`rdbr.cn`

DNSSEC	⚠️ Not signed
A	103.43.191.11^{🇸🇬 WEST263GO-HK103.43.188.0/22 ZHONGYA PTE LTD 15 Pioneer Walk Singapore}
NS	`dns27.hichina.com` ⭐
		A	2408:4009:501::35^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.109^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns28.hichina.com`
		A	2408:4009:501::36^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.107^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns27.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`cn`

	DNSSEC	⚠️ Not signed
	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 2035-07-23 #36

Previously NS for

rdbr.cn

Same first word

rdbr.de

rdbr.com.br

rdbr.org

rdbr.io

rdbr.cn

Similar names

rrdb.herokuapp.com

rbdr.ru

rrbd.net

drbr.cn

rdrb.com.cn

brdr.us

brdr.jp

brdr.fr

rbdr.net

rrdb.cn

brdr.com

drrb.co.il

brdr.nl

drbr.eu

dbrr.com

brrd.cn

brrd.qpon

rrdb.com

brdr.net

bdrr.org

brrd.com

dbrr.cn

rrbd.cn

drbr.de

brdr.dk

rbdr.cn

rbrd.io

rrdb.org

rdrb.de

brdr.store

rrbd.lv

drrb.dk

rbrd.ru

rrbd.com

brrd.net

drrb.com

bdrr.net

rdrb.net.cn

brdr.org

drbr.org

rrdb.my

DNS History

10 records (3 active, 7 former)

○NSdns1.everdns.com2019-07-02 → 2019-07-02 · 4 obs

○ 2015-11-24 12:59:46
● 2019-07-02 23:52:12
○ 2026-06-28 21:25:06
○ 2026-07-21 23:53:20

○NSdns2.everdns.com2019-07-02 → 2019-07-02 · 4 obs

○ 2015-11-24 12:59:46
● 2019-07-02 23:52:12
○ 2026-06-28 21:25:06
○ 2026-07-21 23:53:20

●NSdns27.hichina.com2026-06-28 → 2026-07-21 · 3 obs

○ 2019-07-02 23:52:12
● 2026-06-28 21:25:06
● 2026-07-21 23:53:20

●NSdns28.hichina.com2026-06-28 → 2026-07-21 · 3 obs

○ 2019-07-02 23:52:12
● 2026-06-28 21:25:06
● 2026-07-21 23:53:20

○NSns1.alidns.com2015-11-24 → 2015-11-24 · 4 obs

○ 2015-07-11 04:33:36
● 2015-11-24 12:59:46
○ 2019-07-02 23:52:12
○ 2026-07-21 23:53:20

○NSns2.alidns.com2015-11-24 → 2015-11-24 · 4 obs

○ 2015-07-11 04:33:36
● 2015-11-24 12:59:46
○ 2019-07-02 23:52:12
○ 2026-07-21 23:53:20

○NSrdbr.cn2015-07-11 → 2015-07-11 · 3 obs

● 2015-07-11 04:33:36
○ 2015-11-24 12:59:46
○ 2026-07-21 23:53:20

●A103.43.191.112026-06-28 → 2026-07-21 · 3 obs

○ 2015-11-24 12:59:46
● 2026-06-28 21:25:06
● 2026-07-21 23:53:20

○A174.139.207.1782015-07-11 → 2015-07-11 · 3 obs

● 2015-07-11 04:33:36
○ 2015-11-24 12:59:46
○ 2026-07-21 23:53:20

○CNAMEcs.ename.net2019-07-02 → 2019-07-02 · 3 obs

● 2019-07-02 23:52:12
○ 2026-06-28 21:25:06
○ 2026-07-21 23:53:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
rdbr.cn	dns27.hichina.com, dns28.hichina.com	-

✅ Authoritative Response

Server:39.96.153.62

NS records: dns27.hichina.com, dns28.hichina.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at rdbr.cn: Error: DNS query timeout: 203.119.29.1 for DS rdbr.cn

⏱️ Timing

Total: 4246ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.43.191.11`
NS	2	`dns28.hichina.com, dns27.hichina.com`
SOA	1	`dns27.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

rdbr.cn has exactly one IP address — 103.43.191.11.

laobiao.com.cname.yunjiasu-cdn.net, fkkf.cn, ytwo.cn plus two other host names have IP numbers in common with rdbr.cn.

Name Servers

The NS records for rdbr.cn delegate to dns27.hichina.com and dns28.hichina.com.

The name server configuration of rdbr.cn is shared with other domains, for instance 05327788.com, dpr-sh.com, pure-hydrogen.com and two others.

The name servers of rdbr.cn overlap at least partially with those of other domains — among them ai1719.cn, asbc.cn, aigcml.com and two more.

These name servers commonly co-occur with the name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Hosts with 9 IP addresses each:

dns27.hichina.com maps to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 additional IP addresses.

dns28.hichina.com maps to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 additional IP addresses.

rdbr.cn - robtex.com

rdbr.cn

cn