Host 0.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 1.207.145.203.in-addr.arpa domain name pointer twaren7-001.niu.edu.tw.
[86400] 2.207.145.203.in-addr.arpa domain name pointer twaren7-002.niu.edu.tw.
[86400] 3.207.145.203.in-addr.arpa domain name pointer twaren7-003.niu.edu.tw.
[86400] 4.207.145.203.in-addr.arpa domain name pointer twaren7-004.niu.edu.tw.
[86400] 5.207.145.203.in-addr.arpa domain name pointer twaren7-005.niu.edu.tw.
[86400] 6.207.145.203.in-addr.arpa domain name pointer twaren7-006.niu.edu.tw.
[86400] 7.207.145.203.in-addr.arpa domain name pointer twaren7-007.niu.edu.tw.
[86400] 8.207.145.203.in-addr.arpa domain name pointer twaren7-008.niu.edu.tw.
[86400] 9.207.145.203.in-addr.arpa domain name pointer twaren7-009.niu.edu.tw.
[86400] 10.207.145.203.in-addr.arpa domain name pointer twaren7-010.niu.edu.tw.
[86400] 11.207.145.203.in-addr.arpa domain name pointer twaren7-011.niu.edu.tw.
[86400] 12.207.145.203.in-addr.arpa domain name pointer twaren7-012.niu.edu.tw.
[86400] 13.207.145.203.in-addr.arpa domain name pointer twaren7-013.niu.edu.tw.
[86400] 14.207.145.203.in-addr.arpa domain name pointer twaren7-014.niu.edu.tw.
[86400] 15.207.145.203.in-addr.arpa domain name pointer twaren7-015.niu.edu.tw.
[86400] 16.207.145.203.in-addr.arpa domain name pointer twaren7-016.niu.edu.tw.
[86400] 17.207.145.203.in-addr.arpa domain name pointer twaren7-017.niu.edu.tw.
[86400] 18.207.145.203.in-addr.arpa domain name pointer twaren7-018.niu.edu.tw.
[86400] 19.207.145.203.in-addr.arpa domain name pointer twaren7-019.niu.edu.tw.
[86400] 20.207.145.203.in-addr.arpa domain name pointer twaren7-020.niu.edu.tw.
[86400] 21.207.145.203.in-addr.arpa domain name pointer twaren7-021.niu.edu.tw.
[86400] 22.207.145.203.in-addr.arpa domain name pointer twaren7-022.niu.edu.tw.
[86400] 23.207.145.203.in-addr.arpa domain name pointer twaren7-023.niu.edu.tw.
[86400] 24.207.145.203.in-addr.arpa domain name pointer twaren7-024.niu.edu.tw.
[86400] 25.207.145.203.in-addr.arpa domain name pointer twaren7-025.niu.edu.tw.
[86400] 26.207.145.203.in-addr.arpa domain name pointer twaren7-026.niu.edu.tw.
[86400] 27.207.145.203.in-addr.arpa domain name pointer twaren7-027.niu.edu.tw.
[86400] 28.207.145.203.in-addr.arpa domain name pointer twaren7-028.niu.edu.tw.
[86400] 29.207.145.203.in-addr.arpa domain name pointer twaren7-029.niu.edu.tw.
[86400] 30.207.145.203.in-addr.arpa domain name pointer twaren7-030.niu.edu.tw.
[86400] 31.207.145.203.in-addr.arpa domain name pointer twaren7-031.niu.edu.tw.
[86400] 32.207.145.203.in-addr.arpa domain name pointer twaren7-032.niu.edu.tw.
[86400] 33.207.145.203.in-addr.arpa domain name pointer twaren7-033.niu.edu.tw.
[86400] 34.207.145.203.in-addr.arpa domain name pointer twaren7-034.niu.edu.tw.
[86400] 35.207.145.203.in-addr.arpa domain name pointer twaren7-035.niu.edu.tw.
[86400] 36.207.145.203.in-addr.arpa domain name pointer twaren7-036.niu.edu.tw.
[86400] 37.207.145.203.in-addr.arpa domain name pointer twaren7-037.niu.edu.tw.
[86400] 38.207.145.203.in-addr.arpa domain name pointer twaren7-038.niu.edu.tw.
[86400] 39.207.145.203.in-addr.arpa domain name pointer twaren7-039.niu.edu.tw.
[86400] 40.207.145.203.in-addr.arpa domain name pointer twaren7-040.niu.edu.tw.
[86400] 41.207.145.203.in-addr.arpa domain name pointer twaren7-041.niu.edu.tw.
[86400] 42.207.145.203.in-addr.arpa domain name pointer twaren7-042.niu.edu.tw.
[86400] 43.207.145.203.in-addr.arpa domain name pointer twaren7-043.niu.edu.tw.
[86400] 44.207.145.203.in-addr.arpa domain name pointer twaren7-044.niu.edu.tw.
[86400] 45.207.145.203.in-addr.arpa domain name pointer twaren7-045.niu.edu.tw.
[86400] 46.207.145.203.in-addr.arpa domain name pointer twaren7-046.niu.edu.tw.
[86400] 47.207.145.203.in-addr.arpa domain name pointer twaren7-047.niu.edu.tw.
[86400] 48.207.145.203.in-addr.arpa domain name pointer twaren7-048.niu.edu.tw.
[86400] 49.207.145.203.in-addr.arpa domain name pointer twaren7-049.niu.edu.tw.
[86400] 50.207.145.203.in-addr.arpa domain name pointer twaren7-050.niu.edu.tw.
[86400] 51.207.145.203.in-addr.arpa domain name pointer twaren7-051.niu.edu.tw.
[86400] 52.207.145.203.in-addr.arpa domain name pointer twaren7-052.niu.edu.tw.
[86400] 53.207.145.203.in-addr.arpa domain name pointer twaren7-053.niu.edu.tw.
[86400] 54.207.145.203.in-addr.arpa domain name pointer twaren7-054.niu.edu.tw.
[86400] 55.207.145.203.in-addr.arpa domain name pointer twaren7-055.niu.edu.tw.
[86400] 56.207.145.203.in-addr.arpa domain name pointer twaren7-056.niu.edu.tw.
[86400] 57.207.145.203.in-addr.arpa domain name pointer twaren7-057.niu.edu.tw.
[86400] 58.207.145.203.in-addr.arpa domain name pointer twaren7-058.niu.edu.tw.
[86400] 59.207.145.203.in-addr.arpa domain name pointer twaren7-059.niu.edu.tw.
[86400] 60.207.145.203.in-addr.arpa domain name pointer twaren7-060.niu.edu.tw.
[86400] 61.207.145.203.in-addr.arpa domain name pointer twaren7-061.niu.edu.tw.
[86400] 62.207.145.203.in-addr.arpa domain name pointer twaren7-062.niu.edu.tw.
[86400] 63.207.145.203.in-addr.arpa domain name pointer twaren7-063.niu.edu.tw.
[86400] 64.207.145.203.in-addr.arpa domain name pointer twaren7-064.niu.edu.tw.
[86400] 65.207.145.203.in-addr.arpa domain name pointer twaren7-065.niu.edu.tw.
[86400] 66.207.145.203.in-addr.arpa domain name pointer twaren7-066.niu.edu.tw.
[86400] 67.207.145.203.in-addr.arpa domain name pointer twaren7-067.niu.edu.tw.
[86400] 68.207.145.203.in-addr.arpa domain name pointer twaren7-068.niu.edu.tw.
[86400] 69.207.145.203.in-addr.arpa domain name pointer twaren7-069.niu.edu.tw.
[86400] 70.207.145.203.in-addr.arpa domain name pointer twaren7-070.niu.edu.tw.
[86400] 71.207.145.203.in-addr.arpa domain name pointer twaren7-071.niu.edu.tw.
[86400] 72.207.145.203.in-addr.arpa domain name pointer twaren7-072.niu.edu.tw.
[86400] 73.207.145.203.in-addr.arpa domain name pointer twaren7-073.niu.edu.tw.
[86400] 74.207.145.203.in-addr.arpa domain name pointer twaren7-074.niu.edu.tw.
[86400] 75.207.145.203.in-addr.arpa domain name pointer twaren7-075.niu.edu.tw.
[86400] 76.207.145.203.in-addr.arpa domain name pointer twaren7-076.niu.edu.tw.
[86400] 77.207.145.203.in-addr.arpa domain name pointer twaren7-077.niu.edu.tw.
[86400] 78.207.145.203.in-addr.arpa domain name pointer twaren7-078.niu.edu.tw.
[86400] 79.207.145.203.in-addr.arpa domain name pointer twaren7-079.niu.edu.tw.
[86400] 80.207.145.203.in-addr.arpa domain name pointer twaren7-080.niu.edu.tw.
[86400] 81.207.145.203.in-addr.arpa domain name pointer twaren7-081.niu.edu.tw.
[86400] 82.207.145.203.in-addr.arpa domain name pointer twaren7-082.niu.edu.tw.
[86400] 83.207.145.203.in-addr.arpa domain name pointer twaren7-083.niu.edu.tw.
[86400] 84.207.145.203.in-addr.arpa domain name pointer twaren7-084.niu.edu.tw.
[86400] 85.207.145.203.in-addr.arpa domain name pointer twaren7-085.niu.edu.tw.
[86400] 86.207.145.203.in-addr.arpa domain name pointer twaren7-086.niu.edu.tw.
[86400] 87.207.145.203.in-addr.arpa domain name pointer twaren7-087.niu.edu.tw.
[86400] 88.207.145.203.in-addr.arpa domain name pointer twaren7-088.niu.edu.tw.
[86400] 89.207.145.203.in-addr.arpa domain name pointer twaren7-089.niu.edu.tw.
[86400] 90.207.145.203.in-addr.arpa domain name pointer twaren7-090.niu.edu.tw.
[86400] 91.207.145.203.in-addr.arpa domain name pointer twaren7-091.niu.edu.tw.
[86400] 92.207.145.203.in-addr.arpa domain name pointer twaren7-092.niu.edu.tw.
[86400] 93.207.145.203.in-addr.arpa domain name pointer twaren7-093.niu.edu.tw.
[86400] 94.207.145.203.in-addr.arpa domain name pointer twaren7-094.niu.edu.tw.
[86400] 95.207.145.203.in-addr.arpa domain name pointer twaren7-095.niu.edu.tw.
[86400] 96.207.145.203.in-addr.arpa domain name pointer twaren7-096.niu.edu.tw.
[86400] 97.207.145.203.in-addr.arpa domain name pointer twaren7-097.niu.edu.tw.
[86400] 98.207.145.203.in-addr.arpa domain name pointer twaren7-098.niu.edu.tw.
[86400] 99.207.145.203.in-addr.arpa domain name pointer twaren7-099.niu.edu.tw.
[86400] 100.207.145.203.in-addr.arpa domain name pointer twaren7-100.niu.edu.tw.
[86400] 101.207.145.203.in-addr.arpa domain name pointer twaren7-101.niu.edu.tw.
[86400] 102.207.145.203.in-addr.arpa domain name pointer twaren7-102.niu.edu.tw.
[86400] 103.207.145.203.in-addr.arpa domain name pointer twaren7-103.niu.edu.tw.
[86400] 104.207.145.203.in-addr.arpa domain name pointer twaren7-104.niu.edu.tw.
[86400] 105.207.145.203.in-addr.arpa domain name pointer twaren7-105.niu.edu.tw.
[86400] 106.207.145.203.in-addr.arpa domain name pointer twaren7-106.niu.edu.tw.
[86400] 107.207.145.203.in-addr.arpa domain name pointer twaren7-107.niu.edu.tw.
[86400] 108.207.145.203.in-addr.arpa domain name pointer twaren7-108.niu.edu.tw.
[86400] 109.207.145.203.in-addr.arpa domain name pointer twaren7-109.niu.edu.tw.
[86400] 110.207.145.203.in-addr.arpa domain name pointer twaren7-110.niu.edu.tw.
[86400] 111.207.145.203.in-addr.arpa domain name pointer twaren7-111.niu.edu.tw.
[86400] 112.207.145.203.in-addr.arpa domain name pointer twaren7-112.niu.edu.tw.
[86400] 113.207.145.203.in-addr.arpa domain name pointer twaren7-113.niu.edu.tw.
[86400] 114.207.145.203.in-addr.arpa domain name pointer twaren7-114.niu.edu.tw.
[86400] 115.207.145.203.in-addr.arpa domain name pointer twaren7-115.niu.edu.tw.
[86400] 116.207.145.203.in-addr.arpa domain name pointer twaren7-116.niu.edu.tw.
[86400] 117.207.145.203.in-addr.arpa domain name pointer twaren7-117.niu.edu.tw.
[86400] 118.207.145.203.in-addr.arpa domain name pointer twaren7-118.niu.edu.tw.
[86400] 119.207.145.203.in-addr.arpa domain name pointer twaren7-119.niu.edu.tw.
[86400] 120.207.145.203.in-addr.arpa domain name pointer twaren7-120.niu.edu.tw.
[86400] 121.207.145.203.in-addr.arpa domain name pointer twaren7-121.niu.edu.tw.
[86400] 122.207.145.203.in-addr.arpa domain name pointer twaren7-122.niu.edu.tw.
[86400] 123.207.145.203.in-addr.arpa domain name pointer twaren7-123.niu.edu.tw.
[86400] 124.207.145.203.in-addr.arpa domain name pointer twaren7-124.niu.edu.tw.
[86400] 125.207.145.203.in-addr.arpa domain name pointer twaren7-125.niu.edu.tw.
[86400] 126.207.145.203.in-addr.arpa domain name pointer twaren7-126.niu.edu.tw.
[86400] 127.207.145.203.in-addr.arpa domain name pointer twaren7-127.niu.edu.tw.
[86400] 128.207.145.203.in-addr.arpa domain name pointer twaren7-128.niu.edu.tw.
[86400] 129.207.145.203.in-addr.arpa domain name pointer twaren7-129.niu.edu.tw.
[86400] 130.207.145.203.in-addr.arpa domain name pointer twaren7-130.niu.edu.tw.
[86400] 131.207.145.203.in-addr.arpa domain name pointer twaren7-131.niu.edu.tw.
[86400] 132.207.145.203.in-addr.arpa domain name pointer twaren7-132.niu.edu.tw.
[86400] 133.207.145.203.in-addr.arpa domain name pointer twaren7-133.niu.edu.tw.
[86400] 134.207.145.203.in-addr.arpa domain name pointer twaren7-134.niu.edu.tw.
[86400] 135.207.145.203.in-addr.arpa domain name pointer twaren7-135.niu.edu.tw.
[86400] 136.207.145.203.in-addr.arpa domain name pointer twaren7-136.niu.edu.tw.
[86400] 137.207.145.203.in-addr.arpa domain name pointer twaren7-137.niu.edu.tw.
[86400] 138.207.145.203.in-addr.arpa domain name pointer twaren7-138.niu.edu.tw.
[86400] 139.207.145.203.in-addr.arpa domain name pointer twaren7-139.niu.edu.tw.
[86400] 140.207.145.203.in-addr.arpa domain name pointer twaren7-140.niu.edu.tw.
[86400] 141.207.145.203.in-addr.arpa domain name pointer twaren7-141.niu.edu.tw.
[86400] 142.207.145.203.in-addr.arpa domain name pointer twaren7-142.niu.edu.tw.
[86400] 143.207.145.203.in-addr.arpa domain name pointer twaren7-143.niu.edu.tw.
[86400] 144.207.145.203.in-addr.arpa domain name pointer twaren7-144.niu.edu.tw.
[86400] 145.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 146.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 147.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 148.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 149.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 150.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 151.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 152.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 153.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 154.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 155.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 156.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
[86400] 157.207.145.203.in-addr.arpa domain name pointer demo.rd.ipv6.org.tw.
Host 158.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 159.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 160.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 161.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 162.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 163.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 164.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 165.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 166.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 167.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 168.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 169.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 170.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
[88091] 171.207.145.203.in-addr.arpa domain name pointer www.dormv6.niu.edu.tw.
Host 172.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 173.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 174.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 175.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 176.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 177.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 178.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 179.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
[600] 180.207.145.203.in-addr.arpa domain name pointer x60.ims.niu.edu.tw.
Host 181.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 182.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 183.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 184.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 185.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 186.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 187.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 188.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 189.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
[600] 190.207.145.203.in-addr.arpa domain name pointer scscf.ims.niu.edu.tw.
[600] 191.207.145.203.in-addr.arpa domain name pointer pcscf.ims.niu.edu.tw.
[600] 192.207.145.203.in-addr.arpa domain name pointer icscf.ims.niu.edu.tw.
[600] 193.207.145.203.in-addr.arpa domain name pointer hss.ims.niu.edu.tw.
Host 194.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 195.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
[600] 196.207.145.203.in-addr.arpa domain name pointer kvm1.ims.niu.edu.tw.
[600] 197.207.145.203.in-addr.arpa domain name pointer kvm2.ims.niu.edu.tw.
Host 198.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 199.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 200.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 201.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 202.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 203.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 204.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
[600] 205.207.145.203.in-addr.arpa domain name pointer dns.ims.niu.edu.tw.
Host 206.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 207.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 208.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 209.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 210.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
[600] 211.207.145.203.in-addr.arpa domain name pointer ap1.ims.niu.edu.tw.
[600] 212.207.145.203.in-addr.arpa domain name pointer ap2.ims.niu.edu.tw.
[600] 213.207.145.203.in-addr.arpa domain name pointer ap3.ims.niu.edu.tw.
Host 214.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 215.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 216.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 217.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 218.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 219.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 220.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 221.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 222.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 223.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 224.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 225.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 226.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 227.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 228.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 229.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 230.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 231.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 232.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 233.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 234.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 235.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 236.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 237.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 238.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 239.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 240.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 241.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 242.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 243.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 244.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 245.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 246.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 247.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 248.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 249.207.145.203.in-addr.arpa domain name pointer 6book.niu.edu.tw.
Host 250.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 251.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 252.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 253.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 254.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)
Host 255.207.145.203.in-addr.arpa not found: 3(NXDOMAIN)