`ydhm.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=2034603260

Same first word

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ydhm.cn

ydhm.com.cn

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myhd.cl

DNS History

8 records (3 active, 5 former)

○NSdns.bizcn.com2016-01-27 → 2018-06-13 · 5 obs

○ 2015-06-17 08:04:10
● 2016-01-27 14:13:48
● 2018-06-13 20:40:44
○ 2026-03-27 00:15:46
○ 2026-03-29 03:05:30

●NSdns27.hichina.com2026-03-27 → 2026-03-29 · 3 obs

○ 2018-06-13 20:40:44
● 2026-03-27 00:15:46
● 2026-03-29 03:05:30

●NSdns28.hichina.com2026-03-27 → 2026-03-29 · 3 obs

○ 2018-06-13 20:40:44
● 2026-03-27 00:15:46
● 2026-03-29 03:05:30

○NSns5.cnmsn.net2015-06-17 → 2018-06-13 · 5 obs

● 2015-06-17 08:04:10
○ 2016-01-27 14:13:48
● 2018-06-13 20:40:44
○ 2026-03-27 00:15:46
○ 2026-03-29 03:05:30

○NSns6.cnmsn.net2015-06-17 → 2018-06-13 · 5 obs

● 2015-06-17 08:04:10
○ 2016-01-27 14:13:48
● 2018-06-13 20:40:44
○ 2026-03-27 00:15:46
○ 2026-03-29 03:05:30

○A174.36.74.1002015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 08:04:10
○ 2018-06-13 20:40:44
○ 2026-03-29 03:05:30

○A61.147.124.1962015-06-17 → 2018-06-13 · 4 obs

● 2015-06-17 08:04:10
● 2018-06-13 20:40:44
○ 2026-03-27 00:15:46
○ 2026-03-29 03:05:30

●CNAMEoverdue.aliyun.com2026-03-27 → 2026-03-29 · 2 obs

● 2026-03-27 00:15:46
● 2026-03-29 03:05:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...	-
ydhm.cn	dns27.hichina.com, dns28.hichina.com	-

✅ Authoritative Response

Server:120.76.107.62

NS records: dns27.hichina.com, dns28.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ydhm.cn (unsigned zone)

⏱️ Timing

Total: 2792ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns28.hichina.com, dns27.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns27.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

ydhm.cn maps to IP address 170.33.12.185.

Other host names, for instance hghp.cn, ewem.cn, topoac.com, qgms.cn and fgrj.cn share IP numbers with ydhm.cn.

ydhm.cn - robtex.com

ydhm.cn

cn