`study.163.co`

	DNSSEC	⚠️ Not signed
	A	47.240.5.85^{🇭🇰 Alibaba-Cloud47.240.0.0/17 Proxy-registered route object}

`163.co`

	DNSSEC	⚠️ Not signed
	A	47.240.5.85^{🇭🇰 Alibaba-Cloud47.240.0.0/17 Proxy-registered route object}
	NS	`ns1.dyna-ns.net` ⭐
	NS	`ns2.dyna-ns.net`
	SOA	`ns1.dyna-ns.net`hostmaster@163.co 2026-01-20 #1

Same first word

study.travel

study

study.mx

study.in.th

study.direct

study.zone

study.jp

study.cm

study.kg

study.tw

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study.football

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study.support

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study.credit

study.church

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study.world

study.es

study.ir

study.edu.ge

study.net

study.team

study.cafe

study.vic.gov.au

study.sk

study.monash

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study.tj

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study.computer

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study.it

study.gr.jp

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dstuy.com

dusty.co.uk

dusty.it

dusty.kasserver.com

dusty.com.br

tydus.org

dusty.tech

yduts.com

stydu.ru

dusty.dyndns.org

dusty.ca

dusty.co

sduty.com

tydus.net

duyts.nl

dusty.org

dusty.codes

dutys.com

duyts.amsterdam

dusty.se

dusty.cz

dusty.readthedocs.io

dusty.gr

dusty.no

dusty.page

stduy.com

dusty.wtf

dusty.tv

dusty.ru

dyust.io

dusty.nl

DNS History

1 record (1 active, 0 former)

●A47.240.5.852026-02-16 → 2026-03-16 · 2 obs

● 2026-02-16 03:05:58
● 2026-03-16 15:22:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
163.co	ns2.dyna-ns.net, ns1.dyna-ns.net	-

✅ Authoritative Response

Server: 162.159.26.92

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 163.co (unsigned zone)

⏱️ Timing

Total: 295ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.240.5.85`

Analysis

IP Addresses

study.163.co points to a single IP address: 47.240.5.85.

Other host names such as liyobinat.vns.me, site.me, 50.gg, card.im and atelier.2.ag share IP numbers with study.163.co.

study.163.co - robtex.com

study.163.co

163.co