Name | TTL | Type | Data | Status | Returned by | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
a.dns.cn. (203.119.25.1) | a.dns.cn. (2001:dc7::1) | b.dns.cn. (203.119.26.1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | f.dns.cn. (195.219.8.90) | g.dns.cn. (66.198.183.65) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:dd9::44) | |||||
RR count (Answer/Authority/Additional) | OK | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | 0/6/1 | ||||
Response size (bytes) | OK | 742 | 742 | 742 | 742 | 742 | 742 | 742 | 742 | 770 | 770 | 770 | ||||
Response time (ms) | OK | 189 | 3 | 51 | 5 | 3 | 39 | 140 | 69 | 164 | 193 | 166 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
RR count (Answer/Authority/Additional) | OK | 0/1/1 | 0/1/1 | 0/1/1 | |||
Response size (bytes) | OK | 98 | 98 | 98 | |||
Response time (ms) | OK | 246 | 181 | 182 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
sina.cn | 86400 | NS |
ns1.sina.com.cn.
ns2.sina.com.cn.
ns3.sina.com.cn. | OK | Y | Y | Y |
RR count (Answer/Authority/Additional) | OK | 3/0/4 | 3/0/4 | 3/0/4 | |||
Response size (bytes) | OK | 147 | 147 | 147 | |||
Response time (ms) | OK | 270 | 166 | 175 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
sina.cn | 86400 | NS |
ns1.sina.com.cn.
ns2.sina.com.cn.
ns3.sina.com.cn. | OK | Y | Y | Y |
RR count (Answer/Authority/Additional) | OK | 3/0/4 | 3/0/4 | 3/0/4 | |||
Response size (bytes) | OK | 147 | 147 | 147 | |||
Response time (ms) | OK | 270 | 166 | 175 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
sina.cn | 600 | MX |
10 freemx1.sinamail.sina.com.cn.
10 freemx2.sinamail.sina.com.cn.
10 freemx3.sinamail.sina.com.cn. | OK | Y | Y | Y |
RR count (Answer/Authority/Additional) | OK | 3/3/7 | 3/3/7 | 3/3/7 | |||
Response size (bytes) | OK | 276 | 276 | 276 | |||
Response time (ms) | OK | 258 | 175 | 189 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
RR count (Answer/Authority/Additional) | OK | 0/1/1 | 0/1/1 | 0/1/1 | |||
Response size (bytes) | OK | 98 | 98 | 98 | |||
Response time (ms) | OK | 212 | 167 | 184 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
sina.cn | 60 | A |
36.51.254.236 | OK | Y | Y | Y |
RR count (Answer/Authority/Additional) | OK | 1/3/4 | 1/3/4 | 1/3/4 | |||
Response size (bytes) | OK | 163 | 163 | 163 | |||
Response time (ms) | OK | 259 | 167 | 170 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
sina.cn | 600 | TXT |
"v=spf1 include:spf.sinamail.sina.com.cn -all" | OK | Y | Y | Y |
RR count (Answer/Authority/Additional) | OK | 1/3/4 | 1/3/4 | 1/3/4 | |||
Response size (bytes) | OK | 204 | 204 | 204 | |||
Response time (ms) | OK | 255 | 194 | 175 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
sina.cn | 600 | SOA |
ns1.sina.com.cn. zhihao.staff.sina.com.cn. 1 1800 600 604800 600 | OK | Y | Y | Y |
RR count (Answer/Authority/Additional) | OK | 1/3/4 | 1/3/4 | 1/3/4 | |||
Response size (bytes) | OK | 196 | 196 | 196 | |||
Response time (ms) | OK | 240 | 172 | 173 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
RR count (Answer/Authority/Additional) | OK | 0/1/1 | 0/1/1 | 0/1/1 | |||
Response size (bytes) | OK | 98 | 98 | 98 | |||
Response time (ms) | OK | 258 | 172 | 187 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (36.51.252.8) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
RR count (Answer/Authority/Additional) | OK | 0/1/1 | 0/1/1 | 0/1/1 | |||
Response size (bytes) | OK | 109 | 109 | 109 | |||
Response time (ms) | OK | 247 | 179 | 195 |