[问题]有没有人跟我一样nslookup指令结果异常不正确？

有没有人跟我一样nslookup指令结果异常不正确？

不知道是我的问题还是ISP或世界DNS的问题，如下

> www.google.com.tw
Server: hntp1.hinet.net
Address: 168.95.192.1

Non-authoritative answer:
www.google.com.tw.com.tw nameserver = ns2.fastpark.net
www.google.com.tw.com.tw nameserver = ns1.fastpark.net
www.google.com.tw.com.tw
primary name server = ns1.fastpark.net
responsible mail addr = HOSTMASTER.fastpark.net
serial = 2010012000
refresh = 10800 (3 hours)
retry = 1800 (30 mins)
expire = 604800 (7 days)
default TTL = 10800 (3 hours)
www.google.com.tw.com.tw text =

"v=spf1"
www.google.com.tw.com.tw internet address = 216.8.179.25

www.google.com.tw.com.tw nameserver = ns2.fastpark.net
www.google.com.tw.com.tw nameserver = ns1.fastpark.net
ns1.fastpark.net internet address = 216.8.179.50
ns2.fastpark.net internet address = 216.8.177.29
>


> pczone.com.tw
Server: hntp1.hinet.net
Address: 168.95.192.1

Non-authoritative answer:
pczone.com.tw.com.tw nameserver = ns2.fastpark.net
pczone.com.tw.com.tw nameserver = ns1.fastpark.net
pczone.com.tw.com.tw text =

"v=spf1"
pczone.com.tw.com.tw internet address = 216.8.179.25
pczone.com.tw.com.tw
primary name server = ns1.fastpark.net
responsible mail addr = HOSTMASTER.fastpark.net
serial = 2010012000
refresh = 10800 (3 hours)
retry = 1800 (30 mins)
expire = 604800 (7 days)
default TTL = 10800 (3 hours)

pczone.com.tw.com.tw nameserver = ns2.fastpark.net
pczone.com.tw.com.tw nameserver = ns1.fastpark.net
ns1.fastpark.net internet address = 216.8.179.50
ns2.fastpark.net internet address = 216.8.177.29
>

> raidenhttpd.com
Server: hntp1.hinet.net
Address: 168.95.192.1

Non-authoritative answer:
raidenhttpd.com
primary name server = dns086.a.register.com
responsible mail addr = root.register.com
serial = 200203140
refresh = 43200 (12 hours)
retry = 3600 (1 hour)
expire = 43200 (12 hours)
default TTL = 43200 (12 hours)
raidenhttpd.com internet address = 114.34.101.183
raidenhttpd.com nameserver = dns027.c.register.com
raidenhttpd.com nameserver = dns124.b.register.com
raidenhttpd.com nameserver = dns010.d.register.com
raidenhttpd.com nameserver = dns086.a.register.com

raidenhttpd.com nameserver = dns010.d.register.com
raidenhttpd.com nameserver = dns027.c.register.com
raidenhttpd.com nameserver = dns086.a.register.com
raidenhttpd.com nameserver = dns124.b.register.com
dns010.d.register.com internet address = 216.21.236.10
>

> pchome.com.tw
Server: hntp1.hinet.net
Address: 168.95.192.1

Non-authoritative answer:
pchome.com.tw.com.tw internet address = 216.8.179.25
pchome.com.tw.com.tw text =

"v=spf1"
pchome.com.tw.com.tw nameserver = ns2.fastpark.net
pchome.com.tw.com.tw nameserver = ns1.fastpark.net
pchome.com.tw.com.tw
primary name server = ns1.fastpark.net
responsible mail addr = HOSTMASTER.fastpark.net
serial = 2010012000
refresh = 10800 (3 hours)
retry = 1800 (30 mins)
expire = 604800 (7 days)
default TTL = 10800 (3 hours)

pchome.com.tw.com.tw nameserver = ns1.fastpark.net
pchome.com.tw.com.tw nameserver = ns2.fastpark.net
ns1.fastpark.net internet address = 216.8.179.50
ns2.fastpark.net internet address = 216.8.177.29
>

后面请加上一个 .
如 nslookup www.google.com.

你好，我知道后面加上一个 "."

就会正常解析，可是我记得以前好像不需要这样就可以了，不是吗？

可是我刚刚又有查其他的网站，有些是正常可以看到解析，有些又跟这些一样～

不懂这是为什么？