Host 0.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 1.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 2.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 3.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 4.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 5.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 6.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 7.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 8.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 9.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 10.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 11.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 12.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 13.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 14.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 15.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 16.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 17.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 18.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 19.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 20.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 21.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 22.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 23.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 24.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 25.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 26.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 27.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 28.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 29.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 30.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 31.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 32.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 33.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 34.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 35.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 36.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 37.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 38.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 39.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 40.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 41.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 42.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 43.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 44.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 45.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 46.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 47.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 48.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 49.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
50.129.59.128.in-addr.arpa domain name pointer dynamic-129-50.dyn.columbia.edu.
51.129.59.128.in-addr.arpa domain name pointer dynamic-129-51.dyn.columbia.edu.
52.129.59.128.in-addr.arpa domain name pointer dynamic-129-52.dyn.columbia.edu.
53.129.59.128.in-addr.arpa domain name pointer dynamic-129-53.dyn.columbia.edu.
54.129.59.128.in-addr.arpa domain name pointer dynamic-129-54.dyn.columbia.edu.
55.129.59.128.in-addr.arpa domain name pointer dynamic-129-55.dyn.columbia.edu.
56.129.59.128.in-addr.arpa domain name pointer dynamic-129-56.dyn.columbia.edu.
57.129.59.128.in-addr.arpa domain name pointer dynamic-129-57.dyn.columbia.edu.
58.129.59.128.in-addr.arpa domain name pointer dynamic-129-58.dyn.columbia.edu.
59.129.59.128.in-addr.arpa domain name pointer dynamic-129-59.dyn.columbia.edu.
60.129.59.128.in-addr.arpa domain name pointer dynamic-129-60.dyn.columbia.edu.
61.129.59.128.in-addr.arpa domain name pointer dynamic-129-61.dyn.columbia.edu.
62.129.59.128.in-addr.arpa domain name pointer dynamic-129-62.dyn.columbia.edu.
63.129.59.128.in-addr.arpa domain name pointer dynamic-129-63.dyn.columbia.edu.
64.129.59.128.in-addr.arpa domain name pointer dynamic-129-64.dyn.columbia.edu.
65.129.59.128.in-addr.arpa domain name pointer dynamic-129-65.dyn.columbia.edu.
66.129.59.128.in-addr.arpa domain name pointer dynamic-129-66.dyn.columbia.edu.
67.129.59.128.in-addr.arpa domain name pointer dynamic-129-67.dyn.columbia.edu.
68.129.59.128.in-addr.arpa domain name pointer dynamic-129-68.dyn.columbia.edu.
69.129.59.128.in-addr.arpa domain name pointer dynamic-129-69.dyn.columbia.edu.
70.129.59.128.in-addr.arpa domain name pointer dynamic-129-70.dyn.columbia.edu.
71.129.59.128.in-addr.arpa domain name pointer dynamic-129-71.dyn.columbia.edu.
72.129.59.128.in-addr.arpa domain name pointer dynamic-129-72.dyn.columbia.edu.
73.129.59.128.in-addr.arpa domain name pointer dynamic-129-73.dyn.columbia.edu.
74.129.59.128.in-addr.arpa domain name pointer dynamic-129-74.dyn.columbia.edu.
75.129.59.128.in-addr.arpa domain name pointer dynamic-129-75.dyn.columbia.edu.
76.129.59.128.in-addr.arpa domain name pointer dynamic-129-76.dyn.columbia.edu.
77.129.59.128.in-addr.arpa domain name pointer dynamic-129-77.dyn.columbia.edu.
78.129.59.128.in-addr.arpa domain name pointer dynamic-129-78.dyn.columbia.edu.
79.129.59.128.in-addr.arpa domain name pointer dynamic-129-79.dyn.columbia.edu.
80.129.59.128.in-addr.arpa domain name pointer dynamic-129-80.dyn.columbia.edu.
81.129.59.128.in-addr.arpa domain name pointer dynamic-129-81.dyn.columbia.edu.
82.129.59.128.in-addr.arpa domain name pointer dynamic-129-82.dyn.columbia.edu.
83.129.59.128.in-addr.arpa domain name pointer dynamic-129-83.dyn.columbia.edu.
84.129.59.128.in-addr.arpa domain name pointer dynamic-129-84.dyn.columbia.edu.
85.129.59.128.in-addr.arpa domain name pointer dynamic-129-85.dyn.columbia.edu.
86.129.59.128.in-addr.arpa domain name pointer dynamic-129-86.dyn.columbia.edu.
87.129.59.128.in-addr.arpa domain name pointer dynamic-129-87.dyn.columbia.edu.
88.129.59.128.in-addr.arpa domain name pointer dynamic-129-88.dyn.columbia.edu.
89.129.59.128.in-addr.arpa domain name pointer dynamic-129-89.dyn.columbia.edu.
90.129.59.128.in-addr.arpa domain name pointer dynamic-129-90.dyn.columbia.edu.
91.129.59.128.in-addr.arpa domain name pointer dynamic-129-91.dyn.columbia.edu.
92.129.59.128.in-addr.arpa domain name pointer dynamic-129-92.dyn.columbia.edu.
93.129.59.128.in-addr.arpa domain name pointer dynamic-129-93.dyn.columbia.edu.
94.129.59.128.in-addr.arpa domain name pointer dynamic-129-94.dyn.columbia.edu.
95.129.59.128.in-addr.arpa domain name pointer dynamic-129-95.dyn.columbia.edu.
96.129.59.128.in-addr.arpa domain name pointer dynamic-129-96.dyn.columbia.edu.
97.129.59.128.in-addr.arpa domain name pointer dynamic-129-97.dyn.columbia.edu.
98.129.59.128.in-addr.arpa domain name pointer dynamic-129-98.dyn.columbia.edu.
99.129.59.128.in-addr.arpa domain name pointer dynamic-129-99.dyn.columbia.edu.
100.129.59.128.in-addr.arpa domain name pointer dynamic-129-100.dyn.columbia.edu.
101.129.59.128.in-addr.arpa domain name pointer dynamic-129-101.dyn.columbia.edu.
102.129.59.128.in-addr.arpa domain name pointer dynamic-129-102.dyn.columbia.edu.
103.129.59.128.in-addr.arpa domain name pointer dynamic-129-103.dyn.columbia.edu.
104.129.59.128.in-addr.arpa domain name pointer dynamic-129-104.dyn.columbia.edu.
105.129.59.128.in-addr.arpa domain name pointer dynamic-129-105.dyn.columbia.edu.
106.129.59.128.in-addr.arpa domain name pointer dynamic-129-106.dyn.columbia.edu.
107.129.59.128.in-addr.arpa domain name pointer dynamic-129-107.dyn.columbia.edu.
108.129.59.128.in-addr.arpa domain name pointer dynamic-129-108.dyn.columbia.edu.
109.129.59.128.in-addr.arpa domain name pointer dynamic-129-109.dyn.columbia.edu.
110.129.59.128.in-addr.arpa domain name pointer dynamic-129-110.dyn.columbia.edu.
111.129.59.128.in-addr.arpa domain name pointer dynamic-129-111.dyn.columbia.edu.
112.129.59.128.in-addr.arpa domain name pointer dynamic-129-112.dyn.columbia.edu.
113.129.59.128.in-addr.arpa domain name pointer dynamic-129-113.dyn.columbia.edu.
114.129.59.128.in-addr.arpa domain name pointer dynamic-129-114.dyn.columbia.edu.
115.129.59.128.in-addr.arpa domain name pointer dynamic-129-115.dyn.columbia.edu.
116.129.59.128.in-addr.arpa domain name pointer dynamic-129-116.dyn.columbia.edu.
117.129.59.128.in-addr.arpa domain name pointer dynamic-129-117.dyn.columbia.edu.
118.129.59.128.in-addr.arpa domain name pointer dynamic-129-118.dyn.columbia.edu.
119.129.59.128.in-addr.arpa domain name pointer dynamic-129-119.dyn.columbia.edu.
120.129.59.128.in-addr.arpa domain name pointer dynamic-129-120.dyn.columbia.edu.
121.129.59.128.in-addr.arpa domain name pointer dynamic-129-121.dyn.columbia.edu.
122.129.59.128.in-addr.arpa domain name pointer dynamic-129-122.dyn.columbia.edu.
123.129.59.128.in-addr.arpa domain name pointer dynamic-129-123.dyn.columbia.edu.
124.129.59.128.in-addr.arpa domain name pointer dynamic-129-124.dyn.columbia.edu.
125.129.59.128.in-addr.arpa domain name pointer dynamic-129-125.dyn.columbia.edu.
126.129.59.128.in-addr.arpa domain name pointer dynamic-129-126.dyn.columbia.edu.
127.129.59.128.in-addr.arpa domain name pointer dynamic-129-127.dyn.columbia.edu.
128.129.59.128.in-addr.arpa domain name pointer dynamic-129-128.dyn.columbia.edu.
129.129.59.128.in-addr.arpa domain name pointer dynamic-129-129.dyn.columbia.edu.
130.129.59.128.in-addr.arpa domain name pointer dynamic-129-130.dyn.columbia.edu.
131.129.59.128.in-addr.arpa domain name pointer dynamic-129-131.dyn.columbia.edu.
132.129.59.128.in-addr.arpa domain name pointer dynamic-129-132.dyn.columbia.edu.
133.129.59.128.in-addr.arpa domain name pointer dynamic-129-133.dyn.columbia.edu.
134.129.59.128.in-addr.arpa domain name pointer dynamic-129-134.dyn.columbia.edu.
135.129.59.128.in-addr.arpa domain name pointer dynamic-129-135.dyn.columbia.edu.
136.129.59.128.in-addr.arpa domain name pointer dynamic-129-136.dyn.columbia.edu.
137.129.59.128.in-addr.arpa domain name pointer dynamic-129-137.dyn.columbia.edu.
138.129.59.128.in-addr.arpa domain name pointer dynamic-129-138.dyn.columbia.edu.
139.129.59.128.in-addr.arpa domain name pointer dynamic-129-139.dyn.columbia.edu.
140.129.59.128.in-addr.arpa domain name pointer dynamic-129-140.dyn.columbia.edu.
141.129.59.128.in-addr.arpa domain name pointer dynamic-129-141.dyn.columbia.edu.
142.129.59.128.in-addr.arpa domain name pointer dynamic-129-142.dyn.columbia.edu.
143.129.59.128.in-addr.arpa domain name pointer dynamic-129-143.dyn.columbia.edu.
144.129.59.128.in-addr.arpa domain name pointer dynamic-129-144.dyn.columbia.edu.
145.129.59.128.in-addr.arpa domain name pointer dynamic-129-145.dyn.columbia.edu.
146.129.59.128.in-addr.arpa domain name pointer dynamic-129-146.dyn.columbia.edu.
147.129.59.128.in-addr.arpa domain name pointer dynamic-129-147.dyn.columbia.edu.
148.129.59.128.in-addr.arpa domain name pointer dynamic-129-148.dyn.columbia.edu.
149.129.59.128.in-addr.arpa domain name pointer dynamic-129-149.dyn.columbia.edu.
150.129.59.128.in-addr.arpa domain name pointer dynamic-129-150.dyn.columbia.edu.
151.129.59.128.in-addr.arpa domain name pointer dynamic-129-151.dyn.columbia.edu.
152.129.59.128.in-addr.arpa domain name pointer dynamic-129-152.dyn.columbia.edu.
153.129.59.128.in-addr.arpa domain name pointer dynamic-129-153.dyn.columbia.edu.
154.129.59.128.in-addr.arpa domain name pointer dynamic-129-154.dyn.columbia.edu.
155.129.59.128.in-addr.arpa domain name pointer dynamic-129-155.dyn.columbia.edu.
156.129.59.128.in-addr.arpa domain name pointer dynamic-129-156.dyn.columbia.edu.
157.129.59.128.in-addr.arpa domain name pointer dynamic-129-157.dyn.columbia.edu.
158.129.59.128.in-addr.arpa domain name pointer dynamic-129-158.dyn.columbia.edu.
159.129.59.128.in-addr.arpa domain name pointer dynamic-129-159.dyn.columbia.edu.
160.129.59.128.in-addr.arpa domain name pointer dynamic-129-160.dyn.columbia.edu.
161.129.59.128.in-addr.arpa domain name pointer dynamic-129-161.dyn.columbia.edu.
162.129.59.128.in-addr.arpa domain name pointer dynamic-129-162.dyn.columbia.edu.
163.129.59.128.in-addr.arpa domain name pointer dynamic-129-163.dyn.columbia.edu.
164.129.59.128.in-addr.arpa domain name pointer dynamic-129-164.dyn.columbia.edu.
165.129.59.128.in-addr.arpa domain name pointer dynamic-129-165.dyn.columbia.edu.
166.129.59.128.in-addr.arpa domain name pointer dynamic-129-166.dyn.columbia.edu.
167.129.59.128.in-addr.arpa domain name pointer dynamic-129-167.dyn.columbia.edu.
168.129.59.128.in-addr.arpa domain name pointer dynamic-129-168.dyn.columbia.edu.
169.129.59.128.in-addr.arpa domain name pointer dynamic-129-169.dyn.columbia.edu.
170.129.59.128.in-addr.arpa domain name pointer dynamic-129-170.dyn.columbia.edu.
171.129.59.128.in-addr.arpa domain name pointer dynamic-129-171.dyn.columbia.edu.
172.129.59.128.in-addr.arpa domain name pointer dynamic-129-172.dyn.columbia.edu.
173.129.59.128.in-addr.arpa domain name pointer dynamic-129-173.dyn.columbia.edu.
174.129.59.128.in-addr.arpa domain name pointer dynamic-129-174.dyn.columbia.edu.
175.129.59.128.in-addr.arpa domain name pointer dynamic-129-175.dyn.columbia.edu.
176.129.59.128.in-addr.arpa domain name pointer dynamic-129-176.dyn.columbia.edu.
177.129.59.128.in-addr.arpa domain name pointer dynamic-129-177.dyn.columbia.edu.
178.129.59.128.in-addr.arpa domain name pointer dynamic-129-178.dyn.columbia.edu.
179.129.59.128.in-addr.arpa domain name pointer dynamic-129-179.dyn.columbia.edu.
180.129.59.128.in-addr.arpa domain name pointer dynamic-129-180.dyn.columbia.edu.
181.129.59.128.in-addr.arpa domain name pointer dynamic-129-181.dyn.columbia.edu.
182.129.59.128.in-addr.arpa domain name pointer dynamic-129-182.dyn.columbia.edu.
183.129.59.128.in-addr.arpa domain name pointer dynamic-129-183.dyn.columbia.edu.
184.129.59.128.in-addr.arpa domain name pointer dynamic-129-184.dyn.columbia.edu.
185.129.59.128.in-addr.arpa domain name pointer dynamic-129-185.dyn.columbia.edu.
186.129.59.128.in-addr.arpa domain name pointer dynamic-129-186.dyn.columbia.edu.
187.129.59.128.in-addr.arpa domain name pointer dynamic-129-187.dyn.columbia.edu.
188.129.59.128.in-addr.arpa domain name pointer dynamic-129-188.dyn.columbia.edu.
189.129.59.128.in-addr.arpa domain name pointer dynamic-129-189.dyn.columbia.edu.
190.129.59.128.in-addr.arpa domain name pointer dynamic-129-190.dyn.columbia.edu.
191.129.59.128.in-addr.arpa domain name pointer dynamic-129-191.dyn.columbia.edu.
192.129.59.128.in-addr.arpa domain name pointer dynamic-129-192.dyn.columbia.edu.
193.129.59.128.in-addr.arpa domain name pointer dynamic-129-193.dyn.columbia.edu.
194.129.59.128.in-addr.arpa domain name pointer dynamic-129-194.dyn.columbia.edu.
195.129.59.128.in-addr.arpa domain name pointer dynamic-129-195.dyn.columbia.edu.
196.129.59.128.in-addr.arpa domain name pointer dynamic-129-196.dyn.columbia.edu.
197.129.59.128.in-addr.arpa domain name pointer dynamic-129-197.dyn.columbia.edu.
198.129.59.128.in-addr.arpa domain name pointer dynamic-129-198.dyn.columbia.edu.
199.129.59.128.in-addr.arpa domain name pointer dynamic-129-199.dyn.columbia.edu.
200.129.59.128.in-addr.arpa domain name pointer dynamic-129-200.dyn.columbia.edu.
201.129.59.128.in-addr.arpa domain name pointer dynamic-129-201.dyn.columbia.edu.
202.129.59.128.in-addr.arpa domain name pointer dynamic-129-202.dyn.columbia.edu.
203.129.59.128.in-addr.arpa domain name pointer dynamic-129-203.dyn.columbia.edu.
204.129.59.128.in-addr.arpa domain name pointer dynamic-129-204.dyn.columbia.edu.
205.129.59.128.in-addr.arpa domain name pointer dynamic-129-205.dyn.columbia.edu.
206.129.59.128.in-addr.arpa domain name pointer dynamic-129-206.dyn.columbia.edu.
207.129.59.128.in-addr.arpa domain name pointer dynamic-129-207.dyn.columbia.edu.
208.129.59.128.in-addr.arpa domain name pointer dynamic-129-208.dyn.columbia.edu.
209.129.59.128.in-addr.arpa domain name pointer dynamic-129-209.dyn.columbia.edu.
210.129.59.128.in-addr.arpa domain name pointer dynamic-129-210.dyn.columbia.edu.
211.129.59.128.in-addr.arpa domain name pointer dynamic-129-211.dyn.columbia.edu.
212.129.59.128.in-addr.arpa domain name pointer dynamic-129-212.dyn.columbia.edu.
213.129.59.128.in-addr.arpa domain name pointer dynamic-129-213.dyn.columbia.edu.
214.129.59.128.in-addr.arpa domain name pointer dynamic-129-214.dyn.columbia.edu.
215.129.59.128.in-addr.arpa domain name pointer dynamic-129-215.dyn.columbia.edu.
216.129.59.128.in-addr.arpa domain name pointer dynamic-129-216.dyn.columbia.edu.
217.129.59.128.in-addr.arpa domain name pointer dynamic-129-217.dyn.columbia.edu.
218.129.59.128.in-addr.arpa domain name pointer dynamic-129-218.dyn.columbia.edu.
219.129.59.128.in-addr.arpa domain name pointer dynamic-129-219.dyn.columbia.edu.
220.129.59.128.in-addr.arpa domain name pointer dynamic-129-220.dyn.columbia.edu.
221.129.59.128.in-addr.arpa domain name pointer dynamic-129-221.dyn.columbia.edu.
222.129.59.128.in-addr.arpa domain name pointer dynamic-129-222.dyn.columbia.edu.
223.129.59.128.in-addr.arpa domain name pointer dynamic-129-223.dyn.columbia.edu.
224.129.59.128.in-addr.arpa domain name pointer dynamic-129-224.dyn.columbia.edu.
225.129.59.128.in-addr.arpa domain name pointer dynamic-129-225.dyn.columbia.edu.
226.129.59.128.in-addr.arpa domain name pointer dynamic-129-226.dyn.columbia.edu.
227.129.59.128.in-addr.arpa domain name pointer dynamic-129-227.dyn.columbia.edu.
228.129.59.128.in-addr.arpa domain name pointer dynamic-129-228.dyn.columbia.edu.
229.129.59.128.in-addr.arpa domain name pointer dynamic-129-229.dyn.columbia.edu.
230.129.59.128.in-addr.arpa domain name pointer dynamic-129-230.dyn.columbia.edu.
231.129.59.128.in-addr.arpa domain name pointer dynamic-129-231.dyn.columbia.edu.
232.129.59.128.in-addr.arpa domain name pointer dynamic-129-232.dyn.columbia.edu.
233.129.59.128.in-addr.arpa domain name pointer dynamic-129-233.dyn.columbia.edu.
234.129.59.128.in-addr.arpa domain name pointer dynamic-129-234.dyn.columbia.edu.
235.129.59.128.in-addr.arpa domain name pointer dynamic-129-235.dyn.columbia.edu.
236.129.59.128.in-addr.arpa domain name pointer dynamic-129-236.dyn.columbia.edu.
237.129.59.128.in-addr.arpa domain name pointer dynamic-129-237.dyn.columbia.edu.
238.129.59.128.in-addr.arpa domain name pointer dynamic-129-238.dyn.columbia.edu.
239.129.59.128.in-addr.arpa domain name pointer dynamic-129-239.dyn.columbia.edu.
240.129.59.128.in-addr.arpa domain name pointer dynamic-129-240.dyn.columbia.edu.
241.129.59.128.in-addr.arpa domain name pointer dynamic-129-241.dyn.columbia.edu.
242.129.59.128.in-addr.arpa domain name pointer dynamic-129-242.dyn.columbia.edu.
243.129.59.128.in-addr.arpa domain name pointer dynamic-129-243.dyn.columbia.edu.
244.129.59.128.in-addr.arpa domain name pointer dynamic-129-244.dyn.columbia.edu.
245.129.59.128.in-addr.arpa domain name pointer dynamic-129-245.dyn.columbia.edu.
246.129.59.128.in-addr.arpa domain name pointer dynamic-129-246.dyn.columbia.edu.
247.129.59.128.in-addr.arpa domain name pointer dynamic-129-247.dyn.columbia.edu.
248.129.59.128.in-addr.arpa domain name pointer dynamic-129-248.dyn.columbia.edu.
249.129.59.128.in-addr.arpa domain name pointer dynamic-129-249.dyn.columbia.edu.
250.129.59.128.in-addr.arpa domain name pointer dynamic-129-250.dyn.columbia.edu.
Host 251.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 252.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 253.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 254.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 255.129.59.128.in-addr.arpa not found: 3(NXDOMAIN)