`rdzs.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=2034660423

Same first word

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DNS History

8 records (3 active, 5 former)

●NSdns17.hichina.com2020-02-13 → 2026-04-11 · 3 obs

○ 2016-07-18 15:43:08
● 2020-02-13 06:41:48
● 2026-04-11 23:46:14

●NSdns18.hichina.com2020-02-13 → 2026-04-11 · 3 obs

○ 2016-07-18 15:43:08
● 2020-02-13 06:41:48
● 2026-04-11 23:46:14

○NSns11.xincache.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 01:03:46
○ 2015-10-28 16:39:50
○ 2026-04-11 23:46:14

○NSns12.xincache.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 01:03:46
○ 2015-10-28 16:39:50
○ 2026-04-11 23:46:14

○NSns13.xincache.com2015-10-28 → 2016-07-18 · 5 obs

○ 2015-05-17 01:03:46
● 2015-10-28 16:39:50
● 2016-07-18 15:43:08
○ 2020-02-13 06:41:48
○ 2026-04-11 23:46:14

○NSns14.xincache.com2015-10-28 → 2016-07-18 · 5 obs

○ 2015-05-17 01:03:46
● 2015-10-28 16:39:50
● 2016-07-18 15:43:08
○ 2020-02-13 06:41:48
○ 2026-04-11 23:46:14

○A61.191.191.1562015-05-17 → 2016-07-18 · 4 obs

● 2015-05-17 01:03:46
● 2016-07-18 15:43:08
○ 2020-02-13 06:41:48
○ 2026-04-11 23:46:14

●CNAMEoverdue.aliyun.com2020-02-13 → 2026-04-11 · 2 obs

● 2020-02-13 06:41:48
● 2026-04-11 23:46:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
rdzs.cn	dns17.hichina.com, dns18.hichina.com	-

✅ Authoritative Response

Server:47.118.199.220

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rdzs.cn (unsigned zone)

⏱️ Timing

Total: 1855ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns18.hichina.com, dns17.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

rdzs.cn points to IP number: 170.33.12.185.

Other host names such as metrue.cn, qmrf.cn, jnb.cc, jhlg.cn and bcfy.cn share IPs with rdzs.cn.

rdzs.cn - robtex.com

rdzs.cn

cn