`tekdu.cn`

DNSSEC	⚠️ Not signed
A	177.210.141.30^{🇧🇷 UNSPECIFIED160.0.0.0/3}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1774864312

`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=2034618651

Subdomains

share.tekdu.cn

www.tekdu.cn

Same first word

tekdu.com

tekdu.cn

Similar names

edutk.github.io

dutek.cn

edukt.info

ukdte.in

kudet.de

detuk.com

kuted.com

dekut.com

dekut.hu

tdeuk.com

teduk.com

dteuk.com

udtek.com

ktedu.cn

dutek.com

eudtk.com

dkute.com

kudet.com

edukt.cn

edukt.net

tukde.com

edukt.com

tkedu.net

edukt.de

tuked.com

etduk.co.uk

dutek.de

edutk.com

udtke.de

DNS History

6 records (5 active, 1 former)

●NSns1.judns.com2026-03-25 → 2026-04-01 · 2 obs

● 2026-03-25 05:30:02
● 2026-04-01 02:09:12

●NSns1.julydns.com2026-03-25 → 2026-04-01 · 2 obs

● 2026-03-25 05:30:02
● 2026-04-01 02:09:12

●NSns2.judns.com2026-03-25 → 2026-04-01 · 2 obs

● 2026-03-25 05:30:02
● 2026-04-01 02:09:12

●NSns2.julydns.com2026-03-25 → 2026-04-01 · 2 obs

● 2026-03-25 05:30:02
● 2026-04-01 02:09:12

●A177.210.141.302026-04-01 → 2026-04-01 · 3 obs

○ 2026-03-26 17:01:00
● 2026-04-01 02:09:10
● 2026-04-01 02:09:12

○A45.199.58.842026-03-25 → 2026-03-26 · 4 obs

● 2026-03-25 05:30:02
● 2026-03-26 17:01:00
○ 2026-04-01 02:09:10
○ 2026-04-01 02:09:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, a.dns.cn, b.dns.cn, c.dns.cn...	-
tekdu.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tekdu.cn (unsigned zone)

⏱️ Timing

Total: 3512ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`177.210.141.30`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

Hierarchy

tekdu.cn is a parent of share.tekdu.cn and www.tekdu.cn.

IP Addresses

tekdu.cn points to IP number 177.210.141.30.

For instance, other host names www.share.slrjzs.com, share.slrjzs.com, read.share.slrjzs.com, gwedvmc.cn and slrjzs.com share IP numbers with tekdu.cn.

Name Servers

tekdu.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

tekdu.cn shares name servers with other domains at least partially, for example llyy.org, wxxdd.cn, bmrd.cn, link3g.com and longbrand.net.