nslookup -q=soa xxx.com 8.8.8.8
nslookup -q=ns xxx.com 8.8.8.8
nslookup -q=mx xxx.com 8.8.8.8
nslookup -q=a www.xxx.com 8.8.8.8
RJ45:
千兆網線的作法
1 白橙 --- 白綠
2 橙 --- 綠
3 白綠 --- 白橙
4 藍 --- 白棕
5 白藍 --- 棕
6 綠 --- 橙
7 白棕 --- 藍
8 棕 --- 白藍
百兆網路線作法
1 白綠 --- 白橙
2 綠 --- 橙
3 白橙 --- 白綠
4 藍 --- 藍
5 白藍 --- 白藍
6 橙 --- 綠
7 白棕 --- 白棕
8 棕 --- 棕
No of No of
subnets Hosts/net netmask
1 254 0. 0. 0. 0 / 0 (00000000.00000000.00000000.00000000)
2 126 128. 0. 0. 0 / 1 (10000000.00000000.00000000.00000000)
4 62 192. 0. 0. 0 / 2 (11000000.00000000.00000000.00000000)
8 30 224. 0. 0. 0 / 3 (11100000.00000000.00000000.00000000)
16 14 240. 0. 0. 0 / 4 (11110000.00000000.00000000.00000000)
32 6 248. 0. 0. 0 / 5 (11111000.00000000.00000000.00000000)
64 2 252. 0. 0. 0 / 6 (11111100.00000000.00000000.00000000)
128 0 254. 0. 0. 0 / 7 (11111110.00000000.00000000.00000000)
256 0 255. 0. 0. 0 / 8 (11111111.00000000.00000000.00000000)
1 254 255. 0. 0. 0 / 8 (11111111.00000000.00000000.00000000)
2 126 255.128. 0. 0 / 9 (11111111.10000000.00000000.00000000)
4 62 255.192. 0. 0 /10 (11111111.11000000.00000000.00000000)
8 30 255.224. 0. 0 /11 (11111111.11100000.00000000.00000000)
16 14 255.240. 0. 0 /12 (11111111.11110000.00000000.00000000)
32 6 255.248. 0. 0 /13 (11111111.11111000.00000000.00000000)
64 2 255.252. 0. 0 /14 (11111111.11111100.00000000.00000000)
128 0 255.254. 0. 0 /15 (11111111.11111110.00000000.00000000)
256 0 255.255. 0. 0 /16 (11111111.11111111.00000000.00000000)
1 254 255.255. 0. 0 /16 (11111111.11111111.00000000.00000000)
2 126 255.255.128. 0 /17 (11111111.11111111.10000000.00000000)
4 62 255.255.192. 0 /18 (11111111.11111111.11000000.00000000)
8 30 255.255.224. 0 /19 (11111111.11111111.11100000.00000000)
16 14 255.255.240. 0 /20 (11111111.11111111.11110000.00000000)
32 6 255.255.248. 0 /21 (11111111.11111111.11111000.00000000)
64 2 255.255.252. 0 /22 (11111111.11111111.11111100.00000000)
128 0 255.255.254. 0 /23 (11111111.11111111.11111110.00000000)
256 0 255.255.255. 0 /24 (11111111.11111111.11111111.00000000)
1 254 255.255.255. 0 /24 (11111111.11111111.11111111.00000000)
2 126 255.255.255.128 /25 (11111111.11111111.11111111.10000000)
4 62 255.255.255.192 /26 (11111111.11111111.11111111.11000000)
8 30 255.255.255.224 /27 (11111111.11111111.11111111.11100000)
16 14 255.255.255.240 /28 (11111111.11111111.11111111.11110000)
32 6 255.255.255.248 /29 (11111111.11111111.11111111.11111000)
64 2 255.255.255.252 /30 (11111111.11111111.11111111.11111100)
128 0 255.255.255.254 /31 (11111111.11111111.11111111.11111110)
256 0 255.255.255.255 /32 (11111111.11111111.11111111.11111111)
subnets Hosts/net netmask
1 254 0. 0. 0. 0 / 0 (00000000.00000000.00000000.00000000)
2 126 128. 0. 0. 0 / 1 (10000000.00000000.00000000.00000000)
4 62 192. 0. 0. 0 / 2 (11000000.00000000.00000000.00000000)
8 30 224. 0. 0. 0 / 3 (11100000.00000000.00000000.00000000)
16 14 240. 0. 0. 0 / 4 (11110000.00000000.00000000.00000000)
32 6 248. 0. 0. 0 / 5 (11111000.00000000.00000000.00000000)
64 2 252. 0. 0. 0 / 6 (11111100.00000000.00000000.00000000)
128 0 254. 0. 0. 0 / 7 (11111110.00000000.00000000.00000000)
256 0 255. 0. 0. 0 / 8 (11111111.00000000.00000000.00000000)
1 254 255. 0. 0. 0 / 8 (11111111.00000000.00000000.00000000)
2 126 255.128. 0. 0 / 9 (11111111.10000000.00000000.00000000)
4 62 255.192. 0. 0 /10 (11111111.11000000.00000000.00000000)
8 30 255.224. 0. 0 /11 (11111111.11100000.00000000.00000000)
16 14 255.240. 0. 0 /12 (11111111.11110000.00000000.00000000)
32 6 255.248. 0. 0 /13 (11111111.11111000.00000000.00000000)
64 2 255.252. 0. 0 /14 (11111111.11111100.00000000.00000000)
128 0 255.254. 0. 0 /15 (11111111.11111110.00000000.00000000)
256 0 255.255. 0. 0 /16 (11111111.11111111.00000000.00000000)
1 254 255.255. 0. 0 /16 (11111111.11111111.00000000.00000000)
2 126 255.255.128. 0 /17 (11111111.11111111.10000000.00000000)
4 62 255.255.192. 0 /18 (11111111.11111111.11000000.00000000)
8 30 255.255.224. 0 /19 (11111111.11111111.11100000.00000000)
16 14 255.255.240. 0 /20 (11111111.11111111.11110000.00000000)
32 6 255.255.248. 0 /21 (11111111.11111111.11111000.00000000)
64 2 255.255.252. 0 /22 (11111111.11111111.11111100.00000000)
128 0 255.255.254. 0 /23 (11111111.11111111.11111110.00000000)
256 0 255.255.255. 0 /24 (11111111.11111111.11111111.00000000)
1 254 255.255.255. 0 /24 (11111111.11111111.11111111.00000000)
2 126 255.255.255.128 /25 (11111111.11111111.11111111.10000000)
4 62 255.255.255.192 /26 (11111111.11111111.11111111.11000000)
8 30 255.255.255.224 /27 (11111111.11111111.11111111.11100000)
16 14 255.255.255.240 /28 (11111111.11111111.11111111.11110000)
32 6 255.255.255.248 /29 (11111111.11111111.11111111.11111000)
64 2 255.255.255.252 /30 (11111111.11111111.11111111.11111100)
128 0 255.255.255.254 /31 (11111111.11111111.11111111.11111110)
256 0 255.255.255.255 /32 (11111111.11111111.11111111.11111111)