cw.sina.com - robtex.com
cw.sina.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 10.1.1.47 | ||||||
| A | 10.1.1.64 | ||||||
| NS | ns1.sina.com.cn β | ||||||
| A | 221.179.193.14π¨π³ CHINAMOBILE-CN221.179.192.0/22 CMI (Customer Route) | ||||||
| NS | darklighter.cw.sina.com β οΈ Not in parent delegation | ||||||
| A | 10.1.1.23 | ||||||
| NS | indns.ca.sina.com β οΈ Not in parent delegation | ||||||
| A | 172.16.1.10UNSPECIFIED160.0.0.0/3 | ||||||
| NS | indns1.sina.com β οΈ Not in parent delegation | ||||||
| A | 172.16.1.10UNSPECIFIED160.0.0.0/3 | ||||||
| NS | indns2.sina.com β οΈ Not in parent delegation | ||||||
| A | 10.1.1.20 | ||||||
| NS | indns3.sina.com β οΈ Not in parent delegation | ||||||
| A | 10.1.1.23 | ||||||
| MX | kitana1.cw.sina.com β | ||||||
| A | 10.1.1.43 | ||||||
| MX | kitana2.cw.sina.com β | ||||||
| A | 10.1.1.64 | ||||||
| MX | us-staff.cw.sina.com β | ||||||
| A | 10.1.1.25 | ||||||
| SOA | ns1.sina.com.cnzhihao@staff.sina.com.cn 2005-05-07 #1 | ||||||
sina.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 64.71.151.11πΊπΈ HURRICANE64.71.128.0/18 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| NS | ns1.sina.com.cn β β οΈ Not in parent delegation | ||||||
| NS | ns1.sina.com | ||||||
| NS | ns2.sina.com | ||||||
| NS | ns2.sina.com.cn β οΈ Not in parent delegation | ||||||
| NS | ns3.sina.com | ||||||
| NS | ns3.sina.com.cn β οΈ Not in parent delegation | ||||||
| NS | ns4.sina.com | ||||||
| NS | ns4.sina.com.cn β οΈ Not in parent delegation | ||||||
| MX | freemx1.sinamail.sina.com.cn β | ||||||
| MX | freemx2.sinamail.sina.com.cn β | ||||||
| MX | freemx3.sinamail.sina.com.cn β | ||||||
| TXT | v=spf1 include:spf.sinamail.sina.com.cn -all | ||||||
| SOA | ns1.sina.com.cnzhihao@staff.sina.com.cn 2005-04-26 #1 | ||||||
rank #5352 globally
rank #2659 in the tld
WOT: SAFE (86/100)
π Tranco rank: #5,501
Subdomains
us-staff.cw.sina.com |
avon1.cw.sina.com |
darklighter.cw.sina.com |
kitana2.cw.sina.com |
kitana1.cw.sina.com |
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
βNSdarklighter.cw.sina.com2026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βNSindns.ca.sina.com2026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βNSindns1.sina.com2026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βNSindns2.sina.com2026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βNSindns3.sina.com2026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βNSns1.sina.com.cn2026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βMXkitana1.cw.sina.com2026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βMXkitana2.cw.sina.com2026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βMXus-staff.cw.sina.com2026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βA10.1.1.472026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
βA10.1.1.642026-04-17 β 2026-08-14 Β· 2 obs
β 2026-08-14 23:35:42
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sina.com | ns1.sina.com.cn, ns2.sina.com.cn, ns3.sina.com.cn, ns1.sina.com... | 4 records |
β Authoritative Response
Server:123.125.29.99
NS records: ns1.sina.com.cn, ns2.sina.com.cn, ns3.sina.com.cn, ns1.sina.com, ns2.sina.com, ns4.sina.com, ns3.sina.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for sina.com (unsigned zone)
β±οΈ Timing
Total: 502ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 10.1.1.47, 10.1.1.64 |
| NS | 5 | indns.ca.sina.com, darklighter.cw.sina.com... |
| MX | 3 | kitana1.cw.sina.com (pri: 10), us-staff.cw.sina.com (pri: 10)... |
| SOA | 1 | ns1.sina.com.cn zhihao.staff.sina.com.cn |
π Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.sina.com, ns2.sina.com, ns4.sina.com...)
Analysis
Hierarchy
us-staff.cw.sina.com, avon1.cw.sina.com, darklighter.cw.sina.com, kitana2.cw.sina.com and kitana1.cw.sina.com are all subdomains of cw.sina.com.
IP Addresses
cw.sina.com points to the IP addresses 10.1.1.47 and 10.1.1.64
msnbag99.usi.net and kitana2.cw.sina.com are among other host names that share IP numbers with cw.sina.com.
Name Servers
cw.sina.com delegates authority to 6 name servers: indns1.sina.com, indns2.sina.com, indns3.sina.com plus 3 other.
The name servers of cw.sina.com overlap at least partially with those of other domains β among them 128-25.108.30.218.in-addr.arpa, weibo.tv, starvi.com and two more.
These name servers commonly appear in delegations together with ns1.sina.com.cn, ns2.sina.com.cn, ns3.sina.com.cn and 7 other.
Hosts that resolve to one IP address:
indns1.sina.com has the IP address 172.16.1.10.
indns2.sina.com has the IP address 10.1.1.20.
indns3.sina.com has the IP address 10.1.1.23.
ns1.sina.com.cn has the IP address 221.179.193.14.
indns.ca.sina.com has the IP address 172.16.1.10.
darklighter.cw.sina.com has the IP address 10.1.1.23.
Both indns1.sina.com and indns.ca.sina.com resolve to 172.16.1.10 IP addresses each.
Both indns3.sina.com and darklighter.cw.sina.com resolve to 10.1.1.23 IP addresses each.
Mail Servers
Mail for cw.sina.com is routed through three mail servers β kitana1.cw.sina.com, kitana2.cw.sina.com and us-staff.cw.sina.com.
At least some of cw.sina.com's mail servers are shared with other domains, among them kitana2.cw.sina.com, kitana1.cw.sina.com and us-staff.cw.sina.com.
The hostnames kitana1.cw.sina.com, kitana2.cw.sina.com and us-staff.cw.sina.com each resolve to a single IP: kitana1.cw.sina.com β 10.1.1.43, kitana2.cw.sina.com β 10.1.1.64, us-staff.cw.sina.com β 10.1.1.25.