[0] 0.212.25.200.in-addr.arpa.: domain name does not exist
[86400] 1.212.25.200.in-addr.arpa. domain name pointer customer-212-1.porta.net
[86400] 2.212.25.200.in-addr.arpa. domain name pointer mail.eldoradotorredenegocios.com.ec
[86400] 3.212.25.200.in-addr.arpa. domain name pointer customer-212-3.porta.net
[86400] 4.212.25.200.in-addr.arpa. domain name pointer customer-212-4-porta.net
[86400] 5.212.25.200.in-addr.arpa. domain name pointer customer-212-5.porta.net
[86400] 6.212.25.200.in-addr.arpa. domain name pointer customer-212-6.porta.net
[86400] 7.212.25.200.in-addr.arpa. domain name pointer customer-212-7.porta.net
[86400] 8.212.25.200.in-addr.arpa. domain name pointer customer-212-8.porta.net
[86400] 9.212.25.200.in-addr.arpa. domain name pointer customer-212-9.porta.net
[86400] 10.212.25.200.in-addr.arpa. domain name pointer customer-212-10.porta.net
[86400] 11.212.25.200.in-addr.arpa. domain name pointer customer-212-11.porta.net
[86400] 12.212.25.200.in-addr.arpa. domain name pointer mail.vasquez.ec
[86400] 13.212.25.200.in-addr.arpa. domain name pointer customer-212-13.porta.net
[86400] 14.212.25.200.in-addr.arpa. domain name pointer customer-212-14.porta.net
[86400] 15.212.25.200.in-addr.arpa. domain name pointer customer-212-15.porta.net
[86400] 16.212.25.200.in-addr.arpa. domain name pointer customer-212-16.porta.net
[86400] 17.212.25.200.in-addr.arpa. domain name pointer customer-212-17.porta.net
[86400] 18.212.25.200.in-addr.arpa. domain name pointer customer-212-18.porta.net
[86400] 19.212.25.200.in-addr.arpa. domain name pointer customer-212-19.porta.net
[86400] 20.212.25.200.in-addr.arpa. domain name pointer customer-212-20.porta.net
[86400] 21.212.25.200.in-addr.arpa. domain name pointer customer-212-21.porta.net
[86400] 22.212.25.200.in-addr.arpa. domain name pointer customer-212-22.porta.net
[86400] 23.212.25.200.in-addr.arpa. domain name pointer customer-212-23.porta.net
[86400] 24.212.25.200.in-addr.arpa. domain name pointer customer-212-24.porta.net
[86400] 25.212.25.200.in-addr.arpa. domain name pointer customer-212-25.porta.net
[86400] 26.212.25.200.in-addr.arpa. domain name pointer customer-212-26.porta.net
[86400] 27.212.25.200.in-addr.arpa. domain name pointer customer-212-27.porta.net
[86400] 28.212.25.200.in-addr.arpa. domain name pointer customer-212-28.porta.net
[86400] 29.212.25.200.in-addr.arpa. domain name pointer customer-212-29.porta.net
[86400] 30.212.25.200.in-addr.arpa. domain name pointer customer-212-30.porta.net
[86400] 31.212.25.200.in-addr.arpa. domain name pointer customer-212-31.porta.net
[86400] 32.212.25.200.in-addr.arpa. domain name pointer customer-212-32.porta.net
[86400] 33.212.25.200.in-addr.arpa. domain name pointer customer-212-33.porta.net
[86400] 34.212.25.200.in-addr.arpa. domain name pointer customer-212-34.porta.net
[86400] 35.212.25.200.in-addr.arpa. domain name pointer customer-212-35.porta.net
[86400] 36.212.25.200.in-addr.arpa. domain name pointer customer-212-36.porta.net
[86400] 37.212.25.200.in-addr.arpa. domain name pointer customer-212-37.porta.net
[86400] 38.212.25.200.in-addr.arpa. domain name pointer customer-212-38.porta.net
[86400] 39.212.25.200.in-addr.arpa. domain name pointer customer-212-39.porta.net
[86400] 40.212.25.200.in-addr.arpa. domain name pointer customer-212-40.porta.net
[86400] 41.212.25.200.in-addr.arpa. domain name pointer customer-212-41.porta.net
[86400] 42.212.25.200.in-addr.arpa. domain name pointer customer-212-42.porta.net
[86400] 43.212.25.200.in-addr.arpa. domain name pointer customer-212-43.porta.net
[86400] 44.212.25.200.in-addr.arpa. domain name pointer mail.cgpaute.gov.ec
[86400] 45.212.25.200.in-addr.arpa. domain name pointer mapas.cgpaute.gov.ec
[86400] 46.212.25.200.in-addr.arpa. domain name pointer customer-212-46.porta.net
[86400] 47.212.25.200.in-addr.arpa. domain name pointer customer-212-47.porta.net
[86400] 48.212.25.200.in-addr.arpa. domain name pointer customer-212-48.porta.net
[86400] 49.212.25.200.in-addr.arpa. domain name pointer customer-212-49.porta.net
[86400] 50.212.25.200.in-addr.arpa. domain name pointer mail.unidadborja.edu.ec
[86400] 51.212.25.200.in-addr.arpa. domain name pointer customer-212-51.porta.net
[86400] 52.212.25.200.in-addr.arpa. domain name pointer customer-212-52.porta.net
[86400] 53.212.25.200.in-addr.arpa. domain name pointer customer-212-53.porta.net
[86400] 54.212.25.200.in-addr.arpa. domain name pointer customer-212-54.porta.net
[86400] 55.212.25.200.in-addr.arpa. domain name pointer customer-212-55.porta.net
[86400] 56.212.25.200.in-addr.arpa. domain name pointer customer-212-56.porta.net
[86400] 57.212.25.200.in-addr.arpa. domain name pointer customer-212-57.porta.net
[86400] 58.212.25.200.in-addr.arpa. domain name pointer customer-212-58.porta.net
[86400] 59.212.25.200.in-addr.arpa. domain name pointer customer-212-58.porta.net
[86400] 60.212.25.200.in-addr.arpa. domain name pointer mail.casc.edu.ec
[86400] 61.212.25.200.in-addr.arpa. domain name pointer customer-212-61.porta.net
[86400] 62.212.25.200.in-addr.arpa. domain name pointer customer-212-62.porta.net
[86400] 63.212.25.200.in-addr.arpa. domain name pointer customer-212-63.porta.net
[86400] 64.212.25.200.in-addr.arpa. domain name pointer customer-212-64.porta.net
[86400] 65.212.25.200.in-addr.arpa. domain name pointer customer-212-65.porta.net
[86400] 66.212.25.200.in-addr.arpa. domain name pointer customer-212-66.porta.net
[86400] 67.212.25.200.in-addr.arpa. domain name pointer customer-212-67.porta.net
[86400] 68.212.25.200.in-addr.arpa. domain name pointer customer-212-68.porta.net
[86400] 69.212.25.200.in-addr.arpa. domain name pointer customer-212-69.porta.net
[86400] 70.212.25.200.in-addr.arpa. domain name pointer customer-212-70.porta.net
[86400] 71.212.25.200.in-addr.arpa. domain name pointer customer-212-71.porta.net
[86400] 72.212.25.200.in-addr.arpa. domain name pointer customer-212-72.porta.net
[86400] 73.212.25.200.in-addr.arpa. domain name pointer customer-212-73.porta.net
[86400] 74.212.25.200.in-addr.arpa. domain name pointer customer-212-74.porta.net
[86400] 75.212.25.200.in-addr.arpa. domain name pointer customer-212-75.porta.net
[86400] 76.212.25.200.in-addr.arpa. domain name pointer customer-212-76.porta.net
[86400] 77.212.25.200.in-addr.arpa. domain name pointer customer-212-77.porta.net
[86400] 78.212.25.200.in-addr.arpa. domain name pointer customer-212-78.porta.net
[86400] 79.212.25.200.in-addr.arpa. domain name pointer customer-212-79.porta.net
[86400] 80.212.25.200.in-addr.arpa. domain name pointer customer-212-80.porta.net
[86400] 81.212.25.200.in-addr.arpa. domain name pointer customer-212-81.porta.net
[86400] 82.212.25.200.in-addr.arpa. domain name pointer mail.laeuropea.com.ec
[86400] 83.212.25.200.in-addr.arpa. domain name pointer customer-212-83.porta.net
[86400] 84.212.25.200.in-addr.arpa. domain name pointer customer-212-84.porta.net
[86400] 85.212.25.200.in-addr.arpa. domain name pointer customer-212-85.porta.net
[86400] 86.212.25.200.in-addr.arpa. domain name pointer customer-212-86.porta.net
[86400] 87.212.25.200.in-addr.arpa. domain name pointer customer-212-87.porta.net
[86400] 88.212.25.200.in-addr.arpa. domain name pointer customer-212-88.porta.net
[86400] 89.212.25.200.in-addr.arpa. domain name pointer customer-212-89.porta.net
[86400] 90.212.25.200.in-addr.arpa. domain name pointer customer-212-90.porta.net
[86400] 91.212.25.200.in-addr.arpa. domain name pointer customer-212-91.porta.net
[86400] 92.212.25.200.in-addr.arpa. domain name pointer customer-212-92.porta.net
[86400] 93.212.25.200.in-addr.arpa. domain name pointer customer-212-93.porta.net
[86400] 94.212.25.200.in-addr.arpa. domain name pointer customer-212-94.porta.net
[86400] 95.212.25.200.in-addr.arpa. domain name pointer customer-212-95.porta.net
[86400] 96.212.25.200.in-addr.arpa. domain name pointer customer-212-96.porta.net
[86400] 97.212.25.200.in-addr.arpa. domain name pointer customer-212-97.porta.net
[86400] 98.212.25.200.in-addr.arpa. domain name pointer customer-212-98.porta.net
[86400] 99.212.25.200.in-addr.arpa. domain name pointer customer-212-99.porta.net
[86400] 100.212.25.200.in-addr.arpa. domain name pointer customer-212-100.porta.net
[86400] 101.212.25.200.in-addr.arpa. domain name pointer customer-212-101.porta.net
[86400] 102.212.25.200.in-addr.arpa. domain name pointer customer-212-102.porta.net
[86400] 103.212.25.200.in-addr.arpa. domain name pointer customer-212-103.porta.net
[86400] 104.212.25.200.in-addr.arpa. domain name pointer customer-212-104.porta.net
[86400] 105.212.25.200.in-addr.arpa. domain name pointer customer-212-105.porta.net
[86400] 106.212.25.200.in-addr.arpa. domain name pointer customer-212-106.porta.net
[86400] 107.212.25.200.in-addr.arpa. domain name pointer customer-212-107.porta.net
[86400] 108.212.25.200.in-addr.arpa. domain name pointer customer-212-108.porta.net
[86400] 109.212.25.200.in-addr.arpa. domain name pointer customer-212-109.porta.net
[86400] 110.212.25.200.in-addr.arpa. domain name pointer customer-212-110.porta.net
[86400] 111.212.25.200.in-addr.arpa. domain name pointer customer-212-111.porta.net
[86400] 112.212.25.200.in-addr.arpa. domain name pointer customer-212-112.porta.net
[86400] 113.212.25.200.in-addr.arpa. domain name pointer customer-212-113.porta.net
[86400] 114.212.25.200.in-addr.arpa. domain name pointer customer-212-114.porta.net
[86400] 115.212.25.200.in-addr.arpa. domain name pointer customer-212-115.porta.net
[86400] 116.212.25.200.in-addr.arpa. domain name pointer customer-212-116.porta.net
[86400] 117.212.25.200.in-addr.arpa. domain name pointer customer-212-117.porta.net
[86400] 118.212.25.200.in-addr.arpa. domain name pointer customer-212-118.porta.net
[86400] 119.212.25.200.in-addr.arpa. domain name pointer customer-212-119.porta.net
[86400] 120.212.25.200.in-addr.arpa. domain name pointer customer-212-120.porta.net
[86400] 121.212.25.200.in-addr.arpa. domain name pointer customer-212-121.porta.net
[86400] 122.212.25.200.in-addr.arpa. domain name pointer customer-212-122.porta.net
[86400] 123.212.25.200.in-addr.arpa. domain name pointer customer-212-123.porta.net
[86400] 124.212.25.200.in-addr.arpa. domain name pointer customer-212-124.porta.net
[86400] 125.212.25.200.in-addr.arpa. domain name pointer customer-212-125.porta.net
[86400] 126.212.25.200.in-addr.arpa. domain name pointer customer-212-126.porta.net
[86400] 127.212.25.200.in-addr.arpa. domain name pointer customer-212-127.porta.net
[86400] 128.212.25.200.in-addr.arpa. domain name pointer customer-212-128.porta.net
[86400] 129.212.25.200.in-addr.arpa. domain name pointer customer-212-129.porta.net
[86400] 130.212.25.200.in-addr.arpa. domain name pointer customer-212-130.porta.net
[86400] 131.212.25.200.in-addr.arpa. domain name pointer customer-212-131.porta.net
[86400] 132.212.25.200.in-addr.arpa. domain name pointer customer-212-132.porta.net
[86400] 133.212.25.200.in-addr.arpa. domain name pointer customer-212-133.porta.net
[86400] 134.212.25.200.in-addr.arpa. domain name pointer customer-212-134.porta.net
[86400] 135.212.25.200.in-addr.arpa. domain name pointer customer-212-135.porta.net
[86400] 136.212.25.200.in-addr.arpa. domain name pointer customer-212-136.porta.net
[86400] 137.212.25.200.in-addr.arpa. domain name pointer customer-212-137.porta.net
[86400] 138.212.25.200.in-addr.arpa. domain name pointer customer-212-138.porta.net
[86400] 139.212.25.200.in-addr.arpa. domain name pointer customer-212-139.porta.net
[86400] 140.212.25.200.in-addr.arpa. domain name pointer customer-212-140.porta.net
[86400] 141.212.25.200.in-addr.arpa. domain name pointer customer-212-141.porta.net
[86400] 142.212.25.200.in-addr.arpa. domain name pointer customer-212-142.porta.net
[86400] 143.212.25.200.in-addr.arpa. domain name pointer customer-212-143.porta.net
[86400] 144.212.25.200.in-addr.arpa. domain name pointer customer-212-144.porta.net
[86400] 145.212.25.200.in-addr.arpa. domain name pointer customer-212-145.porta.net
[86400] 146.212.25.200.in-addr.arpa. domain name pointer customer-212-146.porta.net
[86400] 147.212.25.200.in-addr.arpa. domain name pointer customer-212-147.porta.net
[86400] 148.212.25.200.in-addr.arpa. domain name pointer customer-212-148.porta.net
[86400] 149.212.25.200.in-addr.arpa. domain name pointer customer-212-149.porta.net
[86400] 150.212.25.200.in-addr.arpa. domain name pointer customer-212-150.porta.net
[86400] 151.212.25.200.in-addr.arpa. domain name pointer customer-212-151.porta.net
[86400] 152.212.25.200.in-addr.arpa. domain name pointer customer-212-152.porta.net
[86400] 153.212.25.200.in-addr.arpa. domain name pointer customer-212-153.porta.net
[86400] 154.212.25.200.in-addr.arpa. domain name pointer customer-212-154.porta.net
[86400] 155.212.25.200.in-addr.arpa. domain name pointer customer-212-155.porta.net
[86400] 156.212.25.200.in-addr.arpa. domain name pointer mail.bodycaresg.com
[86400] 157.212.25.200.in-addr.arpa. domain name pointer customer-212-157.porta.net
[86400] 158.212.25.200.in-addr.arpa. domain name pointer customer-212-158.porta.net
[86400] 159.212.25.200.in-addr.arpa. domain name pointer customer-212-159.porta.net
[86400] 160.212.25.200.in-addr.arpa. domain name pointer customer-212-160.porta.net
[86400] 161.212.25.200.in-addr.arpa. domain name pointer customer-212-161.porta.net
[86400] 162.212.25.200.in-addr.arpa. domain name pointer customer-212-162.porta.net
[86400] 163.212.25.200.in-addr.arpa. domain name pointer customer-212-163.porta.net
[86400] 164.212.25.200.in-addr.arpa. domain name pointer mail.azuero.com.ec
[86400] 165.212.25.200.in-addr.arpa. domain name pointer customer-212-165.porta.net
[86400] 166.212.25.200.in-addr.arpa. domain name pointer customer-212-166.porta.net
[86400] 167.212.25.200.in-addr.arpa. domain name pointer customer-212-167.porta.net
[86400] 168.212.25.200.in-addr.arpa. domain name pointer customer-212-168.porta.net
[86400] 169.212.25.200.in-addr.arpa. domain name pointer customer-212-169.porta.net
[86400] 170.212.25.200.in-addr.arpa. domain name pointer customer-212-170.porta.net
[86400] 171.212.25.200.in-addr.arpa. domain name pointer customer-212-171.porta.net
[86400] 172.212.25.200.in-addr.arpa. domain name pointer customer-212-172.porta.net
[86400] 173.212.25.200.in-addr.arpa. domain name pointer customer-212-173.porta.net
[86400] 174.212.25.200.in-addr.arpa. domain name pointer customer-212-174.porta.net
[86400] 175.212.25.200.in-addr.arpa. domain name pointer customer-212-175.porta.net
[86400] 176.212.25.200.in-addr.arpa. domain name pointer customer-212-176.porta.net
[86400] 177.212.25.200.in-addr.arpa. domain name pointer customer-212-177.porta.net
[86400] 178.212.25.200.in-addr.arpa. domain name pointer customer-212-178.porta.net
[86400] 179.212.25.200.in-addr.arpa. domain name pointer customer-212-179.porta.net
[86400] 180.212.25.200.in-addr.arpa. domain name pointer customer-212-180.porta.net
[86400] 181.212.25.200.in-addr.arpa. domain name pointer customer-212-181.porta.net
[86400] 182.212.25.200.in-addr.arpa. domain name pointer customer-212-182.porta.net
[86400] 183.212.25.200.in-addr.arpa. domain name pointer customer-212-183.porta.net
[86400] 184.212.25.200.in-addr.arpa. domain name pointer customer-212-184.porta.net
[86400] 185.212.25.200.in-addr.arpa. domain name pointer customer-212-185.porta.net
[86400] 186.212.25.200.in-addr.arpa. domain name pointer customer-212-186.porta.net
[86400] 187.212.25.200.in-addr.arpa. domain name pointer customer-212-187.porta.net
[86400] 188.212.25.200.in-addr.arpa. domain name pointer customer-212-188.porta.net
[86400] 189.212.25.200.in-addr.arpa. domain name pointer customer-212-189.porta.net
[86400] 190.212.25.200.in-addr.arpa. domain name pointer customer-212-190.porta.net
[86400] 191.212.25.200.in-addr.arpa. domain name pointer customer-212-191.porta.net
[86400] 192.212.25.200.in-addr.arpa. domain name pointer customer-212-192.porta.net
[86400] 193.212.25.200.in-addr.arpa. domain name pointer customer-212-193.porta.net
[86400] 194.212.25.200.in-addr.arpa. domain name pointer intranetcue1.tomebamba.com.ec
[86400] 195.212.25.200.in-addr.arpa. domain name pointer customer-212-195.porta.net
[86400] 196.212.25.200.in-addr.arpa. domain name pointer mail.tomebamba.com.ec
[86400] 197.212.25.200.in-addr.arpa. domain name pointer customer-212-197.porta.net
[86400] 198.212.25.200.in-addr.arpa. domain name pointer customer-212-198.porta.net
[86400] 199.212.25.200.in-addr.arpa. domain name pointer customer-212-199.porta.net
[86400] 200.212.25.200.in-addr.arpa. domain name pointer customer-212-200.porta.net
[86400] 201.212.25.200.in-addr.arpa. domain name pointer customer-212-201.porta.net
[86400] 202.212.25.200.in-addr.arpa. domain name pointer customer-212-202.porta.net
[86400] 203.212.25.200.in-addr.arpa. domain name pointer customer-212-203.porta.net
[86400] 204.212.25.200.in-addr.arpa. domain name pointer customer-212-204.porta.net
[86400] 205.212.25.200.in-addr.arpa. domain name pointer customer-212-205.porta.net
[86400] 206.212.25.200.in-addr.arpa. domain name pointer customer-212-206.porta.net
[86400] 207.212.25.200.in-addr.arpa. domain name pointer customer-212-207.porta.net
[86400] 208.212.25.200.in-addr.arpa. domain name pointer customer-212-208.porta.net
[86400] 209.212.25.200.in-addr.arpa. domain name pointer customer-212-209.porta.net
[86400] 210.212.25.200.in-addr.arpa. domain name pointer customer-212-210.porta.net
[86400] 211.212.25.200.in-addr.arpa. domain name pointer customer-212-211.porta.net
[86400] 212.212.25.200.in-addr.arpa. domain name pointer customer-212-212.porta.net
[86400] 213.212.25.200.in-addr.arpa. domain name pointer customer-212-213.porta.net
[86400] 214.212.25.200.in-addr.arpa. domain name pointer customer-212-214.porta.net
[86400] 215.212.25.200.in-addr.arpa. domain name pointer customer-212-215.porta.net
[86400] 216.212.25.200.in-addr.arpa. domain name pointer customer-212-216.porta.net
[86400] 217.212.25.200.in-addr.arpa. domain name pointer customer-212-217.porta.net
[86400] 218.212.25.200.in-addr.arpa. domain name pointer customer-212-218.porta.net
[86400] 219.212.25.200.in-addr.arpa. domain name pointer customer-212-219.porta.net
[86400] 220.212.25.200.in-addr.arpa. domain name pointer customer-212-220.porta.net
[86400] 221.212.25.200.in-addr.arpa. domain name pointer customer-212-221.porta.net
[86400] 222.212.25.200.in-addr.arpa. domain name pointer customer-212-222.porta.net
[86400] 223.212.25.200.in-addr.arpa. domain name pointer customer-212-223.porta.net
[86400] 224.212.25.200.in-addr.arpa. domain name pointer customer-212-224.porta.net
[86400] 225.212.25.200.in-addr.arpa. domain name pointer mail.poliquim.com
[86400] 226.212.25.200.in-addr.arpa. domain name pointer customer-212-226.porta.net
[86400] 227.212.25.200.in-addr.arpa. domain name pointer customer-212-227.porta.net
[86400] 228.212.25.200.in-addr.arpa. domain name pointer customer-212-228.porta.net
[86400] 229.212.25.200.in-addr.arpa. domain name pointer customer-212-229.porta.net
[86400] 230.212.25.200.in-addr.arpa. domain name pointer customer-212-230.porta.net
[86400] 231.212.25.200.in-addr.arpa. domain name pointer customer-212-231.porta.net
[86400] 232.212.25.200.in-addr.arpa. domain name pointer customer-212-232.porta.net
[86400] 233.212.25.200.in-addr.arpa. domain name pointer customer-212-233.porta.net
[86400] 234.212.25.200.in-addr.arpa. domain name pointer customer-212-234.porta.net
[86400] 235.212.25.200.in-addr.arpa. domain name pointer exmail.coopjep.fin.ec
[86400] 236.212.25.200.in-addr.arpa. domain name pointer customer-212-236.porta.net
[86400] 237.212.25.200.in-addr.arpa. domain name pointer customer-212-237.porta.net
[86400] 238.212.25.200.in-addr.arpa. domain name pointer customer-212-238.porta.net
[86400] 239.212.25.200.in-addr.arpa. domain name pointer customer-212-239.porta.net
[86400] 240.212.25.200.in-addr.arpa. domain name pointer customer-212-240.porta.net
[86400] 241.212.25.200.in-addr.arpa. domain name pointer customer-212-241.porta.net
[86400] 242.212.25.200.in-addr.arpa. domain name pointer customer-212-242.porta.net
[86400] 243.212.25.200.in-addr.arpa. domain name pointer customer-212-243.porta.net
[86400] 244.212.25.200.in-addr.arpa. domain name pointer customer-212-244.porta.net
[86400] 245.212.25.200.in-addr.arpa. domain name pointer customer-212-245.porta.net
[86400] 246.212.25.200.in-addr.arpa. domain name pointer mx2.coopjep.fin.ec
[86400] 247.212.25.200.in-addr.arpa. domain name pointer customer-212-247.porta.net
[86400] 248.212.25.200.in-addr.arpa. domain name pointer customer-212-248.porta.net
[86400] 249.212.25.200.in-addr.arpa. domain name pointer customer-212-249.porta.net
[86400] 250.212.25.200.in-addr.arpa. domain name pointer customer-212-250.porta.net
[86400] 251.212.25.200.in-addr.arpa. domain name pointer customer-212-251.porta.net
[86400] 252.212.25.200.in-addr.arpa. domain name pointer customer-212-252.porta.net
[86400] 253.212.25.200.in-addr.arpa. domain name pointer customer-212-253.porta.net
[86400] 254.212.25.200.in-addr.arpa. domain name pointer customer-212-254.porta.net
[0] 255.212.25.200.in-addr.arpa.: domain name does not exist