bwdu.cn - robtex.com
bwdu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.237.151.123🇭🇰 HDHK156.237.144.0/20 Proxy-registered route object | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1772987395 | ||||||
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=2034659955 | ||||||
Previously NS for
bwdu.cn |
Same first word
bwdu.cn |
Similar names
wbdu.com |
dubw.cn |
wudb.com |
budw.net |
bwud.de |
wbud.ru |
ubwd.com |
buwd.cn |
buwd.de |
udbw.com |
ubwd.xyz |
wdub.de |
ubdw.de |
duwb.cn |
wubd.com |
DNS History
11 records (3 active, 8 former)
○NSbwdu.cn2015-04-14 → 2015-04-14 · 3 obs
○ 2016-09-15 02:15:56
○ 2026-04-11 19:20:20
○NSdns10.hichina.com2017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 12:46:12
○ 2026-03-12 00:43:30
○ 2026-04-11 19:20:20
○NSdns9.hichina.com2017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 12:46:12
○ 2026-03-12 00:43:30
○ 2026-04-11 19:20:20
○NSns1.dnsdun.com2016-09-15 → 2016-09-15 · 4 obs
● 2016-09-15 02:15:56
○ 2017-06-12 12:46:12
○ 2026-04-11 19:20:20
●NSns1.nowcndns.com2026-03-12 → 2026-04-11 · 3 obs
● 2026-03-12 00:43:30
● 2026-04-11 19:20:20
●NSns2.nowcndns.com2026-03-12 → 2026-04-11 · 3 obs
● 2026-03-12 00:43:30
● 2026-04-11 19:20:20
○NSns6.dnsdun.net2016-09-15 → 2016-09-15 · 4 obs
● 2016-09-15 02:15:56
○ 2017-06-12 12:46:12
○ 2026-04-11 19:20:20
●A156.237.151.1232026-03-12 → 2026-04-11 · 3 obs
● 2026-03-12 00:43:30
● 2026-04-11 19:20:20
○A172.106.153.892016-09-15 → 2016-09-15 · 4 obs
● 2016-09-15 02:15:56
○ 2017-06-12 12:46:12
○ 2026-04-11 19:20:20
○A47.89.58.322017-06-12 → 2017-06-12 · 4 obs
● 2017-06-12 12:46:12
○ 2026-03-12 00:43:30
○ 2026-04-11 19:20:20
○A67.198.211.1382015-04-14 → 2015-04-14 · 3 obs
○ 2016-09-15 02:15:56
○ 2026-04-11 19:20:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| bwdu.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:211.99.99.38
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bwdu.cn (unsigned zone)
⏱️ Timing
Total: 1186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.237.151.123 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
bwdu.cn resolves to one IP number: 156.237.151.123.
Other host names, for instance mail.chapelandco.com, aguaspolako.com, 340563.cn, chapelandco.com and 67896789.cn share IP numbers with bwdu.cn.
Name Servers
bwdu.cn's delegation uses two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
bwdu.cn uses the same name server setup as other domains, such as uudao.com.cn, qizy.cn, 3dzm.cn, newjian.cn and incite.com.cn.
Host names with three IP numbers:
The host name ns1.nowcndns.com resolves to 1.193.216.204, 218.98.111.129 and 218.98.111.138.
The host name ns2.nowcndns.com resolves to 61.158.128.11, 183.253.57.202 and 211.99.99.38.