`1rb.cn`

	CNAME	`overdue.aliyun.com`
	DNSSEC	⚠️ Not signed
	A	170.33.12.185^{🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}

`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=2034601334

Same first word

1rb.co.uk

1rb.ru

1rb.cn

1rb.biz

1rb.de

1rb.su

1rb.org

Similar names

rb1.ru

rb1.com

rb1.org

br1.de

r1b.com

br1.es

br1.eu

1br.net

b1r.de

1br.cc

rb1.online

1br.cn

1br.com.br

br1.ru

br1.biz

rb1.ca

r1b.cz

br1.us

1br.org

1br.co

1br.lv

br1.jp

rb1.com.br

rb1.co.uk

b1r.org

rb1.com.au

rb1.de

br1.it

br1.com

b1r.ru

br1.net

r1b.fr

1br.com

r1b.net

br1.hr

1br.biz

r1b.jp

rb1.us

1br.de

b1r.com

br1.ch

1br.pl

DNS History

11 records (3 active, 8 former)

○NSdns1.iidns.com2017-02-07 → 2017-07-28 · 5 obs

○ 2016-04-10 23:18:56
● 2017-02-07 02:23:22
● 2017-07-28 08:12:06
○ 2026-03-27 10:00:52
○ 2026-03-28 21:38:50

●NSdns15.hichina.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-07-28 08:12:06
● 2026-03-27 10:00:52
● 2026-03-28 21:38:50

●NSdns16.hichina.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-07-28 08:12:06
● 2026-03-27 10:00:52
● 2026-03-28 21:38:50

○NSwww.1rb.cn2015-06-18 → 2016-04-10 · 4 obs

● 2015-06-18 00:34:48
● 2016-04-10 23:18:56
○ 2017-02-07 02:23:22
○ 2026-03-28 21:38:50

○MXio.bouncemx.com2015-11-01 → 2016-04-10 · 4 obs

● 2015-11-01 22:53:50
● 2016-04-10 23:18:56
○ 2017-07-28 08:12:06
○ 2026-03-28 21:38:50

○A70.39.84.2332016-01-25 → 2016-01-25 · 4 obs

○ 2015-11-01 22:53:50
● 2016-01-25 19:48:20
○ 2016-04-10 23:18:56
○ 2026-03-28 21:38:50

○A70.39.84.2372016-04-10 → 2016-04-10 · 4 obs

○ 2016-01-25 19:48:20
● 2016-04-10 23:18:56
○ 2017-02-07 02:23:22
○ 2026-03-28 21:38:50

○A70.39.84.2412015-11-01 → 2015-11-01 · 4 obs

○ 2015-06-18 00:34:48
● 2015-11-01 22:53:50
○ 2016-01-25 19:48:20
○ 2026-03-28 21:38:50

○A70.39.84.2462015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 00:34:48
○ 2017-02-07 02:23:22
○ 2026-03-28 21:38:50

○CNAMEnum1.dcoin.co2015-06-18 → 2016-04-10 · 4 obs

● 2015-06-18 00:34:48
● 2016-04-10 23:18:56
○ 2017-02-07 02:23:22
○ 2026-03-28 21:38:50

●CNAMEoverdue.aliyun.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-02-07 02:23:22
● 2026-03-27 10:00:52
● 2026-03-28 21:38:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
1rb.cn	dns15.hichina.com, dns16.hichina.com	-

✅ Authoritative Response

Server:39.96.153.42

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1rb.cn (unsigned zone)

⏱️ Timing

Total: 1776ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns15.hichina.com, dns16.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

1rb.cn resolves to one IP number: 170.33.12.185.

other host names including fkcx.cn, hldm.cn, ahjq.cn, bpsp.cn and btdb.cn share IP numbers with 1rb.cn.

1rb.cn - robtex.com

1rb.cn

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