`rbmdc.cn`

DNSSEC	⚠️ Not signed
A	156.244.75.102^{🇺🇸 HKIDC-AS-AP156.244.64.0/18 Shenzhen Jizhan Technology Co., Ltd.}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
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=1770991634

`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.cn`root@cnnic.cn serial=2034590516

rank #678764 globally
rank #16854 in the tld

Same first word

rbmdc.cn

Similar names

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DNS History

5 records (5 active, 0 former)

●NSns1.judns.com2026-03-25 → 2026-03-26 · 2 obs

● 2026-03-25 00:30:36
● 2026-03-26 20:22:46

●NSns1.julydns.com2026-03-25 → 2026-03-26 · 2 obs

● 2026-03-25 00:30:36
● 2026-03-26 20:22:46

●NSns2.judns.com2026-03-25 → 2026-03-26 · 2 obs

● 2026-03-25 00:30:36
● 2026-03-26 20:22:46

●NSns2.julydns.com2026-03-25 → 2026-03-26 · 2 obs

● 2026-03-25 00:30:36
● 2026-03-26 20:22:46

●A156.244.75.1022026-03-25 → 2026-03-26 · 2 obs

● 2026-03-25 00:30:36
● 2026-03-26 20:22:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, b.dns.cn, c.dns.cn, a.dns.cn...	-
rbmdc.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 rbmdc.cn (unsigned zone)

⏱️ Timing

Total: 1327ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.244.75.102`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

rbmdc.cn points to a single IP number: 156.244.75.102.

Name Servers

rbmdc.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

rbmdc.cn shares name servers with other domains at least partially, for instance ytdadi.com, 1kq.cc, jtsm666.cn, dxghj.com.cn and hfbeisixue.com.