[0] 0.239.86.210.in-addr.arpa.: domain name does not exist
[86400] 1.239.86.210.in-addr.arpa. domain name pointer ci239-1.netnam.vn
[86400] 2.239.86.210.in-addr.arpa. domain name pointer ci239-2.netnam.vn
[86400] 3.239.86.210.in-addr.arpa. domain name pointer ci239-3.netnam.vn
[86400] 4.239.86.210.in-addr.arpa. domain name pointer ci239-4.netnam.vn
[86400] 5.239.86.210.in-addr.arpa. domain name pointer ci239-5.netnam.vn
[86400] 6.239.86.210.in-addr.arpa. domain name pointer www.vgu.edu.vn
[86400] 7.239.86.210.in-addr.arpa. domain name pointer ci239-7.netnam.vn
[0] 8.239.86.210.in-addr.arpa.: domain name does not exist
[86400] 9.239.86.210.in-addr.arpa. domain name pointer usth.edu.vn
[86400] 10.239.86.210.in-addr.arpa. domain name pointer ci239-10.netnam.vn
[86400] 11.239.86.210.in-addr.arpa. domain name pointer em.vietnameximbank.com.vn
[86400] 12.239.86.210.in-addr.arpa. domain name pointer em.vietnameximbank.com.vn
[86400] 13.239.86.210.in-addr.arpa. domain name pointer vps.joliesiam.com
[86400] 14.239.86.210.in-addr.arpa. domain name pointer ci239-14.netnam.vn
[86400] 15.239.86.210.in-addr.arpa. domain name pointer ci239-15.netnam.vn
[86400] 16.239.86.210.in-addr.arpa. domain name pointer ci239-16.netnam.vn
[86400] 17.239.86.210.in-addr.arpa. domain name pointer ci239-17.netnam.vn
[86400] 18.239.86.210.in-addr.arpa. domain name pointer mail.mot.tamkt.name.vn
[86400] 19.239.86.210.in-addr.arpa. domain name pointer ci239-19.netnam.vn
[86400] 20.239.86.210.in-addr.arpa. domain name pointer ci239-20.netnam.vn
[86400] 21.239.86.210.in-addr.arpa. domain name pointer ci239-21.netnam.vn
[86400] 22.239.86.210.in-addr.arpa. domain name pointer marketing.pgbank.com.vn
[86400] 23.239.86.210.in-addr.arpa. domain name pointer vesta.netnam.com
[86400] 24.239.86.210.in-addr.arpa. domain name pointer viip.org.vn
[86400] 25.239.86.210.in-addr.arpa. domain name pointer ci239-25.netnam.vn
[86400] 26.239.86.210.in-addr.arpa. domain name pointer ci239-26.netnam.vn
[86400] 27.239.86.210.in-addr.arpa. domain name pointer ci239-27.netnam.vn
[86400] 28.239.86.210.in-addr.arpa. domain name pointer ci239-28.netnam.vn
[86400] 29.239.86.210.in-addr.arpa. domain name pointer ci239-29.netnam.vn
[86400] 30.239.86.210.in-addr.arpa. domain name pointer ci239-30.netnam.vn
[86400] 31.239.86.210.in-addr.arpa. domain name pointer ci239-31.netnam.vn
[86400] 32.239.86.210.in-addr.arpa. domain name pointer mail.vnpi.vn
[0] 33.239.86.210.in-addr.arpa.: domain name does not exist
[86400] 34.239.86.210.in-addr.arpa. domain name pointer mail-01.onlinedata.com.vn
[86400] 35.239.86.210.in-addr.arpa. domain name pointer ci239-35.netnam.vn
[86400] 36.239.86.210.in-addr.arpa. domain name pointer ci239-36.netnam.vn
[86400] 37.239.86.210.in-addr.arpa. domain name pointer kloxo.haiviet.vn
[86400] 38.239.86.210.in-addr.arpa. domain name pointer ci239-38.netnam.vn
[86400] 39.239.86.210.in-addr.arpa. domain name pointer ci239-39.netnam.vn
[86400] 40.239.86.210.in-addr.arpa. domain name pointer marketing.routeinnvietnam.com
[86400] 41.239.86.210.in-addr.arpa. domain name pointer ci239-41.netnam.vn
[86400] 42.239.86.210.in-addr.arpa. domain name pointer srvweb.vietjet.net
[86400] 43.239.86.210.in-addr.arpa. domain name pointer ci239-43.netnam.vn
[86400] 44.239.86.210.in-addr.arpa. domain name pointer ci239-44.netnam.vn
[86400] 45.239.86.210.in-addr.arpa. domain name pointer ci239-45.netnam.vn
[86400] 46.239.86.210.in-addr.arpa. domain name pointer ci239-46.netnam.vn
[86400] 47.239.86.210.in-addr.arpa. domain name pointer mail.viconnect.vn
[86400] 48.239.86.210.in-addr.arpa. domain name pointer webmail.susesoftware.com
[86400] 49.239.86.210.in-addr.arpa. domain name pointer mail.woojingl.vn
[86400] 50.239.86.210.in-addr.arpa. domain name pointer ci239-50.netnam.vn
[86400] 51.239.86.210.in-addr.arpa. domain name pointer ci239-51.netnam.vn
[86400] 52.239.86.210.in-addr.arpa. domain name pointer mail.susesoftware.com
[86400] 53.239.86.210.in-addr.arpa. domain name pointer ci239-53.netnam.vn
[86400] 54.239.86.210.in-addr.arpa. domain name pointer ci239-54.netnam.vn
[86400] 55.239.86.210.in-addr.arpa. domain name pointer mail.bea.vn
[86400] 56.239.86.210.in-addr.arpa. domain name pointer ci239-56.netnam.vn
[86400] 57.239.86.210.in-addr.arpa. domain name pointer should-nauseated.chillspecializ.com
[86400] 58.239.86.210.in-addr.arpa. domain name pointer gateway3.netnam.com
[0] 59.239.86.210.in-addr.arpa.: domain name does not exist
[0] 60.239.86.210.in-addr.arpa.: domain name does not exist
[86400] 61.239.86.210.in-addr.arpa. domain name pointer webhost1.viconnect.vn lbc.vn mail.lbc.vn
[86400] 62.239.86.210.in-addr.arpa. domain name pointer ci239-62.netnam.vn
[86400] 63.239.86.210.in-addr.arpa. domain name pointer ci239-63.netnam.vn
[86400] 64.239.86.210.in-addr.arpa. domain name pointer ci239-64.netnam.vn
[86400] 65.239.86.210.in-addr.arpa. domain name pointer ci239-65.netnam.vn
[86400] 66.239.86.210.in-addr.arpa. domain name pointer ci239-66.netnam.vn
[86400] 67.239.86.210.in-addr.arpa. domain name pointer ci239-67.netnam.vn
[86400] 68.239.86.210.in-addr.arpa. domain name pointer ci239-68.netnam.vn
[86400] 69.239.86.210.in-addr.arpa. domain name pointer ci239-69.netnam.vn
[86400] 70.239.86.210.in-addr.arpa. domain name pointer ci239-70.netnam.vn
[86400] 71.239.86.210.in-addr.arpa. domain name pointer gateway5.netnam.com
[86400] 72.239.86.210.in-addr.arpa. domain name pointer gateway6.netnam.com
[0] 73.239.86.210.in-addr.arpa.: domain name does not exist
[86400] 74.239.86.210.in-addr.arpa. domain name pointer should-nauseated.chillspecializ.com
[86400] 75.239.86.210.in-addr.arpa. domain name pointer newsletter.msb.com.vn
[86400] 76.239.86.210.in-addr.arpa. domain name pointer know-nauseate.chillspecializ.com
[86400] 77.239.86.210.in-addr.arpa. domain name pointer mail.diamondbaycondotelresort.vn
[86400] 78.239.86.210.in-addr.arpa. domain name pointer gateway4.netnam.com
[0] 79.239.86.210.in-addr.arpa.: domain name does not exist
[86400] 80.239.86.210.in-addr.arpa. domain name pointer mail.tinhthanh.net
[86400] 81.239.86.210.in-addr.arpa. domain name pointer ci239-81.netnam.vn
[86400] 82.239.86.210.in-addr.arpa. domain name pointer ci239-82.netnam.vn
[86400] 83.239.86.210.in-addr.arpa. domain name pointer ci239-83.netnam.vn
[86400] 84.239.86.210.in-addr.arpa. domain name pointer ci239-84.netnam.vn
[86400] 85.239.86.210.in-addr.arpa. domain name pointer gateway7.netnam.com
[86400] 86.239.86.210.in-addr.arpa. domain name pointer gateway8.netnam.com
[86400] 87.239.86.210.in-addr.arpa. domain name pointer ci239-87.netnam.vn
[86400] 88.239.86.210.in-addr.arpa. domain name pointer ci239-88.netnam.vn
[86400] 89.239.86.210.in-addr.arpa. domain name pointer ci239-89.netnam.vn
[86400] 90.239.86.210.in-addr.arpa. domain name pointer ci239-90.netnam.vn
[86400] 91.239.86.210.in-addr.arpa. domain name pointer ci239-91.netnam.vn
[86400] 92.239.86.210.in-addr.arpa. domain name pointer mail.info.msb.com.vn
[86400] 93.239.86.210.in-addr.arpa. domain name pointer ci239-93.netnam.vn
[86400] 94.239.86.210.in-addr.arpa. domain name pointer ci239-94.netnam.vn
[86400] 95.239.86.210.in-addr.arpa. domain name pointer ci239-95.netnam.vn
[86400] 96.239.86.210.in-addr.arpa. domain name pointer ci239-96.netnam.vn
[86400] 97.239.86.210.in-addr.arpa. domain name pointer ci239-97.netnam.vn
[86400] 98.239.86.210.in-addr.arpa. domain name pointer ci239-98.netnam.vn
[86400] 99.239.86.210.in-addr.arpa. domain name pointer ci239-99.netnam.vn
[86400] 100.239.86.210.in-addr.arpa. domain name pointer ci239-100.netnam.vn
[86400] 101.239.86.210.in-addr.arpa. domain name pointer webhost1.viconnect.vn
[86400] 102.239.86.210.in-addr.arpa. domain name pointer mail.powerup.vn
[86400] 103.239.86.210.in-addr.arpa. domain name pointer ci239-103.netnam.vn
[86400] 104.239.86.210.in-addr.arpa. domain name pointer ci239-104.netnam.vn
[86400] 105.239.86.210.in-addr.arpa. domain name pointer ci239-105.netnam.vn
[86400] 106.239.86.210.in-addr.arpa. domain name pointer mail.vietjet.net
[0] 107.239.86.210.in-addr.arpa.: domain name does not exist
[86400] 108.239.86.210.in-addr.arpa. domain name pointer mail.tayho.com.vn
[86400] 109.239.86.210.in-addr.arpa. domain name pointer ci239-109.netnam.vn
[86400] 110.239.86.210.in-addr.arpa. domain name pointer ci239-110.netnam.vn
[86400] 111.239.86.210.in-addr.arpa. domain name pointer ci239-111.netnam.vn
[86400] 112.239.86.210.in-addr.arpa. domain name pointer ci239-112.netnam.vn
[86400] 113.239.86.210.in-addr.arpa. domain name pointer ci239-113.netnam.vn
[86400] 114.239.86.210.in-addr.arpa. domain name pointer srv-01.hostcloud.vn
[86400] 115.239.86.210.in-addr.arpa. domain name pointer ci239-115.netnam.vn
[86400] 116.239.86.210.in-addr.arpa. domain name pointer ci239-116.netnam.vn
[86400] 117.239.86.210.in-addr.arpa. domain name pointer ci239-117.netnam.vn
[86400] 118.239.86.210.in-addr.arpa. domain name pointer ci239-118.netnam.vn
[86400] 119.239.86.210.in-addr.arpa. domain name pointer ci239-119.netnam.vn
[86400] 120.239.86.210.in-addr.arpa. domain name pointer ci239-120.netnam.vn
[86400] 121.239.86.210.in-addr.arpa. domain name pointer ci239-121.netnam.vn
[86400] 122.239.86.210.in-addr.arpa. domain name pointer ci239-122.netnam.vn
[86400] 123.239.86.210.in-addr.arpa. domain name pointer ci239-123.netnam.vn
[86400] 124.239.86.210.in-addr.arpa. domain name pointer ci239-124.netnam.vn
[86400] 125.239.86.210.in-addr.arpa. domain name pointer ci239-125.netnam.vn
[86400] 126.239.86.210.in-addr.arpa. domain name pointer ci239-126.netnam.vn
[86400] 127.239.86.210.in-addr.arpa. domain name pointer ci239-127.netnam.vn
[86400] 128.239.86.210.in-addr.arpa. domain name pointer ci239-128.netnam.vn
[86400] 129.239.86.210.in-addr.arpa. domain name pointer servermail.tocdoviet.com
[86400] 130.239.86.210.in-addr.arpa. domain name pointer gateway1.netnam.com
[86400] 131.239.86.210.in-addr.arpa. domain name pointer gateway2.netnam.com
[86400] 132.239.86.210.in-addr.arpa. domain name pointer ci239-132.netnam.vn
[86400] 133.239.86.210.in-addr.arpa. domain name pointer ci239-133.netnam.vn
[86400] 134.239.86.210.in-addr.arpa. domain name pointer ci239-134.netnam.vn
[86400] 135.239.86.210.in-addr.arpa. domain name pointer ci239-135.netnam.vn
[86400] 136.239.86.210.in-addr.arpa. domain name pointer ci239-136.netnam.vn
[86400] 137.239.86.210.in-addr.arpa. domain name pointer ci239-137.netnam.vn
[86400] 138.239.86.210.in-addr.arpa. domain name pointer ci239-138.netnam.vn
[86400] 139.239.86.210.in-addr.arpa. domain name pointer ci239-139.netnam.vn
[86400] 140.239.86.210.in-addr.arpa. domain name pointer ci239-140.netnam.vn
[86400] 141.239.86.210.in-addr.arpa. domain name pointer serv10.hostvn.net
[86400] 142.239.86.210.in-addr.arpa. domain name pointer ci239-142.netnam.vn
[86400] 143.239.86.210.in-addr.arpa. domain name pointer ci239-143.netnam.vn
[86400] 144.239.86.210.in-addr.arpa. domain name pointer ci239-144.netnam.vn
[86400] 145.239.86.210.in-addr.arpa. domain name pointer ci239-145.netnam.vn
[86400] 146.239.86.210.in-addr.arpa. domain name pointer ci239-146.netnam.vn
[86400] 147.239.86.210.in-addr.arpa. domain name pointer ci239-147.netnam.vn
[86400] 148.239.86.210.in-addr.arpa. domain name pointer ci239-148.netnam.vn
[86400] 149.239.86.210.in-addr.arpa. domain name pointer ci239-149.netnam.vn
[86400] 150.239.86.210.in-addr.arpa. domain name pointer ci239-150.netnam.vn
[86400] 151.239.86.210.in-addr.arpa. domain name pointer ci239-151.netnam.vn
[86400] 152.239.86.210.in-addr.arpa. domain name pointer ci239-152.netnam.vn
[86400] 153.239.86.210.in-addr.arpa. domain name pointer ci239-153.netnam.vn
[86400] 154.239.86.210.in-addr.arpa. domain name pointer ci239-154.netnam.vn
[86400] 155.239.86.210.in-addr.arpa. domain name pointer mail.aweb.vn
[86400] 156.239.86.210.in-addr.arpa. domain name pointer smtp.vnsolutions.net
[86400] 157.239.86.210.in-addr.arpa. domain name pointer ci239-157.netnam.vn
[86400] 158.239.86.210.in-addr.arpa. domain name pointer ci239-158.netnam.vn
[86400] 159.239.86.210.in-addr.arpa. domain name pointer mta.dhcs.vn
[86400] 160.239.86.210.in-addr.arpa. domain name pointer ci239-160.netnam.vn
[86400] 161.239.86.210.in-addr.arpa. domain name pointer ci239-161.netnam.vn
[86400] 162.239.86.210.in-addr.arpa. domain name pointer ci239-162.netnam.vn
[86400] 163.239.86.210.in-addr.arpa. domain name pointer mail.maycosmedic.com
[86400] 164.239.86.210.in-addr.arpa. domain name pointer ci239-164.netnam.vn
[86400] 165.239.86.210.in-addr.arpa. domain name pointer ci239-165.netnam.vn
[86400] 166.239.86.210.in-addr.arpa. domain name pointer smtp.vas.edu.vn
[0] 167.239.86.210.in-addr.arpa.: domain name does not exist
[86400] 168.239.86.210.in-addr.arpa. domain name pointer server60.vietnetnam.com
[86400] 169.239.86.210.in-addr.arpa. domain name pointer mail.pntek.vn
[86400] 170.239.86.210.in-addr.arpa. domain name pointer ci239-170.netnam.vn
[86400] 171.239.86.210.in-addr.arpa. domain name pointer ci239-171.netnam.vn
[86400] 172.239.86.210.in-addr.arpa. domain name pointer ci239-172.netnam.vn
[86400] 173.239.86.210.in-addr.arpa. domain name pointer ci239-173.netnam.vn
[86400] 174.239.86.210.in-addr.arpa. domain name pointer ci239-174.netnam.vn
[86400] 175.239.86.210.in-addr.arpa. domain name pointer mail.namlongvn.com mail.newworldsaigon.com
[86400] 176.239.86.210.in-addr.arpa. domain name pointer srv.vnpt5g.com
[86400] 177.239.86.210.in-addr.arpa. domain name pointer ci239-177.netnam.vn
[86400] 178.239.86.210.in-addr.arpa. domain name pointer ci239-178.netnam.vn
[86400] 179.239.86.210.in-addr.arpa. domain name pointer ci239-179.netnam.vn
[86400] 180.239.86.210.in-addr.arpa. domain name pointer ci239-180.netnam.vn
[86400] 181.239.86.210.in-addr.arpa. domain name pointer ci239-181.netnam.vn
[86400] 182.239.86.210.in-addr.arpa. domain name pointer ci239-182.netnam.vn
[86400] 183.239.86.210.in-addr.arpa. domain name pointer ci239-183.netnam.vn
[86400] 184.239.86.210.in-addr.arpa. domain name pointer ci239-184.netnam.vn
[86400] 185.239.86.210.in-addr.arpa. domain name pointer ci239-185.netnam.vn
[86400] 186.239.86.210.in-addr.arpa. domain name pointer srv-01.kinhteviet.com
[86400] 187.239.86.210.in-addr.arpa. domain name pointer ci239-187.netnam.vn
[86400] 188.239.86.210.in-addr.arpa. domain name pointer ci239-188.netnam.vn
[86400] 189.239.86.210.in-addr.arpa. domain name pointer ci239-189.netnam.vn
[86400] 190.239.86.210.in-addr.arpa. domain name pointer ci239-190.netnam.vn
[86400] 191.239.86.210.in-addr.arpa. domain name pointer ci239-191.netnam.vn
[86400] 192.239.86.210.in-addr.arpa. domain name pointer ci239-192.netnam.vn
[86400] 193.239.86.210.in-addr.arpa. domain name pointer ci239-193.netnam.vn
[86400] 194.239.86.210.in-addr.arpa. domain name pointer ci239-194.netnam.vn
[86400] 195.239.86.210.in-addr.arpa. domain name pointer ci239-195.netnam.vn
[86400] 196.239.86.210.in-addr.arpa. domain name pointer ci239-196.netnam.vn
[86400] 197.239.86.210.in-addr.arpa. domain name pointer ci239-197.netnam.vn
[86400] 198.239.86.210.in-addr.arpa. domain name pointer ci239-198.netnam.vn
[86400] 199.239.86.210.in-addr.arpa. domain name pointer ci239-199.netnam.vn
[86400] 200.239.86.210.in-addr.arpa. domain name pointer ci239-200.netnam.vn
[86400] 201.239.86.210.in-addr.arpa. domain name pointer srv-da-new.netnam.vn
[0] 202.239.86.210.in-addr.arpa.: domain name does not exist
[86400] 203.239.86.210.in-addr.arpa. domain name pointer mail.avsoft.com.vn
[86400] 204.239.86.210.in-addr.arpa. domain name pointer mail.dqn.vn
[86400] 205.239.86.210.in-addr.arpa. domain name pointer mail.ntm.com.vn
[86400] 206.239.86.210.in-addr.arpa. domain name pointer whosting.hcmc.netnam.vn
[86400] 207.239.86.210.in-addr.arpa. domain name pointer lh-da.netnam.com.vn
[86400] 208.239.86.210.in-addr.arpa. domain name pointer lihosting.hcmc.netnam.vn
[86400] 209.239.86.210.in-addr.arpa. domain name pointer lihosting.hcmc.netnam.vn
[86400] 210.239.86.210.in-addr.arpa. domain name pointer hosting-linux.netnam.com.vn
[86400] 211.239.86.210.in-addr.arpa. domain name pointer ci239-211.netnam.vn
[86400] 212.239.86.210.in-addr.arpa. domain name pointer ci239-212.netnam.vn
[86400] 213.239.86.210.in-addr.arpa. domain name pointer ci239-213.netnam.vn
[86400] 214.239.86.210.in-addr.arpa. domain name pointer ci239-214.netnam.vn
[86400] 215.239.86.210.in-addr.arpa. domain name pointer ci239-215.netnam.vn
[86400] 216.239.86.210.in-addr.arpa. domain name pointer relay.quantic.com.vn
[86400] 217.239.86.210.in-addr.arpa. domain name pointer ci239-217.netnam.vn
[86400] 218.239.86.210.in-addr.arpa. domain name pointer ci239-218.netnam.vn
[86400] 219.239.86.210.in-addr.arpa. domain name pointer ci239-219.netnam.vn
[86400] 220.239.86.210.in-addr.arpa. domain name pointer ci239-220.netnam.vn
[86400] 221.239.86.210.in-addr.arpa. domain name pointer mail.sun-rise.com.vn
[86400] 222.239.86.210.in-addr.arpa. domain name pointer ci239-222.netnam.vn
[86400] 223.239.86.210.in-addr.arpa. domain name pointer ci239-223.netnam.vn
[86400] 224.239.86.210.in-addr.arpa. domain name pointer ci239-224.netnam.vn
[86400] 225.239.86.210.in-addr.arpa. domain name pointer mail.smc.vn
[86400] 226.239.86.210.in-addr.arpa. domain name pointer mail.kenhsosanh.com
[86400] 227.239.86.210.in-addr.arpa. domain name pointer ci239-227.netnam.vn
[86400] 228.239.86.210.in-addr.arpa. domain name pointer ci239-228.netnam.vn
[86400] 229.239.86.210.in-addr.arpa. domain name pointer ci239-229.netnam.vn
[86400] 230.239.86.210.in-addr.arpa. domain name pointer ci239-230.netnam.vn
[86400] 231.239.86.210.in-addr.arpa. domain name pointer hosting.vietguys.info
[86400] 232.239.86.210.in-addr.arpa. domain name pointer ci239-232.netnam.vn
[86400] 233.239.86.210.in-addr.arpa. domain name pointer ytuongmoi.vn
[86400] 234.239.86.210.in-addr.arpa. domain name pointer ci239-234.netnam.vn
[86400] 235.239.86.210.in-addr.arpa. domain name pointer ci239-235.netnam.vn
[86400] 236.239.86.210.in-addr.arpa. domain name pointer ci239-236.netnam.vn
[86400] 237.239.86.210.in-addr.arpa. domain name pointer ci239-237.netnam.vn
[86400] 238.239.86.210.in-addr.arpa. domain name pointer ci239-238.netnam.vn
[86400] 239.239.86.210.in-addr.arpa. domain name pointer ci239-239.netnam.vn
[86400] 240.239.86.210.in-addr.arpa. domain name pointer ci239-240.netnam.vn
[86400] 241.239.86.210.in-addr.arpa. domain name pointer ci239-241.netnam.vn
[86400] 242.239.86.210.in-addr.arpa. domain name pointer ci239-242.netnam.vn
[86400] 243.239.86.210.in-addr.arpa. domain name pointer ci239-243.netnam.vn
[86400] 244.239.86.210.in-addr.arpa. domain name pointer ci239-244.netnam.vn
[86400] 245.239.86.210.in-addr.arpa. domain name pointer ci239-245.netnam.vn
[86400] 246.239.86.210.in-addr.arpa. domain name pointer ci239-246.netnam.vn
[86400] 247.239.86.210.in-addr.arpa. domain name pointer ci239-247.netnam.vn
[86400] 248.239.86.210.in-addr.arpa. domain name pointer ci239-248.netnam.vn
[86400] 249.239.86.210.in-addr.arpa. domain name pointer ci239-249.netnam.vn
[86400] 250.239.86.210.in-addr.arpa. domain name pointer ci239-250.netnam.vn
[86400] 251.239.86.210.in-addr.arpa. domain name pointer ci239-251.netnam.vn
[86400] 252.239.86.210.in-addr.arpa. domain name pointer ci239-252.netnam.vn
[86400] 253.239.86.210.in-addr.arpa. domain name pointer ci239-253.netnam.vn
[86400] 254.239.86.210.in-addr.arpa. domain name pointer ci239-254.netnam.vn
[0] 255.239.86.210.in-addr.arpa.: domain name does not exist