[0] 0.74.103.128.in-addr.arpa.: domain name does not exist
[0] 1.74.103.128.in-addr.arpa.: domain name does not exist
[10800] 2.74.103.128.in-addr.arpa. domain name pointer sph74-2.harvard.edu
[10800] 3.74.103.128.in-addr.arpa. domain name pointer sph74-3.harvard.edu
[10800] 4.74.103.128.in-addr.arpa. domain name pointer sph74-4.harvard.edu
[10800] 5.74.103.128.in-addr.arpa. domain name pointer sph74-5.harvard.edu
[10800] 6.74.103.128.in-addr.arpa. domain name pointer sph74-6.harvard.edu
[10800] 7.74.103.128.in-addr.arpa. domain name pointer sph74-7.harvard.edu
[10800] 8.74.103.128.in-addr.arpa. domain name pointer sph74-8.harvard.edu
[10800] 9.74.103.128.in-addr.arpa. domain name pointer sph74-9.harvard.edu
[10800] 10.74.103.128.in-addr.arpa. domain name pointer sph74-10.harvard.edu
[10800] 11.74.103.128.in-addr.arpa. domain name pointer sph74-11.harvard.edu
[10800] 12.74.103.128.in-addr.arpa. domain name pointer sph74-12.harvard.edu
[10800] 13.74.103.128.in-addr.arpa. domain name pointer sph74-13.harvard.edu
[10800] 14.74.103.128.in-addr.arpa. domain name pointer sph74-14.harvard.edu
[10800] 15.74.103.128.in-addr.arpa. domain name pointer sph74-15.harvard.edu
[10800] 16.74.103.128.in-addr.arpa. domain name pointer sph74-16.harvard.edu
[10800] 17.74.103.128.in-addr.arpa. domain name pointer sph74-17.harvard.edu
[10800] 18.74.103.128.in-addr.arpa. domain name pointer sph74-18.harvard.edu
[10800] 19.74.103.128.in-addr.arpa. domain name pointer sph74-19.harvard.edu
[10800] 20.74.103.128.in-addr.arpa. domain name pointer sph74-20.harvard.edu
[10800] 21.74.103.128.in-addr.arpa. domain name pointer sph74-21.harvard.edu
[10800] 22.74.103.128.in-addr.arpa. domain name pointer sph74-22.harvard.edu
[10800] 23.74.103.128.in-addr.arpa. domain name pointer sph74-23.harvard.edu
[10800] 24.74.103.128.in-addr.arpa. domain name pointer sph74-24.harvard.edu
[10800] 25.74.103.128.in-addr.arpa. domain name pointer sph74-25.harvard.edu
[10800] 26.74.103.128.in-addr.arpa. domain name pointer sph74-26.harvard.edu
[10800] 27.74.103.128.in-addr.arpa. domain name pointer sph74-27.harvard.edu
[10800] 28.74.103.128.in-addr.arpa. domain name pointer sph74-28.harvard.edu
[10800] 29.74.103.128.in-addr.arpa. domain name pointer sph74-29.harvard.edu
[10800] 30.74.103.128.in-addr.arpa. domain name pointer sph74-30.harvard.edu
[10800] 31.74.103.128.in-addr.arpa. domain name pointer sph74-31.harvard.edu
[10800] 32.74.103.128.in-addr.arpa. domain name pointer sph74-32.harvard.edu
[10800] 33.74.103.128.in-addr.arpa. domain name pointer sph74-33.harvard.edu
[10800] 34.74.103.128.in-addr.arpa. domain name pointer sph74-34.harvard.edu
[10800] 35.74.103.128.in-addr.arpa. domain name pointer sph74-35.harvard.edu
[10800] 36.74.103.128.in-addr.arpa. domain name pointer sph74-36.harvard.edu
[10800] 37.74.103.128.in-addr.arpa. domain name pointer sph74-37.harvard.edu
[10800] 38.74.103.128.in-addr.arpa. domain name pointer sph74-38.harvard.edu
[10800] 39.74.103.128.in-addr.arpa. domain name pointer sph74-39.harvard.edu
[10800] 40.74.103.128.in-addr.arpa. domain name pointer sph74-40.harvard.edu
[10800] 41.74.103.128.in-addr.arpa. domain name pointer sph74-41.harvard.edu
[10800] 42.74.103.128.in-addr.arpa. domain name pointer sph74-42.harvard.edu
[10800] 43.74.103.128.in-addr.arpa. domain name pointer sph74-43.harvard.edu
[10800] 44.74.103.128.in-addr.arpa. domain name pointer sph74-44.harvard.edu
[10800] 45.74.103.128.in-addr.arpa. domain name pointer sph74-45.harvard.edu
[10800] 46.74.103.128.in-addr.arpa. domain name pointer sph74-46.harvard.edu
[10800] 47.74.103.128.in-addr.arpa. domain name pointer sph74-47.harvard.edu
[10800] 48.74.103.128.in-addr.arpa. domain name pointer sph74-48.harvard.edu
[10800] 49.74.103.128.in-addr.arpa. domain name pointer sph74-49.harvard.edu
[10800] 50.74.103.128.in-addr.arpa. domain name pointer sph74-50.harvard.edu
[10800] 51.74.103.128.in-addr.arpa. domain name pointer sph74-51.harvard.edu
[10800] 52.74.103.128.in-addr.arpa. domain name pointer sph74-52.harvard.edu
[10800] 53.74.103.128.in-addr.arpa. domain name pointer sph74-53.harvard.edu
[10800] 54.74.103.128.in-addr.arpa. domain name pointer sph74-54.harvard.edu
[10800] 55.74.103.128.in-addr.arpa. domain name pointer sph74-55.harvard.edu
[10800] 56.74.103.128.in-addr.arpa. domain name pointer sph74-56.harvard.edu
[10800] 57.74.103.128.in-addr.arpa. domain name pointer sph74-57.harvard.edu
[10800] 58.74.103.128.in-addr.arpa. domain name pointer sph74-58.harvard.edu
[10800] 59.74.103.128.in-addr.arpa. domain name pointer sph74-59.harvard.edu
[10800] 60.74.103.128.in-addr.arpa. domain name pointer sph74-60.harvard.edu
[10800] 61.74.103.128.in-addr.arpa. domain name pointer sph74-61.harvard.edu
[10800] 62.74.103.128.in-addr.arpa. domain name pointer sph74-62.harvard.edu
[10800] 63.74.103.128.in-addr.arpa. domain name pointer sph74-63.harvard.edu
[10800] 64.74.103.128.in-addr.arpa. domain name pointer sph74-64.harvard.edu
[10800] 65.74.103.128.in-addr.arpa. domain name pointer sph74-65.harvard.edu
[10800] 66.74.103.128.in-addr.arpa. domain name pointer sph74-66.harvard.edu
[10800] 67.74.103.128.in-addr.arpa. domain name pointer sph74-67.harvard.edu
[10800] 68.74.103.128.in-addr.arpa. domain name pointer sph74-68.harvard.edu
[10800] 69.74.103.128.in-addr.arpa. domain name pointer sph74-69.harvard.edu
[10800] 70.74.103.128.in-addr.arpa. domain name pointer sph74-70.harvard.edu
[10800] 71.74.103.128.in-addr.arpa. domain name pointer sph74-71.harvard.edu
[10800] 72.74.103.128.in-addr.arpa. domain name pointer sph74-72.harvard.edu
[10800] 73.74.103.128.in-addr.arpa. domain name pointer sph74-73.harvard.edu
[10800] 74.74.103.128.in-addr.arpa. domain name pointer sph74-74.harvard.edu
[10800] 75.74.103.128.in-addr.arpa. domain name pointer sph74-75.harvard.edu
[10800] 76.74.103.128.in-addr.arpa. domain name pointer sph74-76.harvard.edu
[10800] 77.74.103.128.in-addr.arpa. domain name pointer sph74-77.harvard.edu
[10800] 78.74.103.128.in-addr.arpa. domain name pointer sph74-78.harvard.edu
[10800] 79.74.103.128.in-addr.arpa. domain name pointer sph74-79.harvard.edu
[10800] 80.74.103.128.in-addr.arpa. domain name pointer sph74-80.harvard.edu
[10800] 81.74.103.128.in-addr.arpa. domain name pointer sph74-81.harvard.edu
[10800] 82.74.103.128.in-addr.arpa. domain name pointer sph74-82.harvard.edu
[10800] 83.74.103.128.in-addr.arpa. domain name pointer sph74-83.harvard.edu
[10800] 84.74.103.128.in-addr.arpa. domain name pointer sph74-84.harvard.edu
[10800] 85.74.103.128.in-addr.arpa. domain name pointer sph74-85.harvard.edu
[10800] 86.74.103.128.in-addr.arpa. domain name pointer sph74-86.harvard.edu
[10800] 87.74.103.128.in-addr.arpa. domain name pointer sph74-87.harvard.edu
[10800] 88.74.103.128.in-addr.arpa. domain name pointer sph74-88.harvard.edu
[10800] 89.74.103.128.in-addr.arpa. domain name pointer sph74-89.harvard.edu
[10800] 90.74.103.128.in-addr.arpa. domain name pointer sph74-90.harvard.edu
[10800] 91.74.103.128.in-addr.arpa. domain name pointer sph74-91.harvard.edu
[10800] 92.74.103.128.in-addr.arpa. domain name pointer sph74-92.harvard.edu
[10800] 93.74.103.128.in-addr.arpa. domain name pointer sph74-93.harvard.edu
[10800] 94.74.103.128.in-addr.arpa. domain name pointer sph74-94.harvard.edu
[10800] 95.74.103.128.in-addr.arpa. domain name pointer sph74-95.harvard.edu
[10800] 96.74.103.128.in-addr.arpa. domain name pointer sph74-96.harvard.edu
[10800] 97.74.103.128.in-addr.arpa. domain name pointer sph74-97.harvard.edu
[10800] 98.74.103.128.in-addr.arpa. domain name pointer sph74-98.harvard.edu
[10800] 99.74.103.128.in-addr.arpa. domain name pointer sph74-99.harvard.edu
[10800] 100.74.103.128.in-addr.arpa. domain name pointer sph74-100.harvard.edu
[10800] 101.74.103.128.in-addr.arpa. domain name pointer sph74-101.harvard.edu
[10800] 102.74.103.128.in-addr.arpa. domain name pointer sph74-102.harvard.edu
[10800] 103.74.103.128.in-addr.arpa. domain name pointer sph74-103.harvard.edu
[10800] 104.74.103.128.in-addr.arpa. domain name pointer sph74-104.harvard.edu
[10800] 105.74.103.128.in-addr.arpa. domain name pointer sph74-105.harvard.edu
[10800] 106.74.103.128.in-addr.arpa. domain name pointer sph74-106.harvard.edu
[10800] 107.74.103.128.in-addr.arpa. domain name pointer sph74-107.harvard.edu
[10800] 108.74.103.128.in-addr.arpa. domain name pointer sph74-108.harvard.edu
[10800] 109.74.103.128.in-addr.arpa. domain name pointer sph74-109.harvard.edu
[10800] 110.74.103.128.in-addr.arpa. domain name pointer sph74-110.harvard.edu
[10800] 111.74.103.128.in-addr.arpa. domain name pointer sph74-111.harvard.edu
[10800] 112.74.103.128.in-addr.arpa. domain name pointer sph74-112.harvard.edu
[10800] 113.74.103.128.in-addr.arpa. domain name pointer sph74-113.harvard.edu
[10800] 114.74.103.128.in-addr.arpa. domain name pointer sph74-114.harvard.edu
[10800] 115.74.103.128.in-addr.arpa. domain name pointer sph74-115.harvard.edu
[10800] 116.74.103.128.in-addr.arpa. domain name pointer sph74-116.harvard.edu
[10800] 117.74.103.128.in-addr.arpa. domain name pointer sph74-117.harvard.edu
[10800] 118.74.103.128.in-addr.arpa. domain name pointer sph74-118.harvard.edu
[10800] 119.74.103.128.in-addr.arpa. domain name pointer sph74-119.harvard.edu
[10800] 120.74.103.128.in-addr.arpa. domain name pointer sph74-120.harvard.edu
[10800] 121.74.103.128.in-addr.arpa. domain name pointer sph74-121.harvard.edu
[10800] 122.74.103.128.in-addr.arpa. domain name pointer sph74-122.harvard.edu
[10800] 123.74.103.128.in-addr.arpa. domain name pointer sph74-123.harvard.edu
[10800] 124.74.103.128.in-addr.arpa. domain name pointer sph74-124.harvard.edu
[10800] 125.74.103.128.in-addr.arpa. domain name pointer sph74-125.harvard.edu
[10800] 126.74.103.128.in-addr.arpa. domain name pointer sph74-126.harvard.edu
[10800] 127.74.103.128.in-addr.arpa. domain name pointer sph74-127.harvard.edu
[10800] 128.74.103.128.in-addr.arpa. domain name pointer sph74-128.harvard.edu
[10800] 129.74.103.128.in-addr.arpa. domain name pointer sph74-129.harvard.edu
[10800] 130.74.103.128.in-addr.arpa. domain name pointer sph74-130.harvard.edu
[10800] 131.74.103.128.in-addr.arpa. domain name pointer sph74-131.harvard.edu
[10800] 132.74.103.128.in-addr.arpa. domain name pointer sph74-132.harvard.edu
[10800] 133.74.103.128.in-addr.arpa. domain name pointer sph74-133.harvard.edu
[10800] 134.74.103.128.in-addr.arpa. domain name pointer sph74-134.harvard.edu
[10800] 135.74.103.128.in-addr.arpa. domain name pointer sph74-135.harvard.edu
[10800] 136.74.103.128.in-addr.arpa. domain name pointer sph74-136.harvard.edu
[10800] 137.74.103.128.in-addr.arpa. domain name pointer sph74-137.harvard.edu
[10800] 138.74.103.128.in-addr.arpa. domain name pointer sph74-138.harvard.edu
[10800] 139.74.103.128.in-addr.arpa. domain name pointer sph74-139.harvard.edu
[10800] 140.74.103.128.in-addr.arpa. domain name pointer sph74-140.harvard.edu
[10800] 141.74.103.128.in-addr.arpa. domain name pointer sph74-141.harvard.edu
[10800] 142.74.103.128.in-addr.arpa. domain name pointer sph74-142.harvard.edu
[10800] 143.74.103.128.in-addr.arpa. domain name pointer sph74-143.harvard.edu
[10800] 144.74.103.128.in-addr.arpa. domain name pointer sph74-144.harvard.edu
[10800] 145.74.103.128.in-addr.arpa. domain name pointer sph74-145.harvard.edu
[10800] 146.74.103.128.in-addr.arpa. domain name pointer sph74-146.harvard.edu
[10800] 147.74.103.128.in-addr.arpa. domain name pointer sph74-147.harvard.edu
[10800] 148.74.103.128.in-addr.arpa. domain name pointer sph74-148.harvard.edu
[10800] 149.74.103.128.in-addr.arpa. domain name pointer sph74-149.harvard.edu
[10800] 150.74.103.128.in-addr.arpa. domain name pointer sph74-150.harvard.edu
[10800] 151.74.103.128.in-addr.arpa. domain name pointer sph74-151.harvard.edu
[10800] 152.74.103.128.in-addr.arpa. domain name pointer sph74-152.harvard.edu
[10800] 153.74.103.128.in-addr.arpa. domain name pointer sph74-153.harvard.edu
[10800] 154.74.103.128.in-addr.arpa. domain name pointer sph74-154.harvard.edu
[10800] 155.74.103.128.in-addr.arpa. domain name pointer sph74-155.harvard.edu
[10800] 156.74.103.128.in-addr.arpa. domain name pointer sph74-156.harvard.edu
[10800] 157.74.103.128.in-addr.arpa. domain name pointer sph74-157.harvard.edu
[10800] 158.74.103.128.in-addr.arpa. domain name pointer sph74-158.harvard.edu
[10800] 159.74.103.128.in-addr.arpa. domain name pointer sph74-159.harvard.edu
[10800] 160.74.103.128.in-addr.arpa. domain name pointer sph74-160.harvard.edu
[10800] 161.74.103.128.in-addr.arpa. domain name pointer sph74-161.harvard.edu
[10800] 162.74.103.128.in-addr.arpa. domain name pointer sph74-162.harvard.edu
[10800] 163.74.103.128.in-addr.arpa. domain name pointer sph74-163.harvard.edu
[10800] 164.74.103.128.in-addr.arpa. domain name pointer sph74-164.harvard.edu
[10800] 165.74.103.128.in-addr.arpa. domain name pointer sph74-165.harvard.edu
[10800] 166.74.103.128.in-addr.arpa. domain name pointer sph74-166.harvard.edu
[10800] 167.74.103.128.in-addr.arpa. domain name pointer sph74-167.harvard.edu
[10800] 168.74.103.128.in-addr.arpa. domain name pointer sph74-168.harvard.edu
[10800] 169.74.103.128.in-addr.arpa. domain name pointer sph74-169.harvard.edu
[10800] 170.74.103.128.in-addr.arpa. domain name pointer sph74-170.harvard.edu
[10800] 171.74.103.128.in-addr.arpa. domain name pointer sph74-171.harvard.edu
[10800] 172.74.103.128.in-addr.arpa. domain name pointer sph74-172.harvard.edu
[10800] 173.74.103.128.in-addr.arpa. domain name pointer sph74-173.harvard.edu
[10800] 174.74.103.128.in-addr.arpa. domain name pointer sph74-174.harvard.edu
[10800] 175.74.103.128.in-addr.arpa. domain name pointer sph74-175.harvard.edu
[10800] 176.74.103.128.in-addr.arpa. domain name pointer sph74-176.harvard.edu
[10800] 177.74.103.128.in-addr.arpa. domain name pointer sph74-177.harvard.edu
[10800] 178.74.103.128.in-addr.arpa. domain name pointer sph74-178.harvard.edu
[10800] 179.74.103.128.in-addr.arpa. domain name pointer sph74-179.harvard.edu
[10800] 180.74.103.128.in-addr.arpa. domain name pointer sph74-180.harvard.edu
[10800] 181.74.103.128.in-addr.arpa. domain name pointer sph74-181.harvard.edu
[10800] 182.74.103.128.in-addr.arpa. domain name pointer sph74-182.harvard.edu
[10800] 183.74.103.128.in-addr.arpa. domain name pointer sph74-183.harvard.edu
[10800] 184.74.103.128.in-addr.arpa. domain name pointer sph74-184.harvard.edu
[10800] 185.74.103.128.in-addr.arpa. domain name pointer sph74-185.harvard.edu
[10800] 186.74.103.128.in-addr.arpa. domain name pointer sph74-186.harvard.edu
[10800] 187.74.103.128.in-addr.arpa. domain name pointer sph74-187.harvard.edu
[10800] 188.74.103.128.in-addr.arpa. domain name pointer sph74-188.harvard.edu
[10800] 189.74.103.128.in-addr.arpa. domain name pointer sph74-189.harvard.edu
[10800] 190.74.103.128.in-addr.arpa. domain name pointer sph74-190.harvard.edu
[10800] 191.74.103.128.in-addr.arpa. domain name pointer sph74-191.harvard.edu
[10800] 192.74.103.128.in-addr.arpa. domain name pointer sph74-192.harvard.edu
[10800] 193.74.103.128.in-addr.arpa. domain name pointer sph74-193.harvard.edu
[10800] 194.74.103.128.in-addr.arpa. domain name pointer sph74-194.harvard.edu
[10800] 195.74.103.128.in-addr.arpa. domain name pointer sph74-195.harvard.edu
[10800] 196.74.103.128.in-addr.arpa. domain name pointer sph74-196.harvard.edu
[10800] 197.74.103.128.in-addr.arpa. domain name pointer sph74-197.harvard.edu
[10800] 198.74.103.128.in-addr.arpa. domain name pointer sph74-198.harvard.edu
[10800] 199.74.103.128.in-addr.arpa. domain name pointer sph74-199.harvard.edu
[10800] 200.74.103.128.in-addr.arpa. domain name pointer sph74-200.harvard.edu
[10800] 201.74.103.128.in-addr.arpa. domain name pointer sph74-201.harvard.edu
[10800] 202.74.103.128.in-addr.arpa. domain name pointer sph74-202.harvard.edu
[10800] 203.74.103.128.in-addr.arpa. domain name pointer sph74-203.harvard.edu
[10800] 204.74.103.128.in-addr.arpa. domain name pointer sph74-204.harvard.edu
[10800] 205.74.103.128.in-addr.arpa. domain name pointer sph74-205.harvard.edu
[10800] 206.74.103.128.in-addr.arpa. domain name pointer sph74-206.harvard.edu
[10800] 207.74.103.128.in-addr.arpa. domain name pointer sph74-207.harvard.edu
[10800] 208.74.103.128.in-addr.arpa. domain name pointer sph74-208.harvard.edu
[10800] 209.74.103.128.in-addr.arpa. domain name pointer sph74-209.harvard.edu
[10800] 210.74.103.128.in-addr.arpa. domain name pointer sph74-210.harvard.edu
[10800] 211.74.103.128.in-addr.arpa. domain name pointer sph74-211.harvard.edu
[10800] 212.74.103.128.in-addr.arpa. domain name pointer sph74-212.harvard.edu
[10800] 213.74.103.128.in-addr.arpa. domain name pointer sph74-213.harvard.edu
[10800] 214.74.103.128.in-addr.arpa. domain name pointer sph74-214.harvard.edu
[10800] 215.74.103.128.in-addr.arpa. domain name pointer sph74-215.harvard.edu
[10800] 216.74.103.128.in-addr.arpa. domain name pointer sph74-216.harvard.edu
[10800] 217.74.103.128.in-addr.arpa. domain name pointer sph74-217.harvard.edu
[10800] 218.74.103.128.in-addr.arpa. domain name pointer sph74-218.harvard.edu
[10800] 219.74.103.128.in-addr.arpa. domain name pointer sph74-219.harvard.edu
[10800] 220.74.103.128.in-addr.arpa. domain name pointer sph74-220.harvard.edu
[10800] 221.74.103.128.in-addr.arpa. domain name pointer sph74-221.harvard.edu
[10800] 222.74.103.128.in-addr.arpa. domain name pointer sph74-222.harvard.edu
[10800] 223.74.103.128.in-addr.arpa. domain name pointer sph74-223.harvard.edu
[10800] 224.74.103.128.in-addr.arpa. domain name pointer sph74-224.harvard.edu
[10800] 225.74.103.128.in-addr.arpa. domain name pointer sph74-225.harvard.edu
[10800] 226.74.103.128.in-addr.arpa. domain name pointer sph74-226.harvard.edu
[10800] 227.74.103.128.in-addr.arpa. domain name pointer sph74-227.harvard.edu
[10800] 228.74.103.128.in-addr.arpa. domain name pointer sph74-228.harvard.edu
[10800] 229.74.103.128.in-addr.arpa. domain name pointer sph74-229.harvard.edu
[10800] 230.74.103.128.in-addr.arpa. domain name pointer sph74-230.harvard.edu
[10800] 231.74.103.128.in-addr.arpa. domain name pointer sph74-231.harvard.edu
[10800] 232.74.103.128.in-addr.arpa. domain name pointer sph74-232.harvard.edu
[10800] 233.74.103.128.in-addr.arpa. domain name pointer sph74-233.harvard.edu
[10800] 234.74.103.128.in-addr.arpa. domain name pointer sph74-234.harvard.edu
[10800] 235.74.103.128.in-addr.arpa. domain name pointer sph74-235.harvard.edu
[10800] 236.74.103.128.in-addr.arpa. domain name pointer sph74-236.harvard.edu
[10800] 237.74.103.128.in-addr.arpa. domain name pointer sph74-237.harvard.edu
[10800] 238.74.103.128.in-addr.arpa. domain name pointer sph74-238.harvard.edu
[10800] 239.74.103.128.in-addr.arpa. domain name pointer sph74-239.harvard.edu
[10800] 240.74.103.128.in-addr.arpa. domain name pointer sph74-240.harvard.edu
[10800] 241.74.103.128.in-addr.arpa. domain name pointer sph74-241.harvard.edu
[10800] 242.74.103.128.in-addr.arpa. domain name pointer sph74-242.harvard.edu
[10800] 243.74.103.128.in-addr.arpa. domain name pointer sph74-243.harvard.edu
[10800] 244.74.103.128.in-addr.arpa. domain name pointer sph74-244.harvard.edu
[10800] 245.74.103.128.in-addr.arpa. domain name pointer sph74-245.harvard.edu
[10800] 246.74.103.128.in-addr.arpa. domain name pointer sph74-246.harvard.edu
[10800] 247.74.103.128.in-addr.arpa. domain name pointer sph74-247.harvard.edu
[10800] 248.74.103.128.in-addr.arpa. domain name pointer sph74-248.harvard.edu
[10800] 249.74.103.128.in-addr.arpa. domain name pointer sph74-249.harvard.edu
[10800] 250.74.103.128.in-addr.arpa. domain name pointer sph74-250.harvard.edu
[10800] 251.74.103.128.in-addr.arpa. domain name pointer sph74-251.harvard.edu
[10800] 252.74.103.128.in-addr.arpa. domain name pointer sph74-252.harvard.edu
[10800] 253.74.103.128.in-addr.arpa. domain name pointer sph74-253.harvard.edu
[10800] 254.74.103.128.in-addr.arpa. domain name pointer sph74-254.harvard.edu
[0] 255.74.103.128.in-addr.arpa.: domain name does not exist