usw.cn - robtex.com
usw.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.250.220.67🇨🇳 CHINAMOBILE-CN183.250.216.0/21 CMI (Customer Route) | ||||||
| NS | ns1.cnolnic.net ⭐ | ||||||
| A | 240c:4082:0:5d80::2🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 106.13.136.254🇨🇳 Baidu106.13.128.0/19 AS38365 | ||||||
| A | 182.61.7.97🇨🇳 Baidu182.61.0.0/19 | ||||||
| NS | ns2.cnolnic.net | ||||||
| A | 240c:4081:8000:1702::3🇨🇳 Baidu240c:4081::/32 | ||||||
| A | 106.12.41.177🇨🇳 Baidu106.12.32.0/19 | ||||||
| A | 180.76.132.69🇨🇳 Baidu180.76.128.0/19 | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| SOA | ns1.cnolnic.netroot@cnolnic.net 2006-11-24 #1 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034785103 | ||||||
Previously MX for
usw.cn |
Subdomains
mwsgzh.usw.cn |
Same first word
Similar names
DNS History
13 records (5 active, 8 former)
●NSns1.cnolnic.net2009-01-14 → 2026-05-13 · 2 obs
● 2026-05-13 02:21:20
●NSns2.cnolnic.net2009-01-14 → 2026-05-13 · 2 obs
● 2026-05-13 02:21:20
●MXmxbiz1.qq.com2021-10-05 → 2026-05-13 · 3 obs
● 2021-10-05 04:28:40
● 2026-05-13 02:21:20
●MXmxbiz2.qq.com2021-10-05 → 2026-05-13 · 3 obs
● 2021-10-05 04:28:40
● 2026-05-13 02:21:20
○MXmxdomain.qq.com2016-04-29 → 2017-09-10 · 5 obs
● 2016-04-29 01:47:02
● 2017-09-10 02:58:42
○ 2021-10-05 04:28:40
○ 2026-05-13 02:21:20
○MXusw.cn2009-01-14 → 2009-01-14 · 3 obs
○ 2015-09-02 10:44:14
○ 2026-05-13 02:21:20
○A107.151.247.142016-08-24 → 2016-09-07 · 5 obs
● 2016-08-24 01:08:52
● 2016-09-07 23:30:36
○ 2016-11-24 22:08:24
○ 2026-05-13 02:21:20
○A118.193.244.1862016-02-25 → 2016-06-08 · 5 obs
● 2016-02-25 11:19:28
● 2016-06-08 17:15:22
○ 2016-08-24 01:08:52
○ 2026-05-13 02:21:20
○A120.43.228.2052015-09-02 → 2015-09-02 · 4 obs
● 2015-09-02 10:44:14
○ 2015-11-23 03:26:44
○ 2026-05-13 02:21:20
○A120.78.178.452021-10-05 → 2021-10-05 · 4 obs
● 2021-10-05 04:28:40
○ 2026-04-24 02:18:26
○ 2026-05-13 02:21:20
○A121.40.18.2482016-11-24 → 2017-09-10 · 5 obs
● 2016-11-24 22:08:24
● 2017-09-10 02:58:42
○ 2021-10-05 04:28:40
○ 2026-05-13 02:21:20
●A183.250.220.672026-04-24 → 2026-05-13 · 3 obs
● 2026-04-24 02:18:26
● 2026-05-13 02:21:20
○A218.5.112.452009-01-14 → 2009-01-14 · 3 obs
○ 2015-09-02 10:44:14
○ 2026-05-13 02:21:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| usw.cn | ns1.cnolnic.net, ns2.cnolnic.net | - |
✅ Authoritative Response
Server:106.12.41.177
NS records: ns1.cnolnic.net, ns2.cnolnic.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usw.cn (unsigned zone)
⏱️ Timing
Total: 4798ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.250.220.67 |
| NS | 2 | ns2.cnolnic.net, ns1.cnolnic.net |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 3) |
| SOA | 1 | ns1.cnolnic.net root.cnolnic.net |
Analysis
Hierarchy
usw.cn is the parent of mwsgzh.usw.cn.
IP Addresses
usw.cn resolves to one IP number: 183.250.220.67.
Other host names, for instance mwsgzh.usw.cn, share IP numbers with usw.cn.
Name Servers
usw.cn is delegated to two name servers ns1.cnolnic.net and ns2.cnolnic.net.
usw.cn shares the same name server setup as other domains, for instance easytranslog.com, web132-160.bbj.vh.cnolnic.org, jrge.cn, bfgu.cn and corduroy.net.cn.
Host names with three IPs:
ns1.cnolnic.net points to 240c:4082:0:5d80::2, 106.13.136.254 and 182.61.7.97.
ns2.cnolnic.net points to 240c:4081:8000:1702::3, 106.12.41.177 and 180.76.132.69.
Mail Servers
Two mail servers handle usw.cn: mxbiz1.qq.com and mxbiz2.qq.com.
usw.cn shares the same mail server setup as other domains, for instance fgshares.com, jhxd.com, tianzhishi.com, fvti.cn and bdrkg.com.
usw.cn shares some mail servers with other domains, at least partially, for instance lond.cn, scglly.com, kaifangdata.com, love77.com.cn and iqk88.com.