Name | TTL | Type | Data | Status | Returned by | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::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) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::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 | 0/6/1 | 0/6/1 | 0/6/1 | |||
Response size (bytes) | OK | 742 | 812 | 812 | 812 | 812 | 812 | 742 | 742 | 812 | 812 | 770 | 774 | 774 | 770 | |||
Response time (ms) | OK | 3 | 191 | 67 | 148 | 148 | 67 | 4 | 4 | 172 | 147 | 159 | 177 | 183 | 182 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 130 | 129 | 129 | |||
Response time (ms) | OK | 287 | 160 | 192 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 3/0/1 | 3/0/1 | 3/0/1 | |||
Response size (bytes) | OK | 131 | 130 | 130 | |||
Response time (ms) | OK | 230 | 156 | 195 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 3/0/1 | 3/0/1 | 3/0/1 | |||
Response size (bytes) | OK | 131 | 130 | 130 | |||
Response time (ms) | OK | 230 | 156 | 195 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 3/0/1 | 3/0/1 | 3/0/1 | |||
Response size (bytes) | OK | 158 | 157 | 160 | |||
Response time (ms) | OK | 232 | 164 | 197 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | ns2.sina.com.cn. (180.149.138.199) | ns3.sina.com.cn. (123.125.29.99) | |||||
sina.cn | 60 | A |
36.51.224.44 | OK | Y | Y | Y |
RR count (Answer/Authority/Additional) | OK | 1/0/1 | 1/0/1 | 1/0/1 | |||
Response size (bytes) | OK | 85 | 83 | 83 | |||
Response time (ms) | OK | 285 | 160 | 194 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 141 | 140 | 140 | |||
Response time (ms) | OK | 241 | 158 | 193 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 1/0/1 | 1/0/1 | 1/0/1 | |||
Response size (bytes) | OK | 130 | 129 | 132 | |||
Response time (ms) | OK | 292 | 174 | 197 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 130 | 129 | 129 | |||
Response time (ms) | OK | 291 | 166 | 193 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 130 | 129 | 132 | |||
Response time (ms) | OK | 239 | 152 | 196 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 1/0/1 | 1/0/1 | 1/0/1 | |||
Response size (bytes) | OK | 125 | 124 | 124 | |||
Response time (ms) | OK | 240 | 175 | 198 |
Name | TTL | Type | Data | Status | Returned by | ||
---|---|---|---|---|---|---|---|
ns1.sina.com.cn. (221.179.193.14) | 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 | 130 | 129 | 129 | |||
Response time (ms) | OK | 241 | 153 | 188 |