这是上海很多IP被拒绝的直接原因:<br>
DNS Traversal for 178.210.152.61.in-addr.arpa.<br>
Generated by www.DNSstuff.com<br>
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Getting NS record list at h.root-servers.net... Done! <br>
Looking up at the 5 61.in-addr.arpa. parent servers: <br>
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Server Response Time <br>
ns-sec.ripe.net [193.0.0.196] nns.sta.net.cn. ns.sta.net.cn. 105ms <br>
tinnie.arin.net [69.25.34.195] nns.sta.net.cn. ns.sta.net.cn. 105ms <br>
ns1.apnic.net [202.12.29.25] nns.sta.net.cn. ns.sta.net.cn. 324ms <br>
ns4.apnic.net [202.12.31.140] nns.sta.net.cn. ns.sta.net.cn. 324ms <br>
ns3.apnic.net [202.12.28.131] Timeout <br>
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Status: Records DO NOT all match: At least one DNS server (ns3.apnic.net) did not respond. <br>
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Looking up at the 2 152.61.in-addr.arpa. parent servers: <br>
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Server Response Time <br>
nns.sta.net.cn [61.152.82.18] ns-pd.online.sh.cn. ns-px.online.sh.cn. 545ms <br>
ns.sta.net.cn [202.96.199.133] Timeout <br>
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Status: Records DO NOT all match: At least one DNS server (ns.sta.net.cn) did not respond. <br>
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Looking up at the 2 178.210.152.61.in-addr.arpa. parent servers: <br>
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Server Response Time <br>
ns-pd.online.sh.cn [202.96.209.133] Timeout <br>
ns-px.online.sh.cn [202.96.209.5] Timeout <br>
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Status: Records DO NOT all match: At least one DNS server (ns-px.online.sh.cn) did not respond. <br>