`4739.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=2035093907

Same first word

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DNS History

10 records (3 active, 7 former)

●NSdns21.hichina.com2026-07-07 → 2026-07-26 · 3 obs

○ 2017-01-03 22:23:00
● 2026-07-07 07:35:10
● 2026-07-26 19:50:08

●NSdns22.hichina.com2026-07-07 → 2026-07-26 · 3 obs

○ 2017-01-03 22:23:00
● 2026-07-07 07:35:10
● 2026-07-26 19:50:08

○NSwww.4739.cn2015-08-05 → 2017-01-03 · 4 obs

● 2015-08-05 11:29:34
● 2017-01-03 22:23:00
○ 2026-07-07 07:35:10
○ 2026-07-26 19:50:08

○MXio.bouncemx.com2015-11-25 → 2016-09-17 · 4 obs

● 2015-11-25 02:56:34
● 2016-09-17 18:20:06
○ 2026-07-07 07:35:10
○ 2026-07-26 19:50:08

○A70.39.84.2302015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 11:29:34
○ 2026-07-07 07:35:10
○ 2026-07-26 19:50:08

○A70.39.84.2412016-03-10 → 2016-03-10 · 4 obs

○ 2015-11-25 02:56:34
● 2016-03-10 12:50:24
○ 2016-09-17 18:20:06
○ 2026-07-26 19:50:08

○A70.39.84.2482015-11-25 → 2015-11-25 · 4 obs

○ 2015-08-05 11:29:34
● 2015-11-25 02:56:34
○ 2016-03-10 12:50:24
○ 2026-07-26 19:50:08

○A70.39.84.2492016-09-17 → 2016-09-17 · 4 obs

○ 2016-03-10 12:50:24
● 2016-09-17 18:20:06
○ 2026-07-07 07:35:10
○ 2026-07-26 19:50:08

○CNAMEnum4.dcoin.co2015-08-05 → 2016-09-17 · 4 obs

● 2015-08-05 11:29:34
● 2016-09-17 18:20:06
○ 2017-01-03 22:23:00
○ 2026-07-26 19:50:08

●CNAMEoverdue.aliyun.com2026-07-26 → 2026-07-26 · 2 obs

○ 2017-01-03 22:23:00
● 2026-07-26 19:50:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
4739.cn	dns21.hichina.com, dns22.hichina.com	-

✅ Authoritative Response

Server:39.96.153.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4739.cn (unsigned zone)

⏱️ Timing

Total: 1910ms | 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

4739.cn resolves to one IP address: 170.33.12.185.

buchaoxi.com, 5656hg.com, 1588hg.com and two other host names share IP numbers with 4739.cn.

4739.cn - robtex.com

4739.cn

cn