`ouan.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=2035094534

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DNS History

10 records (3 active, 7 former)

●NSdns21.hichina.com2026-06-13 → 2026-07-27 · 3 obs

○ 2017-01-31 17:53:02
● 2026-06-13 01:28:44
● 2026-07-27 01:36:10

●NSdns22.hichina.com2026-06-13 → 2026-07-27 · 3 obs

○ 2017-01-31 17:53:02
● 2026-06-13 01:28:44
● 2026-07-27 01:36:10

○NSwww.ouan.cn2015-06-25 → 2017-01-31 · 4 obs

● 2015-06-25 14:47:22
● 2017-01-31 17:53:02
○ 2026-06-13 01:28:44
○ 2026-07-27 01:36:10

○MXio.bouncemx.com2015-11-05 → 2017-01-31 · 4 obs

● 2015-11-05 06:29:22
● 2017-01-31 17:53:02
○ 2026-06-13 01:28:44
○ 2026-07-27 01:36:10

○A70.39.84.2292015-11-05 → 2015-11-05 · 4 obs

○ 2015-06-25 14:47:22
● 2015-11-05 06:29:22
○ 2016-02-23 23:16:36
○ 2026-07-27 01:36:10

○A70.39.84.2352017-01-31 → 2017-01-31 · 4 obs

○ 2016-05-10 13:32:02
● 2017-01-31 17:53:02
○ 2026-06-13 01:28:44
○ 2026-07-27 01:36:10

○A70.39.84.2492015-06-25 → 2016-02-23 · 4 obs

● 2015-06-25 14:47:22
● 2016-02-23 23:16:36
○ 2016-05-10 13:32:02
○ 2026-07-27 01:36:10

○A70.39.84.2502016-05-10 → 2016-05-10 · 4 obs

○ 2016-02-23 23:16:36
● 2016-05-10 13:32:02
○ 2017-01-31 17:53:02
○ 2026-07-27 01:36:10

○CNAMEo.dcoin.co2015-06-25 → 2017-01-31 · 4 obs

● 2015-06-25 14:47:22
● 2017-01-31 17:53:02
○ 2026-06-13 01:28:44
○ 2026-07-27 01:36:10

●CNAMEoverdue.aliyun.com2026-06-13 → 2026-07-27 · 5 obs

○ 2017-01-31 17:53:02
● 2026-06-13 01:28:44
○ 2026-06-24 16:40:28
● 2026-07-20 22:27:34
● 2026-07-27 01:36:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
ouan.cn	dns21.hichina.com, dns22.hichina.com	-

✅ Authoritative Response

Server:47.118.199.200

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ouan.cn (unsigned zone)

⏱️ Timing

Total: 1943ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns22.hichina.com, dns21.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

ouan.cn resolves to one IP address: 170.33.12.185.

overdue.aliyun.com, bc4399.com, dounao.com and two other host names share IP numbers with ouan.cn.

ouan.cn - robtex.com

ouan.cn

cn