Host 0.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
1.243.2.128.in-addr.arpa domain name pointer router-0.sstn.cc.cmu.edu.
2.243.2.128.in-addr.arpa domain name pointer ns1.sstn.cc.cmu.edu.
3.243.2.128.in-addr.arpa domain name pointer ns2.sstn.cc.cmu.edu.
4.243.2.128.in-addr.arpa domain name pointer sit4.sstn.cc.cmu.edu.
5.243.2.128.in-addr.arpa domain name pointer sit5.sstn.cc.cmu.edu.
6.243.2.128.in-addr.arpa domain name pointer sit6.sstn.cc.cmu.edu.
7.243.2.128.in-addr.arpa domain name pointer sit7.sstn.cc.cmu.edu.
8.243.2.128.in-addr.arpa domain name pointer sit8.sstn.cc.cmu.edu.
9.243.2.128.in-addr.arpa domain name pointer sit9.sstn.cc.cmu.edu.
10.243.2.128.in-addr.arpa domain name pointer sit10.sstn.cc.cmu.edu.
11.243.2.128.in-addr.arpa domain name pointer sit11.sstn.cc.cmu.edu.
12.243.2.128.in-addr.arpa domain name pointer sit12.sstn.cc.cmu.edu.
13.243.2.128.in-addr.arpa domain name pointer sit13.sstn.cc.cmu.edu.
14.243.2.128.in-addr.arpa domain name pointer sit14.sstn.cc.cmu.edu.
15.243.2.128.in-addr.arpa domain name pointer sit15.sstn.cc.cmu.edu.
16.243.2.128.in-addr.arpa domain name pointer sit16.sstn.cc.cmu.edu.
17.243.2.128.in-addr.arpa domain name pointer sit17.sstn.cc.cmu.edu.
18.243.2.128.in-addr.arpa domain name pointer sit18.sstn.cc.cmu.edu.
19.243.2.128.in-addr.arpa domain name pointer sit19.sstn.cc.cmu.edu.
20.243.2.128.in-addr.arpa domain name pointer sit20.sstn.cc.cmu.edu.
21.243.2.128.in-addr.arpa domain name pointer sit21.sstn.cc.cmu.edu.
22.243.2.128.in-addr.arpa domain name pointer sit22.sstn.cc.cmu.edu.
23.243.2.128.in-addr.arpa domain name pointer sit23.sstn.cc.cmu.edu.
24.243.2.128.in-addr.arpa domain name pointer sit24.sstn.cc.cmu.edu.
25.243.2.128.in-addr.arpa domain name pointer sit25.sstn.cc.cmu.edu.
26.243.2.128.in-addr.arpa domain name pointer sit26.sstn.cc.cmu.edu.
27.243.2.128.in-addr.arpa domain name pointer sit27.sstn.cc.cmu.edu.
28.243.2.128.in-addr.arpa domain name pointer sit28.sstn.cc.cmu.edu.
29.243.2.128.in-addr.arpa domain name pointer sit29.sstn.cc.cmu.edu.
30.243.2.128.in-addr.arpa domain name pointer sit30.sstn.cc.cmu.edu.
Host 31.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 32.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
33.243.2.128.in-addr.arpa domain name pointer router.sstn.cc.cmu.edu.
34.243.2.128.in-addr.arpa domain name pointer sit34.sstn.cc.cmu.edu.
35.243.2.128.in-addr.arpa domain name pointer sit35.sstn.cc.cmu.edu.
36.243.2.128.in-addr.arpa domain name pointer sit36.sstn.cc.cmu.edu.
37.243.2.128.in-addr.arpa domain name pointer sit37.sstn.cc.cmu.edu.
38.243.2.128.in-addr.arpa domain name pointer sit38.sstn.cc.cmu.edu.
39.243.2.128.in-addr.arpa domain name pointer sit39.sstn.cc.cmu.edu.
40.243.2.128.in-addr.arpa domain name pointer sit40.sstn.cc.cmu.edu.
41.243.2.128.in-addr.arpa domain name pointer sit41.sstn.cc.cmu.edu.
42.243.2.128.in-addr.arpa domain name pointer sit42.sstn.cc.cmu.edu.
43.243.2.128.in-addr.arpa domain name pointer sit43.sstn.cc.cmu.edu.
44.243.2.128.in-addr.arpa domain name pointer sit44.sstn.cc.cmu.edu.
45.243.2.128.in-addr.arpa domain name pointer sit45.sstn.cc.cmu.edu.
46.243.2.128.in-addr.arpa domain name pointer sit46.sstn.cc.cmu.edu.
47.243.2.128.in-addr.arpa domain name pointer sit47.sstn.cc.cmu.edu.
48.243.2.128.in-addr.arpa domain name pointer sit48.sstn.cc.cmu.edu.
49.243.2.128.in-addr.arpa domain name pointer sit49.sstn.cc.cmu.edu.
50.243.2.128.in-addr.arpa domain name pointer sit50.sstn.cc.cmu.edu.
51.243.2.128.in-addr.arpa domain name pointer sit51.sstn.cc.cmu.edu.
52.243.2.128.in-addr.arpa domain name pointer sit52.sstn.cc.cmu.edu.
53.243.2.128.in-addr.arpa domain name pointer sit53.sstn.cc.cmu.edu.
54.243.2.128.in-addr.arpa domain name pointer sit54.sstn.cc.cmu.edu.
55.243.2.128.in-addr.arpa domain name pointer sit55.sstn.cc.cmu.edu.
56.243.2.128.in-addr.arpa domain name pointer sit56.sstn.cc.cmu.edu.
57.243.2.128.in-addr.arpa domain name pointer sit57.sstn.cc.cmu.edu.
58.243.2.128.in-addr.arpa domain name pointer sit58.sstn.cc.cmu.edu.
59.243.2.128.in-addr.arpa domain name pointer sit59.sstn.cc.cmu.edu.
60.243.2.128.in-addr.arpa domain name pointer sit60.sstn.cc.cmu.edu.
61.243.2.128.in-addr.arpa domain name pointer sit61.sstn.cc.cmu.edu.
62.243.2.128.in-addr.arpa domain name pointer sit62.sstn.cc.cmu.edu.
Host 63.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 64.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
65.243.2.128.in-addr.arpa domain name pointer router.sstn.cc.cmu.edu.
66.243.2.128.in-addr.arpa domain name pointer sit66.sstn.cc.cmu.edu.
67.243.2.128.in-addr.arpa domain name pointer sit67.sstn.cc.cmu.edu.
68.243.2.128.in-addr.arpa domain name pointer sit68.sstn.cc.cmu.edu.
69.243.2.128.in-addr.arpa domain name pointer sit69.sstn.cc.cmu.edu.
70.243.2.128.in-addr.arpa domain name pointer sit70.sstn.cc.cmu.edu.
71.243.2.128.in-addr.arpa domain name pointer sit71.sstn.cc.cmu.edu.
72.243.2.128.in-addr.arpa domain name pointer sit72.sstn.cc.cmu.edu.
73.243.2.128.in-addr.arpa domain name pointer sit73.sstn.cc.cmu.edu.
74.243.2.128.in-addr.arpa domain name pointer sit74.sstn.cc.cmu.edu.
75.243.2.128.in-addr.arpa domain name pointer sit75.sstn.cc.cmu.edu.
76.243.2.128.in-addr.arpa domain name pointer sit76.sstn.cc.cmu.edu.
77.243.2.128.in-addr.arpa domain name pointer sit77.sstn.cc.cmu.edu.
78.243.2.128.in-addr.arpa domain name pointer sit78.sstn.cc.cmu.edu.
79.243.2.128.in-addr.arpa domain name pointer sit79.sstn.cc.cmu.edu.
80.243.2.128.in-addr.arpa domain name pointer sit80.sstn.cc.cmu.edu.
81.243.2.128.in-addr.arpa domain name pointer sit81.sstn.cc.cmu.edu.
82.243.2.128.in-addr.arpa domain name pointer sit82.sstn.cc.cmu.edu.
83.243.2.128.in-addr.arpa domain name pointer sit83.sstn.cc.cmu.edu.
84.243.2.128.in-addr.arpa domain name pointer sit84.sstn.cc.cmu.edu.
85.243.2.128.in-addr.arpa domain name pointer sit85.sstn.cc.cmu.edu.
86.243.2.128.in-addr.arpa domain name pointer sit86.sstn.cc.cmu.edu.
87.243.2.128.in-addr.arpa domain name pointer sit87.sstn.cc.cmu.edu.
88.243.2.128.in-addr.arpa domain name pointer sit88.sstn.cc.cmu.edu.
89.243.2.128.in-addr.arpa domain name pointer sit89.sstn.cc.cmu.edu.
90.243.2.128.in-addr.arpa domain name pointer sit90.sstn.cc.cmu.edu.
91.243.2.128.in-addr.arpa domain name pointer sit91.sstn.cc.cmu.edu.
92.243.2.128.in-addr.arpa domain name pointer sit92.sstn.cc.cmu.edu.
93.243.2.128.in-addr.arpa domain name pointer sit93.sstn.cc.cmu.edu.
94.243.2.128.in-addr.arpa domain name pointer sit94.sstn.cc.cmu.edu.
Host 95.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 96.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
97.243.2.128.in-addr.arpa domain name pointer router.sstn.cc.cmu.edu.
98.243.2.128.in-addr.arpa domain name pointer sit98.sstn.cc.cmu.edu.
99.243.2.128.in-addr.arpa domain name pointer sit99.sstn.cc.cmu.edu.
100.243.2.128.in-addr.arpa domain name pointer sit100.sstn.cc.cmu.edu.
101.243.2.128.in-addr.arpa domain name pointer sit101.sstn.cc.cmu.edu.
102.243.2.128.in-addr.arpa domain name pointer sit102.sstn.cc.cmu.edu.
103.243.2.128.in-addr.arpa domain name pointer sit103.sstn.cc.cmu.edu.
104.243.2.128.in-addr.arpa domain name pointer sit104.sstn.cc.cmu.edu.
105.243.2.128.in-addr.arpa domain name pointer sit105.sstn.cc.cmu.edu.
106.243.2.128.in-addr.arpa domain name pointer sit106.sstn.cc.cmu.edu.
107.243.2.128.in-addr.arpa domain name pointer sit107.sstn.cc.cmu.edu.
108.243.2.128.in-addr.arpa domain name pointer sit108.sstn.cc.cmu.edu.
109.243.2.128.in-addr.arpa domain name pointer sit109.sstn.cc.cmu.edu.
110.243.2.128.in-addr.arpa domain name pointer sit110.sstn.cc.cmu.edu.
111.243.2.128.in-addr.arpa domain name pointer sit111.sstn.cc.cmu.edu.
112.243.2.128.in-addr.arpa domain name pointer sit112.sstn.cc.cmu.edu.
113.243.2.128.in-addr.arpa domain name pointer sit113.sstn.cc.cmu.edu.
114.243.2.128.in-addr.arpa domain name pointer sit114.sstn.cc.cmu.edu.
115.243.2.128.in-addr.arpa domain name pointer sit115.sstn.cc.cmu.edu.
116.243.2.128.in-addr.arpa domain name pointer sit116.sstn.cc.cmu.edu.
117.243.2.128.in-addr.arpa domain name pointer sit117.sstn.cc.cmu.edu.
118.243.2.128.in-addr.arpa domain name pointer sit118.sstn.cc.cmu.edu.
119.243.2.128.in-addr.arpa domain name pointer sit119.sstn.cc.cmu.edu.
120.243.2.128.in-addr.arpa domain name pointer sit120.sstn.cc.cmu.edu.
121.243.2.128.in-addr.arpa domain name pointer sit121.sstn.cc.cmu.edu.
122.243.2.128.in-addr.arpa domain name pointer sit122.sstn.cc.cmu.edu.
123.243.2.128.in-addr.arpa domain name pointer sit123.sstn.cc.cmu.edu.
124.243.2.128.in-addr.arpa domain name pointer sit124.sstn.cc.cmu.edu.
125.243.2.128.in-addr.arpa domain name pointer sit125.sstn.cc.cmu.edu.
126.243.2.128.in-addr.arpa domain name pointer sit126.sstn.cc.cmu.edu.
Host 127.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 128.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
129.243.2.128.in-addr.arpa domain name pointer router-128.sstn.cc.cmu.edu.
130.243.2.128.in-addr.arpa domain name pointer sit130.sstn.cc.cmu.edu.
131.243.2.128.in-addr.arpa domain name pointer sit131.sstn.cc.cmu.edu.
132.243.2.128.in-addr.arpa domain name pointer sit132.sstn.cc.cmu.edu.
133.243.2.128.in-addr.arpa domain name pointer sit133.sstn.cc.cmu.edu.
134.243.2.128.in-addr.arpa domain name pointer sit134.sstn.cc.cmu.edu.
135.243.2.128.in-addr.arpa domain name pointer sit135.sstn.cc.cmu.edu.
136.243.2.128.in-addr.arpa domain name pointer sit136.sstn.cc.cmu.edu.
137.243.2.128.in-addr.arpa domain name pointer sit137.sstn.cc.cmu.edu.
138.243.2.128.in-addr.arpa domain name pointer sit138.sstn.cc.cmu.edu.
139.243.2.128.in-addr.arpa domain name pointer sit139.sstn.cc.cmu.edu.
140.243.2.128.in-addr.arpa domain name pointer sit140.sstn.cc.cmu.edu.
141.243.2.128.in-addr.arpa domain name pointer sit141.sstn.cc.cmu.edu.
142.243.2.128.in-addr.arpa domain name pointer sit142.sstn.cc.cmu.edu.
143.243.2.128.in-addr.arpa domain name pointer sit143.sstn.cc.cmu.edu.
144.243.2.128.in-addr.arpa domain name pointer sit144.sstn.cc.cmu.edu.
145.243.2.128.in-addr.arpa domain name pointer sit145.sstn.cc.cmu.edu.
146.243.2.128.in-addr.arpa domain name pointer sit146.sstn.cc.cmu.edu.
147.243.2.128.in-addr.arpa domain name pointer sit147.sstn.cc.cmu.edu.
148.243.2.128.in-addr.arpa domain name pointer sit148.sstn.cc.cmu.edu.
149.243.2.128.in-addr.arpa domain name pointer sit149.sstn.cc.cmu.edu.
150.243.2.128.in-addr.arpa domain name pointer sit150.sstn.cc.cmu.edu.
151.243.2.128.in-addr.arpa domain name pointer sit151.sstn.cc.cmu.edu.
152.243.2.128.in-addr.arpa domain name pointer sit152.sstn.cc.cmu.edu.
153.243.2.128.in-addr.arpa domain name pointer sit153.sstn.cc.cmu.edu.
154.243.2.128.in-addr.arpa domain name pointer sit154.sstn.cc.cmu.edu.
155.243.2.128.in-addr.arpa domain name pointer sit155.sstn.cc.cmu.edu.
156.243.2.128.in-addr.arpa domain name pointer sit156.sstn.cc.cmu.edu.
157.243.2.128.in-addr.arpa domain name pointer sit157.sstn.cc.cmu.edu.
158.243.2.128.in-addr.arpa domain name pointer sit158.sstn.cc.cmu.edu.
Host 159.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 160.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
161.243.2.128.in-addr.arpa domain name pointer router.sstn.cc.cmu.edu.
162.243.2.128.in-addr.arpa domain name pointer sit162.sstn.cc.cmu.edu.
163.243.2.128.in-addr.arpa domain name pointer sit163.sstn.cc.cmu.edu.
164.243.2.128.in-addr.arpa domain name pointer sit164.sstn.cc.cmu.edu.
165.243.2.128.in-addr.arpa domain name pointer sit165.sstn.cc.cmu.edu.
166.243.2.128.in-addr.arpa domain name pointer sit166.sstn.cc.cmu.edu.
167.243.2.128.in-addr.arpa domain name pointer sit167.sstn.cc.cmu.edu.
168.243.2.128.in-addr.arpa domain name pointer sit168.sstn.cc.cmu.edu.
169.243.2.128.in-addr.arpa domain name pointer sit169.sstn.cc.cmu.edu.
170.243.2.128.in-addr.arpa domain name pointer sit170.sstn.cc.cmu.edu.
171.243.2.128.in-addr.arpa domain name pointer sit171.sstn.cc.cmu.edu.
172.243.2.128.in-addr.arpa domain name pointer sit172.sstn.cc.cmu.edu.
173.243.2.128.in-addr.arpa domain name pointer sit173.sstn.cc.cmu.edu.
174.243.2.128.in-addr.arpa domain name pointer sit174.sstn.cc.cmu.edu.
175.243.2.128.in-addr.arpa domain name pointer sit175.sstn.cc.cmu.edu.
176.243.2.128.in-addr.arpa domain name pointer sit176.sstn.cc.cmu.edu.
177.243.2.128.in-addr.arpa domain name pointer sit177.sstn.cc.cmu.edu.
178.243.2.128.in-addr.arpa domain name pointer sit178.sstn.cc.cmu.edu.
179.243.2.128.in-addr.arpa domain name pointer sit179.sstn.cc.cmu.edu.
180.243.2.128.in-addr.arpa domain name pointer sit180.sstn.cc.cmu.edu.
181.243.2.128.in-addr.arpa domain name pointer sit181.sstn.cc.cmu.edu.
182.243.2.128.in-addr.arpa domain name pointer sit182.sstn.cc.cmu.edu.
183.243.2.128.in-addr.arpa domain name pointer sit183.sstn.cc.cmu.edu.
184.243.2.128.in-addr.arpa domain name pointer sit184.sstn.cc.cmu.edu.
185.243.2.128.in-addr.arpa domain name pointer sit185.sstn.cc.cmu.edu.
186.243.2.128.in-addr.arpa domain name pointer sit186.sstn.cc.cmu.edu.
187.243.2.128.in-addr.arpa domain name pointer sit187.sstn.cc.cmu.edu.
188.243.2.128.in-addr.arpa domain name pointer sit188.sstn.cc.cmu.edu.
189.243.2.128.in-addr.arpa domain name pointer sit189.sstn.cc.cmu.edu.
190.243.2.128.in-addr.arpa domain name pointer sit190.sstn.cc.cmu.edu.
Host 191.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 192.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
193.243.2.128.in-addr.arpa domain name pointer router.sstn.cc.cmu.edu.
194.243.2.128.in-addr.arpa domain name pointer sit194.sstn.cc.cmu.edu.
195.243.2.128.in-addr.arpa domain name pointer sit195.sstn.cc.cmu.edu.
196.243.2.128.in-addr.arpa domain name pointer sit196.sstn.cc.cmu.edu.
197.243.2.128.in-addr.arpa domain name pointer sit197.sstn.cc.cmu.edu.
198.243.2.128.in-addr.arpa domain name pointer sit198.sstn.cc.cmu.edu.
199.243.2.128.in-addr.arpa domain name pointer sit199.sstn.cc.cmu.edu.
200.243.2.128.in-addr.arpa domain name pointer sit200.sstn.cc.cmu.edu.
201.243.2.128.in-addr.arpa domain name pointer sit201.sstn.cc.cmu.edu.
202.243.2.128.in-addr.arpa domain name pointer sit202.sstn.cc.cmu.edu.
203.243.2.128.in-addr.arpa domain name pointer sit203.sstn.cc.cmu.edu.
204.243.2.128.in-addr.arpa domain name pointer sit204.sstn.cc.cmu.edu.
205.243.2.128.in-addr.arpa domain name pointer sit205.sstn.cc.cmu.edu.
206.243.2.128.in-addr.arpa domain name pointer sit206.sstn.cc.cmu.edu.
207.243.2.128.in-addr.arpa domain name pointer sit207.sstn.cc.cmu.edu.
208.243.2.128.in-addr.arpa domain name pointer sit208.sstn.cc.cmu.edu.
209.243.2.128.in-addr.arpa domain name pointer sit209.sstn.cc.cmu.edu.
210.243.2.128.in-addr.arpa domain name pointer sit210.sstn.cc.cmu.edu.
211.243.2.128.in-addr.arpa domain name pointer sit211.sstn.cc.cmu.edu.
212.243.2.128.in-addr.arpa domain name pointer sit212.sstn.cc.cmu.edu.
213.243.2.128.in-addr.arpa domain name pointer sit213.sstn.cc.cmu.edu.
214.243.2.128.in-addr.arpa domain name pointer sit214.sstn.cc.cmu.edu.
215.243.2.128.in-addr.arpa domain name pointer sit215.sstn.cc.cmu.edu.
216.243.2.128.in-addr.arpa domain name pointer sit216.sstn.cc.cmu.edu.
217.243.2.128.in-addr.arpa domain name pointer sit217.sstn.cc.cmu.edu.
218.243.2.128.in-addr.arpa domain name pointer sit218.sstn.cc.cmu.edu.
219.243.2.128.in-addr.arpa domain name pointer sit219.sstn.cc.cmu.edu.
220.243.2.128.in-addr.arpa domain name pointer sit220.sstn.cc.cmu.edu.
221.243.2.128.in-addr.arpa domain name pointer sit221.sstn.cc.cmu.edu.
222.243.2.128.in-addr.arpa domain name pointer sit222.sstn.cc.cmu.edu.
Host 223.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 224.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)
225.243.2.128.in-addr.arpa domain name pointer router.sstn.cc.cmu.edu.
226.243.2.128.in-addr.arpa domain name pointer sit226.sstn.cc.cmu.edu.
227.243.2.128.in-addr.arpa domain name pointer sit227.sstn.cc.cmu.edu.
228.243.2.128.in-addr.arpa domain name pointer sit228.sstn.cc.cmu.edu.
229.243.2.128.in-addr.arpa domain name pointer sit229.sstn.cc.cmu.edu.
230.243.2.128.in-addr.arpa domain name pointer sit230.sstn.cc.cmu.edu.
231.243.2.128.in-addr.arpa domain name pointer sit231.sstn.cc.cmu.edu.
232.243.2.128.in-addr.arpa domain name pointer sit232.sstn.cc.cmu.edu.
233.243.2.128.in-addr.arpa domain name pointer sit233.sstn.cc.cmu.edu.
234.243.2.128.in-addr.arpa domain name pointer sit234.sstn.cc.cmu.edu.
235.243.2.128.in-addr.arpa domain name pointer sit235.sstn.cc.cmu.edu.
236.243.2.128.in-addr.arpa domain name pointer sit236.sstn.cc.cmu.edu.
237.243.2.128.in-addr.arpa domain name pointer sit237.sstn.cc.cmu.edu.
238.243.2.128.in-addr.arpa domain name pointer sit238.sstn.cc.cmu.edu.
239.243.2.128.in-addr.arpa domain name pointer sit239.sstn.cc.cmu.edu.
240.243.2.128.in-addr.arpa domain name pointer sit240.sstn.cc.cmu.edu.
241.243.2.128.in-addr.arpa domain name pointer sit241.sstn.cc.cmu.edu.
242.243.2.128.in-addr.arpa domain name pointer sit242.sstn.cc.cmu.edu.
243.243.2.128.in-addr.arpa domain name pointer sit243.sstn.cc.cmu.edu.
244.243.2.128.in-addr.arpa domain name pointer sit244.sstn.cc.cmu.edu.
245.243.2.128.in-addr.arpa domain name pointer sit245.sstn.cc.cmu.edu.
246.243.2.128.in-addr.arpa domain name pointer sit246.sstn.cc.cmu.edu.
247.243.2.128.in-addr.arpa domain name pointer sit247.sstn.cc.cmu.edu.
248.243.2.128.in-addr.arpa domain name pointer sit248.sstn.cc.cmu.edu.
249.243.2.128.in-addr.arpa domain name pointer sit249.sstn.cc.cmu.edu.
250.243.2.128.in-addr.arpa domain name pointer sit250.sstn.cc.cmu.edu.
251.243.2.128.in-addr.arpa domain name pointer sit251.sstn.cc.cmu.edu.
252.243.2.128.in-addr.arpa domain name pointer sit252.sstn.cc.cmu.edu.
253.243.2.128.in-addr.arpa domain name pointer sit253.sstn.cc.cmu.edu.
254.243.2.128.in-addr.arpa domain name pointer sit254.sstn.cc.cmu.edu.
Host 255.243.2.128.in-addr.arpa not found: 3(NXDOMAIN)