`duoce.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=2034795289

Same first word

duoce.cn

duoce.net

Similar names

educo.de

ecduo.com

ucode.id

coedu.us

edocu.co.kr

educo.org

cuedo.app

eudoc.de

dueco.it

ucedo.com

educo.com

edocu.cz

codeu.co

oucde.com

edocu.com

educo.nl

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educo.co.kr

uedoc.com

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ecodu.id

edocu.sk

codeu.de

codeu.com

udeco.net

ucode.me

ceduo.site

doceu.cloud

educo.ch

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ceudo.com

docue.com

douce.de

edocu.org

educo.app

ocedu.com

udeco.no

eudoc.eu

educo.no

educo.es

decou.net

duceo.com

educo.com.tr

dueco.com

deuco.co.uk

educo.org.ph

eudoc.com.ua

cuedo.co.nz

ceduo.com

educo.sk

douce.co.uk

eudoc.me

educo.ie

ucode.cn

eucod.io

douce.be

ecduo.cn

educo.com.pl

oucde.net

ecudo.com

dueco.de

ceduo.se

udeco.se

ucode.world

douce.eu

ucode.github.io

edocu.net

eucod.com

educo.me

ocedu.cn

educo.nyc

ucode.xyz

ucode.net

ucode.de

dueco.com.br

ducoe.com

cuedo.com.au

educo.tv

ucode.info

ucode.io

eudoc.org

educo.ru

udeco.eu

douec.com

ucode.co.kr

ceduo.azureedge.net

oudec.com

ucode.vn

cuedo.au

dueco.eu

educo.com.mx

educo.as

douce.biz

ucode.nl

educo.in

ecodu.de

dueco.ch

decou.ca

DNS History

7 records (3 active, 4 former)

●NSdns10.hichina.com2020-01-20 → 2026-05-15 · 2 obs

● 2020-01-20 20:34:04
● 2026-05-15 09:15:20

●NSdns9.hichina.com2020-01-20 → 2026-05-15 · 2 obs

● 2020-01-20 20:34:04
● 2026-05-15 09:15:20

○MXmail.skrimple.com2015-08-07 → 2017-01-25 · 4 obs

● 2015-08-07 16:58:04
● 2017-01-25 17:01:10
○ 2020-01-20 20:34:04
○ 2026-05-15 09:15:20

○A47.91.170.2222020-01-20 → 2020-01-20 · 4 obs

○ 2017-01-25 17:01:10
● 2020-01-20 20:34:04
○ 2026-03-27 15:46:04
○ 2026-05-15 09:15:20

○A50.117.116.1172015-08-07 → 2016-03-17 · 4 obs

● 2015-08-07 16:58:04
● 2016-03-17 00:16:00
○ 2017-01-25 17:01:10
○ 2026-05-15 09:15:20

○A50.117.120.2532015-08-07 → 2017-01-25 · 4 obs

● 2015-08-07 16:58:04
● 2017-01-25 17:01:10
○ 2020-01-20 20:34:04
○ 2026-05-15 09:15:20

●CNAMEoverdue.aliyun.com2026-03-27 → 2026-05-15 · 2 obs

● 2026-03-27 15:46:04
● 2026-05-15 09:15:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...	-
duoce.cn	dns9.hichina.com, dns10.hichina.com	-

✅ Authoritative Response

Server:2408:4009:501::18

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duoce.cn (unsigned zone)

⏱️ Timing

Total: 3211ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns10.hichina.com, dns9.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

duoce.cn maps to IP address 170.33.12.185.

Other host names, for instance hghp.cn, ewem.cn, qgms.cn, fgrj.cn and tdjm.cn share IP numbers with duoce.cn.

duoce.cn - robtex.com

duoce.cn

cn