`3chuedu.com`

DNSSEC	⚠️ Not signed
A	192.186.45.128^{🇺🇸 AS395776192.186.45.0/24 SKBroadband customer route}
NS	`ns1.dns.com` ⭐
		A	2001:df2:f080:2::1:1^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.23.191.128^{🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.86.21.128^{🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.dns.com`
		A	2001:df2:f080:2::1:2^{🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.23.191.129^{🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.86.21.129^{🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
SOA	`ns1.dns.com`admin@dns.com serial=1768152682

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774416637

Same first word

3chuedu.com

DNS History

9 records (3 active, 6 former)

○NSf1g1ns1.dnspod.net2017-01-03 → 2017-01-03 · 4 obs

○ 2016-04-28 18:21:50
● 2017-01-03 05:16:22
○ 2026-03-18 05:19:46
○ 2026-03-25 05:57:12

○NSf1g1ns2.dnspod.net2017-01-03 → 2017-01-03 · 4 obs

○ 2016-04-28 18:21:50
● 2017-01-03 05:16:22
○ 2026-03-18 05:19:46
○ 2026-03-25 05:57:12

○NSjim.ns.cloudflare.com2015-11-16 → 2016-04-28 · 4 obs

● 2015-11-16 01:55:32
● 2016-04-28 18:21:50
○ 2017-01-03 05:16:22
○ 2026-03-25 05:57:12

○NSjoan.ns.cloudflare.com2015-11-16 → 2016-04-28 · 4 obs

● 2015-11-16 01:55:32
● 2016-04-28 18:21:50
○ 2017-01-03 05:16:22
○ 2026-03-25 05:57:12

●NSns1.dns.com2026-03-18 → 2026-03-25 · 3 obs

○ 2017-01-03 05:16:22
● 2026-03-18 05:19:46
● 2026-03-25 05:57:12

●NSns2.dns.com2026-03-18 → 2026-03-25 · 3 obs

○ 2017-01-03 05:16:22
● 2026-03-18 05:19:46
● 2026-03-25 05:57:12

○A103.215.231.672018-06-14 → 2018-06-14 · 4 obs

○ 2016-04-28 18:21:50
● 2018-06-14 13:33:08
○ 2026-03-18 05:19:46
○ 2026-03-25 05:57:12

○A172.252.46.2112015-11-16 → 2016-04-28 · 4 obs

● 2015-11-16 01:55:32
● 2016-04-28 18:21:50
○ 2026-03-18 05:19:46
○ 2026-03-25 05:57:12

●A192.186.45.1282026-03-18 → 2026-03-25 · 3 obs

○ 2018-06-14 13:33:08
● 2026-03-18 05:19:46
● 2026-03-25 05:57:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
3chuedu.com	ns1.dns.com, ns2.dns.com	6 records

✅ Authoritative Response

Server:154.23.191.129

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3chuedu.com (unsigned zone)

⏱️ Timing

Total: 249ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.186.45.128`
NS	2	`ns1.dns.com, ns2.dns.com`
SOA	1	`ns1.dns.com admin.dns.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.dns.com, ns1.dns.com, ns1.dns.com...)

Analysis

IP Addresses

3chuedu.com points to a single IP number: 192.186.45.128.

Other host names, for instance ylwl-edu.com, cqzihang.com, dowdinggroup.com, xiaminz.com and schoolatbahamas.com share IP numbers with 3chuedu.com.

Name Servers

3chuedu.com is delegated to two name servers: ns1.dns.com and ns2.dns.com.

3chuedu.com uses the same name server setup as other domains, for instance 333858.com, lekuchina.com, xisuchina.com, liwenge.com and dzzjm.com.

Host names with three IP numbers: ns1.dns.com points to 2001:df2:f080:2::1:1, 154.23.191.128 and 154.86.21.128; ns2.dns.com points to 2001:df2:f080:2::1:2, 154.23.191.129 and 154.86.21.129.

3chuedu.com - robtex.com

3chuedu.com

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