Host 0.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) 1.68.64.129.in-addr.arpa domain name pointer gw.kosow.brandeis.edu. Host 2.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 3.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 4.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 5.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 6.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 7.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 8.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 9.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) 10.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-10.kosow.brandeis.edu. 11.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-11.kosow.brandeis.edu. 12.68.64.129.in-addr.arpa domain name pointer statler.kosow.brandeis.edu. 13.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-13.kosow.brandeis.edu. 14.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-14.kosow.brandeis.edu. 15.68.64.129.in-addr.arpa domain name pointer jg-jeffptr.kosow.brandeis.edu. 16.68.64.129.in-addr.arpa domain name pointer hhmi-moorem.kosow.brandeis.edu. 17.68.64.129.in-addr.arpa domain name pointer grasshopper.bio.brandeis.edu. 18.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-18.kosow.brandeis.edu. 19.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-19.kosow.brandeis.edu. 20.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-20.kosow.brandeis.edu. 21.68.64.129.in-addr.arpa domain name pointer animal.kosow.brandeis.edu. Host 22.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) 23.68.64.129.in-addr.arpa domain name pointer teal.biochem.brandeis.edu. 24.68.64.129.in-addr.arpa domain name pointer jg-l.kosow.brandeis.edu. 25.68.64.129.in-addr.arpa domain name pointer jg-color.kosow.brandeis.edu. 26.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-26.kosow.brandeis.edu. 27.68.64.129.in-addr.arpa domain name pointer gretzky.kosow.brandeis.edu. 28.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-28.kosow.brandeis.edu. 29.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-29.kosow.brandeis.edu. 30.68.64.129.in-addr.arpa domain name pointer drteeth.kosow.brandeis.edu. 31.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-31.kosow.brandeis.edu. 32.68.64.129.in-addr.arpa domain name pointer trypsin.kosow.brandeis.edu. 33.68.64.129.in-addr.arpa domain name pointer jg-j.kosow.brandeis.edu. 34.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-34.kosow.brandeis.edu. 35.68.64.129.in-addr.arpa domain name pointer jg-fsold.kosow.brandeis.edu. 36.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-36.kosow.brandeis.edu. 37.68.64.129.in-addr.arpa domain name pointer mooreoffice.kosow.brandeis.edu. 38.68.64.129.in-addr.arpa domain name pointer ochre.biochem.brandeis.edu. 39.68.64.129.in-addr.arpa domain name pointer sweetums.kosow.brandeis.edu. 40.68.64.129.in-addr.arpa domain name pointer jg-dc.kosow.brandeis.edu. 41.68.64.129.in-addr.arpa domain name pointer misspiggy.kosow.brandeis.edu. 42.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-42.kosow.brandeis.edu. 43.68.64.129.in-addr.arpa domain name pointer canola.bio.brandeis.edu. 44.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-44.kosow.brandeis.edu. 45.68.64.129.in-addr.arpa domain name pointer jg-zippy.kosow.brandeis.edu. Host 46.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) 47.68.64.129.in-addr.arpa domain name pointer deltavision2.kosow.brandeis.edu. 48.68.64.129.in-addr.arpa domain name pointer rolf.kosow.brandeis.edu. 49.68.64.129.in-addr.arpa domain name pointer spectrochem.kosow.brandeis.edu. 50.68.64.129.in-addr.arpa domain name pointer dv39004.kosow.brandeis.edu. 51.68.64.129.in-addr.arpa domain name pointer moorecolor2.kosow.brandeis.edu. 52.68.64.129.in-addr.arpa domain name pointer fozzie.kosow.brandeis.edu. 53.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-53.kosow.brandeis.edu. 54.68.64.129.in-addr.arpa domain name pointer jg-k.kosow.brandeis.edu. 55.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-55.kosow.brandeis.edu. 56.68.64.129.in-addr.arpa domain name pointer sam.kosow.brandeis.edu. 57.68.64.129.in-addr.arpa domain name pointer banff.kosow.brandeis.edu. 58.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-58.kosow.brandeis.edu. 59.68.64.129.in-addr.arpa domain name pointer mooregrape.kosow.brandeis.edu. 60.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-60.kosow.brandeis.edu. 61.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-61.kosow.brandeis.edu. 62.68.64.129.in-addr.arpa domain name pointer genick.biochem.brandeis.edu. 63.68.64.129.in-addr.arpa domain name pointer yellow.biochem.brandeis.edu. 64.68.64.129.in-addr.arpa domain name pointer red.biochem.brandeis.edu. 65.68.64.129.in-addr.arpa domain name pointer kosow108.kosow.brandeis.edu. 66.68.64.129.in-addr.arpa domain name pointer indigo1.biochem.brandeis.edu. 67.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-67.kosow.brandeis.edu. 68.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-68.kosow.brandeis.edu. 69.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-69.kosow.brandeis.edu. 70.68.64.129.in-addr.arpa domain name pointer hedstrom-emac.biochem.brandeis.edu. 71.68.64.129.in-addr.arpa domain name pointer jg-b.kosow.brandeis.edu. 72.68.64.129.in-addr.arpa domain name pointer white.biochem.brandeis.edu. 73.68.64.129.in-addr.arpa domain name pointer jg-i.kosow.brandeis.edu. 74.68.64.129.in-addr.arpa domain name pointer cyan.biochem.brandeis.edu. 75.68.64.129.in-addr.arpa domain name pointer jg-g.kosow.brandeis.edu. 76.68.64.129.in-addr.arpa domain name pointer genick-spec.kosow.brandeis.edu. Host 77.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 78.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 79.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) 80.68.64.129.in-addr.arpa domain name pointer jg-d.kosow.brandeis.edu. 81.68.64.129.in-addr.arpa domain name pointer beige.biochem.brandeis.edu. 82.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-82.kosow.brandeis.edu. 83.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-83.kosow.brandeis.edu. 84.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-84.kosow.brandeis.edu. 85.68.64.129.in-addr.arpa domain name pointer genick-laptop.kosow.brandeis.edu. 86.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-86.kosow.brandeis.edu. 87.68.64.129.in-addr.arpa domain name pointer beantown.kosow.brandeis.edu. 88.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-88.kosow.brandeis.edu. 89.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-89.kosow.brandeis.edu. Host 90.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) 91.68.64.129.in-addr.arpa domain name pointer dog.biochem.brandeis.edu. 92.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-92.kosow.brandeis.edu. 93.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-93.kosow.brandeis.edu. 94.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-94.kosow.brandeis.edu. 95.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-95.kosow.brandeis.edu. 96.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-96.kosow.brandeis.edu. 97.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-97.kosow.brandeis.edu. Host 98.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) 99.68.64.129.in-addr.arpa domain name pointer silver.biochem.brandeis.edu. 100.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-100.kosow.brandeis.edu. 101.68.64.129.in-addr.arpa domain name pointer jg-s.kosow.brandeis.edu. 102.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-102.kosow.brandeis.edu. 103.68.64.129.in-addr.arpa domain name pointer jg-c.kosow.brandeis.edu. 104.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-104.kosow.brandeis.edu. 105.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-105.kosow.brandeis.edu. 106.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-106.kosow.brandeis.edu. 107.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-107.kosow.brandeis.edu. 108.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-108.kosow.brandeis.edu. 109.68.64.129.in-addr.arpa domain name pointer jg-a.kosow.brandeis.edu. 110.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-110.kosow.brandeis.edu. 111.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-111.kosow.brandeis.edu. 112.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-112.kosow.brandeis.edu. 113.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-113.kosow.brandeis.edu. 114.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-114.kosow.brandeis.edu. 115.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-115.kosow.brandeis.edu. 116.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-116.kosow.brandeis.edu. 117.68.64.129.in-addr.arpa domain name pointer hedstrom.biochem.brandeis.edu. 118.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-118.kosow.brandeis.edu. 119.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-119.kosow.brandeis.edu. 120.68.64.129.in-addr.arpa domain name pointer jg-fs.kosow.brandeis.edu. 121.68.64.129.in-addr.arpa domain name pointer dhcp-129-64-68-121.kosow.brandeis.edu. Host 122.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 123.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 124.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 125.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 126.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 127.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 128.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 129.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 130.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 131.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 132.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 133.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 134.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 135.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 136.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 137.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 138.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 139.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 140.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 141.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 142.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 143.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 144.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 145.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 146.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 147.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 148.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 149.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 150.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 151.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 152.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 153.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 154.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 155.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 156.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 157.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 158.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 159.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 160.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 161.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 162.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 163.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 164.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 165.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 166.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 167.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 168.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 169.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 170.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 171.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 172.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 173.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 174.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 175.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 176.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 177.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 178.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 179.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 180.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 181.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 182.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 183.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 184.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 185.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 186.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 187.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 188.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 189.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 190.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 191.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 192.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 193.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 194.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 195.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 196.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 197.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 198.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 199.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) 200.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-200.kosow.brandeis.edu. 201.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-201.kosow.brandeis.edu. 202.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-202.kosow.brandeis.edu. 203.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-203.kosow.brandeis.edu. 204.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-204.kosow.brandeis.edu. 205.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-205.kosow.brandeis.edu. 206.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-206.kosow.brandeis.edu. 207.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-207.kosow.brandeis.edu. 208.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-208.kosow.brandeis.edu. 209.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-209.kosow.brandeis.edu. 210.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-210.kosow.brandeis.edu. 211.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-211.kosow.brandeis.edu. 212.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-212.kosow.brandeis.edu. 213.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-213.kosow.brandeis.edu. 214.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-214.kosow.brandeis.edu. 215.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-215.kosow.brandeis.edu. 216.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-216.kosow.brandeis.edu. 217.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-217.kosow.brandeis.edu. 218.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-218.kosow.brandeis.edu. 219.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-219.kosow.brandeis.edu. 220.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-220.kosow.brandeis.edu. 221.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-221.kosow.brandeis.edu. 222.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-222.kosow.brandeis.edu. 223.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-223.kosow.brandeis.edu. 224.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-224.kosow.brandeis.edu. 225.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-225.kosow.brandeis.edu. 226.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-226.kosow.brandeis.edu. 227.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-227.kosow.brandeis.edu. 228.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-228.kosow.brandeis.edu. 229.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-229.kosow.brandeis.edu. 230.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-230.kosow.brandeis.edu. 231.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-231.kosow.brandeis.edu. 232.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-232.kosow.brandeis.edu. 233.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-233.kosow.brandeis.edu. 234.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-234.kosow.brandeis.edu. 235.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-235.kosow.brandeis.edu. 236.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-236.kosow.brandeis.edu. 237.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-237.kosow.brandeis.edu. 238.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-238.kosow.brandeis.edu. 239.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-239.kosow.brandeis.edu. 240.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-240.kosow.brandeis.edu. 241.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-241.kosow.brandeis.edu. 242.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-242.kosow.brandeis.edu. 243.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-243.kosow.brandeis.edu. 244.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-244.kosow.brandeis.edu. 245.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-245.kosow.brandeis.edu. 246.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-246.kosow.brandeis.edu. 247.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-247.kosow.brandeis.edu. 248.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-248.kosow.brandeis.edu. 249.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-249.kosow.brandeis.edu. 250.68.64.129.in-addr.arpa domain name pointer dyn-129-64-68-250.kosow.brandeis.edu. Host 251.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 252.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 253.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 254.68.64.129.in-addr.arpa not found: 3(NXDOMAIN) Host 255.68.64.129.in-addr.arpa not found: 3(NXDOMAIN)