[0] 0.237.86.210.in-addr.arpa.: domain name does not exist
[86400] 1.237.86.210.in-addr.arpa. domain name pointer ci237-1.netnam.vn
[86400] 2.237.86.210.in-addr.arpa. domain name pointer ci237-2.netnam.vn
[86400] 3.237.86.210.in-addr.arpa. domain name pointer ci237-3.netnam.vn
[86400] 4.237.86.210.in-addr.arpa. domain name pointer ci237-4.netnam.vn
[86400] 5.237.86.210.in-addr.arpa. domain name pointer ci237-5.netnam.vn
[86400] 6.237.86.210.in-addr.arpa. domain name pointer ci237-6.netnam.vn
[86400] 7.237.86.210.in-addr.arpa. domain name pointer ci237-7.netnam.vn
[86400] 8.237.86.210.in-addr.arpa. domain name pointer ci237-8.netnam.vn
[86400] 9.237.86.210.in-addr.arpa. domain name pointer ci237-9.netnam.vn
[86400] 10.237.86.210.in-addr.arpa. domain name pointer ci237-10.netnam.vn
[86400] 11.237.86.210.in-addr.arpa. domain name pointer ci237-11.netnam.vn
[86400] 12.237.86.210.in-addr.arpa. domain name pointer ci237-12.netnam.vn
[86400] 13.237.86.210.in-addr.arpa. domain name pointer ci237-13.netnam.vn
[86400] 14.237.86.210.in-addr.arpa. domain name pointer ci237-14.netnam.vn
[86400] 15.237.86.210.in-addr.arpa. domain name pointer ci237-15.netnam.vn
[86400] 16.237.86.210.in-addr.arpa. domain name pointer ci237-16.netnam.vn
[86400] 17.237.86.210.in-addr.arpa. domain name pointer ci237-17.netnam.vn
[86400] 18.237.86.210.in-addr.arpa. domain name pointer ci237-18.netnam.vn
[86400] 19.237.86.210.in-addr.arpa. domain name pointer ci237-19.netnam.vn
[86400] 20.237.86.210.in-addr.arpa. domain name pointer ci237-20.netnam.vn
[86400] 21.237.86.210.in-addr.arpa. domain name pointer ci237-21.netnam.vn
[86400] 22.237.86.210.in-addr.arpa. domain name pointer ci237-22.netnam.vn
[86400] 23.237.86.210.in-addr.arpa. domain name pointer mail.losco.biz
[86400] 24.237.86.210.in-addr.arpa. domain name pointer ci237-24.netnam.vn
[86400] 25.237.86.210.in-addr.arpa. domain name pointer ci237-25.netnam.vn
[86400] 26.237.86.210.in-addr.arpa. domain name pointer ci237-26.netnam.vn
[86400] 27.237.86.210.in-addr.arpa. domain name pointer ci237-27.netnam.vn
[86400] 28.237.86.210.in-addr.arpa. domain name pointer ci237-28.netnam.vn
[86400] 29.237.86.210.in-addr.arpa. domain name pointer ci237-29.netnam.vn
[86400] 30.237.86.210.in-addr.arpa. domain name pointer ci237-30.netnam.vn
[86400] 31.237.86.210.in-addr.arpa. domain name pointer ci237-31.netnam.vn
[86400] 32.237.86.210.in-addr.arpa. domain name pointer ci237-32.netnam.vn
[86400] 33.237.86.210.in-addr.arpa. domain name pointer ci237-33.netnam.vn
[86400] 34.237.86.210.in-addr.arpa. domain name pointer ci237-34.netnam.vn
[86400] 35.237.86.210.in-addr.arpa. domain name pointer ci237-35.netnam.vn
[86400] 36.237.86.210.in-addr.arpa. domain name pointer ci237-36.netnam.vn
[86400] 37.237.86.210.in-addr.arpa. domain name pointer ci237-37.netnam.vn
[86400] 38.237.86.210.in-addr.arpa. domain name pointer ci237-38.netnam.vn
[86400] 39.237.86.210.in-addr.arpa. domain name pointer ci237-39.netnam.vn
[86400] 40.237.86.210.in-addr.arpa. domain name pointer ci237-40.netnam.vn
[86400] 41.237.86.210.in-addr.arpa. domain name pointer ci237-41.netnam.vn
[86400] 42.237.86.210.in-addr.arpa. domain name pointer webmail.oktavaltd.com
[86400] 43.237.86.210.in-addr.arpa. domain name pointer ci237-43.netnam.vn
[86400] 44.237.86.210.in-addr.arpa. domain name pointer ci237-44.netnam.vn
[86400] 45.237.86.210.in-addr.arpa. domain name pointer ci237-45.netnam.vn
[86400] 46.237.86.210.in-addr.arpa. domain name pointer ci237-46.netnam.vn
[86400] 47.237.86.210.in-addr.arpa. domain name pointer ci237-47.netnam.vn
[86400] 48.237.86.210.in-addr.arpa. domain name pointer ci237-48.netnam.vn
[86400] 49.237.86.210.in-addr.arpa. domain name pointer ci237-49.netnam.vn
[86400] 50.237.86.210.in-addr.arpa. domain name pointer ci237-50.netnam.vn
[86400] 51.237.86.210.in-addr.arpa. domain name pointer ci237-51.netnam.vn
[86400] 52.237.86.210.in-addr.arpa. domain name pointer ci237-52.netnam.vn
[86400] 53.237.86.210.in-addr.arpa. domain name pointer ci237-53.netnam.vn
[86400] 54.237.86.210.in-addr.arpa. domain name pointer ci237-54.netnam.vn
[86400] 55.237.86.210.in-addr.arpa. domain name pointer ci237-55.netnam.vn
[86400] 56.237.86.210.in-addr.arpa. domain name pointer ci237-56.netnam.vn
[86400] 57.237.86.210.in-addr.arpa. domain name pointer ci237-57.netnam.vn
[86400] 58.237.86.210.in-addr.arpa. domain name pointer ci237-58.netnam.vn
[86400] 59.237.86.210.in-addr.arpa. domain name pointer ci237-59.netnam.vn
[86400] 60.237.86.210.in-addr.arpa. domain name pointer ci237-60.netnam.vn
[86400] 61.237.86.210.in-addr.arpa. domain name pointer ci237-61.netnam.vn
[86400] 62.237.86.210.in-addr.arpa. domain name pointer ci237-62.netnam.vn
[86400] 63.237.86.210.in-addr.arpa. domain name pointer ci237-63.netnam.vn
[86400] 64.237.86.210.in-addr.arpa. domain name pointer mail.svi.com.vn
[86400] 65.237.86.210.in-addr.arpa. domain name pointer mailc.svi.com.vn
[86400] 66.237.86.210.in-addr.arpa. domain name pointer ci237-66.netnam.vn
[86400] 67.237.86.210.in-addr.arpa. domain name pointer ci237-67.netnam.vn
[86400] 68.237.86.210.in-addr.arpa. domain name pointer mail.luckyco.com.vn
[86400] 69.237.86.210.in-addr.arpa. domain name pointer ci237-69.netnam.vn
[86400] 70.237.86.210.in-addr.arpa. domain name pointer ci237-70.netnam.vn
[86400] 71.237.86.210.in-addr.arpa. domain name pointer mail.sabeco.com.vn
[86400] 72.237.86.210.in-addr.arpa. domain name pointer ci237-72.netnam.vn
[86400] 73.237.86.210.in-addr.arpa. domain name pointer ci237-73.netnam.vn
[86400] 74.237.86.210.in-addr.arpa. domain name pointer ci237-74.netnam.vn
[86400] 75.237.86.210.in-addr.arpa. domain name pointer ci237-75.netnam.vn
[86400] 76.237.86.210.in-addr.arpa. domain name pointer ci237-76.netnam.vn
[86400] 77.237.86.210.in-addr.arpa. domain name pointer ci237-77.netnam.vn
[86400] 78.237.86.210.in-addr.arpa. domain name pointer ci237-78.netnam.vn
[86400] 79.237.86.210.in-addr.arpa. domain name pointer ci237-79.netnam.vn
[86400] 80.237.86.210.in-addr.arpa. domain name pointer ci237-80.netnam.vn
[86400] 81.237.86.210.in-addr.arpa. domain name pointer ci237-81.netnam.vn
[86400] 82.237.86.210.in-addr.arpa. domain name pointer mail.votivasoft.com
[86400] 83.237.86.210.in-addr.arpa. domain name pointer ci237-83.netnam.vn
[86400] 84.237.86.210.in-addr.arpa. domain name pointer ci237-84.netnam.vn
[86400] 85.237.86.210.in-addr.arpa. domain name pointer ci237-85.netnam.vn
[86400] 86.237.86.210.in-addr.arpa. domain name pointer ci237-86.netnam.vn
[86400] 87.237.86.210.in-addr.arpa. domain name pointer ci237-87.netnam.vn
[86400] 88.237.86.210.in-addr.arpa. domain name pointer ci237-88.netnam.vn
[86400] 89.237.86.210.in-addr.arpa. domain name pointer ci237-89.netnam.vn
[86400] 90.237.86.210.in-addr.arpa. domain name pointer ci237-90.netnam.vn
[86400] 91.237.86.210.in-addr.arpa. domain name pointer ci237-91.netnam.vn
[86400] 92.237.86.210.in-addr.arpa. domain name pointer ci237-92.netnam.vn
[86400] 93.237.86.210.in-addr.arpa. domain name pointer ci237-93.netnam.vn
[86400] 94.237.86.210.in-addr.arpa. domain name pointer ci237-94.netnam.vn
[86400] 95.237.86.210.in-addr.arpa. domain name pointer FUJINET.NET
[86400] 96.237.86.210.in-addr.arpa. domain name pointer ci237-96.netnam.vn
[86400] 97.237.86.210.in-addr.arpa. domain name pointer ci237-97.netnam.vn
[86400] 98.237.86.210.in-addr.arpa. domain name pointer ci237-98.netnam.vn
[86400] 99.237.86.210.in-addr.arpa. domain name pointer ci237-99.netnam.vn
[86400] 100.237.86.210.in-addr.arpa. domain name pointer ci237-100.netnam.vn
[86400] 101.237.86.210.in-addr.arpa. domain name pointer ci237-101.netnam.vn
[86400] 102.237.86.210.in-addr.arpa. domain name pointer ci237-102.netnam.vn
[86400] 103.237.86.210.in-addr.arpa. domain name pointer ci237-103.netnam.vn
[86400] 104.237.86.210.in-addr.arpa. domain name pointer ci237-104.netnam.vn
[86400] 105.237.86.210.in-addr.arpa. domain name pointer ci237-105.netnam.vn
[86400] 106.237.86.210.in-addr.arpa. domain name pointer ci237-106.netnam.vn
[86400] 107.237.86.210.in-addr.arpa. domain name pointer ci237-107.netnam.vn
[86400] 108.237.86.210.in-addr.arpa. domain name pointer ci237-108.netnam.vn
[86400] 109.237.86.210.in-addr.arpa. domain name pointer mail.tricontowers.com
[86400] 110.237.86.210.in-addr.arpa. domain name pointer ci237-110.netnam.vn
[86400] 111.237.86.210.in-addr.arpa. domain name pointer ci237-111.netnam.vn
[86400] 112.237.86.210.in-addr.arpa. domain name pointer ci237-112.netnam.vn
[86400] 113.237.86.210.in-addr.arpa. domain name pointer ci237-113.netnam.vn
[86400] 114.237.86.210.in-addr.arpa. domain name pointer ci237-114.netnam.vn
[86400] 115.237.86.210.in-addr.arpa. domain name pointer ci237-115.netnam.vn
[86400] 116.237.86.210.in-addr.arpa. domain name pointer ci237-116.netnam.vn
[86400] 117.237.86.210.in-addr.arpa. domain name pointer ci237-117.netnam.vn
[86400] 118.237.86.210.in-addr.arpa. domain name pointer ci237-118.netnam.vn
[86400] 119.237.86.210.in-addr.arpa. domain name pointer ci237-119.netnam.vn
[86400] 120.237.86.210.in-addr.arpa. domain name pointer ci237-120.netnam.vn
[86400] 121.237.86.210.in-addr.arpa. domain name pointer ci237-121.netnam.vn
[86400] 122.237.86.210.in-addr.arpa. domain name pointer ci237-122.netnam.vn
[86400] 123.237.86.210.in-addr.arpa. domain name pointer ci237-123.netnam.vn
[86400] 124.237.86.210.in-addr.arpa. domain name pointer ci237-124.netnam.vn
[86400] 125.237.86.210.in-addr.arpa. domain name pointer ci237-125.netnam.vn
[86400] 126.237.86.210.in-addr.arpa. domain name pointer ci237-126.netnam.vn
[86400] 127.237.86.210.in-addr.arpa. domain name pointer ci237-127.netnam.vn
[86400] 128.237.86.210.in-addr.arpa. domain name pointer ci237-128.netnam.vn
[86400] 129.237.86.210.in-addr.arpa. domain name pointer ci237-129.netnam.vn
[86400] 130.237.86.210.in-addr.arpa. domain name pointer ci237-130.netnam.vn
[86400] 131.237.86.210.in-addr.arpa. domain name pointer ci237-131.netnam.vn
[86400] 132.237.86.210.in-addr.arpa. domain name pointer ci237-132.netnam.vn
[86400] 133.237.86.210.in-addr.arpa. domain name pointer ci237-133.netnam.vn
[86400] 134.237.86.210.in-addr.arpa. domain name pointer ci237-134.netnam.vn
[86400] 135.237.86.210.in-addr.arpa. domain name pointer ci237-135.netnam.vn
[86400] 136.237.86.210.in-addr.arpa. domain name pointer ci237-136.netnam.vn
[86400] 137.237.86.210.in-addr.arpa. domain name pointer ci237-137.netnam.vn
[86400] 138.237.86.210.in-addr.arpa. domain name pointer ci237-138.netnam.vn
[86400] 139.237.86.210.in-addr.arpa. domain name pointer ci237-139.netnam.vn
[86400] 140.237.86.210.in-addr.arpa. domain name pointer mail.cinotec.com.vn
[86400] 141.237.86.210.in-addr.arpa. domain name pointer ci237-141.netnam.vn
[86400] 142.237.86.210.in-addr.arpa. domain name pointer ci237-142.netnam.vn
[86400] 143.237.86.210.in-addr.arpa. domain name pointer ci237-143.netnam.vn
[86400] 144.237.86.210.in-addr.arpa. domain name pointer ci237-144.netnam.vn
[86400] 145.237.86.210.in-addr.arpa. domain name pointer ci237-145.netnam.vn
[86400] 146.237.86.210.in-addr.arpa. domain name pointer ci237-146.netnam.vn
[86400] 147.237.86.210.in-addr.arpa. domain name pointer ci237-147.netnam.vn
[86400] 148.237.86.210.in-addr.arpa. domain name pointer ci237-148.netnam.vn
[86400] 149.237.86.210.in-addr.arpa. domain name pointer ci237-149.netnam.vn
[86400] 150.237.86.210.in-addr.arpa. domain name pointer ci237-150.netnam.vn
[86400] 151.237.86.210.in-addr.arpa. domain name pointer ci237-151.netnam.vn
[86400] 152.237.86.210.in-addr.arpa. domain name pointer ci237-152.netnam.vn
[86400] 153.237.86.210.in-addr.arpa. domain name pointer ci237-153.netnam.vn
[86400] 154.237.86.210.in-addr.arpa. domain name pointer ci237-154.netnam.vn
[86400] 155.237.86.210.in-addr.arpa. domain name pointer ci237-155.netnam.vn
[86400] 156.237.86.210.in-addr.arpa. domain name pointer ci237-156.netnam.vn
[86400] 157.237.86.210.in-addr.arpa. domain name pointer ci237-157.netnam.vn
[86400] 158.237.86.210.in-addr.arpa. domain name pointer ci237-158.netnam.vn
[86400] 159.237.86.210.in-addr.arpa. domain name pointer ci237-159.netnam.vn
[86400] 160.237.86.210.in-addr.arpa. domain name pointer ci237-160.netnam.vn
[86400] 161.237.86.210.in-addr.arpa. domain name pointer ci237-161.netnam.vn
[86400] 162.237.86.210.in-addr.arpa. domain name pointer ci237-162.netnam.vn
[86400] 163.237.86.210.in-addr.arpa. domain name pointer ci237-163.netnam.vn
[86400] 164.237.86.210.in-addr.arpa. domain name pointer ci237-164.netnam.vn
[86400] 165.237.86.210.in-addr.arpa. domain name pointer ci237-165.netnam.vn
[86400] 166.237.86.210.in-addr.arpa. domain name pointer ci237-166.netnam.vn
[86400] 167.237.86.210.in-addr.arpa. domain name pointer ci237-167.netnam.vn
[86400] 168.237.86.210.in-addr.arpa. domain name pointer ci237-168.netnam.vn
[86400] 169.237.86.210.in-addr.arpa. domain name pointer ci237-169.netnam.vn
[86400] 170.237.86.210.in-addr.arpa. domain name pointer ci237-170.netnam.vn
[86400] 171.237.86.210.in-addr.arpa. domain name pointer ci237-171.netnam.vn
[86400] 172.237.86.210.in-addr.arpa. domain name pointer ci237-172.netnam.vn
[86400] 173.237.86.210.in-addr.arpa. domain name pointer ci237-173.netnam.vn
[86400] 174.237.86.210.in-addr.arpa. domain name pointer ci237-174.netnam.vn
[86400] 175.237.86.210.in-addr.arpa. domain name pointer ci237-175.netnam.vn
[86400] 176.237.86.210.in-addr.arpa. domain name pointer ci237-176.netnam.vn
[86400] 177.237.86.210.in-addr.arpa. domain name pointer ci237-177.netnam.vn
[86400] 178.237.86.210.in-addr.arpa. domain name pointer ci237-178.netnam.vn
[86400] 179.237.86.210.in-addr.arpa. domain name pointer ci237-179.netnam.vn
[86400] 180.237.86.210.in-addr.arpa. domain name pointer ci237-180.netnam.vn
[86400] 181.237.86.210.in-addr.arpa. domain name pointer ci237-181.netnam.vn
[86400] 182.237.86.210.in-addr.arpa. domain name pointer ci237-182.netnam.vn
[86400] 183.237.86.210.in-addr.arpa. domain name pointer ci237-183.netnam.vn
[86400] 184.237.86.210.in-addr.arpa. domain name pointer ci237-184.netnam.vn
[86400] 185.237.86.210.in-addr.arpa. domain name pointer ci237-185.netnam.vn
[86400] 186.237.86.210.in-addr.arpa. domain name pointer ci237-186.netnam.vn
[86400] 187.237.86.210.in-addr.arpa. domain name pointer ci237-187.netnam.vn
[86400] 188.237.86.210.in-addr.arpa. domain name pointer ci237-188.netnam.vn
[86400] 189.237.86.210.in-addr.arpa. domain name pointer ci237-189.netnam.vn
[86400] 190.237.86.210.in-addr.arpa. domain name pointer ci237-190.netnam.vn
[86400] 191.237.86.210.in-addr.arpa. domain name pointer ci237-191.netnam.vn
[86400] 192.237.86.210.in-addr.arpa. domain name pointer ci237-192.netnam.vn
[86400] 193.237.86.210.in-addr.arpa. domain name pointer mail.networksystem.org
[86400] 194.237.86.210.in-addr.arpa. domain name pointer dns.networksystem.org
[86400] 195.237.86.210.in-addr.arpa. domain name pointer ci237-195.netnam.vn
[86400] 196.237.86.210.in-addr.arpa. domain name pointer ci237-196.netnam.vn
[86400] 197.237.86.210.in-addr.arpa. domain name pointer ci237-197.netnam.vn
[86400] 198.237.86.210.in-addr.arpa. domain name pointer ci237-198.netnam.vn
[86400] 199.237.86.210.in-addr.arpa. domain name pointer ci237-199.netnam.vn
[86400] 200.237.86.210.in-addr.arpa. domain name pointer ci237-200.netnam.vn
[86400] 201.237.86.210.in-addr.arpa. domain name pointer ci237-201.netnam.vn
[86400] 202.237.86.210.in-addr.arpa. domain name pointer ci237-202.netnam.vn
[86400] 203.237.86.210.in-addr.arpa. domain name pointer ci237-203.netnam.vn
[86400] 204.237.86.210.in-addr.arpa. domain name pointer ci237-204.netnam.vn
[86400] 205.237.86.210.in-addr.arpa. domain name pointer ci237-205.netnam.vn
[86400] 206.237.86.210.in-addr.arpa. domain name pointer ci237-206.netnam.vn
[86400] 207.237.86.210.in-addr.arpa. domain name pointer ci237-207.netnam.vn
[86400] 208.237.86.210.in-addr.arpa. domain name pointer ci237-208.netnam.vn
[86400] 209.237.86.210.in-addr.arpa. domain name pointer ci237-209.netnam.vn
[86400] 210.237.86.210.in-addr.arpa. domain name pointer ci237-210.netnam.vn
[86400] 211.237.86.210.in-addr.arpa. domain name pointer ci237-211.netnam.vn
[86400] 212.237.86.210.in-addr.arpa. domain name pointer ci237-212.netnam.vn
[86400] 213.237.86.210.in-addr.arpa. domain name pointer ci237-213.netnam.vn
[86400] 214.237.86.210.in-addr.arpa. domain name pointer ci237-214.netnam.vn
[86400] 215.237.86.210.in-addr.arpa. domain name pointer ci237-215.netnam.vn
[86400] 216.237.86.210.in-addr.arpa. domain name pointer ci237-216.netnam.vn
[86400] 217.237.86.210.in-addr.arpa. domain name pointer ci237-217.netnam.vn
[86400] 218.237.86.210.in-addr.arpa. domain name pointer ci237-218.netnam.vn
[86400] 219.237.86.210.in-addr.arpa. domain name pointer ci237-219.netnam.vn
[86400] 220.237.86.210.in-addr.arpa. domain name pointer ci237-220.netnam.vn
[86400] 221.237.86.210.in-addr.arpa. domain name pointer ci237-221.netnam.vn
[86400] 222.237.86.210.in-addr.arpa. domain name pointer ci237-222.netnam.vn
[86400] 223.237.86.210.in-addr.arpa. domain name pointer ci237-223.netnam.vn
[86400] 224.237.86.210.in-addr.arpa. domain name pointer ci237-224.netnam.vn
[86400] 225.237.86.210.in-addr.arpa. domain name pointer ci237-225.netnam.vn
[86400] 226.237.86.210.in-addr.arpa. domain name pointer ci237-226.netnam.vn
[86400] 227.237.86.210.in-addr.arpa. domain name pointer ci237-227.netnam.vn
[86400] 228.237.86.210.in-addr.arpa. domain name pointer ci237-228.netnam.vn
[86400] 229.237.86.210.in-addr.arpa. domain name pointer ci237-229.netnam.vn
[86400] 230.237.86.210.in-addr.arpa. domain name pointer ci237-230.netnam.vn
[86400] 231.237.86.210.in-addr.arpa. domain name pointer ci237-231.netnam.vn
[86400] 232.237.86.210.in-addr.arpa. domain name pointer ci237-232.netnam.vn
[86400] 233.237.86.210.in-addr.arpa. domain name pointer ci237-233.netnam.vn
[86400] 234.237.86.210.in-addr.arpa. domain name pointer ci237-234.netnam.vn
[86400] 235.237.86.210.in-addr.arpa. domain name pointer ci237-235.netnam.vn
[86400] 236.237.86.210.in-addr.arpa. domain name pointer ci237-236.netnam.vn
[86400] 237.237.86.210.in-addr.arpa. domain name pointer ci237-237.netnam.vn
[86400] 238.237.86.210.in-addr.arpa. domain name pointer ci237-238.netnam.vn
[86400] 239.237.86.210.in-addr.arpa. domain name pointer ci237-239.netnam.vn
[86400] 240.237.86.210.in-addr.arpa. domain name pointer ci237-240.netnam.vn
[86400] 241.237.86.210.in-addr.arpa. domain name pointer ci237-241.netnam.vn
[86400] 242.237.86.210.in-addr.arpa. domain name pointer ci237-242.netnam.vn
[86400] 243.237.86.210.in-addr.arpa. domain name pointer ci237-243.netnam.vn
[86400] 244.237.86.210.in-addr.arpa. domain name pointer ci237-244.netnam.vn
[86400] 245.237.86.210.in-addr.arpa. domain name pointer ci237-245.netnam.vn
[86400] 246.237.86.210.in-addr.arpa. domain name pointer ci237-246.netnam.vn
[86400] 247.237.86.210.in-addr.arpa. domain name pointer ci237-247.netnam.vn
[86400] 248.237.86.210.in-addr.arpa. domain name pointer ci237-248.netnam.vn
[86400] 249.237.86.210.in-addr.arpa. domain name pointer ci237-249.netnam.vn
[86400] 250.237.86.210.in-addr.arpa. domain name pointer ci237-250.netnam.vn
[86400] 251.237.86.210.in-addr.arpa. domain name pointer ci237-251.netnam.vn
[86400] 252.237.86.210.in-addr.arpa. domain name pointer ci237-252.netnam.vn
[86400] 253.237.86.210.in-addr.arpa. domain name pointer ci237-253.netnam.vn
[86400] 254.237.86.210.in-addr.arpa. domain name pointer ci237-254.netnam.vn
[0] 255.237.86.210.in-addr.arpa.: domain name does not exist