`bsdw.com.cn`

DNSSEC	⚠️ Not signed
A	180.138.48.232^{🇨🇳 CHINANET-BACKBONE180.136.0.0/13 China Telecom Network}
NS	`ns20.dns.net.cn` ⭐
		A	61.135.129.3^{🇨🇳 CHINA169-BJ61.135.128.0/20}
NS	`ns.dns.net.cn`
		A	61.135.129.2^{🇨🇳 CHINA169-BJ61.135.128.0/20}
NS	`ns7.dns.net.cn` ⚠️ Not in parent delegation
		A	118.145.6.5^{🇨🇳 DXTNET118.145.0.0/20 CMI (Customer Route)}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`ns.dns.net.cn`admin@dns.net.cn serial=82

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030714877

WOT: NOT_SAFE (20/100)

Same first word

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DNS History

7 records (6 active, 1 former)

●NSns.dns.net.cn2015-07-10 → 2026-07-29 · 15 obs

● 2015-07-10 17:04:38
● 2015-11-12 15:34:16
○ 2016-01-23 18:52:52
● 2016-04-22 16:25:02
○ 2017-01-03 04:49:22
● 2018-01-28 08:48:34
● 2026-06-11 15:45:44
○ 2026-06-12 03:13:00
● 2026-06-12 23:44:12
● 2026-06-16 12:04:14
○ 2026-06-16 18:59:14
● 2026-06-22 20:44:18
○ 2026-06-28 23:42:32
● 2026-07-02 20:03:50
● 2026-07-29 22:24:52

●NSns20.dns.net.cn2015-07-10 → 2026-07-29 · 11 obs

● 2015-07-10 17:04:38
● 2018-01-28 08:48:34
○ 2026-05-20 14:00:52
○ 2026-06-12 03:13:00
● 2026-06-12 23:44:12
○ 2026-06-13 02:14:50
● 2026-06-13 05:22:54
● 2026-06-15 08:55:26
○ 2026-06-16 12:04:14
● 2026-07-19 22:22:02
● 2026-07-29 22:24:52

●NSns7.dns.net.cn2015-07-10 → 2026-07-29 · 14 obs

● 2015-07-10 17:04:38
○ 2015-11-12 15:34:16
● 2016-01-23 18:52:52
○ 2016-04-22 16:25:02
● 2017-01-03 04:49:22
● 2026-06-11 15:45:44
○ 2026-06-12 03:13:00
● 2026-06-12 23:44:12
● 2026-06-16 12:04:14
○ 2026-06-16 18:59:14
● 2026-06-22 20:44:18
○ 2026-06-28 23:42:32
● 2026-07-02 20:03:50
● 2026-07-29 22:24:52

●MXmxbiz1.qq.com2026-05-20 → 2026-07-29 · 12 obs

● 2026-05-20 14:00:52
● 2026-06-04 18:42:50
○ 2026-06-10 20:17:44
● 2026-06-11 15:45:44
○ 2026-06-12 03:13:00
● 2026-06-12 23:44:12
○ 2026-06-13 02:14:50
● 2026-06-13 05:22:54
● 2026-06-16 12:04:14
○ 2026-06-16 18:59:14
● 2026-07-19 22:22:02
● 2026-07-29 22:24:52

●MXmxbiz2.qq.com2026-05-20 → 2026-07-29 · 12 obs

●A180.138.48.2322026-05-20 → 2026-07-29 · 14 obs

○ 2018-01-28 08:48:34
● 2026-05-20 14:00:52
● 2026-06-04 18:42:50
○ 2026-06-10 20:17:44
● 2026-06-11 15:45:44
○ 2026-06-12 03:13:00
● 2026-06-12 23:44:12
○ 2026-06-13 02:14:50
○ 2026-06-13 05:22:54
● 2026-06-15 08:55:26
● 2026-06-16 12:04:14
○ 2026-06-16 18:59:14
● 2026-07-19 22:22:02
● 2026-07-29 22:24:52

○A202.103.218.442015-07-10 → 2018-01-28 · 4 obs

● 2015-07-10 17:04:38
● 2018-01-28 08:48:34
○ 2026-05-20 14:00:52
○ 2026-07-29 22:24:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
bsdw.com.cn	ns.dns.net.cn, ns7.dns.net.cn	-

✅ Authoritative Response

Server:61.135.129.2

NS records: ns.dns.net.cn, ns7.dns.net.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bsdw.com.cn (unsigned zone)

⏱️ Timing

Total: 4996ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.138.48.232`
NS	3	`ns.dns.net.cn, ns7.dns.net.cn...`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
SOA	1	`ns.dns.net.cn admin.dns.net.cn`

Analysis

IP Addresses

bsdw.com.cn has exactly one IP address — 180.138.48.232.

Name Servers

bsdw.com.cn has three name servers — ns20.dns.net.cn, ns7.dns.net.cn and ns.dns.net.cn.

There is at least partial name server overlap between bsdw.com.cn and other domains — stafsjoe.cn, gcchina.com.cn, sxkjg.net and two more among them.

Each of the three hostnames points to exactly one IP address: ns20.dns.net.cn points to 61.135.129.3, ns7.dns.net.cn points to 118.145.6.5 and ns.dns.net.cn points to 61.135.129.2.

Mail Servers

bsdw.com.cn uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of bsdw.com.cn matches that of other domains such as outetools.com, hnyzxx.com, sychuang.com and two others.

bsdw.com.cn and a number of other domains — huochequan.com, thewisecn.com, uni-creator.com.cn and ztwhrh-tw.asia among them — share at least some of the same mail servers.

bsdw.com.cn - robtex.com

bsdw.com.cn

com.cn