`bjrailtech.com.cn`

DNSSEC	⚠️ Not signed
A	103.149.92.69^{🇭🇰 AS401696103.149.92.0/24 Proxy-registered route object}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1775790873

`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=2030742372

WOT: NOT_SAFE (20/100)

Same first word

bjrailtech.com.cn

DNS History

13 records (5 active, 8 former)

○NSjm1.alidns.com2020-04-03 → 2020-04-03 · 4 obs

○ 2017-03-16 11:18:48
● 2020-04-03 03:16:52
○ 2026-08-03 16:36:10
○ 2026-08-09 00:48:22

○NSjm2.alidns.com2020-04-03 → 2020-04-03 · 4 obs

○ 2017-03-16 11:18:48
● 2020-04-03 03:16:52
○ 2026-08-03 16:36:10
○ 2026-08-09 00:48:22

●NSns1.judns.com2026-08-03 → 2026-08-09 · 3 obs

○ 2020-04-03 03:16:52
● 2026-08-03 16:36:10
● 2026-08-09 00:48:22

●NSns1.julydns.com2026-08-03 → 2026-08-09 · 3 obs

○ 2020-04-03 03:16:52
● 2026-08-03 16:36:10
● 2026-08-09 00:48:22

○NSns1.sinonets.net.cn2015-08-02 → 2017-03-16 · 4 obs

● 2015-08-02 12:07:38
● 2017-03-16 11:18:48
○ 2020-04-03 03:16:52
○ 2026-08-09 00:48:22

●NSns2.judns.com2026-08-03 → 2026-08-09 · 3 obs

○ 2020-04-03 03:16:52
● 2026-08-03 16:36:10
● 2026-08-09 00:48:22

●NSns2.julydns.com2026-08-03 → 2026-08-09 · 3 obs

○ 2020-04-03 03:16:52
● 2026-08-03 16:36:10
● 2026-08-09 00:48:22

○NSns2.sinonets.net.cn2015-08-02 → 2017-03-16 · 4 obs

● 2015-08-02 12:07:38
● 2017-03-16 11:18:48
○ 2020-04-03 03:16:52
○ 2026-08-09 00:48:22

○MXmail.bjrailtech.com.cn2015-08-02 → 2017-03-16 · 4 obs

● 2015-08-02 12:07:38
● 2017-03-16 11:18:48
○ 2020-04-03 03:16:52
○ 2026-08-09 00:48:22

●A103.149.92.692026-08-03 → 2026-08-09 · 3 obs

○ 2020-04-03 03:16:52
● 2026-08-03 16:36:10
● 2026-08-09 00:48:22

○A114.113.144.392015-08-02 → 2017-03-16 · 4 obs

● 2015-08-02 12:07:38
● 2017-03-16 11:18:48
○ 2020-04-03 03:16:52
○ 2026-08-09 00:48:22

○A23.89.243.2032020-04-03 → 2020-04-03 · 4 obs

○ 2017-03-16 11:18:48
● 2020-04-03 03:16:52
○ 2026-08-03 16:36:10
○ 2026-08-09 00:48:22

○A47.56.168.1922020-04-03 → 2020-04-03 · 4 obs

○ 2017-03-16 11:18:48
● 2020-04-03 03:16:52
○ 2026-08-03 16:36:10
○ 2026-08-09 00:48:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	11 records
bjrailtech.com.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 980ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.149.92.69`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 11

In-bailiwick: 10 (a.dns.cn, a.dns.cn, b.dns.cn...)

Out-of-bailiwick: 1 (ns.cernet.net)

Analysis

IP Addresses

bjrailtech.com.cn points to a single IP number: 103.149.92.69.

Additional host names — jybdl.cn, my9484.com.cn, tlfzx.cn and two others — share IP numbers with bjrailtech.com.cn.

Name Servers

bjrailtech.com.cn has four authoritative name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

bjrailtech.com.cn partially shares its NS delegation with several other domains, including vbnck.com, tnz.cn, bbcpn9ji.mobi and two others.

These name servers are regularly seen alongside ns1.onclouddns.com and ns2.onclouddns.com as name servers.

ns1.judns.com and ns2.judns.com each resolve to 162.159.27.251, while ns1.julydns.com and ns2.julydns.com each resolve to 162.159.48.223.

These two host names — ns1.judns.com and ns2.judns.com — each point to 162.159.27.251 IP addresses.

These two host names — ns1.julydns.com and ns2.julydns.com — each point to 162.159.48.223 IP addresses.

bjrailtech.com.cn - robtex.com