`dzzh.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=2035180847

Same first word

dzzh.net

dzzh.cn

Similar names

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zhzd.blogspot.com

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zzdh.com

dhzz.com

dhzz.cn

hzzd.net

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dzhz.ru

zhzd.hr

zzdh.cc

zzhd.com

DNS History

7 records (3 active, 4 former)

●NSdns21.hichina.com2026-05-18 → 2026-08-14 · 3 obs

○ 2016-12-26 20:18:16
● 2026-05-18 09:41:36
● 2026-08-14 20:43:12

●NSdns22.hichina.com2026-05-18 → 2026-08-14 · 3 obs

○ 2016-12-26 20:18:16
● 2026-05-18 09:41:36
● 2026-08-14 20:43:12

○NSns17.xincache.com2015-08-14 → 2016-12-26 · 4 obs

● 2015-08-14 21:03:00
● 2016-12-26 20:18:16
○ 2026-05-18 09:41:36
○ 2026-08-14 20:43:12

○NSns18.xincache.com2015-08-14 → 2016-12-26 · 4 obs

● 2015-08-14 21:03:00
● 2016-12-26 20:18:16
○ 2026-05-18 09:41:36
○ 2026-08-14 20:43:12

○A123.1.194.632015-12-13 → 2016-12-26 · 5 obs

○ 2015-11-12 11:44:40
● 2015-12-13 06:53:56
● 2016-12-26 20:18:16
○ 2026-05-18 09:41:36
○ 2026-08-14 20:43:12

○A67.198.172.2262015-08-14 → 2015-11-12 · 4 obs

● 2015-08-14 21:03:00
● 2015-11-12 11:44:40
○ 2015-12-13 06:53:56
○ 2026-08-14 20:43:12

●CNAMEoverdue.aliyun.com2026-05-18 → 2026-08-14 · 3 obs

● 2026-05-18 09:41:36
○ 2026-07-08 08:11:12
● 2026-08-14 20:43:12

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:120.76.107.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dzzh.cn (unsigned zone)

⏱️ Timing

Total: 1945ms | Queries: -

📄 Records

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

Analysis

IP Addresses

dzzh.cn points to a single IP number: 170.33.12.185.

Additional host names — bc4399.com, dounao.com, lugu.com and two others — share IP numbers with dzzh.cn.

dzzh.cn - robtex.com

dzzh.cn

cn