[0] 0.230.86.210.in-addr.arpa.: domain name does not exist
[86400] 1.230.86.210.in-addr.arpa. domain name pointer ci230-1.netnam.vn
[86400] 2.230.86.210.in-addr.arpa. domain name pointer ci230-2.netnam.vn
[86400] 3.230.86.210.in-addr.arpa. domain name pointer ci230-3.netnam.vn
[86400] 4.230.86.210.in-addr.arpa. domain name pointer ci230-4.netnam.vn
[86400] 5.230.86.210.in-addr.arpa. domain name pointer ci230-5.netnam.vn
[86400] 6.230.86.210.in-addr.arpa. domain name pointer ci230-6.netnam.vn
[86400] 7.230.86.210.in-addr.arpa. domain name pointer ci230-7.netnam.vn
[86400] 8.230.86.210.in-addr.arpa. domain name pointer ci230-8.netnam.vn
[86400] 9.230.86.210.in-addr.arpa. domain name pointer ci230-9.netnam.vn
[86400] 10.230.86.210.in-addr.arpa. domain name pointer ci230-10.netnam.vn
[86400] 11.230.86.210.in-addr.arpa. domain name pointer ci230-11.netnam.vn
[86400] 12.230.86.210.in-addr.arpa. domain name pointer ci230-12.netnam.vn
[86400] 13.230.86.210.in-addr.arpa. domain name pointer ci230-13.netnam.vn
[86400] 14.230.86.210.in-addr.arpa. domain name pointer ci230-14.netnam.vn
[86400] 15.230.86.210.in-addr.arpa. domain name pointer ci230-15.netnam.vn
[86400] 16.230.86.210.in-addr.arpa. domain name pointer ci230-16.netnam.vn
[86400] 17.230.86.210.in-addr.arpa. domain name pointer ci230-17.netnam.vn
[86400] 18.230.86.210.in-addr.arpa. domain name pointer ci230-18.netnam.vn
[86400] 19.230.86.210.in-addr.arpa. domain name pointer ci230-19.netnam.vn
[86400] 20.230.86.210.in-addr.arpa. domain name pointer ci230-20.netnam.vn
[86400] 21.230.86.210.in-addr.arpa. domain name pointer ci230-21.netnam.vn
[86400] 22.230.86.210.in-addr.arpa. domain name pointer ci230-22.netnam.vn
[86400] 23.230.86.210.in-addr.arpa. domain name pointer ci230-23.netnam.vn
[86400] 24.230.86.210.in-addr.arpa. domain name pointer ci230-24.netnam.vn
[86400] 25.230.86.210.in-addr.arpa. domain name pointer ci230-25.netnam.vn
[86400] 26.230.86.210.in-addr.arpa. domain name pointer ci230-26.netnam.vn
[86400] 27.230.86.210.in-addr.arpa. domain name pointer ci230-27.netnam.vn
[86400] 28.230.86.210.in-addr.arpa. domain name pointer ci230-28.netnam.vn
[86400] 29.230.86.210.in-addr.arpa. domain name pointer ci230-29.netnam.vn
[86400] 30.230.86.210.in-addr.arpa. domain name pointer ci230-30.netnam.vn
[86400] 31.230.86.210.in-addr.arpa. domain name pointer ci230-31.netnam.vn
[86400] 32.230.86.210.in-addr.arpa. domain name pointer ci230-32.netnam.vn
[86400] 33.230.86.210.in-addr.arpa. domain name pointer ci230-33.netnam.vn
[86400] 34.230.86.210.in-addr.arpa. domain name pointer ci230-34.netnam.vn
[86400] 35.230.86.210.in-addr.arpa. domain name pointer ci230-35.netnam.vn
[86400] 36.230.86.210.in-addr.arpa. domain name pointer ci230-36.netnam.vn
[86400] 37.230.86.210.in-addr.arpa. domain name pointer ci230-37.netnam.vn
[86400] 38.230.86.210.in-addr.arpa. domain name pointer ci230-38.netnam.vn
[86400] 39.230.86.210.in-addr.arpa. domain name pointer ci230-39.netnam.vn
[86400] 40.230.86.210.in-addr.arpa. domain name pointer ci230-40.netnam.vn
[86400] 41.230.86.210.in-addr.arpa. domain name pointer ci230-41.netnam.vn
[86400] 42.230.86.210.in-addr.arpa. domain name pointer ci230-42.netnam.vn
[86400] 43.230.86.210.in-addr.arpa. domain name pointer ci230-43.netnam.vn
[86400] 44.230.86.210.in-addr.arpa. domain name pointer mail.shimadzumed.com.vn
[86400] 45.230.86.210.in-addr.arpa. domain name pointer ci230-45.netnam.vn
[86400] 46.230.86.210.in-addr.arpa. domain name pointer ci230-46.netnam.vn
[86400] 47.230.86.210.in-addr.arpa. domain name pointer ci230-47.netnam.vn
[86400] 48.230.86.210.in-addr.arpa. domain name pointer ci230-48.netnam.vn
[86400] 49.230.86.210.in-addr.arpa. domain name pointer ci230-49.netnam.vn
[86400] 50.230.86.210.in-addr.arpa. domain name pointer ci230-50.netnam.vn
[86400] 51.230.86.210.in-addr.arpa. domain name pointer ci230-51.netnam.vn
[86400] 52.230.86.210.in-addr.arpa. domain name pointer ci230-52.netnam.vn
[86400] 53.230.86.210.in-addr.arpa. domain name pointer ci230-53.netnam.vn
[86400] 54.230.86.210.in-addr.arpa. domain name pointer ci230-54.netnam.vn
[86400] 55.230.86.210.in-addr.arpa. domain name pointer ci230-55.netnam.vn
[86400] 56.230.86.210.in-addr.arpa. domain name pointer ci230-56.netnam.vn
[86400] 57.230.86.210.in-addr.arpa. domain name pointer ci230-57.netnam.vn
[86400] 58.230.86.210.in-addr.arpa. domain name pointer ci230-58.netnam.vn
[86400] 59.230.86.210.in-addr.arpa. domain name pointer ci230-59.netnam.vn
[86400] 60.230.86.210.in-addr.arpa. domain name pointer ci230-60.netnam.vn
[86400] 61.230.86.210.in-addr.arpa. domain name pointer ci230-61.netnam.vn
[86400] 62.230.86.210.in-addr.arpa. domain name pointer ci230-62.netnam.vn
[86400] 63.230.86.210.in-addr.arpa. domain name pointer ci230-63.netnam.vn
[86400] 64.230.86.210.in-addr.arpa. domain name pointer ci230-64.netnam.vn
[86400] 65.230.86.210.in-addr.arpa. domain name pointer ci230-65.netnam.vn
[86400] 66.230.86.210.in-addr.arpa. domain name pointer ci230-66.netnam.vn
[86400] 67.230.86.210.in-addr.arpa. domain name pointer mail.simco.vn
[86400] 68.230.86.210.in-addr.arpa. domain name pointer ci230-68.netnam.vn
[86400] 69.230.86.210.in-addr.arpa. domain name pointer ci230-69.netnam.vn
[86400] 70.230.86.210.in-addr.arpa. domain name pointer ci230-70.netnam.vn
[86400] 71.230.86.210.in-addr.arpa. domain name pointer ci230-71.netnam.vn
[86400] 72.230.86.210.in-addr.arpa. domain name pointer ci230-72.netnam.vn
[86400] 73.230.86.210.in-addr.arpa. domain name pointer ci230-73.netnam.vn
[86400] 74.230.86.210.in-addr.arpa. domain name pointer ci230-74.netnam.vn
[86400] 75.230.86.210.in-addr.arpa. domain name pointer ci230-75.netnam.vn
[86400] 76.230.86.210.in-addr.arpa. domain name pointer ci230-76.netnam.vn
[86400] 77.230.86.210.in-addr.arpa. domain name pointer ci230-77.netnam.vn
[86400] 78.230.86.210.in-addr.arpa. domain name pointer ci230-78.netnam.vn
[86400] 79.230.86.210.in-addr.arpa. domain name pointer ci230-79.netnam.vn
[86400] 80.230.86.210.in-addr.arpa. domain name pointer ci230-80.netnam.vn
[86400] 81.230.86.210.in-addr.arpa. domain name pointer ci230-81.netnam.vn
[86400] 82.230.86.210.in-addr.arpa. domain name pointer ci230-82.netnam.vn
[86400] 83.230.86.210.in-addr.arpa. domain name pointer ci230-83.netnam.vn
[86400] 84.230.86.210.in-addr.arpa. domain name pointer ci230-84.netnam.vn
[86400] 85.230.86.210.in-addr.arpa. domain name pointer ci230-85.netnam.vn
[86400] 86.230.86.210.in-addr.arpa. domain name pointer ci230-86.netnam.vn
[86400] 87.230.86.210.in-addr.arpa. domain name pointer ci230-87.netnam.vn
[86400] 88.230.86.210.in-addr.arpa. domain name pointer ci230-88.netnam.vn
[86400] 89.230.86.210.in-addr.arpa. domain name pointer ci230-89.netnam.vn
[86400] 90.230.86.210.in-addr.arpa. domain name pointer ci230-90.netnam.vn
[86400] 91.230.86.210.in-addr.arpa. domain name pointer ci230-91.netnam.vn
[86400] 92.230.86.210.in-addr.arpa. domain name pointer ci230-92.netnam.vn
[86400] 93.230.86.210.in-addr.arpa. domain name pointer ci230-93.netnam.vn
[86400] 94.230.86.210.in-addr.arpa. domain name pointer ci230-94.netnam.vn
[86400] 95.230.86.210.in-addr.arpa. domain name pointer ci230-95.netnam.vn
[86400] 96.230.86.210.in-addr.arpa. domain name pointer ci230-96.netnam.vn
[86400] 97.230.86.210.in-addr.arpa. domain name pointer ci230-97.netnam.vn
[86400] 98.230.86.210.in-addr.arpa. domain name pointer mailbk.coltech.vnu.vn
[86400] 99.230.86.210.in-addr.arpa. domain name pointer ci230-99.netnam.vn
[86400] 100.230.86.210.in-addr.arpa. domain name pointer ci230-100.netnam.vn
[86400] 101.230.86.210.in-addr.arpa. domain name pointer ci230-101.netnam.vn
[86400] 102.230.86.210.in-addr.arpa. domain name pointer ci230-102.netnam.vn
[86400] 103.230.86.210.in-addr.arpa. domain name pointer ci230-103.netnam.vn
[86400] 104.230.86.210.in-addr.arpa. domain name pointer ci230-104.netnam.vn
[86400] 105.230.86.210.in-addr.arpa. domain name pointer ci230-105.netnam.vn
[86400] 106.230.86.210.in-addr.arpa. domain name pointer ci230-106.netnam.vn
[86400] 107.230.86.210.in-addr.arpa. domain name pointer ci230-107.netnam.vn
[86400] 108.230.86.210.in-addr.arpa. domain name pointer ci230-108.netnam.vn
[86400] 109.230.86.210.in-addr.arpa. domain name pointer ci230-109.netnam.vn
[86400] 110.230.86.210.in-addr.arpa. domain name pointer ci230-110.netnam.vn
[86400] 111.230.86.210.in-addr.arpa. domain name pointer ci230-111.netnam.vn
[86400] 112.230.86.210.in-addr.arpa. domain name pointer ci230-112.netnam.vn
[86400] 113.230.86.210.in-addr.arpa. domain name pointer ci230-113.netnam.vn
[86400] 114.230.86.210.in-addr.arpa. domain name pointer mail.vast.vn
[86400] 115.230.86.210.in-addr.arpa. domain name pointer mail.vast.vn
[86400] 116.230.86.210.in-addr.arpa. domain name pointer ci230-116.netnam.vn
[86400] 117.230.86.210.in-addr.arpa. domain name pointer ci230-117.netnam.vn
[86400] 118.230.86.210.in-addr.arpa. domain name pointer ci230-118.netnam.vn
[86400] 119.230.86.210.in-addr.arpa. domain name pointer ci230-119.netnam.vn
[86400] 120.230.86.210.in-addr.arpa. domain name pointer ci230-120.netnam.vn
[86400] 121.230.86.210.in-addr.arpa. domain name pointer ci230-121.netnam.vn
[86400] 122.230.86.210.in-addr.arpa. domain name pointer ci230-122.netnam.vn
[86400] 123.230.86.210.in-addr.arpa. domain name pointer ci230-123.netnam.vn
[86400] 124.230.86.210.in-addr.arpa. domain name pointer ci230-124.netnam.vn
[86400] 125.230.86.210.in-addr.arpa. domain name pointer ci230-125.netnam.vn
[86400] 126.230.86.210.in-addr.arpa. domain name pointer ci230-126.netnam.vn
[86400] 127.230.86.210.in-addr.arpa. domain name pointer ci230-127.netnam.vn
[86400] 128.230.86.210.in-addr.arpa. domain name pointer ci230-128.netnam.vn
[86400] 129.230.86.210.in-addr.arpa. domain name pointer ci230-129.netnam.vn
[86400] 130.230.86.210.in-addr.arpa. domain name pointer ci230-130.netnam.vn
[86400] 131.230.86.210.in-addr.arpa. domain name pointer ci230-131.netnam.vn
[86400] 132.230.86.210.in-addr.arpa. domain name pointer ci230-132.netnam.vn
[86400] 133.230.86.210.in-addr.arpa. domain name pointer ci230-133.netnam.vn
[86400] 134.230.86.210.in-addr.arpa. domain name pointer ci230-134.netnam.vn
[86400] 135.230.86.210.in-addr.arpa. domain name pointer ci230-135.netnam.vn
[86400] 136.230.86.210.in-addr.arpa. domain name pointer ci230-136.netnam.vn
[86400] 137.230.86.210.in-addr.arpa. domain name pointer ci230-137.netnam.vn
[86400] 138.230.86.210.in-addr.arpa. domain name pointer ci230-138.netnam.vn
[86400] 139.230.86.210.in-addr.arpa. domain name pointer ci230-139.netnam.vn
[86400] 140.230.86.210.in-addr.arpa. domain name pointer ci230-140.netnam.vn
[86400] 141.230.86.210.in-addr.arpa. domain name pointer ci230-141.netnam.vn
[86400] 142.230.86.210.in-addr.arpa. domain name pointer ci230-142.netnam.vn
[86400] 143.230.86.210.in-addr.arpa. domain name pointer ci230-143.netnam.vn
[86400] 144.230.86.210.in-addr.arpa. domain name pointer ci230-144.netnam.vn
[86400] 145.230.86.210.in-addr.arpa. domain name pointer ci230-145.netnam.vn
[86400] 146.230.86.210.in-addr.arpa. domain name pointer ci230-146.netnam.vn
[86400] 147.230.86.210.in-addr.arpa. domain name pointer ci230-147.netnam.vn
[86400] 148.230.86.210.in-addr.arpa. domain name pointer ci230-148.netnam.vn
[86400] 149.230.86.210.in-addr.arpa. domain name pointer ci230-149.netnam.vn
[86400] 150.230.86.210.in-addr.arpa. domain name pointer ci230-150.netnam.vn
[86400] 151.230.86.210.in-addr.arpa. domain name pointer ci230-151.netnam.vn
[86400] 152.230.86.210.in-addr.arpa. domain name pointer ci230-152.netnam.vn
[86400] 153.230.86.210.in-addr.arpa. domain name pointer ci230-153.netnam.vn
[86400] 154.230.86.210.in-addr.arpa. domain name pointer ci230-154.netnam.vn
[86400] 155.230.86.210.in-addr.arpa. domain name pointer ci230-155.netnam.vn
[86400] 156.230.86.210.in-addr.arpa. domain name pointer ci230-156.netnam.vn
[86400] 157.230.86.210.in-addr.arpa. domain name pointer ci230-157.netnam.vn
[86400] 158.230.86.210.in-addr.arpa. domain name pointer ci230-158.netnam.vn
[86400] 159.230.86.210.in-addr.arpa. domain name pointer ci230-159.netnam.vn
[86400] 160.230.86.210.in-addr.arpa. domain name pointer ci230-160.netnam.vn
[86400] 161.230.86.210.in-addr.arpa. domain name pointer ci230-161.netnam.vn
[86400] 162.230.86.210.in-addr.arpa. domain name pointer ci230-162.netnam.vn
[86400] 163.230.86.210.in-addr.arpa. domain name pointer ci230-163.netnam.vn
[86400] 164.230.86.210.in-addr.arpa. domain name pointer ci230-164.netnam.vn
[86400] 165.230.86.210.in-addr.arpa. domain name pointer ci230-165.netnam.vn
[86400] 166.230.86.210.in-addr.arpa. domain name pointer ci230-166.netnam.vn
[86400] 167.230.86.210.in-addr.arpa. domain name pointer ci230-167.netnam.vn
[86400] 168.230.86.210.in-addr.arpa. domain name pointer ci230-168.netnam.vn
[86400] 169.230.86.210.in-addr.arpa. domain name pointer ci230-169.netnam.vn
[86400] 170.230.86.210.in-addr.arpa. domain name pointer ci230-170.netnam.vn
[86400] 171.230.86.210.in-addr.arpa. domain name pointer ci230-171.netnam.vn
[86400] 172.230.86.210.in-addr.arpa. domain name pointer ci230-172.netnam.vn
[86400] 173.230.86.210.in-addr.arpa. domain name pointer ci230-173.netnam.vn
[86400] 174.230.86.210.in-addr.arpa. domain name pointer ci230-174.netnam.vn
[86400] 175.230.86.210.in-addr.arpa. domain name pointer ci230-175.netnam.vn
[86400] 176.230.86.210.in-addr.arpa. domain name pointer ci230-176.netnam.vn
[86400] 177.230.86.210.in-addr.arpa. domain name pointer ci230-177.netnam.vn
[86400] 178.230.86.210.in-addr.arpa. domain name pointer ci230-178.netnam.vn
[86400] 179.230.86.210.in-addr.arpa. domain name pointer ci230-179.netnam.vn
[86400] 180.230.86.210.in-addr.arpa. domain name pointer ci230-180.netnam.vn
[86400] 181.230.86.210.in-addr.arpa. domain name pointer ci230-181.netnam.vn
[86400] 182.230.86.210.in-addr.arpa. domain name pointer ci230-182.netnam.vn
[86400] 183.230.86.210.in-addr.arpa. domain name pointer ci230-183.netnam.vn
[86400] 184.230.86.210.in-addr.arpa. domain name pointer ci230-184.netnam.vn
[86400] 185.230.86.210.in-addr.arpa. domain name pointer ci230-185.netnam.vn
[86400] 186.230.86.210.in-addr.arpa. domain name pointer ci230-186.netnam.vn
[86400] 187.230.86.210.in-addr.arpa. domain name pointer ci230-187.netnam.vn
[86400] 188.230.86.210.in-addr.arpa. domain name pointer ci230-188.netnam.vn
[86400] 189.230.86.210.in-addr.arpa. domain name pointer ci230-189.netnam.vn
[86400] 190.230.86.210.in-addr.arpa. domain name pointer ci230-190.netnam.vn
[86400] 191.230.86.210.in-addr.arpa. domain name pointer ci230-191.netnam.vn
[86400] 192.230.86.210.in-addr.arpa. domain name pointer ci230-192.netnam.vn
[86400] 193.230.86.210.in-addr.arpa. domain name pointer ci230-193.netnam.vn
[86400] 194.230.86.210.in-addr.arpa. domain name pointer ci230-194.netnam.vn
[86400] 195.230.86.210.in-addr.arpa. domain name pointer ci230-195.netnam.vn
[86400] 196.230.86.210.in-addr.arpa. domain name pointer ci230-196.netnam.vn
[86400] 197.230.86.210.in-addr.arpa. domain name pointer ci230-197.netnam.vn
[86400] 198.230.86.210.in-addr.arpa. domain name pointer ci230-198.netnam.vn
[86400] 199.230.86.210.in-addr.arpa. domain name pointer ci230-199.netnam.vn
[86400] 200.230.86.210.in-addr.arpa. domain name pointer ci230-200.netnam.vn
[86400] 201.230.86.210.in-addr.arpa. domain name pointer ci230-201.netnam.vn
[86400] 202.230.86.210.in-addr.arpa. domain name pointer ci230-202.netnam.vn
[86400] 203.230.86.210.in-addr.arpa. domain name pointer ci230-203.netnam.vn
[86400] 204.230.86.210.in-addr.arpa. domain name pointer ci230-204.netnam.vn
[86400] 205.230.86.210.in-addr.arpa. domain name pointer mail.vitv.vn
[86400] 206.230.86.210.in-addr.arpa. domain name pointer mail.vitv.vn
[86400] 207.230.86.210.in-addr.arpa. domain name pointer ci230-207.netnam.vn
[86400] 208.230.86.210.in-addr.arpa. domain name pointer ci230-208.netnam.vn
[86400] 209.230.86.210.in-addr.arpa. domain name pointer ci230-209.netnam.vn
[86400] 210.230.86.210.in-addr.arpa. domain name pointer ci230-210.netnam.vn
[86400] 211.230.86.210.in-addr.arpa. domain name pointer ci230-211.netnam.vn
[86400] 212.230.86.210.in-addr.arpa. domain name pointer ci230-212.netnam.vn
[86400] 213.230.86.210.in-addr.arpa. domain name pointer ci230-213.netnam.vn
[86400] 214.230.86.210.in-addr.arpa. domain name pointer ci230-214.netnam.vn
[86400] 215.230.86.210.in-addr.arpa. domain name pointer ci230-215.netnam.vn
[86400] 216.230.86.210.in-addr.arpa. domain name pointer ci230-216.netnam.vn
[86400] 217.230.86.210.in-addr.arpa. domain name pointer ci230-217.netnam.vn
[86400] 218.230.86.210.in-addr.arpa. domain name pointer ci230-218.netnam.vn
[86400] 219.230.86.210.in-addr.arpa. domain name pointer ci230-219.netnam.vn
[86400] 220.230.86.210.in-addr.arpa. domain name pointer ci230-220.netnam.vn
[86400] 221.230.86.210.in-addr.arpa. domain name pointer ci230-221.netnam.vn
[86400] 222.230.86.210.in-addr.arpa. domain name pointer ci230-222.netnam.vn
[86400] 223.230.86.210.in-addr.arpa. domain name pointer ci230-223.netnam.vn
[86400] 224.230.86.210.in-addr.arpa. domain name pointer ci230-224.netnam.vn
[86400] 225.230.86.210.in-addr.arpa. domain name pointer ci230-225.netnam.vn
[86400] 226.230.86.210.in-addr.arpa. domain name pointer ci230-226.netnam.vn
[86400] 227.230.86.210.in-addr.arpa. domain name pointer ci230-227.netnam.vn
[86400] 228.230.86.210.in-addr.arpa. domain name pointer ci230-228.netnam.vn
[86400] 229.230.86.210.in-addr.arpa. domain name pointer ci230-229.netnam.vn
[86400] 230.230.86.210.in-addr.arpa. domain name pointer ci230-230.netnam.vn
[86400] 231.230.86.210.in-addr.arpa. domain name pointer ci230-231.netnam.vn
[86400] 232.230.86.210.in-addr.arpa. domain name pointer ci230-232.netnam.vn
[86400] 233.230.86.210.in-addr.arpa. domain name pointer ci230-233.netnam.vn
[86400] 234.230.86.210.in-addr.arpa. domain name pointer ci230-234.netnam.vn
[86400] 235.230.86.210.in-addr.arpa. domain name pointer ci230-235.netnam.vn
[86400] 236.230.86.210.in-addr.arpa. domain name pointer ci230-236.netnam.vn
[86400] 237.230.86.210.in-addr.arpa. domain name pointer ci230-237.netnam.vn
[86400] 238.230.86.210.in-addr.arpa. domain name pointer ci230-238.netnam.vn
[86400] 239.230.86.210.in-addr.arpa. domain name pointer ci230-239.netnam.vn
[86400] 240.230.86.210.in-addr.arpa. domain name pointer ci230-240.netnam.vn
[86400] 241.230.86.210.in-addr.arpa. domain name pointer ci230-241.netnam.vn
[86400] 242.230.86.210.in-addr.arpa. domain name pointer ci230-242.netnam.vn
[86400] 243.230.86.210.in-addr.arpa. domain name pointer ci230-243.netnam.vn
[86400] 244.230.86.210.in-addr.arpa. domain name pointer ci230-244.netnam.vn
[86400] 245.230.86.210.in-addr.arpa. domain name pointer ci230-245.netnam.vn
[86400] 246.230.86.210.in-addr.arpa. domain name pointer ci230-246.netnam.vn
[86400] 247.230.86.210.in-addr.arpa. domain name pointer ci230-247.netnam.vn
[86400] 248.230.86.210.in-addr.arpa. domain name pointer ci230-248.netnam.vn
[86400] 249.230.86.210.in-addr.arpa. domain name pointer ci230-249.netnam.vn
[86400] 250.230.86.210.in-addr.arpa. domain name pointer ci230-250.netnam.vn
[86400] 251.230.86.210.in-addr.arpa. domain name pointer ci230-251.netnam.vn
[86400] 252.230.86.210.in-addr.arpa. domain name pointer ci230-252.netnam.vn
[86400] 253.230.86.210.in-addr.arpa. domain name pointer ci230-253.netnam.vn
[86400] 254.230.86.210.in-addr.arpa. domain name pointer ci230-254.netnam.vn
[0] 255.230.86.210.in-addr.arpa.: domain name does not exist