[0] 0.181.69.220.in-addr.arpa not found: 3(NXDOMAIN)
[14400] 1.181.69.220.in-addr.arpa. domain name pointer v81-1.icu.ac.kr
[14400] 2.181.69.220.in-addr.arpa. domain name pointer v81-2.icu.ac.kr
[14400] 3.181.69.220.in-addr.arpa. domain name pointer v81-3.icu.ac.kr
[14400] 4.181.69.220.in-addr.arpa. domain name pointer v81-4.icu.ac.kr
[14400] 5.181.69.220.in-addr.arpa. domain name pointer v81-5.icu.ac.kr
[14400] 6.181.69.220.in-addr.arpa. domain name pointer v81-6.icu.ac.kr
[14400] 7.181.69.220.in-addr.arpa. domain name pointer v81-7.icu.ac.kr
[14400] 8.181.69.220.in-addr.arpa. domain name pointer v81-8.icu.ac.kr
[14400] 9.181.69.220.in-addr.arpa. domain name pointer v81-9.icu.ac.kr
[14400] 10.181.69.220.in-addr.arpa. domain name pointer v81-10.icu.ac.kr
[14400] 11.181.69.220.in-addr.arpa. domain name pointer v81-11.icu.ac.kr
[14400] 12.181.69.220.in-addr.arpa. domain name pointer v81-12.icu.ac.kr
[14400] 13.181.69.220.in-addr.arpa. domain name pointer v81-13.icu.ac.kr
[14400] 14.181.69.220.in-addr.arpa. domain name pointer v81-14.icu.ac.kr
[14400] 15.181.69.220.in-addr.arpa. domain name pointer v81-15.icu.ac.kr
[14400] 16.181.69.220.in-addr.arpa. domain name pointer v81-16.icu.ac.kr
[14400] 17.181.69.220.in-addr.arpa. domain name pointer v81-17.icu.ac.kr
[14400] 18.181.69.220.in-addr.arpa. domain name pointer v81-18.icu.ac.kr
[14400] 19.181.69.220.in-addr.arpa. domain name pointer v81-19.icu.ac.kr
[14400] 20.181.69.220.in-addr.arpa. domain name pointer v81-20.icu.ac.kr
[14400] 21.181.69.220.in-addr.arpa. domain name pointer v81-21.icu.ac.kr
[14400] 22.181.69.220.in-addr.arpa. domain name pointer v81-22.icu.ac.kr
[14400] 23.181.69.220.in-addr.arpa. domain name pointer v81-23.icu.ac.kr
[14400] 24.181.69.220.in-addr.arpa. domain name pointer v81-24.icu.ac.kr
[14400] 25.181.69.220.in-addr.arpa. domain name pointer v81-25.icu.ac.kr
[14400] 26.181.69.220.in-addr.arpa. domain name pointer v81-26.icu.ac.kr
[14400] 27.181.69.220.in-addr.arpa. domain name pointer v81-27.icu.ac.kr
[14400] 28.181.69.220.in-addr.arpa. domain name pointer v81-28.icu.ac.kr
[14400] 29.181.69.220.in-addr.arpa. domain name pointer v81-29.icu.ac.kr
[14400] 30.181.69.220.in-addr.arpa. domain name pointer v81-30.icu.ac.kr
[14400] 31.181.69.220.in-addr.arpa. domain name pointer v81-31.icu.ac.kr
[14400] 32.181.69.220.in-addr.arpa. domain name pointer v81-32.icu.ac.kr
[14400] 33.181.69.220.in-addr.arpa. domain name pointer v81-33.icu.ac.kr
[14400] 34.181.69.220.in-addr.arpa. domain name pointer v81-34.icu.ac.kr
[14400] 35.181.69.220.in-addr.arpa. domain name pointer v81-35.icu.ac.kr
[14400] 36.181.69.220.in-addr.arpa. domain name pointer v81-36.icu.ac.kr
[14400] 37.181.69.220.in-addr.arpa. domain name pointer v81-37.icu.ac.kr
[14400] 38.181.69.220.in-addr.arpa. domain name pointer v81-38.icu.ac.kr
[14400] 39.181.69.220.in-addr.arpa. domain name pointer v81-39.icu.ac.kr
[14400] 40.181.69.220.in-addr.arpa. domain name pointer v81-40.icu.ac.kr
[14400] 41.181.69.220.in-addr.arpa. domain name pointer v81-41.icu.ac.kr
[14400] 42.181.69.220.in-addr.arpa. domain name pointer v81-42.icu.ac.kr
[14400] 43.181.69.220.in-addr.arpa. domain name pointer v81-43.icu.ac.kr
[14400] 44.181.69.220.in-addr.arpa. domain name pointer v81-44.icu.ac.kr
[14400] 45.181.69.220.in-addr.arpa. domain name pointer v81-45.icu.ac.kr
[14400] 46.181.69.220.in-addr.arpa. domain name pointer v81-46.icu.ac.kr
[14400] 47.181.69.220.in-addr.arpa. domain name pointer v81-47.icu.ac.kr
[14400] 48.181.69.220.in-addr.arpa. domain name pointer v81-48.icu.ac.kr
[14400] 49.181.69.220.in-addr.arpa. domain name pointer v81-49.icu.ac.kr
[14400] 50.181.69.220.in-addr.arpa. domain name pointer v81-50.icu.ac.kr
[14400] 51.181.69.220.in-addr.arpa. domain name pointer v81-51.icu.ac.kr
[14400] 52.181.69.220.in-addr.arpa. domain name pointer v81-52.icu.ac.kr
[14400] 53.181.69.220.in-addr.arpa. domain name pointer v81-53.icu.ac.kr
[14400] 54.181.69.220.in-addr.arpa. domain name pointer v81-54.icu.ac.kr
[14400] 55.181.69.220.in-addr.arpa. domain name pointer v81-55.icu.ac.kr
[14400] 56.181.69.220.in-addr.arpa. domain name pointer v81-56.icu.ac.kr
[14400] 57.181.69.220.in-addr.arpa. domain name pointer v81-57.icu.ac.kr
[14400] 58.181.69.220.in-addr.arpa. domain name pointer v81-58.icu.ac.kr
[14400] 59.181.69.220.in-addr.arpa. domain name pointer v81-59.icu.ac.kr
[14400] 60.181.69.220.in-addr.arpa. domain name pointer v81-60.icu.ac.kr
[14400] 61.181.69.220.in-addr.arpa. domain name pointer v81-61.icu.ac.kr
[14400] 62.181.69.220.in-addr.arpa. domain name pointer v81-62.icu.ac.kr
[14400] 63.181.69.220.in-addr.arpa. domain name pointer v81-63.icu.ac.kr
[14400] 64.181.69.220.in-addr.arpa. domain name pointer v81-64.icu.ac.kr
[14400] 65.181.69.220.in-addr.arpa. domain name pointer v81-65.icu.ac.kr
[14400] 66.181.69.220.in-addr.arpa. domain name pointer v81-66.icu.ac.kr
[14400] 67.181.69.220.in-addr.arpa. domain name pointer v81-67.icu.ac.kr
[14400] 68.181.69.220.in-addr.arpa. domain name pointer v81-68.icu.ac.kr
[14400] 69.181.69.220.in-addr.arpa. domain name pointer v81-69.icu.ac.kr
[14400] 70.181.69.220.in-addr.arpa. domain name pointer v81-70.icu.ac.kr
[14400] 71.181.69.220.in-addr.arpa. domain name pointer v81-71.icu.ac.kr
[14400] 72.181.69.220.in-addr.arpa. domain name pointer v81-72.icu.ac.kr
[14400] 73.181.69.220.in-addr.arpa. domain name pointer v81-73.icu.ac.kr
[14400] 74.181.69.220.in-addr.arpa. domain name pointer v81-74.icu.ac.kr
[14400] 75.181.69.220.in-addr.arpa. domain name pointer v81-75.icu.ac.kr
[14400] 76.181.69.220.in-addr.arpa. domain name pointer v81-76.icu.ac.kr
[14400] 77.181.69.220.in-addr.arpa. domain name pointer v81-77.icu.ac.kr
[14400] 78.181.69.220.in-addr.arpa. domain name pointer v81-78.icu.ac.kr
[14400] 79.181.69.220.in-addr.arpa. domain name pointer v81-79.icu.ac.kr
[14400] 80.181.69.220.in-addr.arpa. domain name pointer v81-80.icu.ac.kr
[14400] 81.181.69.220.in-addr.arpa. domain name pointer v81-81.icu.ac.kr
[14400] 82.181.69.220.in-addr.arpa. domain name pointer v81-82.icu.ac.kr
[14400] 83.181.69.220.in-addr.arpa. domain name pointer v81-83.icu.ac.kr
[14400] 84.181.69.220.in-addr.arpa. domain name pointer v81-84.icu.ac.kr
[14400] 85.181.69.220.in-addr.arpa. domain name pointer v81-85.icu.ac.kr
[14400] 86.181.69.220.in-addr.arpa. domain name pointer v81-86.icu.ac.kr
[14400] 87.181.69.220.in-addr.arpa. domain name pointer v81-87.icu.ac.kr
[14400] 88.181.69.220.in-addr.arpa. domain name pointer v81-88.icu.ac.kr
[14400] 89.181.69.220.in-addr.arpa. domain name pointer v81-89.icu.ac.kr
[14400] 90.181.69.220.in-addr.arpa. domain name pointer v81-90.icu.ac.kr
[14400] 91.181.69.220.in-addr.arpa. domain name pointer v81-91.icu.ac.kr
[14400] 92.181.69.220.in-addr.arpa. domain name pointer v81-92.icu.ac.kr
[14400] 93.181.69.220.in-addr.arpa. domain name pointer v81-93.icu.ac.kr
[14400] 94.181.69.220.in-addr.arpa. domain name pointer v81-94.icu.ac.kr
[14400] 95.181.69.220.in-addr.arpa. domain name pointer v81-95.icu.ac.kr
[14400] 96.181.69.220.in-addr.arpa. domain name pointer v81-96.icu.ac.kr
[14400] 97.181.69.220.in-addr.arpa. domain name pointer v81-97.icu.ac.kr
[14400] 98.181.69.220.in-addr.arpa. domain name pointer v81-98.icu.ac.kr
[14400] 99.181.69.220.in-addr.arpa. domain name pointer v81-99.icu.ac.kr
[14400] 100.181.69.220.in-addr.arpa. domain name pointer v81-100.icu.ac.kr
[14400] 101.181.69.220.in-addr.arpa. domain name pointer v81-101.icu.ac.kr
[14400] 102.181.69.220.in-addr.arpa. domain name pointer v81-102.icu.ac.kr
[14400] 103.181.69.220.in-addr.arpa. domain name pointer v81-103.icu.ac.kr
[14400] 104.181.69.220.in-addr.arpa. domain name pointer v81-104.icu.ac.kr
[14400] 105.181.69.220.in-addr.arpa. domain name pointer v81-105.icu.ac.kr
[14400] 106.181.69.220.in-addr.arpa. domain name pointer v81-106.icu.ac.kr
[14400] 107.181.69.220.in-addr.arpa. domain name pointer v81-107.icu.ac.kr
[14400] 108.181.69.220.in-addr.arpa. domain name pointer v81-108.icu.ac.kr
[14400] 109.181.69.220.in-addr.arpa. domain name pointer v81-109.icu.ac.kr
[14400] 110.181.69.220.in-addr.arpa. domain name pointer v81-110.icu.ac.kr
[14400] 111.181.69.220.in-addr.arpa. domain name pointer v81-111.icu.ac.kr
[14400] 112.181.69.220.in-addr.arpa. domain name pointer v81-112.icu.ac.kr
[14400] 113.181.69.220.in-addr.arpa. domain name pointer v81-113.icu.ac.kr
[14400] 114.181.69.220.in-addr.arpa. domain name pointer v81-114.icu.ac.kr
[14400] 115.181.69.220.in-addr.arpa. domain name pointer v81-115.icu.ac.kr
[14400] 116.181.69.220.in-addr.arpa. domain name pointer v81-116.icu.ac.kr
[14400] 117.181.69.220.in-addr.arpa. domain name pointer v81-117.icu.ac.kr
[14400] 118.181.69.220.in-addr.arpa. domain name pointer v81-118.icu.ac.kr
[14400] 119.181.69.220.in-addr.arpa. domain name pointer v81-119.icu.ac.kr
[14400] 120.181.69.220.in-addr.arpa. domain name pointer v81-120.icu.ac.kr
[14400] 121.181.69.220.in-addr.arpa. domain name pointer v81-121.icu.ac.kr
[14400] 122.181.69.220.in-addr.arpa. domain name pointer v81-122.icu.ac.kr
[14400] 123.181.69.220.in-addr.arpa. domain name pointer v81-123.icu.ac.kr
[14400] 124.181.69.220.in-addr.arpa. domain name pointer v81-124.icu.ac.kr
[14400] 125.181.69.220.in-addr.arpa. domain name pointer v81-125.icu.ac.kr
[14400] 126.181.69.220.in-addr.arpa. domain name pointer v81-126.icu.ac.kr
[14400] 127.181.69.220.in-addr.arpa. domain name pointer v81-127.icu.ac.kr
[14400] 128.181.69.220.in-addr.arpa. domain name pointer v81-128.icu.ac.kr
[14400] 129.181.69.220.in-addr.arpa. domain name pointer v81-129.icu.ac.kr
[14400] 130.181.69.220.in-addr.arpa. domain name pointer v81-130.icu.ac.kr
[14400] 131.181.69.220.in-addr.arpa. domain name pointer v81-131.icu.ac.kr
[14400] 132.181.69.220.in-addr.arpa. domain name pointer v81-132.icu.ac.kr
[14400] 133.181.69.220.in-addr.arpa. domain name pointer v81-133.icu.ac.kr
[14400] 134.181.69.220.in-addr.arpa. domain name pointer v81-134.icu.ac.kr
[14400] 135.181.69.220.in-addr.arpa. domain name pointer v81-135.icu.ac.kr
[14400] 136.181.69.220.in-addr.arpa. domain name pointer v81-136.icu.ac.kr
[14400] 137.181.69.220.in-addr.arpa. domain name pointer v81-137.icu.ac.kr
[14400] 138.181.69.220.in-addr.arpa. domain name pointer v81-138.icu.ac.kr
[14400] 139.181.69.220.in-addr.arpa. domain name pointer v81-139.icu.ac.kr
[14400] 140.181.69.220.in-addr.arpa. domain name pointer v81-140.icu.ac.kr
[14400] 141.181.69.220.in-addr.arpa. domain name pointer v81-141.icu.ac.kr
[14400] 142.181.69.220.in-addr.arpa. domain name pointer v81-142.icu.ac.kr
[14400] 143.181.69.220.in-addr.arpa. domain name pointer v81-143.icu.ac.kr
[14400] 144.181.69.220.in-addr.arpa. domain name pointer v81-144.icu.ac.kr
[14400] 145.181.69.220.in-addr.arpa. domain name pointer v81-145.icu.ac.kr
[14400] 146.181.69.220.in-addr.arpa. domain name pointer v81-146.icu.ac.kr
[14400] 147.181.69.220.in-addr.arpa. domain name pointer v81-147.icu.ac.kr
[14400] 148.181.69.220.in-addr.arpa. domain name pointer v81-148.icu.ac.kr
[14400] 149.181.69.220.in-addr.arpa. domain name pointer v81-149.icu.ac.kr
[14400] 150.181.69.220.in-addr.arpa. domain name pointer v81-150.icu.ac.kr
[14400] 151.181.69.220.in-addr.arpa. domain name pointer v81-151.icu.ac.kr
[14400] 152.181.69.220.in-addr.arpa. domain name pointer v81-152.icu.ac.kr
[14400] 153.181.69.220.in-addr.arpa. domain name pointer v81-153.icu.ac.kr
[14400] 154.181.69.220.in-addr.arpa. domain name pointer v81-154.icu.ac.kr
[14400] 155.181.69.220.in-addr.arpa. domain name pointer v81-155.icu.ac.kr
[14400] 156.181.69.220.in-addr.arpa. domain name pointer v81-156.icu.ac.kr
[14400] 157.181.69.220.in-addr.arpa. domain name pointer v81-157.icu.ac.kr
[14400] 158.181.69.220.in-addr.arpa. domain name pointer v81-158.icu.ac.kr
[14400] 159.181.69.220.in-addr.arpa. domain name pointer v81-159.icu.ac.kr
[14400] 160.181.69.220.in-addr.arpa. domain name pointer v81-160.icu.ac.kr
[14400] 161.181.69.220.in-addr.arpa. domain name pointer v81-161.icu.ac.kr
[14400] 162.181.69.220.in-addr.arpa. domain name pointer v81-162.icu.ac.kr
[14400] 163.181.69.220.in-addr.arpa. domain name pointer v81-163.icu.ac.kr
[14400] 164.181.69.220.in-addr.arpa. domain name pointer v81-164.icu.ac.kr
[14400] 165.181.69.220.in-addr.arpa. domain name pointer v81-165.icu.ac.kr
[14400] 166.181.69.220.in-addr.arpa. domain name pointer v81-166.icu.ac.kr
[14400] 167.181.69.220.in-addr.arpa. domain name pointer v81-167.icu.ac.kr
[14400] 168.181.69.220.in-addr.arpa. domain name pointer v81-168.icu.ac.kr
[14400] 169.181.69.220.in-addr.arpa. domain name pointer v81-169.icu.ac.kr
[14400] 170.181.69.220.in-addr.arpa. domain name pointer v81-170.icu.ac.kr
[14400] 171.181.69.220.in-addr.arpa. domain name pointer v81-171.icu.ac.kr
[14400] 172.181.69.220.in-addr.arpa. domain name pointer v81-172.icu.ac.kr
[14400] 173.181.69.220.in-addr.arpa. domain name pointer v81-173.icu.ac.kr
[14400] 174.181.69.220.in-addr.arpa. domain name pointer v81-174.icu.ac.kr
[14400] 175.181.69.220.in-addr.arpa. domain name pointer v81-175.icu.ac.kr
[14400] 176.181.69.220.in-addr.arpa. domain name pointer v81-176.icu.ac.kr
[14400] 177.181.69.220.in-addr.arpa. domain name pointer v81-177.icu.ac.kr
[14400] 178.181.69.220.in-addr.arpa. domain name pointer v81-178.icu.ac.kr
[14400] 179.181.69.220.in-addr.arpa. domain name pointer v81-179.icu.ac.kr
[14400] 180.181.69.220.in-addr.arpa. domain name pointer v81-180.icu.ac.kr
[14400] 181.181.69.220.in-addr.arpa. domain name pointer v81-181.icu.ac.kr
[14400] 182.181.69.220.in-addr.arpa. domain name pointer v81-182.icu.ac.kr
[14400] 183.181.69.220.in-addr.arpa. domain name pointer v81-183.icu.ac.kr
[14400] 184.181.69.220.in-addr.arpa. domain name pointer v81-184.icu.ac.kr
[14400] 185.181.69.220.in-addr.arpa. domain name pointer v81-185.icu.ac.kr
[14400] 186.181.69.220.in-addr.arpa. domain name pointer v81-186.icu.ac.kr
[14400] 187.181.69.220.in-addr.arpa. domain name pointer v81-187.icu.ac.kr
[14400] 188.181.69.220.in-addr.arpa. domain name pointer v81-188.icu.ac.kr
[14400] 189.181.69.220.in-addr.arpa. domain name pointer v81-189.icu.ac.kr
[14400] 190.181.69.220.in-addr.arpa. domain name pointer v81-190.icu.ac.kr
[14400] 191.181.69.220.in-addr.arpa. domain name pointer v81-191.icu.ac.kr
[14400] 192.181.69.220.in-addr.arpa. domain name pointer v81-192.icu.ac.kr
[14400] 193.181.69.220.in-addr.arpa. domain name pointer v81-193.icu.ac.kr
[14400] 194.181.69.220.in-addr.arpa. domain name pointer v81-194.icu.ac.kr
[14400] 195.181.69.220.in-addr.arpa. domain name pointer v81-195.icu.ac.kr
[14400] 196.181.69.220.in-addr.arpa. domain name pointer v81-196.icu.ac.kr
[14400] 197.181.69.220.in-addr.arpa. domain name pointer v81-197.icu.ac.kr
[14400] 198.181.69.220.in-addr.arpa. domain name pointer v81-198.icu.ac.kr
[14400] 199.181.69.220.in-addr.arpa. domain name pointer v81-199.icu.ac.kr
[14400] 200.181.69.220.in-addr.arpa. domain name pointer v81-200.icu.ac.kr
[14400] 201.181.69.220.in-addr.arpa. domain name pointer v81-201.icu.ac.kr
[14400] 202.181.69.220.in-addr.arpa. domain name pointer v81-202.icu.ac.kr
[14400] 203.181.69.220.in-addr.arpa. domain name pointer v81-203.icu.ac.kr
[14400] 204.181.69.220.in-addr.arpa. domain name pointer v81-204.icu.ac.kr
[14400] 205.181.69.220.in-addr.arpa. domain name pointer v81-205.icu.ac.kr
[14400] 206.181.69.220.in-addr.arpa. domain name pointer v81-206.icu.ac.kr
[14400] 207.181.69.220.in-addr.arpa. domain name pointer v81-207.icu.ac.kr
[14400] 208.181.69.220.in-addr.arpa. domain name po255.181.69.220.in-addr.arpa.: domain name does not exist
[14400] 209.181.69.220.in-addr.arpa. domain name pointer v81-209.icu.ac.kr
[14400] 210.181.69.220.in-addr.arpa. domain name pointer v81-210.icu.ac.kr
[14400] 211.181.69.220.in-addr.arpa. domain name pointer v81-211.icu.ac.kr
[14400] 212.181.69.220.in-addr.arpa. domain name pointer v81-212.icu.ac.kr
[14400] 213.181.69.220.in-addr.arpa. domain name pointer v81-213.icu.ac.kr
[14400] 214.181.69.220.in-addr.arpa. domain name pointer v81-214.icu.ac.kr
[14400] 215.181.69.220.in-addr.arpa. domain name pointer v81-215.icu.ac.kr
[14400] 216.181.69.220.in-addr.arpa. domain name pointer v81-216.icu.ac.kr
[14400] 217.181.69.220.in-addr.arpa. domain name pointer v81-217.icu.ac.kr
[14400] 218.181.69.220.in-addr.arpa. domain name pointer v81-218.icu.ac.kr
[14400] 219.181.69.220.in-addr.arpa. domain name pointer v81-219.icu.ac.kr
[14400] 220.181.69.220.in-addr.arpa. domain name pointer v81-220.icu.ac.kr
[14400] 221.181.69.220.in-addr.arpa. domain name pointer v81-221.icu.ac.kr
[14400] 222.181.69.220.in-addr.arpa. domain name pointer v81-222.icu.ac.kr
[14400] 223.181.69.220.in-addr.arpa. domain name pointer v81-223.icu.ac.kr
[14400] 224.181.69.220.in-addr.arpa. domain name pointer v81-224.icu.ac.kr
[14400] 225.181.69.220.in-addr.arpa. domain name pointer v81-225.icu.ac.kr
[14400] 226.181.69.220.in-addr.arpa. domain name pointer v81-226.icu.ac.kr
[14400] 227.181.69.220.in-addr.arpa. domain name pointer v81-227.icu.ac.kr
[14400] 228.181.69.220.in-addr.arpa. domain name pointer v81-228.icu.ac.kr
[14400] 229.181.69.220.in-addr.arpa. domain name pointer v81-229.icu.ac.kr
[14400] 230.181.69.220.in-addr.arpa. domain name pointer v81-230.icu.ac.kr
[14400] 231.181.69.220.in-addr.arpa. domain name pointer v81-231.icu.ac.kr
[14400] 232.181.69.220.in-addr.arpa. domain name pointer v81-232.icu.ac.kr
[14400] 233.181.69.220.in-addr.arpa. domain name pointer v81-233.icu.ac.kr
[14400] 234.181.69.220.in-addr.arpa. domain name pointer v81-234.icu.ac.kr
[14400] 235.181.69.220.in-addr.arpa. domain name pointer v81-235.icu.ac.kr
[14400] 236.181.69.220.in-addr.arpa. domain name pointer v81-236.icu.ac.kr
[14400] 237.181.69.220.in-addr.arpa. domain name pointer v81-237.icu.ac.kr
[14400] 238.181.69.220.in-addr.arpa. domain name pointer v81-238.icu.ac.kr
[14400] 239.181.69.220.in-addr.arpa. domain name pointer v81-239.icu.ac.kr
[14400] 240.181.69.220.in-addr.arpa. domain name pointer v81-240.icu.ac.kr
[14400] 241.181.69.220.in-addr.arpa. domain name pointer v81-241.icu.ac.kr
[14400] 242.181.69.220.in-addr.arpa. domain name pointer v81-242.icu.ac.kr
[14400] 243.181.69.220.in-addr.arpa. domain name pointer v81-243.icu.ac.kr
[14400] 244.181.69.220.in-addr.arpa. domain name pointer v81-244.icu.ac.kr
[14400] 245.181.69.220.in-addr.arpa. domain name pointer v81-245.icu.ac.kr
[14400] 246.181.69.220.in-addr.arpa. domain name pointer v81-246.icu.ac.kr
[14400] 247.181.69.220.in-addr.arpa. domain name pointer v81-247.icu.ac.kr
[14400] 248.181.69.220.in-addr.arpa. domain name pointer v81-248.icu.ac.kr
[14400] 249.181.69.220.in-addr.arpa. domain name pointer v81-249.icu.ac.kr
[14400] 250.181.69.220.in-addr.arpa. domain name pointer v81-250.icu.ac.kr
[14400] 251.181.69.220.in-addr.arpa. domain name pointer v81-251.icu.ac.kr
[14400] 252.181.69.220.in-addr.arpa. domain name pointer v81-252.icu.ac.kr
[14400] 253.181.69.220.in-addr.arpa. domain name pointer v81-253.icu.ac.kr
[14400] 254.181.69.220.in-addr.arpa. domain name pointer v81-254.icu.ac.kr
[0] 255.181.69.220.in-addr.arpa not found: 3(NXDOMAIN)