Host 0.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
3.251.232.128.in-addr.arpa domain name pointer pcjohf03.joh.pwf.cam.ac.uk.
4.251.232.128.in-addr.arpa domain name pointer pcjohf04.joh.pwf.cam.ac.uk.
5.251.232.128.in-addr.arpa domain name pointer pcjohf05.joh.pwf.cam.ac.uk.
6.251.232.128.in-addr.arpa domain name pointer pcjohf06.joh.pwf.cam.ac.uk.
7.251.232.128.in-addr.arpa domain name pointer pcjohf07.joh.pwf.cam.ac.uk.
8.251.232.128.in-addr.arpa domain name pointer pcjohf08.joh.pwf.cam.ac.uk.
9.251.232.128.in-addr.arpa domain name pointer pcjohf09.joh.pwf.cam.ac.uk.
10.251.232.128.in-addr.arpa domain name pointer pcjohf10.joh.pwf.cam.ac.uk.
Host 11.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 12.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 13.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 14.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 15.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 16.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
17.251.232.128.in-addr.arpa domain name pointer macjohsbr01.joh.pwf.cam.ac.uk.
18.251.232.128.in-addr.arpa domain name pointer macjohjcr01.joh.pwf.cam.ac.uk.
19.251.232.128.in-addr.arpa domain name pointer macjohjcr02.joh.pwf.cam.ac.uk.
Host 20.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
21.251.232.128.in-addr.arpa domain name pointer macjohg01.joh.pwf.cam.ac.uk.
22.251.232.128.in-addr.arpa domain name pointer macjohg02.joh.pwf.cam.ac.uk.
23.251.232.128.in-addr.arpa domain name pointer macjohg03.joh.pwf.cam.ac.uk.
Host 24.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 25.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 26.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 27.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 28.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 29.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 30.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
31.251.232.128.in-addr.arpa domain name pointer pcjohm01.joh.pwf.cam.ac.uk.
32.251.232.128.in-addr.arpa domain name pointer pcjohm02.joh.pwf.cam.ac.uk.
33.251.232.128.in-addr.arpa domain name pointer pcjohm03.joh.pwf.cam.ac.uk.
34.251.232.128.in-addr.arpa domain name pointer pcjohm04.joh.pwf.cam.ac.uk.
35.251.232.128.in-addr.arpa domain name pointer pcjohm05.joh.pwf.cam.ac.uk.
36.251.232.128.in-addr.arpa domain name pointer pcjohm06.joh.pwf.cam.ac.uk.
37.251.232.128.in-addr.arpa domain name pointer pcjohm07.joh.pwf.cam.ac.uk.
38.251.232.128.in-addr.arpa domain name pointer pcjohm08.joh.pwf.cam.ac.uk.
39.251.232.128.in-addr.arpa domain name pointer pcjohm09.joh.pwf.cam.ac.uk.
40.251.232.128.in-addr.arpa domain name pointer pcjohm10.joh.pwf.cam.ac.uk.
41.251.232.128.in-addr.arpa domain name pointer pcjohm11.joh.pwf.cam.ac.uk.
Host 42.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 43.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 44.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 45.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
46.251.232.128.in-addr.arpa domain name pointer macjohm05.joh.pwf.cam.ac.uk.
47.251.232.128.in-addr.arpa domain name pointer macjohm04.joh.pwf.cam.ac.uk.
48.251.232.128.in-addr.arpa domain name pointer macjohm03.joh.pwf.cam.ac.uk.
49.251.232.128.in-addr.arpa domain name pointer macjohm02.joh.pwf.cam.ac.uk.
50.251.232.128.in-addr.arpa domain name pointer macjohm01.joh.pwf.cam.ac.uk.
51.251.232.128.in-addr.arpa domain name pointer pcjoh101.joh.pwf.cam.ac.uk.
52.251.232.128.in-addr.arpa domain name pointer pcjoh102.joh.pwf.cam.ac.uk.
53.251.232.128.in-addr.arpa domain name pointer pcjoh103.joh.pwf.cam.ac.uk.
54.251.232.128.in-addr.arpa domain name pointer pcjoh104.joh.pwf.cam.ac.uk.
55.251.232.128.in-addr.arpa domain name pointer pcjoh105.joh.pwf.cam.ac.uk.
56.251.232.128.in-addr.arpa domain name pointer pcjoh106.joh.pwf.cam.ac.uk.
Host 57.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 58.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 59.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
60.251.232.128.in-addr.arpa domain name pointer macjoh101.joh.pwf.cam.ac.uk.
Host 61.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
62.251.232.128.in-addr.arpa domain name pointer route-north-3.cam.ac.uk.
Host 63.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 64.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 65.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 66.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 67.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 68.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 69.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 70.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
71.251.232.128.in-addr.arpa domain name pointer pcjoh201.joh.pwf.cam.ac.uk.
72.251.232.128.in-addr.arpa domain name pointer pcjoh202.joh.pwf.cam.ac.uk.
73.251.232.128.in-addr.arpa domain name pointer pcjoh203.joh.pwf.cam.ac.uk.
74.251.232.128.in-addr.arpa domain name pointer pcjoh204.joh.pwf.cam.ac.uk.
75.251.232.128.in-addr.arpa domain name pointer pcjoh205.joh.pwf.cam.ac.uk.
76.251.232.128.in-addr.arpa domain name pointer pcjoh206.joh.pwf.cam.ac.uk.
Host 77.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 78.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 79.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
80.251.232.128.in-addr.arpa domain name pointer macjoh201.joh.pwf.cam.ac.uk.
81.251.232.128.in-addr.arpa domain name pointer pcjoh301.joh.pwf.cam.ac.uk.
82.251.232.128.in-addr.arpa domain name pointer pcjoh302.joh.pwf.cam.ac.uk.
83.251.232.128.in-addr.arpa domain name pointer pcjoh303.joh.pwf.cam.ac.uk.
84.251.232.128.in-addr.arpa domain name pointer pcjoh304.joh.pwf.cam.ac.uk.
85.251.232.128.in-addr.arpa domain name pointer pcjoh305.joh.pwf.cam.ac.uk.
86.251.232.128.in-addr.arpa domain name pointer pcjoh306.joh.pwf.cam.ac.uk.
87.251.232.128.in-addr.arpa domain name pointer pcjoh307.joh.pwf.cam.ac.uk.
88.251.232.128.in-addr.arpa domain name pointer pcjoh308.joh.pwf.cam.ac.uk.
89.251.232.128.in-addr.arpa domain name pointer pcjoh309.joh.pwf.cam.ac.uk.
90.251.232.128.in-addr.arpa domain name pointer pcjoh310.joh.pwf.cam.ac.uk.
91.251.232.128.in-addr.arpa domain name pointer pcjoh311.joh.pwf.cam.ac.uk.
92.251.232.128.in-addr.arpa domain name pointer pcjoh312.joh.pwf.cam.ac.uk.
Host 93.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 94.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 95.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 96.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 97.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
98.251.232.128.in-addr.arpa domain name pointer macjoh303.joh.pwf.cam.ac.uk.
99.251.232.128.in-addr.arpa domain name pointer macjoh302.joh.pwf.cam.ac.uk.
100.251.232.128.in-addr.arpa domain name pointer macjoh301.joh.pwf.cam.ac.uk.
Host 101.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 102.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 103.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 104.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
105.251.232.128.in-addr.arpa domain name pointer qmonjoh5.joh.pwf.cam.ac.uk.
106.251.232.128.in-addr.arpa domain name pointer qmonjoh4.joh.pwf.cam.ac.uk.
107.251.232.128.in-addr.arpa domain name pointer qmonjoh3.joh.pwf.cam.ac.uk.
108.251.232.128.in-addr.arpa domain name pointer qmonjoh2.joh.pwf.cam.ac.uk.
109.251.232.128.in-addr.arpa domain name pointer qmonjoh1.joh.pwf.cam.ac.uk.
Host 110.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 111.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 112.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
113.251.232.128.in-addr.arpa domain name pointer hp1-fcr.joh.pwf.cam.ac.uk.
114.251.232.128.in-addr.arpa domain name pointer hp1-libgstnr.joh.pwf.cam.ac.uk.
115.251.232.128.in-addr.arpa domain name pointer hp1-fisher.joh.pwf.cam.ac.uk.
116.251.232.128.in-addr.arpa domain name pointer hp1-lib3rd.joh.pwf.cam.ac.uk.
117.251.232.128.in-addr.arpa domain name pointer hp1-lib2nd.joh.pwf.cam.ac.uk.
118.251.232.128.in-addr.arpa domain name pointer hp1-lib1st.joh.pwf.cam.ac.uk.
119.251.232.128.in-addr.arpa domain name pointer hp1-libmezz.joh.pwf.cam.ac.uk.
120.251.232.128.in-addr.arpa domain name pointer pcjohad1.joh.pwf.cam.ac.uk.
121.251.232.128.in-addr.arpa domain name pointer srvr-1.joh.pwf.cam.ac.uk.
Host 122.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 123.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 124.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 125.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 126.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 127.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 128.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
129.251.232.128.in-addr.arpa domain name pointer pctrinad01.trin.pwf.cam.ac.uk.
130.251.232.128.in-addr.arpa domain name pointer pctrinad02.trin.pwf.cam.ac.uk.
131.251.232.128.in-addr.arpa domain name pointer pctrinnc01.trin.pwf.cam.ac.uk.
132.251.232.128.in-addr.arpa domain name pointer pctrinnc02.trin.pwf.cam.ac.uk.
133.251.232.128.in-addr.arpa domain name pointer pctrinnc03.trin.pwf.cam.ac.uk.
134.251.232.128.in-addr.arpa domain name pointer pctrinnc04.trin.pwf.cam.ac.uk.
135.251.232.128.in-addr.arpa domain name pointer pctrinnc05.trin.pwf.cam.ac.uk.
136.251.232.128.in-addr.arpa domain name pointer pctrinnc06.trin.pwf.cam.ac.uk.
137.251.232.128.in-addr.arpa domain name pointer pctrinnc07.trin.pwf.cam.ac.uk.
138.251.232.128.in-addr.arpa domain name pointer pctrinnc08.trin.pwf.cam.ac.uk.
139.251.232.128.in-addr.arpa domain name pointer pctrinnc09.trin.pwf.cam.ac.uk.
140.251.232.128.in-addr.arpa domain name pointer pctrinnc10.trin.pwf.cam.ac.uk.
141.251.232.128.in-addr.arpa domain name pointer pctrinnc11.trin.pwf.cam.ac.uk.
142.251.232.128.in-addr.arpa domain name pointer pctrinnc12.trin.pwf.cam.ac.uk.
143.251.232.128.in-addr.arpa domain name pointer pctrinnc13.trin.pwf.cam.ac.uk.
146.251.232.128.in-addr.arpa domain name pointer pctrinnc16.trin.pwf.cam.ac.uk.
147.251.232.128.in-addr.arpa domain name pointer pctrinnc17.trin.pwf.cam.ac.uk.
148.251.232.128.in-addr.arpa domain name pointer pctrinnc18.trin.pwf.cam.ac.uk.
149.251.232.128.in-addr.arpa domain name pointer pctrinnc19.trin.pwf.cam.ac.uk.
150.251.232.128.in-addr.arpa domain name pointer pctrinnc20.trin.pwf.cam.ac.uk.
151.251.232.128.in-addr.arpa domain name pointer pctrinnc21.trin.pwf.cam.ac.uk.
152.251.232.128.in-addr.arpa domain name pointer pctrinnc22.trin.pwf.cam.ac.uk.
153.251.232.128.in-addr.arpa domain name pointer pctrinnc23.trin.pwf.cam.ac.uk.
154.251.232.128.in-addr.arpa domain name pointer pctrinnc24.trin.pwf.cam.ac.uk.
155.251.232.128.in-addr.arpa domain name pointer pctrinnc25.trin.pwf.cam.ac.uk.
156.251.232.128.in-addr.arpa domain name pointer pctrinnc26.trin.pwf.cam.ac.uk.
157.251.232.128.in-addr.arpa domain name pointer pctrinnc27.trin.pwf.cam.ac.uk.
158.251.232.128.in-addr.arpa domain name pointer pctrinnc28.trin.pwf.cam.ac.uk.
159.251.232.128.in-addr.arpa domain name pointer pctrinnc29.trin.pwf.cam.ac.uk.
Host 160.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 161.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 162.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 163.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 164.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 165.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 166.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 167.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 168.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 169.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 170.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
171.251.232.128.in-addr.arpa domain name pointer mactrinba01.trin.pwf.cam.ac.uk.
172.251.232.128.in-addr.arpa domain name pointer pctrinhr01.trin.pwf.cam.ac.uk.
173.251.232.128.in-addr.arpa domain name pointer pctrinfp01.trin.pwf.cam.ac.uk.
174.251.232.128.in-addr.arpa domain name pointer pctrinsll01.trin.pwf.cam.ac.uk.
Host 175.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
176.251.232.128.in-addr.arpa domain name pointer qmontrin1.trin.pwf.cam.ac.uk.
177.251.232.128.in-addr.arpa domain name pointer hp1-nc.trin.pwf.cam.ac.uk.
178.251.232.128.in-addr.arpa domain name pointer hp2-nc.trin.pwf.cam.ac.uk.
179.251.232.128.in-addr.arpa domain name pointer hp3-nc.trin.pwf.cam.ac.uk.
Host 180.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
181.251.232.128.in-addr.arpa domain name pointer mactrinnc01.trin.pwf.cam.ac.uk.
182.251.232.128.in-addr.arpa domain name pointer mactrinnc02.trin.pwf.cam.ac.uk.
183.251.232.128.in-addr.arpa domain name pointer mactrinnc03.trin.pwf.cam.ac.uk.
184.251.232.128.in-addr.arpa domain name pointer mactrinnc04.trin.pwf.cam.ac.uk.
185.251.232.128.in-addr.arpa domain name pointer mactrinnc05.trin.pwf.cam.ac.uk.
186.251.232.128.in-addr.arpa domain name pointer mactrinnc06.trin.pwf.cam.ac.uk.
Host 187.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 188.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 189.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
190.251.232.128.in-addr.arpa domain name pointer route-north-3.cam.ac.uk.
Host 191.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 192.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 193.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 194.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 195.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 196.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 197.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
198.251.232.128.in-addr.arpa domain name pointer qmontrin2.trin.pwf.cam.ac.uk.
199.251.232.128.in-addr.arpa domain name pointer hp1-lib.trin.pwf.cam.ac.uk.
Host 200.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
201.251.232.128.in-addr.arpa domain name pointer mactrinlib01.trin.pwf.cam.ac.uk.
202.251.232.128.in-addr.arpa domain name pointer mactrinlib02.trin.pwf.cam.ac.uk.
Host 203.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 204.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
205.251.232.128.in-addr.arpa domain name pointer mactrin-lib1.trin.pwf.cam.ac.uk.
206.251.232.128.in-addr.arpa domain name pointer mactrin-lib2.trin.pwf.cam.ac.uk.
207.251.232.128.in-addr.arpa domain name pointer mactrin-lib3.trin.pwf.cam.ac.uk.
208.251.232.128.in-addr.arpa domain name pointer mactrin-lib4.trin.pwf.cam.ac.uk.
Host 209.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 210.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
211.251.232.128.in-addr.arpa domain name pointer pctrinlib01.trin.pwf.cam.ac.uk.
212.251.232.128.in-addr.arpa domain name pointer pctrinlib02.trin.pwf.cam.ac.uk.
Host 213.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
214.251.232.128.in-addr.arpa domain name pointer pctringc01.trin.pwf.cam.ac.uk.
215.251.232.128.in-addr.arpa domain name pointer pctrinbb01.trin.pwf.cam.ac.uk.
216.251.232.128.in-addr.arpa domain name pointer pctrinbb02.trin.pwf.cam.ac.uk.
Host 217.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 218.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 219.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 220.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
221.251.232.128.in-addr.arpa domain name pointer mactrinbf01.trin.pwf.cam.ac.uk.
222.251.232.128.in-addr.arpa domain name pointer mactrinbf02.trin.pwf.cam.ac.uk.
223.251.232.128.in-addr.arpa domain name pointer mactrinbf03.trin.pwf.cam.ac.uk.
224.251.232.128.in-addr.arpa domain name pointer mactrinbf04.trin.pwf.cam.ac.uk.
225.251.232.128.in-addr.arpa domain name pointer mactrinbf05.trin.pwf.cam.ac.uk.
226.251.232.128.in-addr.arpa domain name pointer mactrinbf06.trin.pwf.cam.ac.uk.
227.251.232.128.in-addr.arpa domain name pointer mactrinbf07.trin.pwf.cam.ac.uk.
Host 228.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 229.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 230.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
231.251.232.128.in-addr.arpa domain name pointer pctrinbf01.trin.pwf.cam.ac.uk.
232.251.232.128.in-addr.arpa domain name pointer pctrinbf02.trin.pwf.cam.ac.uk.
233.251.232.128.in-addr.arpa domain name pointer pctrinbf03.trin.pwf.cam.ac.uk.
234.251.232.128.in-addr.arpa domain name pointer pctrinbf04.trin.pwf.cam.ac.uk.
235.251.232.128.in-addr.arpa domain name pointer pctrinbf05.trin.pwf.cam.ac.uk.
236.251.232.128.in-addr.arpa domain name pointer pctrinbf06.trin.pwf.cam.ac.uk.
237.251.232.128.in-addr.arpa domain name pointer pctrinbf07.trin.pwf.cam.ac.uk.
238.251.232.128.in-addr.arpa domain name pointer pctrinbf08.trin.pwf.cam.ac.uk.
239.251.232.128.in-addr.arpa domain name pointer pctrinbf09.trin.pwf.cam.ac.uk.
Host 240.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 241.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 242.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 243.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 244.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
245.251.232.128.in-addr.arpa domain name pointer qmontrin3.trin.pwf.cam.ac.uk.
246.251.232.128.in-addr.arpa domain name pointer hp1-bf.trin.pwf.cam.ac.uk.
247.251.232.128.in-addr.arpa domain name pointer hp2-bf.trin.pwf.cam.ac.uk.
Host 248.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 249.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 250.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 251.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
252.251.232.128.in-addr.arpa domain name pointer srvr-1.trin.pwf.cam.ac.uk.
Host 253.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 254.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 255.251.232.128.in-addr.arpa not found: 3(NXDOMAIN)