`dwcd.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=2034590343

Previously NS for

dwcd.cn

Same first word

dwcd.kr

dwcd.cn

dwcd.co.uk

Similar names

ddwc.de

dcwd.cn

dcwd.com

ddcw.cn

wcdd.com

dcdw.org

wddc.blogspot.com

ddcw.com

ddwc.church

wcdd.cn

dcdw.nl

dwdc.nl

ddcw.com.cn

wcdd.org

ddwc.cn

dcwd.us

cdwd.cn

ddwc.tv

dwdc.com

cwdd.com

wddc.com

dwdc.net

dcdw.ru

dcwd.gov.ph

wdcd.cn

cddw.de

dwdc.de

wddc.org

wddc.net

ddwc.org

dcwd.co.uk

wcdd.nl

dcdw.netlify.app

cdwd.ru

dcwd.org

cdwd.com

ddwc.com.cn

ddwc.net

cwdd.info

dcdw.com

wddc.cn

ddwc.com

cddw.com

dcwd.se

DNS History

5 records (3 active, 2 former)

●NSdns17.hichina.com2026-02-27 → 2026-03-26 · 3 obs

○ 2018-09-30 08:09:56
● 2026-02-27 09:46:12
● 2026-03-26 17:25:26

●NSdns18.hichina.com2026-02-27 → 2026-03-26 · 3 obs

○ 2018-09-30 08:09:56
● 2026-02-27 09:46:12
● 2026-03-26 17:25:26

○NSdwcd.cn2015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 13:59:56
○ 2018-09-30 08:09:56
○ 2026-03-26 17:25:26

○A98.126.171.2132015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 13:59:56
○ 2018-09-30 08:09:56
○ 2026-03-26 17:25:26

●CNAMEoverdue.aliyun.com2026-02-27 → 2026-03-26 · 2 obs

● 2026-02-27 09:46:12
● 2026-03-26 17:25:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn...	-
dwcd.cn	dns17.hichina.com, dns18.hichina.com	-

✅ Authoritative Response

Server:39.96.153.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dwcd.cn (unsigned zone)

⏱️ Timing

Total: 1255ms | 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

dwcd.cn points to a single IP: 170.33.12.185.

Other host names, for instance dounao.com, mwcs.cn, zmkb.cn, hghp.cn and ewem.cn share IP numbers with dwcd.cn.

dwcd.cn - robtex.com

dwcd.cn

cn