`cydg.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`
	SOA	`a.dns.cn`root@cnnic.cn serial=2034590716

Previously NS for

cydg.cn

Same first word

cydg.cn

cydg.net

Similar names

gycd.net

gdcy.net

gycd.cn

cgyd.com.cn

cdyg.net

dygc.co.kr

dcyg.com

ygdc.com

gdyc.cc

gdyc.gov.cn

ycgd.net

cgdy.com

dgyc.com

dcyg.net

ycdg.cn

cdyg.cn

cgdy.net

dcgy.net

ydgc.com

gcdy.cn

cdgy.net

gcdy.beer

ydgc.org

gdyc.com.cn

gdcy.com.cn

gydc.net

cygd.com

dycg.com

dcyg.shop

gycd.com

gdcy.org

gcdy.shop

ydcg.com

cgyd.com

ycgd.com

cygd.net

gdcy.com

gcdy.net

ygcd.net

cdyg.com

DNS History

5 records (3 active, 2 former)

○NScydg.cn2015-07-01 → 2015-07-01 · 3 obs

● 2015-07-01 18:33:08
○ 2026-03-26 00:37:38
○ 2026-03-26 22:03:00

●NSdns27.hichina.com2026-03-26 → 2026-03-26 · 3 obs

○ 2015-07-01 18:33:08
● 2026-03-26 00:37:38
● 2026-03-26 22:03:00

●NSdns28.hichina.com2026-03-26 → 2026-03-26 · 3 obs

○ 2015-07-01 18:33:08
● 2026-03-26 00:37:38
● 2026-03-26 22:03:00

○A98.126.171.2132015-07-01 → 2015-07-01 · 3 obs

● 2015-07-01 18:33:08
○ 2026-03-26 00:37:38
○ 2026-03-26 22:03:00

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

● 2026-03-26 00:37:38
● 2026-03-26 22:03:00

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:47.118.199.197

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cydg.cn (unsigned zone)

⏱️ Timing

Total: 1681ms | 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

cydg.cn points to a single IP: 170.33.12.185.

Other host names, for instance metrue.cn, qmrf.cn, jnb.cc, jhlg.cn and bcfy.cn share IP numbers with cydg.cn.

cydg.cn - robtex.com

cydg.cn

cn