Host 0.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
1.52.91.128.in-addr.arpa domain name pointer OSAGE4224-GW.UPENN.EDU.
2.52.91.128.in-addr.arpa domain name pointer OSAGE4224-SWITCH.DCCS.UPENN.EDU.
3.52.91.128.in-addr.arpa domain name pointer OSAGE4224-SWITCH2.DCCS.UPENN.EDU.
Host 4.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 5.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 6.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 7.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 8.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 9.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 10.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
11.52.91.128.in-addr.arpa domain name pointer OSA001.RESNET-STUDENT.UPENN.EDU.
12.52.91.128.in-addr.arpa domain name pointer OSA002.RESNET-STUDENT.UPENN.EDU.
13.52.91.128.in-addr.arpa domain name pointer OSA003.RESNET-STUDENT.UPENN.EDU.
14.52.91.128.in-addr.arpa domain name pointer OSA004.RESNET-STUDENT.UPENN.EDU.
15.52.91.128.in-addr.arpa domain name pointer OSA005.RESNET-STUDENT.UPENN.EDU.
16.52.91.128.in-addr.arpa domain name pointer OSA006.RESNET-STUDENT.UPENN.EDU.
17.52.91.128.in-addr.arpa domain name pointer OSA007.RESNET-STUDENT.UPENN.EDU.
18.52.91.128.in-addr.arpa domain name pointer OSA008.RESNET-STUDENT.UPENN.EDU.
19.52.91.128.in-addr.arpa domain name pointer OSA009.RESNET-STUDENT.UPENN.EDU.
20.52.91.128.in-addr.arpa domain name pointer OSA010.RESNET-STUDENT.UPENN.EDU.
21.52.91.128.in-addr.arpa domain name pointer OSA011.RESNET-STUDENT.UPENN.EDU.
22.52.91.128.in-addr.arpa domain name pointer OSA012.RESNET-STUDENT.UPENN.EDU.
23.52.91.128.in-addr.arpa domain name pointer OSA013.RESNET-STUDENT.UPENN.EDU.
24.52.91.128.in-addr.arpa domain name pointer OSA014.RESNET-STUDENT.UPENN.EDU.
25.52.91.128.in-addr.arpa domain name pointer OSA015.RESNET-STUDENT.UPENN.EDU.
26.52.91.128.in-addr.arpa domain name pointer OSA016.RESNET-STUDENT.UPENN.EDU.
27.52.91.128.in-addr.arpa domain name pointer OSA017.RESNET-STUDENT.UPENN.EDU.
28.52.91.128.in-addr.arpa domain name pointer OSA018.RESNET-STUDENT.UPENN.EDU.
29.52.91.128.in-addr.arpa domain name pointer OSA019.RESNET-STUDENT.UPENN.EDU.
30.52.91.128.in-addr.arpa domain name pointer OSA020.RESNET-STUDENT.UPENN.EDU.
31.52.91.128.in-addr.arpa domain name pointer OSA021.RESNET-STUDENT.UPENN.EDU.
32.52.91.128.in-addr.arpa domain name pointer OSA022.RESNET-STUDENT.UPENN.EDU.
33.52.91.128.in-addr.arpa domain name pointer OSA023.RESNET-STUDENT.UPENN.EDU.
34.52.91.128.in-addr.arpa domain name pointer OSA024.RESNET-STUDENT.UPENN.EDU.
35.52.91.128.in-addr.arpa domain name pointer OSA025.RESNET-STUDENT.UPENN.EDU.
36.52.91.128.in-addr.arpa domain name pointer OSA026.RESNET-STUDENT.UPENN.EDU.
37.52.91.128.in-addr.arpa domain name pointer OSA027.RESNET-STUDENT.UPENN.EDU.
38.52.91.128.in-addr.arpa domain name pointer OSA028.RESNET-STUDENT.UPENN.EDU.
39.52.91.128.in-addr.arpa domain name pointer OSA029.RESNET-STUDENT.UPENN.EDU.
40.52.91.128.in-addr.arpa domain name pointer OSA030.RESNET-STUDENT.UPENN.EDU.
41.52.91.128.in-addr.arpa domain name pointer OSA031.RESNET-STUDENT.UPENN.EDU.
42.52.91.128.in-addr.arpa domain name pointer OSA032.RESNET-STUDENT.UPENN.EDU.
43.52.91.128.in-addr.arpa domain name pointer OSA033.RESNET-STUDENT.UPENN.EDU.
44.52.91.128.in-addr.arpa domain name pointer OSA034.RESNET-STUDENT.UPENN.EDU.
45.52.91.128.in-addr.arpa domain name pointer OSA035.RESNET-STUDENT.UPENN.EDU.
46.52.91.128.in-addr.arpa domain name pointer OSA036.RESNET-STUDENT.UPENN.EDU.
47.52.91.128.in-addr.arpa domain name pointer OSA037.RESNET-STUDENT.UPENN.EDU.
48.52.91.128.in-addr.arpa domain name pointer OSA038.RESNET-STUDENT.UPENN.EDU.
49.52.91.128.in-addr.arpa domain name pointer OSA039.RESNET-STUDENT.UPENN.EDU.
50.52.91.128.in-addr.arpa domain name pointer OSA040.RESNET-STUDENT.UPENN.EDU.
51.52.91.128.in-addr.arpa domain name pointer OSA041.RESNET-STUDENT.UPENN.EDU.
52.52.91.128.in-addr.arpa domain name pointer OSA042.RESNET-STUDENT.UPENN.EDU.
53.52.91.128.in-addr.arpa domain name pointer OSA043.RESNET-STUDENT.UPENN.EDU.
54.52.91.128.in-addr.arpa domain name pointer OSA044.RESNET-STUDENT.UPENN.EDU.
55.52.91.128.in-addr.arpa domain name pointer OSA045.RESNET-STUDENT.UPENN.EDU.
56.52.91.128.in-addr.arpa domain name pointer OSA046.RESNET-STUDENT.UPENN.EDU.
57.52.91.128.in-addr.arpa domain name pointer OSA047.RESNET-STUDENT.UPENN.EDU.
58.52.91.128.in-addr.arpa domain name pointer OSA048.RESNET-STUDENT.UPENN.EDU.
59.52.91.128.in-addr.arpa domain name pointer OSA049.RESNET-STUDENT.UPENN.EDU.
60.52.91.128.in-addr.arpa domain name pointer OSA050.RESNET-STUDENT.UPENN.EDU.
61.52.91.128.in-addr.arpa domain name pointer OSA051.RESNET-STUDENT.UPENN.EDU.
62.52.91.128.in-addr.arpa domain name pointer OSA052.RESNET-STUDENT.UPENN.EDU.
63.52.91.128.in-addr.arpa domain name pointer OSA053.RESNET-STUDENT.UPENN.EDU.
64.52.91.128.in-addr.arpa domain name pointer OSA054.RESNET-STUDENT.UPENN.EDU.
65.52.91.128.in-addr.arpa domain name pointer OSA055.RESNET-STUDENT.UPENN.EDU.
66.52.91.128.in-addr.arpa domain name pointer OSA056.RESNET-STUDENT.UPENN.EDU.
67.52.91.128.in-addr.arpa domain name pointer OSA057.RESNET-STUDENT.UPENN.EDU.
68.52.91.128.in-addr.arpa domain name pointer OSA058.RESNET-STUDENT.UPENN.EDU.
69.52.91.128.in-addr.arpa domain name pointer OSA059.RESNET-STUDENT.UPENN.EDU.
70.52.91.128.in-addr.arpa domain name pointer OSA060.RESNET-STUDENT.UPENN.EDU.
71.52.91.128.in-addr.arpa domain name pointer OSA061.RESNET-STUDENT.UPENN.EDU.
72.52.91.128.in-addr.arpa domain name pointer OSA062.RESNET-STUDENT.UPENN.EDU.
73.52.91.128.in-addr.arpa domain name pointer OSA063.RESNET-STUDENT.UPENN.EDU.
74.52.91.128.in-addr.arpa domain name pointer OSA064.RESNET-STUDENT.UPENN.EDU.
75.52.91.128.in-addr.arpa domain name pointer OSA065.RESNET-STUDENT.UPENN.EDU.
76.52.91.128.in-addr.arpa domain name pointer OSA066.RESNET-STUDENT.UPENN.EDU.
77.52.91.128.in-addr.arpa domain name pointer OSA067.RESNET-STUDENT.UPENN.EDU.
78.52.91.128.in-addr.arpa domain name pointer OSA068.RESNET-STUDENT.UPENN.EDU.
79.52.91.128.in-addr.arpa domain name pointer OSA069.RESNET-STUDENT.UPENN.EDU.
80.52.91.128.in-addr.arpa domain name pointer OSA070.RESNET-STUDENT.UPENN.EDU.
81.52.91.128.in-addr.arpa domain name pointer OSA071.RESNET-STUDENT.UPENN.EDU.
82.52.91.128.in-addr.arpa domain name pointer OSA072.RESNET-STUDENT.UPENN.EDU.
83.52.91.128.in-addr.arpa domain name pointer OSA073.RESNET-STUDENT.UPENN.EDU.
84.52.91.128.in-addr.arpa domain name pointer OSA074.RESNET-STUDENT.UPENN.EDU.
85.52.91.128.in-addr.arpa domain name pointer OSA075.RESNET-STUDENT.UPENN.EDU.
86.52.91.128.in-addr.arpa domain name pointer OSA076.RESNET-STUDENT.UPENN.EDU.
87.52.91.128.in-addr.arpa domain name pointer OSA077.RESNET-STUDENT.UPENN.EDU.
88.52.91.128.in-addr.arpa domain name pointer OSA078.RESNET-STUDENT.UPENN.EDU.
89.52.91.128.in-addr.arpa domain name pointer OSA079.RESNET-STUDENT.UPENN.EDU.
90.52.91.128.in-addr.arpa domain name pointer OSA080.RESNET-STUDENT.UPENN.EDU.
91.52.91.128.in-addr.arpa domain name pointer OSA081.RESNET-STUDENT.UPENN.EDU.
92.52.91.128.in-addr.arpa domain name pointer OSA082.RESNET-STUDENT.UPENN.EDU.
93.52.91.128.in-addr.arpa domain name pointer OSA083.RESNET-STUDENT.UPENN.EDU.
94.52.91.128.in-addr.arpa domain name pointer OSA084.RESNET-STUDENT.UPENN.EDU.
95.52.91.128.in-addr.arpa domain name pointer OSA085.RESNET-STUDENT.UPENN.EDU.
96.52.91.128.in-addr.arpa domain name pointer OSA086.RESNET-STUDENT.UPENN.EDU.
97.52.91.128.in-addr.arpa domain name pointer OSA087.RESNET-STUDENT.UPENN.EDU.
98.52.91.128.in-addr.arpa domain name pointer OSA088.RESNET-STUDENT.UPENN.EDU.
99.52.91.128.in-addr.arpa domain name pointer OSA089.RESNET-STUDENT.UPENN.EDU.
100.52.91.128.in-addr.arpa domain name pointer OSA090.RESNET-STUDENT.UPENN.EDU.
Host 101.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 102.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 103.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 104.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 105.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 106.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 107.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 108.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 109.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 110.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 111.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 112.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 113.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 114.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 115.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 116.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 117.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 118.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 119.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 120.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 121.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 122.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 123.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 124.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 125.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
126.52.91.128.in-addr.arpa domain name pointer osaapc1.publicsafety.upenn.edu.
Host 127.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 128.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
129.52.91.128.in-addr.arpa domain name pointer WYNDMOOR.ROUTER.UPENN.EDU.
130.52.91.128.in-addr.arpa domain name pointer WYNDMOOR-SWITCH.DCCS.UPENN.EDU.
Host 131.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 132.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 133.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
134.52.91.128.in-addr.arpa domain name pointer wyndmoor-switch2.dccs.upenn.edu.
Host 135.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 136.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 137.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 138.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 139.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 140.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 141.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 142.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 143.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 144.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 145.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 146.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 147.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 148.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 149.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 150.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 151.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 152.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 153.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 154.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 155.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 156.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 157.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
158.52.91.128.in-addr.arpa domain name pointer chestnutpc21.dental.upenn.edu.
159.52.91.128.in-addr.arpa domain name pointer chestnutpc20.dental.upenn.edu.
Host 160.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
161.52.91.128.in-addr.arpa domain name pointer hp5m-ch.dental.upenn.edu.
162.52.91.128.in-addr.arpa domain name pointer chestnutpc6.dental.upenn.edu.
163.52.91.128.in-addr.arpa domain name pointer chestnutpc4.dental.upenn.edu.
164.52.91.128.in-addr.arpa domain name pointer chestnutpc2.dental.upenn.edu.
165.52.91.128.in-addr.arpa domain name pointer hp4050-ch.dental.upenn.edu.
166.52.91.128.in-addr.arpa domain name pointer chestnutpc1.dental.upenn.edu.
167.52.91.128.in-addr.arpa domain name pointer chestnutpc3.dental.upenn.edu.
168.52.91.128.in-addr.arpa domain name pointer chestnutpc5.dental.upenn.edu.
169.52.91.128.in-addr.arpa domain name pointer chestnutpc7.dental.upenn.edu.
170.52.91.128.in-addr.arpa domain name pointer chestnutpc8.dental.upenn.edu.
171.52.91.128.in-addr.arpa domain name pointer chestnutpc10.dental.upenn.edu.
Host 172.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 173.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 174.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 175.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 176.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 177.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 178.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 179.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
180.52.91.128.in-addr.arpa domain name pointer chestnutpc19.DENTAL.UPENN.EDU.
Host 181.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 182.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 183.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 184.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 185.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 186.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 187.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 188.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 189.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 190.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 191.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 192.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
193.52.91.128.in-addr.arpa domain name pointer pob-gw.upenn.edu.
Host 194.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 195.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 196.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 197.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 198.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 199.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 200.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 201.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 202.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 203.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 204.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 205.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 206.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 207.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 208.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 209.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 210.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 211.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 212.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 213.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 214.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 215.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 216.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 217.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 218.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 219.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 220.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 221.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 222.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 223.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 224.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 225.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 226.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 227.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 228.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 229.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 230.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 231.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 232.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 233.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 234.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 235.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 236.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 237.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 238.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 239.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 240.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 241.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 242.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 243.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 244.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 245.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 246.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 247.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 248.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 249.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 250.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 251.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 252.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 253.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 254.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 255.52.91.128.in-addr.arpa not found: 3(NXDOMAIN)