[0] 0.184.69.220.in-addr.arpa not found: 3(NXDOMAIN) [14400] 1.184.69.220.in-addr.arpa. domain name pointer v84-1.icu.ac.kr [14400] 2.184.69.220.in-addr.arpa. domain name pointer v84-2.icu.ac.kr [14400] 3.184.69.220.in-addr.arpa. domain name pointer v84-3.icu.ac.kr [14400] 4.184.69.220.in-addr.arpa. domain name pointer v84-4.icu.ac.kr [14400] 5.184.69.220.in-addr.arpa. domain name pointer v84-5.icu.ac.kr [14400] 6.184.69.220.in-addr.arpa. domain name pointer v84-6.icu.ac.kr [14400] 7.184.69.220.in-addr.arpa. domain name pointer v84-7.icu.ac.kr [14400] 8.184.69.220.in-addr.arpa. domain name pointer v84-8.icu.ac.kr [14400] 9.184.69.220.in-addr.arpa. domain name pointer v84-9.icu.ac.kr [14400] 10.184.69.220.in-addr.arpa. domain name pointer v84-10.icu.ac.kr [14400] 11.184.69.220.in-addr.arpa. domain name pointer v84-11.icu.ac.kr [14400] 12.184.69.220.in-addr.arpa. domain name pointer v84-12.icu.ac.kr [14400] 13.184.69.220.in-addr.arpa. domain name pointer v84-13.icu.ac.kr [14400] 14.184.69.220.in-addr.arpa. domain name pointer v84-14.icu.ac.kr [14400] 15.184.69.220.in-addr.arpa. domain name pointer v84-15.icu.ac.kr [14400] 16.184.69.220.in-addr.arpa. domain name pointer v84-16.icu.ac.kr [14400] 17.184.69.220.in-addr.arpa. domain name pointer v84-17.icu.ac.kr [14400] 18.184.69.220.in-addr.arpa. domain name pointer v84-18.icu.ac.kr [14400] 19.184.69.220.in-addr.arpa. domain name pointer v84-19.icu.ac.kr [14400] 20.184.69.220.in-addr.arpa. domain name pointer v84-20.icu.ac.kr [14400] 21.184.69.220.in-addr.arpa. domain name pointer art.icu.ac.kr [14400] 22.184.69.220.in-addr.arpa. domain name pointer art-sim.icu.ac.kr [14400] 23.184.69.220.in-addr.arpa. domain name pointer art-prn.icu.ac.kr [14400] 24.184.69.220.in-addr.arpa. domain name pointer watt.icu.ac.kr [14400] 25.184.69.220.in-addr.arpa. domain name pointer watt-prn.icu.ac.kr [14400] 26.184.69.220.in-addr.arpa. domain name pointer ma.icu.ac.kr [14400] 27.184.69.220.in-addr.arpa. domain name pointer antenna.icu.ac.kr [14400] 28.184.69.220.in-addr.arpa. domain name pointer printer-cddl.icu.ac.kr [14400] 29.184.69.220.in-addr.arpa. domain name pointer maxwell.icu.ac.kr [14400] 30.184.69.220.in-addr.arpa. domain name pointer v84-30.icu.ac.kr [14400] 31.184.69.220.in-addr.arpa. domain name pointer rfme.icu.ac.kr [14400] 32.184.69.220.in-addr.arpa. domain name pointer rfmelab.icu.ac.kr [14400] 33.184.69.220.in-addr.arpa. domain name pointer rfme-prn.icu.ac.kr [14400] 34.184.69.220.in-addr.arpa. domain name pointer rfme-prn2.icu.ac.kr [14400] 35.184.69.220.in-addr.arpa. domain name pointer rfme-prn3.icu.ac.kr [14400] 36.184.69.220.in-addr.arpa. domain name pointer rfme-prn4.icu.ac.kr [14400] 37.184.69.220.in-addr.arpa. domain name pointer rfme-prn5.icu.ac.kr [14400] 38.184.69.220.in-addr.arpa. domain name pointer rclab.icu.ac.kr [14400] 39.184.69.220.in-addr.arpa. domain name pointer rclab-prn.icu.ac.kr [14400] 40.184.69.220.in-addr.arpa. domain name pointer rclab1.icu.ac.kr [14400] 41.184.69.220.in-addr.arpa. domain name pointer wireless.icu.ac.kr [14400] 42.184.69.220.in-addr.arpa. domain name pointer wits-prn.icu.ac.kr [14400] 43.184.69.220.in-addr.arpa. domain name pointer wits-prn2.icu.ac.kr [14400] 44.184.69.220.in-addr.arpa. domain name pointer ee002.icu.ac.kr [14400] 45.184.69.220.in-addr.arpa. domain name pointer gtc.icu.ac.kr [14400] 46.184.69.220.in-addr.arpa. domain name pointer rerc.icu.ac.kr [14400] 47.184.69.220.in-addr.arpa. domain name pointer rerc-prn.icu.ac.kr [14400] 48.184.69.220.in-addr.arpa. domain name pointer cslab-2.icu.ac.kr [14400] 49.184.69.220.in-addr.arpa. domain name pointer zeus.icu.ac.kr [14400] 50.184.69.220.in-addr.arpa. domain name pointer lit4.icu.ac.kr [14400] 51.184.69.220.in-addr.arpa. domain name pointer lit1.icu.ac.kr [14400] 52.184.69.220.in-addr.arpa. domain name pointer lit2.icu.ac.kr [14400] 53.184.69.220.in-addr.arpa. domain name pointer lit3.icu.ac.kr [14400] 54.184.69.220.in-addr.arpa. domain name pointer rosewine.icu.ac.kr [14400] 55.184.69.220.in-addr.arpa. domain name pointer sweetwine.icu.ac.kr [14400] 56.184.69.220.in-addr.arpa. domain name pointer v84-56.icu.ac.kr [14400] 57.184.69.220.in-addr.arpa. domain name pointer anh.icu.ac.kr [14400] 58.184.69.220.in-addr.arpa. domain name pointer ngoclong.icu.ac.kr [14400] 59.184.69.220.in-addr.arpa. domain name pointer quoc-hoang.icu.ac.kr [14400] 60.184.69.220.in-addr.arpa. domain name pointer hoangle.icu.ac.kr [14400] 61.184.69.220.in-addr.arpa. domain name pointer ntkien.icu.ac.kr [14400] 62.184.69.220.in-addr.arpa. domain name pointer v84-62.icu.ac.kr [14400] 63.184.69.220.in-addr.arpa. domain name pointer kkamo.icu.ac.kr [14400] 64.184.69.220.in-addr.arpa. domain name pointer wine.icu.ac.kr [14400] 65.184.69.220.in-addr.arpa. domain name pointer cabernet.icu.ac.kr [14400] 66.184.69.220.in-addr.arpa. domain name pointer redwine.icu.ac.kr [14400] 67.184.69.220.in-addr.arpa. domain name pointer whitewine.icu.ac.kr [14400] 68.184.69.220.in-addr.arpa. domain name pointer bluewine.icu.ac.kr [14400] 69.184.69.220.in-addr.arpa. domain name pointer it.icu.ac.kr [14400] 70.184.69.220.in-addr.arpa. domain name pointer v84-70.icu.ac.kr [14400] 71.184.69.220.in-addr.arpa. domain name pointer v84-71.icu.ac.kr [14400] 72.184.69.220.in-addr.arpa. domain name pointer v84-72.icu.ac.kr [14400] 73.184.69.220.in-addr.arpa. domain name pointer v84-73.icu.ac.kr [14400] 74.184.69.220.in-addr.arpa. domain name pointer v84-74.icu.ac.kr [14400] 75.184.69.220.in-addr.arpa. domain name pointer v84-75.icu.ac.kr [14400] 76.184.69.220.in-addr.arpa. domain name pointer v84-76.icu.ac.kr [14400] 77.184.69.220.in-addr.arpa. domain name pointer v84-77.icu.ac.kr [14400] 78.184.69.220.in-addr.arpa. domain name pointer v84-78.icu.ac.kr [14400] 79.184.69.220.in-addr.arpa. domain name pointer v84-79.icu.ac.kr [14400] 80.184.69.220.in-addr.arpa. domain name pointer v84-80.icu.ac.kr [14400] 81.184.69.220.in-addr.arpa. domain name pointer v84-81.icu.ac.kr [14400] 82.184.69.220.in-addr.arpa. domain name pointer v84-82.icu.ac.kr [14400] 83.184.69.220.in-addr.arpa. domain name pointer v84-83.icu.ac.kr [14400] 84.184.69.220.in-addr.arpa. domain name pointer v84-84.icu.ac.kr [14400] 85.184.69.220.in-addr.arpa. domain name pointer v84-85.icu.ac.kr [14400] 86.184.69.220.in-addr.arpa. domain name pointer v84-86.icu.ac.kr [14400] 87.184.69.220.in-addr.arpa. domain name pointer v84-87.icu.ac.kr [14400] 88.184.69.220.in-addr.arpa. domain name pointer v84-88.icu.ac.kr [14400] 89.184.69.220.in-addr.arpa. domain name pointer v84-89.icu.ac.kr [14400] 90.184.69.220.in-addr.arpa. domain name pointer v84-90.icu.ac.kr [14400] 91.184.69.220.in-addr.arpa. domain name pointer v84-91.icu.ac.kr [14400] 92.184.69.220.in-addr.arpa. domain name pointer v84-92.icu.ac.kr [14400] 93.184.69.220.in-addr.arpa. domain name pointer v84-93.icu.ac.kr [14400] 94.184.69.220.in-addr.arpa. domain name pointer v84-94.icu.ac.kr [14400] 95.184.69.220.in-addr.arpa. domain name pointer v84-95.icu.ac.kr [14400] 96.184.69.220.in-addr.arpa. domain name pointer v84-96.icu.ac.kr [14400] 97.184.69.220.in-addr.arpa. domain name pointer v84-97.icu.ac.kr [14400] 98.184.69.220.in-addr.arpa. domain name pointer v84-98.icu.ac.kr [14400] 99.184.69.220.in-addr.arpa. domain name pointer v84-99.icu.ac.kr [14400] 100.184.69.220.in-addr.arpa. domain name pointer v84-100.icu.ac.kr [14400] 101.184.69.220.in-addr.arpa. domain name pointer v84-101.icu.ac.kr [14400] 102.184.69.220.in-addr.arpa. domain name pointer v84-102.icu.ac.kr [14400] 103.184.69.220.in-addr.arpa. domain name pointer v84-103.icu.ac.kr [14400] 104.184.69.220.in-addr.arpa. domain name pointer v84-104.icu.ac.kr [14400] 105.184.69.220.in-addr.arpa. domain name pointer v84-105.icu.ac.kr [14400] 106.184.69.220.in-addr.arpa. domain name pointer v84-106.icu.ac.kr [14400] 107.184.69.220.in-addr.arpa. domain name pointer v84-107.icu.ac.kr [14400] 108.184.69.220.in-addr.arpa. domain name pointer v84-108.icu.ac.kr [14400] 109.184.69.220.in-addr.arpa. domain name pointer v84-109.icu.ac.kr [14400] 110.184.69.220.in-addr.arpa. domain name pointer v84-110.icu.ac.kr [14400] 111.184.69.220.in-addr.arpa. domain name pointer v84-111.icu.ac.kr [14400] 112.184.69.220.in-addr.arpa. domain name pointer v84-112.icu.ac.kr [14400] 113.184.69.220.in-addr.arpa. domain name pointer v84-113.icu.ac.kr [14400] 114.184.69.220.in-addr.arpa. domain name pointer v84-114.icu.ac.kr [14400] 115.184.69.220.in-addr.arpa. domain name pointer v84-115.icu.ac.kr [14400] 116.184.69.220.in-addr.arpa. domain name pointer v84-116.icu.ac.kr [14400] 117.184.69.220.in-addr.arpa. domain name pointer v84-117.icu.ac.kr [14400] 118.184.69.220.in-addr.arpa. domain name pointer v84-118.icu.ac.kr [14400] 119.184.69.220.in-addr.arpa. domain name pointer v84-119.icu.ac.kr [14400] 120.184.69.220.in-addr.arpa. domain name pointer v84-120.icu.ac.kr [14400] 121.184.69.220.in-addr.arpa. domain name pointer v84-121.icu.ac.kr [14400] 122.184.69.220.in-addr.arpa. domain name pointer v84-122.icu.ac.kr [14400] 123.184.69.220.in-addr.arpa. domain name pointer v84-123.icu.ac.kr [14400] 124.184.69.220.in-addr.arpa. domain name pointer v84-124.icu.ac.kr [14400] 125.184.69.220.in-addr.arpa. domain name pointer v84-125.icu.ac.kr [14400] 126.184.69.220.in-addr.arpa. domain name pointer v84-126.icu.ac.kr [14400] 127.184.69.220.in-addr.arpa. domain name pointer v84-127.icu.ac.kr [14400] 128.184.69.220.in-addr.arpa. domain name pointer v84-128.icu.ac.kr [14400] 129.184.69.220.in-addr.arpa. domain name pointer v84-129.icu.ac.kr [14400] 130.184.69.220.in-addr.arpa. domain name pointer v84-130.icu.ac.kr [14400] 131.184.69.220.in-addr.arpa. domain name pointer v84-131.icu.ac.kr [14400] 132.184.69.220.in-addr.arpa. domain name pointer v84-132.icu.ac.kr [14400] 133.184.69.220.in-addr.arpa. domain name pointer v84-133.icu.ac.kr [14400] 134.184.69.220.in-addr.arpa. domain name pointer v84-134.icu.ac.kr [14400] 135.184.69.220.in-addr.arpa. domain name pointer v84-135.icu.ac.kr [14400] 136.184.69.220.in-addr.arpa. domain name pointer v84-136.icu.ac.kr [14400] 137.184.69.220.in-addr.arpa. domain name pointer v84-137.icu.ac.kr [14400] 138.184.69.220.in-addr.arpa. domain name pointer v84-138.icu.ac.kr [14400] 139.184.69.220.in-addr.arpa. domain name pointer v84-139.icu.ac.kr [14400] 140.184.69.220.in-addr.arpa. domain name pointer v84-140.icu.ac.kr [14400] 141.184.69.220.in-addr.arpa. domain name pointer v84-141.icu.ac.kr [14400] 142.184.69.220.in-addr.arpa. domain name pointer v84-142.icu.ac.kr [14400] 143.184.69.220.in-addr.arpa. domain name pointer v84-143.icu.ac.kr [14400] 144.184.69.220.in-addr.arpa. domain name pointer v84-144.icu.ac.kr [14400] 145.184.69.220.in-addr.arpa. domain name pointer v84-145.icu.ac.kr [14400] 146.184.69.220.in-addr.arpa. domain name pointer v84-146.icu.ac.kr [14400] 147.184.69.220.in-addr.arpa. domain name pointer v84-147.icu.ac.kr [14400] 148.184.69.220.in-addr.arpa. domain name pointer v84-148.icu.ac.kr [14400] 149.184.69.220.in-addr.arpa. domain name pointer v84-149.icu.ac.kr [14400] 150.184.69.220.in-addr.arpa. domain name pointer v84-150.icu.ac.kr [14400] 151.184.69.220.in-addr.arpa. domain name pointer v84-151.icu.ac.kr [14400] 152.184.69.220.in-addr.arpa. domain name pointer v84-152.icu.ac.kr [14400] 153.184.69.220.in-addr.arpa. domain name pointer v84-153.icu.ac.kr [14400] 154.184.69.220.in-addr.arpa. domain name pointer v84-154.icu.ac.kr [14400] 155.184.69.220.in-addr.arpa. domain name pointer v84-155.icu.ac.kr [14400] 156.184.69.220.in-addr.arpa. domain name pointer v84-156.icu.ac.kr [14400] 157.184.69.220.in-addr.arpa. domain name pointer v84-157.icu.ac.kr [14400] 158.184.69.220.in-addr.arpa. domain name pointer v84-158.icu.ac.kr [14400] 159.184.69.220.in-addr.arpa. domain name pointer v84-159.icu.ac.kr [14400] 160.184.69.220.in-addr.arpa. domain name pointer v84-160.icu.ac.kr [14400] 161.184.69.220.in-addr.arpa. domain name pointer v84-161.icu.ac.kr [14400] 162.184.69.220.in-addr.arpa. domain name pointer v84-162.icu.ac.kr [14400] 163.184.69.220.in-addr.arpa. domain name pointer v84-163.icu.ac.kr [14400] 164.184.69.220.in-addr.arpa. domain name pointer v84-164.icu.ac.kr [14400] 165.184.69.220.in-addr.arpa. domain name pointer v84-165.icu.ac.kr [14400] 166.184.69.220.in-addr.arpa. domain name pointer v84-166.icu.ac.kr [14400] 167.184.69.220.in-addr.arpa. domain name pointer v84-167.icu.ac.kr [14400] 168.184.69.220.in-addr.arpa. domain name pointer v84-168.icu.ac.kr [14400] 169.184.69.220.in-addr.arpa. domain name pointer v84-169.icu.ac.kr [14400] 170.184.69.220.in-addr.arpa. domain name pointer v84-170.icu.ac.kr [14400] 171.184.69.220.in-addr.arpa. domain name pointer v84-171.icu.ac.kr [14400] 172.184.69.220.in-addr.arpa. domain name pointer v84-172.icu.ac.kr [14400] 173.184.69.220.in-addr.arpa. domain name pointer v84-173.icu.ac.kr [14400] 174.184.69.220.in-addr.arpa. domain name pointer v84-174.icu.ac.kr [14400] 175.184.69.220.in-addr.arpa. domain name pointer v84-175.icu.ac.kr [14400] 176.184.69.220.in-addr.arpa. domain name pointer v84-176.icu.ac.kr [14400] 177.184.69.220.in-addr.arpa. domain name pointer v84-177.icu.ac.kr [14400] 178.184.69.220.in-addr.arpa. domain name pointer v84-178.icu.ac.kr [14400] 179.184.69.220.in-addr.arpa. domain name pointer v84-179.icu.ac.kr [14400] 180.184.69.220.in-addr.arpa. domain name pointer v84-180.icu.ac.kr [14400] 181.184.69.220.in-addr.arpa. domain name pointer v84-181.icu.ac.kr [14400] 182.184.69.220.in-addr.arpa. domain name pointer v84-182.icu.ac.kr [14400] 183.184.69.220.in-addr.arpa. domain name pointer v84-183.icu.ac.kr [14400] 184.184.69.220.in-addr.arpa. domain name pointer v84-184.icu.ac.kr [14400] 185.184.69.220.in-addr.arpa. domain name pointer v84-185.icu.ac.kr [14400] 186.184.69.220.in-addr.arpa. domain name pointer v84-186.icu.ac.kr [14400] 187.184.69.220.in-addr.arpa. domain name pointer v84-187.icu.ac.kr [14400] 188.184.69.220.in-addr.arpa. domain name pointer v84-188.icu.ac.kr [14400] 189.184.69.220.in-addr.arpa. domain name pointer v84-189.icu.ac.kr [14400] 190.184.69.220.in-addr.arpa. domain name pointer v84-190.icu.ac.kr [14400] 191.184.69.220.in-addr.arpa. domain name pointer v84-191.icu.ac.kr [14400] 192.184.69.220.in-addr.arpa. domain name pointer v84-192.icu.ac.kr [14400] 193.184.69.220.in-addr.arpa. domain name pointer v84-193.icu.ac.kr [14400] 194.184.69.220.in-addr.arpa. domain name pointer v84-194.icu.ac.kr [14400] 195.184.69.220.in-addr.arpa. domain name pointer v84-195.icu.ac.kr [14400] 196.184.69.220.in-addr.arpa. domain name pointer v84-196.icu.ac.kr [14400] 197.184.69.220.in-addr.arpa. domain name pointer v84-197.icu.ac.kr [14400] 198.184.69.220.in-addr.arpa. domain name pointer v84-198.icu.ac.kr [14400] 199.184.69.220.in-addr.arpa. domain name pointer v84-199.icu.ac.kr [14400] 200.184.69.220.in-addr.arpa. domain name pointer v84-200.icu.ac.kr [14400] 201.184.69.220.in-addr.arpa. domain name pointer v84-201.icu.ac.kr [14400] 202.184.69.220.in-addr.arpa. domain name pointer v84-202.icu.ac.kr [14400] 203.184.69.220.in-addr.arpa. domain name pointer v84-203.icu.ac.kr [14400] 204.184.69.220.in-addr.arpa. domain name pointer v84-204.icu.ac.kr [14400] 205.184.69.220.in-addr.arpa. domain name pointer v84-205.icu.ac.kr [0] 206.184.69.220.in-addr.arpa not found: 3(NXDOMAIN) [14400] 207.184.69.220.in-addr.arpa. domain name pointer v84-207.icu.ac.kr [14400] 208.184.69.220.in-addr.arpa. domain name pointer v84-208.icu.ac.kr [14400] 209.184.69.220.in-addr.arpa. domain name pointer v84-209.icu.ac.kr [14400] 210.184.69.220.in-addr.arpa. domain name pointer v84-210.icu.ac.kr [14400] 211.184.69.220.in-addr.arpa. domain name pointer v84-211.icu.ac.kr [14400] 212.184.69.220.in-addr.arpa. domain name pointer v84-212.icu.ac.kr [14400] 213.184.69.220.in-addr.arpa. domain name pointer v84-213.icu.ac.kr [14400] 214.184.69.220.in-addr.arpa. domain name pointer v84-214.icu.ac.kr [14400] 215.184.69.220.in-addr.arpa. domain name pointer v84-215.icu.ac.kr [14400] 216.184.69.220.in-addr.arpa. domain name pointer v84-216.icu.ac.kr [14400] 217.184.69.220.in-addr.arpa. domain name pointer v84-217.icu.ac.kr [14400] 218.184.69.220.in-addr.arpa. domain name pointer v84-218.icu.ac.kr [14400] 219.184.69.220.in-addr.arpa. domain name pointer v84-219.icu.ac.kr [14400] 220.184.69.220.in-addr.arpa. domain name pointer v84-220.icu.ac.kr [14400] 221.184.69.220.in-addr.arpa. domain name pointer v84-221.icu.ac.kr [14400] 222.184.69.220.in-addr.arpa. domain name pointer v84-222.icu.ac.kr [14400] 223.184.69.220.in-addr.arpa. domain name pointer v84-223.icu.ac.kr [14400] 224.184.69.220.in-addr.arpa. domain name pointer v84-224.icu.ac.kr [14400] 225.184.69.220.in-addr.arpa. domain name pointer v84-225.icu.ac.kr [14400] 226.184.69.220.in-addr.arpa. domain name pointer v84-226.icu.ac.kr [14400] 227.184.69.220.in-addr.arpa. domain name pointer v84-227.icu.ac.kr [14400] 228.184.69.220.in-addr.arpa. domain name pointer v84-228.icu.ac.kr [14400] 229.184.69.220.in-addr.arpa. domain name pointer v84-229.icu.ac.kr [14400] 230.184.69.220.in-addr.arpa. domain name pointer v84-230.icu.ac.kr [14400] 231.184.69.220.in-addr.arpa. domain name pointer v84-231.icu.ac.kr [14400] 232.184.69.220.in-addr.arpa. domain name pointer v84-232.icu.ac.kr [14400] 233.184.69.220.in-addr.arpa. domain name pointer v84-233.icu.ac.kr [14400] 234.184.69.220.in-addr.arpa. domain name pointer v84-234.icu.ac.kr [14400] 235.184.69.220.in-addr.arpa. domain name pointer v84-235.icu.ac.kr [14400] 236.184.69.220.in-addr.arpa. domain name pointer v84-236.icu.ac.kr [14400] 237.184.69.220.in-addr.arpa. domain name pointer v84-237.icu.ac.kr [14400] 238.184.69.220.in-addr.arpa. domain name pointer v84-238.icu.ac.kr [14400] 239.184.69.220.in-addr.arpa. domain name pointer v84-239.icu.ac.kr [14400] 240.184.69.220.in-addr.arpa. domain name pointer v84-240.icu.ac.kr [14400] 241.184.69.220.in-addr.arpa. domain name pointer v84-241.icu.ac.kr [14400] 242.184.69.220.in-addr.arpa. domain name pointer v84-242.icu.ac.kr [14400] 243.184.69.220.in-addr.arpa. domain name pointer v84-243.icu.ac.kr [14400] 244.184.69.220.in-addr.arpa. domain name pointer v84-244.icu.ac.kr [14400] 245.184.69.220.in-addr.arpa. domain name pointer v84-245.icu.ac.kr [14400] 246.184.69.220.in-addr.arpa. domain name pointer v84-246.icu.ac.kr [14400] 247.184.69.220.in-addr.arpa. domain name pointer v84-247.icu.ac.kr [14400] 248.184.69.220.in-addr.arpa. domain name pointer v84-248.icu.ac.kr [14400] 249.184.69.220.in-addr.arpa. domain name pointer v84-249.icu.ac.kr [14400] 250.184.69.220.in-addr.arpa. domain name pointer v84-250.icu.ac.kr [14400] 251.184.69.220.in-addr.arpa. domain name pointer v84-251.icu.ac.kr [14400] 252.184.69.220.in-addr.arpa. domain name pointer v84-252.icu.ac.kr [14400] 253.184.69.220.in-addr.arpa. domain name pointer v84-253.icu.ac.kr [14400] 254.184.69.220.in-addr.arpa. domain name pointer v84-254.icu.ac.kr [0] 255.184.69.220.in-addr.arpa not found: 3(NXDOMAIN)