[0] 0.20.53.101.in-addr.arpa.: domain name does not exist
[86400] 1.20.53.101.in-addr.arpa. domain name pointer ci53.20-1.netnam.vn
[86400] 2.20.53.101.in-addr.arpa. domain name pointer ci53.20-2.netnam.vn
[86400] 3.20.53.101.in-addr.arpa. domain name pointer ci53.20-3.netnam.vn
[86400] 4.20.53.101.in-addr.arpa. domain name pointer ci53.20-4.netnam.vn
[86400] 5.20.53.101.in-addr.arpa. domain name pointer ci53.20-5.netnam.vn
[86400] 6.20.53.101.in-addr.arpa. domain name pointer ci53.20-6.netnam.vn
[86400] 7.20.53.101.in-addr.arpa. domain name pointer ci53.20-7.netnam.vn
[86400] 8.20.53.101.in-addr.arpa. domain name pointer ci53.20-8.netnam.vn
[86400] 9.20.53.101.in-addr.arpa. domain name pointer ci53.20-9.netnam.vn
[86400] 10.20.53.101.in-addr.arpa. domain name pointer ci53.20-10.netnam.vn
[86400] 11.20.53.101.in-addr.arpa. domain name pointer ci53.20-11.netnam.vn
[86400] 12.20.53.101.in-addr.arpa. domain name pointer ci53.20-12.netnam.vn
[86400] 13.20.53.101.in-addr.arpa. domain name pointer ci53.20-13.netnam.vn
[86400] 14.20.53.101.in-addr.arpa. domain name pointer ci53.20-14.netnam.vn
[86400] 15.20.53.101.in-addr.arpa. domain name pointer ci53.20-15.netnam.vn
[86400] 16.20.53.101.in-addr.arpa. domain name pointer ci53.20-16.netnam.vn
[86400] 17.20.53.101.in-addr.arpa. domain name pointer ci53.20-17.netnam.vn
[86400] 18.20.53.101.in-addr.arpa. domain name pointer ci53.20-18.netnam.vn
[86400] 19.20.53.101.in-addr.arpa. domain name pointer ci53.20-19.netnam.vn
[86400] 20.20.53.101.in-addr.arpa. domain name pointer ci53.20-20.netnam.vn
[86400] 21.20.53.101.in-addr.arpa. domain name pointer ci53.20-21.netnam.vn
[86400] 22.20.53.101.in-addr.arpa. domain name pointer ci53.20-22.netnam.vn
[86400] 23.20.53.101.in-addr.arpa. domain name pointer ci53.20-23.netnam.vn
[86400] 24.20.53.101.in-addr.arpa. domain name pointer ci53.20-24.netnam.vn
[86400] 25.20.53.101.in-addr.arpa. domain name pointer ci53.20-25.netnam.vn
[86400] 26.20.53.101.in-addr.arpa. domain name pointer ci53.20-26.netnam.vn
[86400] 27.20.53.101.in-addr.arpa. domain name pointer ci53.20-27.netnam.vn
[86400] 28.20.53.101.in-addr.arpa. domain name pointer ci53.20-28.netnam.vn
[86400] 29.20.53.101.in-addr.arpa. domain name pointer ci53.20-29.netnam.vn
[86400] 30.20.53.101.in-addr.arpa. domain name pointer ci53.20-30.netnam.vn
[86400] 31.20.53.101.in-addr.arpa. domain name pointer ci53.20-31.netnam.vn
[86400] 32.20.53.101.in-addr.arpa. domain name pointer ci53.20-32.netnam.vn
[86400] 33.20.53.101.in-addr.arpa. domain name pointer ci53.20-33.netnam.vn
[86400] 34.20.53.101.in-addr.arpa. domain name pointer ci53.20-34.netnam.vn
[86400] 35.20.53.101.in-addr.arpa. domain name pointer ci53.20-35.netnam.vn
[86400] 36.20.53.101.in-addr.arpa. domain name pointer ci53.20-36.netnam.vn
[86400] 37.20.53.101.in-addr.arpa. domain name pointer ci53.20-37.netnam.vn
[86400] 38.20.53.101.in-addr.arpa. domain name pointer ci53.20-38.netnam.vn
[86400] 39.20.53.101.in-addr.arpa. domain name pointer ci53.20-39.netnam.vn
[86400] 40.20.53.101.in-addr.arpa. domain name pointer ci53.20-40.netnam.vn
[86400] 41.20.53.101.in-addr.arpa. domain name pointer ci53.20-41.netnam.vn
[86400] 42.20.53.101.in-addr.arpa. domain name pointer ci53.20-42.netnam.vn
[86400] 43.20.53.101.in-addr.arpa. domain name pointer ci53.20-43.netnam.vn
[86400] 44.20.53.101.in-addr.arpa. domain name pointer ci53.20-44.netnam.vn
[86400] 45.20.53.101.in-addr.arpa. domain name pointer ci53.20-45.netnam.vn
[86400] 46.20.53.101.in-addr.arpa. domain name pointer ci53.20-46.netnam.vn
[86400] 47.20.53.101.in-addr.arpa. domain name pointer ci53.20-47.netnam.vn
[86400] 48.20.53.101.in-addr.arpa. domain name pointer ci53.20-48.netnam.vn
[86400] 49.20.53.101.in-addr.arpa. domain name pointer ci53.20-49.netnam.vn
[86400] 50.20.53.101.in-addr.arpa. domain name pointer ci53.20-50.netnam.vn
[86400] 51.20.53.101.in-addr.arpa. domain name pointer ci53.20-51.netnam.vn
[86400] 52.20.53.101.in-addr.arpa. domain name pointer ci53.20-52.netnam.vn
[86400] 53.20.53.101.in-addr.arpa. domain name pointer ci53.20-53.netnam.vn
[86400] 54.20.53.101.in-addr.arpa. domain name pointer ci53.20-54.netnam.vn
[86400] 55.20.53.101.in-addr.arpa. domain name pointer ci53.20-55.netnam.vn
[86400] 56.20.53.101.in-addr.arpa. domain name pointer ci53.20-56.netnam.vn
[86400] 57.20.53.101.in-addr.arpa. domain name pointer ci53.20-57.netnam.vn
[86400] 58.20.53.101.in-addr.arpa. domain name pointer ci53.20-58.netnam.vn
[86400] 59.20.53.101.in-addr.arpa. domain name pointer ci53.20-59.netnam.vn
[86400] 60.20.53.101.in-addr.arpa. domain name pointer ci53.20-60.netnam.vn
[86400] 61.20.53.101.in-addr.arpa. domain name pointer ci53.20-61.netnam.vn
[86400] 62.20.53.101.in-addr.arpa. domain name pointer ci53.20-62.netnam.vn
[86400] 63.20.53.101.in-addr.arpa. domain name pointer ci53.20-63.netnam.vn
[86400] 64.20.53.101.in-addr.arpa. domain name pointer ci53.20-64.netnam.vn
[86400] 65.20.53.101.in-addr.arpa. domain name pointer ci53.20-65.netnam.vn
[86400] 66.20.53.101.in-addr.arpa. domain name pointer ci53.20-66.netnam.vn
[86400] 67.20.53.101.in-addr.arpa. domain name pointer ci53.20-67.netnam.vn
[86400] 68.20.53.101.in-addr.arpa. domain name pointer ci53.20-68.netnam.vn
[86400] 69.20.53.101.in-addr.arpa. domain name pointer ci53.20-69.netnam.vn
[86400] 70.20.53.101.in-addr.arpa. domain name pointer ci53.20-70.netnam.vn
[86400] 71.20.53.101.in-addr.arpa. domain name pointer ci53.20-71.netnam.vn
[86400] 72.20.53.101.in-addr.arpa. domain name pointer ci53.20-72.netnam.vn
[86400] 73.20.53.101.in-addr.arpa. domain name pointer ci53.20-73.netnam.vn
[86400] 74.20.53.101.in-addr.arpa. domain name pointer ci53.20-74.netnam.vn
[86400] 75.20.53.101.in-addr.arpa. domain name pointer ci53.20-75.netnam.vn
[86400] 76.20.53.101.in-addr.arpa. domain name pointer ci53.20-76.netnam.vn
[86400] 77.20.53.101.in-addr.arpa. domain name pointer ci53.20-77.netnam.vn
[86400] 78.20.53.101.in-addr.arpa. domain name pointer ci53.20-78.netnam.vn
[86400] 79.20.53.101.in-addr.arpa. domain name pointer ci53.20-79.netnam.vn
[86400] 80.20.53.101.in-addr.arpa. domain name pointer ci53.20-80.netnam.vn
[86400] 81.20.53.101.in-addr.arpa. domain name pointer ci53.20-81.netnam.vn
[86400] 82.20.53.101.in-addr.arpa. domain name pointer ci53.20-82.netnam.vn
[86400] 83.20.53.101.in-addr.arpa. domain name pointer ci53.20-83.netnam.vn
[86400] 84.20.53.101.in-addr.arpa. domain name pointer ci53.20-84.netnam.vn
[86400] 85.20.53.101.in-addr.arpa. domain name pointer ci53.20-85.netnam.vn
[86400] 86.20.53.101.in-addr.arpa. domain name pointer ci53.20-86.netnam.vn
[86400] 87.20.53.101.in-addr.arpa. domain name pointer ci53.20-87.netnam.vn
[86400] 88.20.53.101.in-addr.arpa. domain name pointer ci53.20-88.netnam.vn
[86400] 89.20.53.101.in-addr.arpa. domain name pointer ci53.20-89.netnam.vn
[86400] 90.20.53.101.in-addr.arpa. domain name pointer ci53.20-90.netnam.vn
[86400] 91.20.53.101.in-addr.arpa. domain name pointer ci53.20-91.netnam.vn
[86400] 92.20.53.101.in-addr.arpa. domain name pointer ci53.20-92.netnam.vn
[86400] 93.20.53.101.in-addr.arpa. domain name pointer ci53.20-93.netnam.vn
[86400] 94.20.53.101.in-addr.arpa. domain name pointer ci53.20-94.netnam.vn
[86400] 95.20.53.101.in-addr.arpa. domain name pointer ci53.20-95.netnam.vn
[86400] 96.20.53.101.in-addr.arpa. domain name pointer ci53.20-96.netnam.vn
[86400] 97.20.53.101.in-addr.arpa. domain name pointer ci53.20-97.netnam.vn
[86400] 98.20.53.101.in-addr.arpa. domain name pointer ci53.20-98.netnam.vn
[86400] 99.20.53.101.in-addr.arpa. domain name pointer ci53.20-99.netnam.vn
[86400] 100.20.53.101.in-addr.arpa. domain name pointer ci53.20-100.netnam.vn
[86400] 101.20.53.101.in-addr.arpa. domain name pointer ci53.20-101.netnam.vn
[86400] 102.20.53.101.in-addr.arpa. domain name pointer ci53.20-102.netnam.vn
[86400] 103.20.53.101.in-addr.arpa. domain name pointer ci53.20-103.netnam.vn
[86400] 104.20.53.101.in-addr.arpa. domain name pointer ci53.20-104.netnam.vn
[86400] 105.20.53.101.in-addr.arpa. domain name pointer ci53.20-105.netnam.vn
[86400] 106.20.53.101.in-addr.arpa. domain name pointer ci53.20-106.netnam.vn
[86400] 107.20.53.101.in-addr.arpa. domain name pointer ci53.20-107.netnam.vn
[86400] 108.20.53.101.in-addr.arpa. domain name pointer ci53.20-108.netnam.vn
[86400] 109.20.53.101.in-addr.arpa. domain name pointer ci53.20-109.netnam.vn
[86400] 110.20.53.101.in-addr.arpa. domain name pointer ci53.20-110.netnam.vn
[86400] 111.20.53.101.in-addr.arpa. domain name pointer ci53.20-111.netnam.vn
[86400] 112.20.53.101.in-addr.arpa. domain name pointer ci53.20-112.netnam.vn
[86400] 113.20.53.101.in-addr.arpa. domain name pointer ci53.20-113.netnam.vn
[86400] 114.20.53.101.in-addr.arpa. domain name pointer ci53.20-114.netnam.vn
[86400] 115.20.53.101.in-addr.arpa. domain name pointer ci53.20-115.netnam.vn
[86400] 116.20.53.101.in-addr.arpa. domain name pointer ci53.20-116.netnam.vn
[86400] 117.20.53.101.in-addr.arpa. domain name pointer ci53.20-117.netnam.vn
[86400] 118.20.53.101.in-addr.arpa. domain name pointer ci53.20-118.netnam.vn
[86400] 119.20.53.101.in-addr.arpa. domain name pointer ci53.20-119.netnam.vn
[86400] 120.20.53.101.in-addr.arpa. domain name pointer ci53.20-120.netnam.vn
[86400] 121.20.53.101.in-addr.arpa. domain name pointer ci53.20-121.netnam.vn
[86400] 122.20.53.101.in-addr.arpa. domain name pointer ci53.20-122.netnam.vn
[86400] 123.20.53.101.in-addr.arpa. domain name pointer ci53.20-123.netnam.vn
[86400] 124.20.53.101.in-addr.arpa. domain name pointer ci53.20-124.netnam.vn
[86400] 125.20.53.101.in-addr.arpa. domain name pointer ci53.20-125.netnam.vn
[86400] 126.20.53.101.in-addr.arpa. domain name pointer ci53.20-126.netnam.vn
[86400] 127.20.53.101.in-addr.arpa. domain name pointer ci53.20-127.netnam.vn
[86400] 128.20.53.101.in-addr.arpa. domain name pointer ci53.20-128.netnam.vn
[86400] 129.20.53.101.in-addr.arpa. domain name pointer ci53.20-129.netnam.vn
[86400] 130.20.53.101.in-addr.arpa. domain name pointer ci53.20-130.netnam.vn
[86400] 131.20.53.101.in-addr.arpa. domain name pointer ci53.20-131.netnam.vn
[86400] 132.20.53.101.in-addr.arpa. domain name pointer ci53.20-132.netnam.vn
[86400] 133.20.53.101.in-addr.arpa. domain name pointer ci53.20-133.netnam.vn
[86400] 134.20.53.101.in-addr.arpa. domain name pointer ci53.20-134.netnam.vn
[86400] 135.20.53.101.in-addr.arpa. domain name pointer ci53.20-135.netnam.vn
[86400] 136.20.53.101.in-addr.arpa. domain name pointer ci53.20-136.netnam.vn
[86400] 137.20.53.101.in-addr.arpa. domain name pointer ci53.20-137.netnam.vn
[86400] 138.20.53.101.in-addr.arpa. domain name pointer ci53.20-138.netnam.vn
[86400] 139.20.53.101.in-addr.arpa. domain name pointer ci53.20-139.netnam.vn
[86400] 140.20.53.101.in-addr.arpa. domain name pointer ci53.20-140.netnam.vn
[86400] 141.20.53.101.in-addr.arpa. domain name pointer ci53.20-141.netnam.vn
[86400] 142.20.53.101.in-addr.arpa. domain name pointer ci53.20-142.netnam.vn
[86400] 143.20.53.101.in-addr.arpa. domain name pointer ci53.20-143.netnam.vn
[86400] 144.20.53.101.in-addr.arpa. domain name pointer ci53.20-144.netnam.vn
[86400] 145.20.53.101.in-addr.arpa. domain name pointer ci53.20-145.netnam.vn
[86400] 146.20.53.101.in-addr.arpa. domain name pointer ci53.20-146.netnam.vn
[86400] 147.20.53.101.in-addr.arpa. domain name pointer ci53.20-147.netnam.vn
[86400] 148.20.53.101.in-addr.arpa. domain name pointer ci53.20-148.netnam.vn
[86400] 149.20.53.101.in-addr.arpa. domain name pointer ci53.20-149.netnam.vn
[86400] 150.20.53.101.in-addr.arpa. domain name pointer ci53.20-150.netnam.vn
[86400] 151.20.53.101.in-addr.arpa. domain name pointer ci53.20-151.netnam.vn
[86400] 152.20.53.101.in-addr.arpa. domain name pointer ci53.20-152.netnam.vn
[86400] 153.20.53.101.in-addr.arpa. domain name pointer ci53.20-153.netnam.vn
[86400] 154.20.53.101.in-addr.arpa. domain name pointer ci53.20-154.netnam.vn
[86400] 155.20.53.101.in-addr.arpa. domain name pointer ci53.20-155.netnam.vn
[86400] 156.20.53.101.in-addr.arpa. domain name pointer ci53.20-156.netnam.vn
[86400] 157.20.53.101.in-addr.arpa. domain name pointer ci53.20-157.netnam.vn
[86400] 158.20.53.101.in-addr.arpa. domain name pointer ci53.20-158.netnam.vn
[86400] 159.20.53.101.in-addr.arpa. domain name pointer ci53.20-159.netnam.vn
[86400] 160.20.53.101.in-addr.arpa. domain name pointer ci53.20-160.netnam.vn
[86400] 161.20.53.101.in-addr.arpa. domain name pointer ci53.20-161.netnam.vn
[86400] 162.20.53.101.in-addr.arpa. domain name pointer ci53.20-162.netnam.vn
[86400] 163.20.53.101.in-addr.arpa. domain name pointer ci53.20-163.netnam.vn
[86400] 164.20.53.101.in-addr.arpa. domain name pointer ci53.20-164.netnam.vn
[86400] 165.20.53.101.in-addr.arpa. domain name pointer ci53.20-165.netnam.vn
[86400] 166.20.53.101.in-addr.arpa. domain name pointer ci53.20-166.netnam.vn
[86400] 167.20.53.101.in-addr.arpa. domain name pointer ci53.20-167.netnam.vn
[86400] 168.20.53.101.in-addr.arpa. domain name pointer ci53.20-168.netnam.vn
[86400] 169.20.53.101.in-addr.arpa. domain name pointer ci53.20-169.netnam.vn
[86400] 170.20.53.101.in-addr.arpa. domain name pointer ci53.20-170.netnam.vn
[86400] 171.20.53.101.in-addr.arpa. domain name pointer ci53.20-171.netnam.vn
[86400] 172.20.53.101.in-addr.arpa. domain name pointer ci53.20-172.netnam.vn
[86400] 173.20.53.101.in-addr.arpa. domain name pointer ci53.20-173.netnam.vn
[86400] 174.20.53.101.in-addr.arpa. domain name pointer ci53.20-174.netnam.vn
[86400] 175.20.53.101.in-addr.arpa. domain name pointer ci53.20-175.netnam.vn
[86400] 176.20.53.101.in-addr.arpa. domain name pointer ci53.20-176.netnam.vn
[86400] 177.20.53.101.in-addr.arpa. domain name pointer ci53.20-177.netnam.vn
[86400] 178.20.53.101.in-addr.arpa. domain name pointer ci53.20-178.netnam.vn
[86400] 179.20.53.101.in-addr.arpa. domain name pointer ci53.20-179.netnam.vn
[86400] 180.20.53.101.in-addr.arpa. domain name pointer ci53.20-180.netnam.vn
[86400] 181.20.53.101.in-addr.arpa. domain name pointer ci53.20-181.netnam.vn
[86400] 182.20.53.101.in-addr.arpa. domain name pointer ci53.20-182.netnam.vn
[86400] 183.20.53.101.in-addr.arpa. domain name pointer ci53.20-183.netnam.vn
[86400] 184.20.53.101.in-addr.arpa. domain name pointer ci53.20-184.netnam.vn
[86400] 185.20.53.101.in-addr.arpa. domain name pointer ci53.20-185.netnam.vn
[86400] 186.20.53.101.in-addr.arpa. domain name pointer ci53.20-186.netnam.vn
[86400] 187.20.53.101.in-addr.arpa. domain name pointer ci53.20-187.netnam.vn
[86400] 188.20.53.101.in-addr.arpa. domain name pointer ci53.20-188.netnam.vn
[86400] 189.20.53.101.in-addr.arpa. domain name pointer ci53.20-189.netnam.vn
[86400] 190.20.53.101.in-addr.arpa. domain name pointer ci53.20-190.netnam.vn
[86400] 191.20.53.101.in-addr.arpa. domain name pointer ci53.20-191.netnam.vn
[86400] 192.20.53.101.in-addr.arpa. domain name pointer ci53.20-192.netnam.vn
[86400] 193.20.53.101.in-addr.arpa. domain name pointer ci53.20-193.netnam.vn
[86400] 194.20.53.101.in-addr.arpa. domain name pointer ci53.20-194.netnam.vn
[86400] 195.20.53.101.in-addr.arpa. domain name pointer ci53.20-195.netnam.vn
[86400] 196.20.53.101.in-addr.arpa. domain name pointer ci53.20-196.netnam.vn
[86400] 197.20.53.101.in-addr.arpa. domain name pointer ci53.20-197.netnam.vn
[86400] 198.20.53.101.in-addr.arpa. domain name pointer ci53.20-198.netnam.vn
[86400] 199.20.53.101.in-addr.arpa. domain name pointer ci53.20-199.netnam.vn
[86400] 200.20.53.101.in-addr.arpa. domain name pointer ci53.20-200.netnam.vn
[86400] 201.20.53.101.in-addr.arpa. domain name pointer ci53.20-201.netnam.vn
[86400] 202.20.53.101.in-addr.arpa. domain name pointer ci53.20-202.netnam.vn
[86400] 203.20.53.101.in-addr.arpa. domain name pointer ci53.20-203.netnam.vn
[86400] 204.20.53.101.in-addr.arpa. domain name pointer ci53.20-204.netnam.vn
[86400] 205.20.53.101.in-addr.arpa. domain name pointer ci53.20-205.netnam.vn
[86400] 206.20.53.101.in-addr.arpa. domain name pointer ci53.20-206.netnam.vn
[86400] 207.20.53.101.in-addr.arpa. domain name pointer ci53.20-207.netnam.vn
[86400] 208.20.53.101.in-addr.arpa. domain name pointer ci53.20-208.netnam.vn
[86400] 209.20.53.101.in-addr.arpa. domain name pointer ci53.20-209.netnam.vn
[86400] 210.20.53.101.in-addr.arpa. domain name pointer ci53.20-210.netnam.vn
[86400] 211.20.53.101.in-addr.arpa. domain name pointer ci53.20-211.netnam.vn
[86400] 212.20.53.101.in-addr.arpa. domain name pointer ci53.20-212.netnam.vn
[86400] 213.20.53.101.in-addr.arpa. domain name pointer ci53.20-213.netnam.vn
[86400] 214.20.53.101.in-addr.arpa. domain name pointer ci53.20-214.netnam.vn
[86400] 215.20.53.101.in-addr.arpa. domain name pointer ci53.20-215.netnam.vn
[86400] 216.20.53.101.in-addr.arpa. domain name pointer ci53.20-216.netnam.vn
[86400] 217.20.53.101.in-addr.arpa. domain name pointer ci53.20-217.netnam.vn
[86400] 218.20.53.101.in-addr.arpa. domain name pointer ci53.20-218.netnam.vn
[86400] 219.20.53.101.in-addr.arpa. domain name pointer ci53.20-219.netnam.vn
[86400] 220.20.53.101.in-addr.arpa. domain name pointer ci53.20-220.netnam.vn
[86400] 221.20.53.101.in-addr.arpa. domain name pointer ci53.20-221.netnam.vn
[86400] 222.20.53.101.in-addr.arpa. domain name pointer ci53.20-222.netnam.vn
[86400] 223.20.53.101.in-addr.arpa. domain name pointer ci53.20-223.netnam.vn
[86400] 224.20.53.101.in-addr.arpa. domain name pointer ci53.20-224.netnam.vn
[86400] 225.20.53.101.in-addr.arpa. domain name pointer ci53.20-225.netnam.vn
[86400] 226.20.53.101.in-addr.arpa. domain name pointer ci53.20-226.netnam.vn
[86400] 227.20.53.101.in-addr.arpa. domain name pointer ci53.20-227.netnam.vn
[86400] 228.20.53.101.in-addr.arpa. domain name pointer ci53.20-228.netnam.vn
[86400] 229.20.53.101.in-addr.arpa. domain name pointer ci53.20-229.netnam.vn
[86400] 230.20.53.101.in-addr.arpa. domain name pointer ci53.20-230.netnam.vn
[86400] 231.20.53.101.in-addr.arpa. domain name pointer ci53.20-231.netnam.vn
[86400] 232.20.53.101.in-addr.arpa. domain name pointer ci53.20-232.netnam.vn
[86400] 233.20.53.101.in-addr.arpa. domain name pointer ci53.20-233.netnam.vn
[86400] 234.20.53.101.in-addr.arpa. domain name pointer ci53.20-234.netnam.vn
[86400] 235.20.53.101.in-addr.arpa. domain name pointer ci53.20-235.netnam.vn
[86400] 236.20.53.101.in-addr.arpa. domain name pointer ci53.20-236.netnam.vn
[86400] 237.20.53.101.in-addr.arpa. domain name pointer ci53.20-237.netnam.vn
[86400] 238.20.53.101.in-addr.arpa. domain name pointer ci53.20-238.netnam.vn
[86400] 239.20.53.101.in-addr.arpa. domain name pointer ci53.20-239.netnam.vn
[86400] 240.20.53.101.in-addr.arpa. domain name pointer ci53.20-240.netnam.vn
[86400] 241.20.53.101.in-addr.arpa. domain name pointer ci53.20-241.netnam.vn
[86400] 242.20.53.101.in-addr.arpa. domain name pointer ci53.20-242.netnam.vn
[86400] 243.20.53.101.in-addr.arpa. domain name pointer ci53.20-243.netnam.vn
[86400] 244.20.53.101.in-addr.arpa. domain name pointer ci53.20-244.netnam.vn
[86400] 245.20.53.101.in-addr.arpa. domain name pointer ci53.20-245.netnam.vn
[86400] 246.20.53.101.in-addr.arpa. domain name pointer ci53.20-246.netnam.vn
[86400] 247.20.53.101.in-addr.arpa. domain name pointer ci53.20-247.netnam.vn
[86400] 248.20.53.101.in-addr.arpa. domain name pointer ci53.20-248.netnam.vn
[86400] 249.20.53.101.in-addr.arpa. domain name pointer ci53.20-249.netnam.vn
[86400] 250.20.53.101.in-addr.arpa. domain name pointer ci53.20-250.netnam.vn
[86400] 251.20.53.101.in-addr.arpa. domain name pointer ci53.20-251.netnam.vn
[86400] 252.20.53.101.in-addr.arpa. domain name pointer ci53.20-252.netnam.vn
[86400] 253.20.53.101.in-addr.arpa. domain name pointer ci53.20-253.netnam.vn
[86400] 254.20.53.101.in-addr.arpa. domain name pointer ci53.20-254.netnam.vn
[0] 255.20.53.101.in-addr.arpa.: domain name does not exist