263.sina.com - robtex.com
263.sina.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.108.43.230🇨🇳 CHINA169-BJ202.108.43.0/24 CMI (Customer Route) | ||||||
| PTR | mail.sina.com.cn | ||||||
| MX | mx.exmail.sina.com ⭐ | ||||||
| A | 60.28.228.237🇨🇳 CHINA169-Backbone60.28.0.0/15 CNC Group CHINA169 Tianjin Province Network | ||||||
| TXT | v=spf1 include:spf-263.sinamail.sina.com.cn ~all | ||||||
sina.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.71.151.11🇺🇸 HURRICANE64.71.128.0/18 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| NS | ns1.sina.com.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.sina.com | ||||||
| NS | ns2.sina.com | ||||||
| NS | ns2.sina.com.cn ⚠️ Not in parent delegation | ||||||
| NS | ns3.sina.com | ||||||
| NS | ns3.sina.com.cn ⚠️ Not in parent delegation | ||||||
| NS | ns4.sina.com | ||||||
| NS | ns4.sina.com.cn ⚠️ Not in parent delegation | ||||||
| MX | freemx1.sinamail.sina.com.cn ⭐ | ||||||
| MX | freemx2.sinamail.sina.com.cn ⭐ | ||||||
| MX | freemx3.sinamail.sina.com.cn ⭐ | ||||||
| TXT | v=spf1 include:spf.sinamail.sina.com.cn -all | ||||||
| SOA | ns1.sina.com.cnzhihao@staff.sina.com.cn 2005-04-26 #1 | ||||||
rank #5727 globally
rank #2853 in the tld
WOT: SAFE (86/100)
📈 Tranco rank: #5,076
Same first word
Similar names
DNS History
5 records (2 active, 3 former)
○NSns1.sina.com.cn2015-08-31 → 2021-09-19 · 4 obs
● 2021-09-19 20:57:42
○ 2026-03-25 03:50:30
○ 2026-04-12 14:59:08
○NSns2.sina.com.cn2015-08-31 → 2021-09-19 · 4 obs
● 2021-09-19 20:57:42
○ 2026-03-25 03:50:30
○ 2026-04-12 14:59:08
○NSns3.sina.com.cn2015-08-31 → 2021-09-19 · 4 obs
● 2021-09-19 20:57:42
○ 2026-03-25 03:50:30
○ 2026-04-12 14:59:08
●MXmx.exmail.sina.com2015-08-31 → 2026-04-12 · 2 obs
● 2026-04-12 14:59:08
●A202.108.43.2302015-08-31 → 2026-04-12 · 2 obs
● 2026-04-12 14:59:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.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 |
✅ Authoritative Response
Server:180.149.138.199
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
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sina.com (unsigned zone)
⏱️ Timing
Total: 3498ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.108.43.230 |
| MX | 1 | mx.exmail.sina.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf-263.sinamail.sina.com |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.sina.com, ns2.sina.com, ns4.sina.com...)
Analysis
IP Addresses
263.sina.com points to a single IP: 202.108.43.230.
Mail Servers
263.sina.com is handled by a single mail server, mx.exmail.sina.com.
263.sina.com has the same mail server setup as other domains, including qdmm.cn, gouqichina.com, mulaoshi.com, 51rsl.com and lcte.net.
263.sina.com shares some mail servers with other domains, at least partially, such as cora.cn, yctkwl.com, ibeidou.org, workershome.net and hpioo.com.
These mail servers are often used together with mxbiz1.qq.com, mxbiz2.qq.com, mx.ym.163.com, mx1.qiye.aliyun.com, mx2.qiye.aliyun.com, mx3.qiye.aliyun.com, mxn.mxhichina.com and mxw.mxhichina.com.
mx.exmail.sina.com points to a single IP: 60.28.228.237.