointer smtp135.mta1.gurusmtp.com
[300] 136.164.74.200.in-addr.arpa. domain name pointer smtp136.mta1.gurusmtp.com
[300] 137.164.74.200.in-addr.arpa. domain name pointer smtp137.mta1.gurusmtp.com
[300] 138.164.74.200.in-addr.arpa. domain name pointer smtp138.mta1.gurusmtp.com
[300] 139.164.74.200.in-addr.arpa. domain name pointer smtp139.mta1.gurusmtp.com
[300] 140.164.74.200.in-addr.arpa. domain name pointer smtp140.mta1.gurusmtp.com
[300] 141.164.74.200.in-addr.arpa. domain name pointer smtp141.mta1.gurusmtp.com
[300] 142.164.74.200.in-addr.arpa. domain name pointer smtp142.mta1.gurusmtp.com
[300] 143.164.74.200.in-addr.arpa. domain name pointer smtp143.mta1.gurusmtp.com
[300] 144.164.74.200.in-addr.arpa. domain name pointer smtp144.mta1.gurusmtp.com
[300] 145.164.74.200.in-addr.arpa. domain name pointer smtp145.mta1.gurusmtp.com
[300] 146.164.74.200.in-addr.arpa. domain name pointer smtp146.mta1.gurusmtp.com
[300] 147.164.74.200.in-addr.arpa. domain name pointer smtp147.mta1.gurusmtp.com
[300] 148.164.74.200.in-addr.arpa. domain name pointer smtp148.mta1.gurusmtp.com
[300] 149.164.74.200.in-addr.arpa. domain name pointer smtp149.mta1.gurusmtp.com
[300] 150.164.74.200.in-addr.arpa. domain name pointer smtp150.mta1.gurusmtp.com
[300] 151.164.74.200.in-addr.arpa. domain name pointer smtp151.mta1.gurusmtp.com
[300] 152.164.74.200.in-addr.arpa. domain name pointer smtp152.mta1.gurusmtp.com
[300] 153.164.74.200.in-addr.arpa. domain name pointer smtp153.mta1.gurusmtp.com
[300] 154.164.74.200.in-addr.arpa. domain name pointer smtp154.mta1.gurusmtp.com
[300] 155.164.74.200.in-addr.arpa. domain name pointer smtp155.mta1.gurusmtp.com
[300] 156.164.74.200.in-addr.arpa. domain name pointer smtp156.mta1.gurusmtp.com
[300] 157.164.74.200.in-addr.arpa. domain name pointer smtp157.mta1.gurusmtp.com
[300] 158.164.74.200.in-addr.arpa. domain name pointer smtp158.mta1.gurusmtp.com
[300] 159.164.74.200.in-addr.arpa. domain name pointer smtp159.mta1.gurusmtp.com
[300] 160.164.74.200.in-addr.arpa. domain name pointer smtp160.mta1.gurusmtp.com
[300] 161.164.74.200.in-addr.arpa. domain name pointer smtp161.mta1.gurusmtp.com
[300] 162.164.74.200.in-addr.arpa. domain name pointer smtp162.mta1.gurusmtp.com
[300] 163.164.74.200.in-addr.arpa. domain name pointer smtp163.mta1.gurusmtp.com
[300] 164.164.74.200.in-addr.arpa. domain name pointer smtp164.mta1.gurusmtp.com
[300] 165.164.74.200.in-addr.arpa. domain name pointer smtp165.mta1.gurusmtp.com
[300] 166.164.74.200.in-addr.arpa. domain name pointer smtp166.mta1.gurusmtp.com
[300] 167.164.74.200.in-addr.arpa. domain name pointer smtp167.mta1.gurusmtp.com
[300] 168.164.74.200.in-addr.arpa. domain name pointer smtp168.mta1.gurusmtp.com
[300] 169.164.74.200.in-addr.arpa. domain name pointer smtp169.mta1.gurusmtp.com
[300] 170.164.74.200.in-addr.arpa. domain name pointer smtp170.mta1.gurusmtp.com
[300] 171.164.74.200.in-addr.arpa. domain name pointer smtp171.mta1.gurusmtp.com
[300] 172.164.74.200.in-addr.arpa. domain name pointer smtp172.mta1.gurusmtp.com
[300] 173.164.74.200.in-addr.arpa. domain name pointer smtp173.mta1.gurusmtp.com
[300] 174.164.74.200.in-addr.arpa. domain name pointer smtp174.mta1.gurusmtp.com
[300] 175.164.74.200.in-addr.arpa. domain name pointer smtp175.mta1.gurusmtp.com
[300] 176.164.74.200.in-addr.arpa. domain name pointer smtp176.mta1.gurusmtp.com
[300] 177.164.74.200.in-addr.arpa. domain name pointer smtp177.mta1.gurusmtp.com
[300] 178.164.74.200.in-addr.arpa. domain name pointer smtp178.mta1.gurusmtp.com
[300] 179.164.74.200.in-addr.arpa. domain name pointer smtp179.mta1.gurusmtp.com
[300] 180.164.74.200.in-addr.arpa. domain name pointer smtp180.mta1.gurusmtp.com
[300] 181.164.74.200.in-addr.arpa. domain name pointer smtp181.mta1.gurusmtp.com
[300] 182.164.74.200.in-addr.arpa. domain name pointer smtp182.mta1.gurusmtp.com
[300] 183.164.74.200.in-addr.arpa. domain name pointer smtp183.mta1.gurusmtp.com
[300] 184.164.74.200.in-addr.arpa. domain name pointer smtp184.mta1.gurusmtp.com
[300] 185.164.74.200.in-addr.arpa. domain name pointer smtp185.mta1.gurusmtp.com
[300] 186.164.74.200.in-addr.arpa. domain name pointer smtp186.mta1.gurusmtp.com
[300] 187.164.74.200.in-addr.arpa. domain name pointer smtp187.mta1.gurusmtp.com
[300] 188.164.74.200.in-addr.arpa. domain name pointer smtp188.mta1.gurusmtp.com
[300] 189.164.74.200.in-addr.arpa. domain name pointer smtp189.mta1.gurusmtp.com
[300] 190.164.74.200.in-addr.arpa. domain name pointer smtp190.mta1.gurusmtp.com
[300] 191.164.74.200.in-addr.arpa. domain name pointer smtp191.mta1.gurusmtp.com
[300] 192.164.74.200.in-addr.arpa. domain name pointer smtp192.mta1.gurusmtp.com
[300] 193.164.74.200.in-addr.arpa. domain name pointer smtp193.mta1.gurusmtp.com
[300] 194.164.74.200.in-addr.arpa. domain name pointer smtp194.mta1.gurusmtp.com
[300] 195.164.74.200.in-addr.arpa. domain name pointer smtp195.mta1.gurusmtp.com
[300] 196.164.74.200.in-addr.arpa. domain name pointer smtp196.mta1.gurusmtp.com
[300] 197.164.74.200.in-addr.arpa. domain name pointer smtp197.mta1.gurusmtp.com
[300] 198.164.74.200.in-addr.arpa. domain name pointer smtp198.mta1.gurusmtp.com
[300] 199.164.74.200.in-addr.arpa. domain name pointer smtp199.mta1.gurusmtp.com
[300] 200.164.74.200.in-addr.arpa. domain name pointer smtp200.mta1.gurusmtp.com
[300] 201.164.74.200.in-addr.arpa. domain name pointer smtp201.mta1.gurusmtp.com
[300] 202.164.74.200.in-addr.arpa. domain name pointer smtp202.mta1.gurusmtp.com
[300] 203.164.74.200.in-addr.arpa. domain name pointer smtp203.mta1.gurusmtp.com
[300] 204.164.74.200.in-addr.arpa. domain name pointer smtp204.mta1.gurusmtp.com
[300] 205.164.74.200.in-addr.arpa. domain name pointer smtp205.mta1.gurusmtp.com
[300] 206.164.74.200.in-addr.arpa. domain name pointer smtp206.mta1.gurusmtp.com
[300] 207.164.74.200.in-addr.arpa. domain name pointer smtp207.mta1.gurusmtp.com
[300] 208.164.74.200.in-addr.arpa. domain name pointer smtp208.mta1.gurusmtp.com
[300] 209.164.74.200.in-addr.arpa. domain name pointer smtp209.mta1.gurusmtp.com
[300] 210.164.74.200.in-addr.arpa. domain name pointer smtp210.mta1.gurusmtp.com
[300] 211.164.74.200.in-addr.arpa. domain name pointer smtp211.mta1.gurusmtp.com
[300] 212.164.74.200.in-addr.arpa. domain name pointer smtp212.mta1.gurusmtp.com
[300] 213.164.74.200.in-addr.arpa. domain name pointer smtp213.mta1.gurusmtp.com
[300] 214.164.74.200.in-addr.arpa. domain name pointer smtp214.mta1.gurusmtp.com
[300] 215.164.74.200.in-addr.arpa. domain name pointer smtp215.mta1.gurusmtp.com
[300] 216.164.74.200.in-addr.arpa. domain name pointer smtp216.mta1.gurusmtp.com
[300] 217.164.74.200.in-addr.arpa. domain name pointer smtp217.mta1.gurusmtp.com
[300] 218.164.74.200.in-addr.arpa. domain name pointer smtp218.mta1.gurusmtp.com
[300] 219.164.74.200.in-addr.arpa. domain name pointer smtp219.mta1.gurusmtp.com
[300] 220.164.74.200.in-addr.arpa. domain name pointer smtp220.mta1.gurusmtp.com
[300] 221.164.74.200.in-addr.arpa. domain name pointer smtp221.mta1.gurusmtp.com
[300] 222.164.74.200.in-addr.arpa. domain name pointer smtp222.mta1.gurusmtp.com
[300] 223.164.74.200.in-addr.arpa. domain name pointer smtp223.mta1.gurusmtp.com
[300] 224.164.74.200.in-addr.arpa. domain name pointer smtp224.mta1.gurusmtp.com
[300] 225.164.74.200.in-addr.arpa. domain name pointer smtp225.mta1.gurusmtp.com
[300] 226.164.74.200.in-addr.arpa. domain name pointer smtp226.mta1.gurusmtp.com
[300] 227.164.74.200.in-addr.arpa. domain name pointer smtp227.mta1.gurusmtp.com
[300] 228.164.74.200.in-addr.arpa. domain name pointer smtp228.mta1.gurusmtp.com
[300] 229.164.74.200.in-addr.arpa. domain name pointer smtp229.mta1.gurusmtp.com
[300] 230.164.74.200.in-addr.arpa. domain name pointer smtp230.mta1.gurusmtp.com
[300] 231.164.74.200.in-addr.arpa. domain name pointer smtp231.mta1.gurusmtp.com
[300] 232.164.74.200.in-addr.arpa. domain name pointer smtp232.mta1.gurusmtp.com
[300] 233.164.74.200.in-addr.arpa. domain name pointer smtp233.mta1.gurusmtp.com
[300] 234.164.74.200.in-addr.arpa. domain name pointer smtp234.mta1.gurusmtp.com
[300] 235.164.74.200.in-addr.arpa. domain name pointer smtp235.mta1.gurusmtp.com
[300] 236.164.74.200.in-addr.arpa. domain name pointer smtp236.mta1.gurusmtp.com
[300] 237.164.74.200.in-addr.arpa. domain name pointer smtp237.mta1.gurusmtp.com
[300] 238.164.74.200.in-addr.arpa. domain name pointer smtp238.mta1.gurusmtp.com
[300] 239.164.74.200.in-addr.arpa. domain name pointer smtp239.mta1.gurusmtp.com
[300] 240.164.74.200.in-addr.arpa. domain name pointer smtp240.mta1.gurusmtp.com
[300] 241.164.74.200.in-addr.arpa. domain name pointer smtp241.mta1.gurusmtp.com
[300] 242.164.74.200.in-addr.arpa. domain name pointer smtp242.mta1.gurusmtp.com
[300] 243.164.74.200.in-addr.arpa. domain name pointer smtp243.mta1.gurusmtp.com
[300] 244.164.74.200.in-addr.arpa. domain name pointer smtp244.mta1.gurusmtp.com
[300] 245.164.74.200.in-addr.arpa. domain name pointer smtp245.mta1.gurusmtp.com
[300] 246.164.74.200.in-addr.arpa. domain name pointer smtp246.mta1.gurusmtp.com
[300] 247.164.74.200.in-addr.arpa. domain name pointer smtp247.mta1.gurusmtp.com
[300] 248.164.74.200.in-addr.arpa. domain name pointer smtp248.mta1.gurusmtp.com
[300] 249.164.74.200.in-addr.arpa. domain name pointer smtp249.mta1.gurusmtp.com
[300] 250.164.74.200.in-addr.arpa. domain name pointer smtp250.mta1.gurusmtp.com
[300] 251.164.74.200.in-addr.arpa. domain name pointer smtp251.mta1.gurusmtp.com
[300] 252.164.74.200.in-addr.arpa. domain name pointer smtp252.mta1.gurusmtp.com
[300] 253.164.74.200.in-addr.arpa. domain name pointer smtp253.mta1.gurusmtp.com
[300] 254.164.74.200.in-addr.arpa. domain name pointer smtp254.mta1.gurusmtp.com
[0] 255.164.74.200.in-addr.arpa.: domain name does not exist