[0] 0.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 1.181.138.128.in-addr.arpa. domain name pointer econ-gw-gugg.colorado.edu
[0] 2.181.138.128.in-addr.arpa.: domain name does not exist
[0] 3.181.138.128.in-addr.arpa.: domain name does not exist
[0] 4.181.138.128.in-addr.arpa.: domain name does not exist
[0] 5.181.138.128.in-addr.arpa.: domain name does not exist
[0] 6.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 7.181.138.128.in-addr.arpa. domain name pointer lassi.colorado.edu
[21600] 8.181.138.128.in-addr.arpa. domain name pointer cpi-gugg-6-pt1.colorado.edu
[21600] 9.181.138.128.in-addr.arpa. domain name pointer cpi-gugg-6-pt2.colorado.edu
[21600] 10.181.138.128.in-addr.arpa. domain name pointer cpi-gugg-6-cpt1.colorado.edu
[21600] 11.181.138.128.in-addr.arpa. domain name pointer earthmap.colorado.edu
[0] 12.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 13.181.138.128.in-addr.arpa. domain name pointer tprint.colorado.edu
[21600] 14.181.138.128.in-addr.arpa. domain name pointer gugg3.colorado.edu
[21600] 15.181.138.128.in-addr.arpa. domain name pointer cpi-gugg-6-prs1.colorado.edu
[21600] 16.181.138.128.in-addr.arpa. domain name pointer gugg16.colorado.edu
[21600] 17.181.138.128.in-addr.arpa. domain name pointer sunflower.colorado.edu
[21600] 18.181.138.128.in-addr.arpa. domain name pointer geogjet.colorado.edu
[21600] 19.181.138.128.in-addr.arpa. domain name pointer athens.colorado.edu
[21600] 20.181.138.128.in-addr.arpa. domain name pointer cpi-gugg-6-prs2.colorado.edu
[21600] 21.181.138.128.in-addr.arpa. domain name pointer gugg181-21.colorado.edu
[21600] 22.181.138.128.in-addr.arpa. domain name pointer gugg-205.colorado.edu
[0] 23.181.138.128.in-addr.arpa.: domain name does not exist
[0] 24.181.138.128.in-addr.arpa.: domain name does not exist
[0] 25.181.138.128.in-addr.arpa.: domain name does not exist
[0] 26.181.138.128.in-addr.arpa.: domain name does not exist
[0] 27.181.138.128.in-addr.arpa.: domain name does not exist
[0] 28.181.138.128.in-addr.arpa.: domain name does not exist
[0] 29.181.138.128.in-addr.arpa.: domain name does not exist
[0] 30.181.138.128.in-addr.arpa.: domain name does not exist
[0] 31.181.138.128.in-addr.arpa.: domain name does not exist
[0] 32.181.138.128.in-addr.arpa.: domain name does not exist
[0] 33.181.138.128.in-addr.arpa.: domain name does not exist
[0] 34.181.138.128.in-addr.arpa.: domain name does not exist
[0] 35.181.138.128.in-addr.arpa.: domain name does not exist
[0] 36.181.138.128.in-addr.arpa.: domain name does not exist
[0] 37.181.138.128.in-addr.arpa.: domain name does not exist
[0] 38.181.138.128.in-addr.arpa.: domain name does not exist
[0] 39.181.138.128.in-addr.arpa.: domain name does not exist
[0] 40.181.138.128.in-addr.arpa.: domain name does not exist
[0] 41.181.138.128.in-addr.arpa.: domain name does not exist
[0] 42.181.138.128.in-addr.arpa.: domain name does not exist
[0] 43.181.138.128.in-addr.arpa.: domain name does not exist
[0] 44.181.138.128.in-addr.arpa.: domain name does not exist
[0] 45.181.138.128.in-addr.arpa.: domain name does not exist
[0] 46.181.138.128.in-addr.arpa.: domain name does not exist
[0] 47.181.138.128.in-addr.arpa.: domain name does not exist
[0] 48.181.138.128.in-addr.arpa.: domain name does not exist
[0] 49.181.138.128.in-addr.arpa.: domain name does not exist
[0] 50.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 51.181.138.128.in-addr.arpa. domain name pointer gugg51.colorado.edu
[0] 52.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 53.181.138.128.in-addr.arpa. domain name pointer powerwest.colorado.edu
[21600] 54.181.138.128.in-addr.arpa. domain name pointer powereast.colorado.edu
[21600] 55.181.138.128.in-addr.arpa. domain name pointer gugg55.colorado.edu
[21600] 56.181.138.128.in-addr.arpa. domain name pointer gugg56.colorado.edu
[21600] 57.181.138.128.in-addr.arpa. domain name pointer gugg57.colorado.edu
[21600] 58.181.138.128.in-addr.arpa. domain name pointer gugg58.colorado.edu
[21600] 59.181.138.128.in-addr.arpa. domain name pointer gugg59.colorado.edu
[21600] 60.181.138.128.in-addr.arpa. domain name pointer gugg181-60.colorado.edu
[0] 61.181.138.128.in-addr.arpa.: domain name does not exist
[0] 62.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 63.181.138.128.in-addr.arpa. domain name pointer gugg63.colorado.edu
[21600] 64.181.138.128.in-addr.arpa. domain name pointer gugg64.colorado.edu
[21600] 65.181.138.128.in-addr.arpa. domain name pointer gugg181-65.colorado.edu
[21600] 66.181.138.128.in-addr.arpa. domain name pointer gugg66.colorado.edu
[21600] 67.181.138.128.in-addr.arpa. domain name pointer gugg67.colorado.edu
[0] 68.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 69.181.138.128.in-addr.arpa. domain name pointer gugg69.colorado.edu
[21600] 70.181.138.128.in-addr.arpa. domain name pointer bern.colorado.edu
[21600] 71.181.138.128.in-addr.arpa. domain name pointer paris.colorado.edu
[0] 72.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 73.181.138.128.in-addr.arpa. domain name pointer greenwich.colorado.edu
[21600] 74.181.138.128.in-addr.arpa. domain name pointer gugg74.colorado.edu
[21600] 75.181.138.128.in-addr.arpa. domain name pointer gugg75.colorado.edu
[0] 76.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 77.181.138.128.in-addr.arpa. domain name pointer gugg77.colorado.edu
[21600] 78.181.138.128.in-addr.arpa. domain name pointer gugg78.colorado.edu
[0] 79.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 80.181.138.128.in-addr.arpa. domain name pointer stormking.colorado.edu
[21600] 81.181.138.128.in-addr.arpa. domain name pointer gugg81.colorado.edu
[0] 82.181.138.128.in-addr.arpa.: domain name does not exist
[0] 83.181.138.128.in-addr.arpa.: domain name does not exist
[0] 84.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 85.181.138.128.in-addr.arpa. domain name pointer gugg85.colorado.edu
[21600] 86.181.138.128.in-addr.arpa. domain name pointer gugg86.colorado.edu
[0] 87.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 88.181.138.128.in-addr.arpa. domain name pointer gugg88.colorado.edu
[0] 89.181.138.128.in-addr.arpa.: domain name does not exist
[0] 90.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 91.181.138.128.in-addr.arpa. domain name pointer gugg91.colorado.edu
[0] 92.181.138.128.in-addr.arpa.: domain name does not exist
[0] 93.181.138.128.in-addr.arpa.: domain name does not exist
[0] 94.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 95.181.138.128.in-addr.arpa. domain name pointer gugg181-95.colorado.edu
[21600] 96.181.138.128.in-addr.arpa. domain name pointer gugg181-96.colorado.edu
[21600] 97.181.138.128.in-addr.arpa. domain name pointer gugg181-97.colorado.edu
[21600] 98.181.138.128.in-addr.arpa. domain name pointer gugg181-98.colorado.edu
[21600] 99.181.138.128.in-addr.arpa. domain name pointer gugg6-server.colorado.edu
[21600] 100.181.138.128.in-addr.arpa. domain name pointer gugg6pc100.colorado.edu
[21600] 101.181.138.128.in-addr.arpa. domain name pointer gugg6pc101.colorado.edu
[21600] 102.181.138.128.in-addr.arpa. domain name pointer gugg6pc102.colorado.edu
[21600] 103.181.138.128.in-addr.arpa. domain name pointer gugg6pc103.colorado.edu
[21600] 104.181.138.128.in-addr.arpa. domain name pointer gugg6pc104.colorado.edu
[21600] 105.181.138.128.in-addr.arpa. domain name pointer gugg6pc105.colorado.edu
[21600] 106.181.138.128.in-addr.arpa. domain name pointer gugg6pc106.colorado.edu
[21600] 107.181.138.128.in-addr.arpa. domain name pointer gugg6pc107.colorado.edu
[21600] 108.181.138.128.in-addr.arpa. domain name pointer gugg6pc108.colorado.edu
[21600] 109.181.138.128.in-addr.arpa. domain name pointer gugg6pc109.colorado.edu
[21600] 110.181.138.128.in-addr.arpa. domain name pointer gugg6pc110.colorado.edu
[21600] 111.181.138.128.in-addr.arpa. domain name pointer gugg6pc111.colorado.edu
[21600] 112.181.138.128.in-addr.arpa. domain name pointer gugg6pc112.colorado.edu
[21600] 113.181.138.128.in-addr.arpa. domain name pointer gugg6pc113.colorado.edu
[21600] 114.181.138.128.in-addr.arpa. domain name pointer gugg6pc114.colorado.edu
[21600] 115.181.138.128.in-addr.arpa. domain name pointer gugg6pc115.colorado.edu
[21600] 116.181.138.128.in-addr.arpa. domain name pointer gugg6pc116.colorado.edu
[21600] 117.181.138.128.in-addr.arpa. domain name pointer gugg6pc117.colorado.edu
[21600] 118.181.138.128.in-addr.arpa. domain name pointer gugg6pc118.colorado.edu
[21600] 119.181.138.128.in-addr.arpa. domain name pointer gugg6pc119.colorado.edu
[21600] 120.181.138.128.in-addr.arpa. domain name pointer gugg6pc120.colorado.edu
[21600] 121.181.138.128.in-addr.arpa. domain name pointer gugg6pc121.colorado.edu
[21600] 122.181.138.128.in-addr.arpa. domain name pointer gugg6pc122.colorado.edu
[21600] 123.181.138.128.in-addr.arpa. domain name pointer gugg6pc123.colorado.edu
[21600] 124.181.138.128.in-addr.arpa. domain name pointer gugg6pc124.colorado.edu
[21600] 125.181.138.128.in-addr.arpa. domain name pointer gugg6pc125.colorado.edu
[21600] 126.181.138.128.in-addr.arpa. domain name pointer gugg6pc126.colorado.edu
[21600] 127.181.138.128.in-addr.arpa. domain name pointer gugg6pc127.colorado.edu
[21600] 128.181.138.128.in-addr.arpa. domain name pointer gugg6pc128.colorado.edu
[21600] 129.181.138.128.in-addr.arpa. domain name pointer gugg6pc129.colorado.edu
[21600] 130.181.138.128.in-addr.arpa. domain name pointer gugg6pc130.colorado.edu
[0] 131.181.138.128.in-addr.arpa.: domain name does not exist
[0] 132.181.138.128.in-addr.arpa.: domain name does not exist
[0] 133.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 134.181.138.128.in-addr.arpa. domain name pointer gugg181-134.colorado.edu
[21600] 135.181.138.128.in-addr.arpa. domain name pointer moscow.colorado.edu
[21600] 136.181.138.128.in-addr.arpa. domain name pointer oslo.colorado.edu
[21600] 137.181.138.128.in-addr.arpa. domain name pointer lisbon.colorado.edu
[0] 138.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 139.181.138.128.in-addr.arpa. domain name pointer berlin.colorado.edu
[21600] 140.181.138.128.in-addr.arpa. domain name pointer gugg140.colorado.edu
[21600] 141.181.138.128.in-addr.arpa. domain name pointer gugg181-141.colorado.edu
[21600] 142.181.138.128.in-addr.arpa. domain name pointer gugg181-142.colorado.edu
[0] 143.181.138.128.in-addr.arpa.: domain name does not exist
[0] 144.181.138.128.in-addr.arpa.: domain name does not exist
[0] 145.181.138.128.in-addr.arpa.: domain name does not exist
[0] 146.181.138.128.in-addr.arpa.: domain name does not exist
[0] 147.181.138.128.in-addr.arpa.: domain name does not exist
[0] 148.181.138.128.in-addr.arpa.: domain name does not exist
[0] 149.181.138.128.in-addr.arpa.: domain name does not exist
[0] 150.181.138.128.in-addr.arpa.: domain name does not exist
[0] 151.181.138.128.in-addr.arpa.: domain name does not exist
[0] 152.181.138.128.in-addr.arpa.: domain name does not exist
[0] 153.181.138.128.in-addr.arpa.: domain name does not exist
[0] 154.181.138.128.in-addr.arpa.: domain name does not exist
[0] 155.181.138.128.in-addr.arpa.: domain name does not exist
[0] 156.181.138.128.in-addr.arpa.: domain name does not exist
[0] 157.181.138.128.in-addr.arpa.: domain name does not exist
[0] 158.181.138.128.in-addr.arpa.: domain name does not exist
[0] 159.181.138.128.in-addr.arpa.: domain name does not exist
[21600] 160.181.138.128.in-addr.arpa. domain name pointer gugg181-160-dhcp.colorado.edu
[21600] 161.181.138.128.in-addr.arpa. domain name pointer gugg181-161-dhcp.colorado.edu
[21600] 162.181.138.128.in-addr.arpa. domain name pointer gugg181-162-dhcp.colorado.edu
[21600] 163.181.138.128.in-addr.arpa. domain name pointer gugg181-163-dhcp.colorado.edu
[21600] 164.181.138.128.in-addr.arpa. domain name pointer gugg181-164-dhcp.colorado.edu
[21600] 165.181.138.128.in-addr.arpa. domain name pointer gugg181-165-dhcp.colorado.edu
[21600] 166.181.138.128.in-addr.arpa. domain name pointer gugg181-166-dhcp.colorado.edu
[21600] 167.181.138.128.in-addr.arpa. domain name pointer gugg181-167-dhcp.colorado.edu
[21600] 168.181.138.128.in-addr.arpa. domain name pointer gugg181-168-dhcp.colorado.edu
[21600] 169.181.138.128.in-addr.arpa. domain name pointer gugg181-169-dhcp.colorado.edu
[21600] 170.181.138.128.in-addr.arpa. domain name pointer gugg181-170-dhcp.colorado.edu
[21600] 171.181.138.128.in-addr.arpa. domain name pointer gugg181-171-dhcp.colorado.edu
[21600] 172.181.138.128.in-addr.arpa. domain name pointer gugg181-172-dhcp.colorado.edu
[21600] 173.181.138.128.in-addr.arpa. domain name pointer gugg181-173-dhcp.colorado.edu
[21600] 174.181.138.128.in-addr.arpa. domain name pointer gugg181-174-dhcp.colorado.edu
[21600] 175.181.138.128.in-addr.arpa. domain name pointer gugg181-175-dhcp.colorado.edu
[21600] 176.181.138.128.in-addr.arpa. domain name pointer gugg181-176-dhcp.colorado.edu
[21600] 177.181.138.128.in-addr.arpa. domain name pointer gugg181-177-dhcp.colorado.edu
[21600] 178.181.138.128.in-addr.arpa. domain name pointer gugg181-178-dhcp.colorado.edu
[21600] 179.181.138.128.in-addr.arpa. domain name pointer gugg181-179-dhcp.colorado.edu
[21600] 180.181.138.128.in-addr.arpa. domain name pointer gugg181-180-dhcp.colorado.edu
[21600] 181.181.138.128.in-addr.arpa. domain name pointer gugg181-181-dhcp.colorado.edu
[21600] 182.181.138.128.in-addr.arpa. domain name pointer gugg181-182-dhcp.colorado.edu
[21600] 183.181.138.128.in-addr.arpa. domain name pointer gugg181-183-dhcp.colorado.edu
[21600] 184.181.138.128.in-addr.arpa. domain name pointer gugg181-184-dhcp.colorado.edu
[21600] 185.181.138.128.in-addr.arpa. domain name pointer gugg181-185-dhcp.colorado.edu
[21600] 186.181.138.128.in-addr.arpa. domain name pointer gugg181-186-dhcp.colorado.edu
[21600] 187.181.138.128.in-addr.arpa. domain name pointer gugg181-187-dhcp.colorado.edu
[21600] 188.181.138.128.in-addr.arpa. domain name pointer gugg181-188-dhcp.colorado.edu
[21600] 189.181.138.128.in-addr.arpa. domain name pointer gugg181-189-dhcp.colorado.edu
[21600] 190.181.138.128.in-addr.arpa. domain name pointer gugg181-190-dhcp.colorado.edu
[21600] 191.181.138.128.in-addr.arpa. domain name pointer gugg181-191-dhcp.colorado.edu
[21600] 192.181.138.128.in-addr.arpa. domain name pointer gugg181-192-dhcp.colorado.edu
[21600] 193.181.138.128.in-addr.arpa. domain name pointer gugg181-193-dhcp.colorado.edu
[21600] 194.181.138.128.in-addr.arpa. domain name pointer gugg181-194-dhcp.colorado.edu
[21600] 195.181.138.128.in-addr.arpa. domain name pointer gugg181-195-dhcp.colorado.edu
[21600] 196.181.138.128.in-addr.arpa. domain name pointer gugg181-196-dhcp.colorado.edu
[21600] 197.181.138.128.in-addr.arpa. domain name pointer gugg181-197-dhcp.colorado.edu
[21600] 198.181.138.128.in-addr.arpa. domain name pointer gugg181-198-dhcp.colorado.edu
[21600] 199.181.138.128.in-addr.arpa. domain name pointer gugg181-199-dhcp.colorado.edu
[21600] 200.181.138.128.in-addr.arpa. domain name pointer gugg181-200-dhcp.colorado.edu
[21600] 201.181.138.128.in-addr.arpa. domain name pointer gugg181-201-dhcp.colorado.edu
[21600] 202.181.138.128.in-addr.arpa. domain name pointer gugg181-202-dhcp.colorado.edu
[21600] 203.181.138.128.in-addr.arpa. domain name pointer gugg181-203-dhcp.colorado.edu
[21600] 204.181.138.128.in-addr.arpa. domain name pointer gugg181-204-dhcp.colorado.edu
[21600] 205.181.138.128.in-addr.arpa. domain name pointer gugg181-205-dhcp.colorado.edu
[21600] 206.181.138.128.in-addr.arpa. domain name pointer gugg181-206-dhcp.colorado.edu
[21600] 207.181.138.128.in-addr.arpa. domain name pointer gugg181-207-dhcp.colorado.edu
[21600] 208.181.138.128.in-addr.arpa. domain name pointer gugg181-208-dhcp.colorado.edu
[21600] 209.181.138.128.in-addr.arpa. domain name pointer gugg181-209-dhcp.colorado.edu
[21600] 210.181.138.128.in-addr.arpa. domain name pointer gugg181-210-dhcp.colorado.edu
[21600] 211.181.138.128.in-addr.arpa. domain name pointer gugg181-211-dhcp.colorado.edu
[21600] 212.181.138.128.in-addr.arpa. domain name pointer gugg181-212-dhcp.colorado.edu
[21600] 213.181.138.128.in-addr.arpa. domain name pointer gugg181-213-dhcp.colorado.edu
[21600] 214.181.138.128.in-addr.arpa. domain name pointer gugg181-214-dhcp.colorado.edu
[21600] 215.181.138.128.in-addr.arpa. domain name pointer gugg181-215-dhcp.colorado.edu
[21600] 216.181.138.128.in-addr.arpa. domain name pointer gugg181-216-dhcp.colorado.edu
[21600] 217.181.138.128.in-addr.arpa. domain name pointer gugg181-217-dhcp.colorado.edu
[21600] 218.181.138.128.in-addr.arpa. domain name pointer gugg181-218-dhcp.colorado.edu
[21600] 219.181.138.128.in-addr.arpa. domain name pointer gugg181-219-dhcp.colorado.edu
[21600] 220.181.138.128.in-addr.arpa. domain name pointer gugg181-220-dhcp.colorado.edu
[21600] 221.181.138.128.in-addr.arpa. domain name pointer gugg181-221-dhcp.colorado.edu
[21600] 222.181.138.128.in-addr.arpa. domain name pointer gugg181-222-dhcp.colorado.edu
[21600] 223.181.138.128.in-addr.arpa. domain name pointer gugg181-223-dhcp.colorado.edu
[21600] 224.181.138.128.in-addr.arpa. domain name pointer gugg181-224-dhcp.colorado.edu
[21600] 225.181.138.128.in-addr.arpa. domain name pointer gugg181-225-dhcp.colorado.edu
[21600] 226.181.138.128.in-addr.arpa. domain name pointer gugg181-226-dhcp.colorado.edu
[21600] 227.181.138.128.in-addr.arpa. domain name pointer gugg181-227-dhcp.colorado.edu
[21600] 228.181.138.128.in-addr.arpa. domain name pointer gugg181-228-dhcp.colorado.edu
[21600] 229.181.138.128.in-addr.arpa. domain name pointer gugg181-229-dhcp.colorado.edu
[21600] 230.181.138.128.in-addr.arpa. domain name pointer gugg181-230-dhcp.colorado.edu
[21600] 231.181.138.128.in-addr.arpa. domain name pointer gugg181-231-dhcp.colorado.edu
[21600] 232.181.138.128.in-addr.arpa. domain name pointer gugg181-232-dhcp.colorado.edu
[21600] 233.181.138.128.in-addr.arpa. domain name pointer gugg181-233-dhcp.colorado.edu
[21600] 234.181.138.128.in-addr.arpa. domain name pointer gugg181-234-dhcp.colorado.edu
[21600] 235.181.138.128.in-addr.arpa. domain name pointer gugg181-235-dhcp.colorado.edu
[21600] 236.181.138.128.in-addr.arpa. domain name pointer gugg181-236-dhcp.colorado.edu
[21600] 237.181.138.128.in-addr.arpa. domain name pointer gugg181-237-dhcp.colorado.edu
[21600] 238.181.138.128.in-addr.arpa. domain name pointer gugg181-238-dhcp.colorado.edu
[21600] 239.181.138.128.in-addr.arpa. domain name pointer gugg181-239-dhcp.colorado.edu
[21600] 240.181.138.128.in-addr.arpa. domain name pointer gugg181-240-dhcp.colorado.edu
[21600] 241.181.138.128.in-addr.arpa. domain name pointer gugg181-241-dhcp.colorado.edu
[21600] 242.181.138.128.in-addr.arpa. domain name pointer gugg181-242-dhcp.colorado.edu
[21600] 243.181.138.128.in-addr.arpa. domain name pointer gugg181-243-dhcp.colorado.edu
[21600] 244.181.138.128.in-addr.arpa. domain name pointer gugg181-244-dhcp.colorado.edu
[21600] 245.181.138.128.in-addr.arpa. domain name pointer gugg181-245-dhcp.colorado.edu
[21600] 246.181.138.128.in-addr.arpa. domain name pointer gugg181-246-dhcp.colorado.edu
[21600] 247.181.138.128.in-addr.arpa. domain name pointer gugg181-247-dhcp.colorado.edu
[21600] 248.181.138.128.in-addr.arpa. domain name pointer gugg181-248-dhcp.colorado.edu
[21600] 249.181.138.128.in-addr.arpa. domain name pointer gugg181-249-dhcp.colorado.edu
[21600] 250.181.138.128.in-addr.arpa. domain name pointer gugg181-250-dhcp.colorado.edu
[21600] 251.181.138.128.in-addr.arpa. domain name pointer gugg181-251-dhcp.colorado.edu
[21600] 252.181.138.128.in-addr.arpa. domain name pointer gugg181-252-dhcp.colorado.edu
[21600] 253.181.138.128.in-addr.arpa. domain name pointer gugg181-253-dhcp.colorado.edu
[21600] 254.181.138.128.in-addr.arpa. domain name pointer gugg181-254-dhcp.colorado.edu
[0] 255.181.138.128.in-addr.arpa.: domain name does not exist