`bigchange-edu.com`

DNSSEC	⚠️ Not signed
A	192.155.160.94^{🇺🇸 AS395776192.155.160.0/24 Enclue}
A	192.186.45.20^{🇺🇸 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=1768153129

`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=1777515571

Same first word

bigchange-edu.com

DNS History

7 records (4 active, 3 former)

●NSns1.dns.com2026-04-24 → 2026-04-30 · 3 obs

○ 2019-12-18 05:54:42
● 2026-04-24 05:11:48
● 2026-04-30 02:25:04

○NSns13.domaincontrol.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 05:54:42
○ 2026-04-24 05:11:48
○ 2026-04-30 02:25:04

○NSns14.domaincontrol.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 05:54:42
○ 2026-04-24 05:11:48
○ 2026-04-30 02:25:04

●NSns2.dns.com2026-04-24 → 2026-04-30 · 3 obs

○ 2019-12-18 05:54:42
● 2026-04-24 05:11:48
● 2026-04-30 02:25:04

●A192.155.160.942026-04-24 → 2026-04-30 · 3 obs

○ 2019-12-18 05:54:42
● 2026-04-24 05:11:48
● 2026-04-30 02:25:04

●A192.186.45.202026-04-24 → 2026-04-30 · 3 obs

○ 2019-12-18 05:54:42
● 2026-04-24 05:11:48
● 2026-04-30 02:25:04

○A50.63.202.602019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 05:54:42
○ 2026-04-24 05:11:48
○ 2026-04-30 02:25:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bigchange-edu.com	ns1.dns.com, ns2.dns.com	6 records

✅ Authoritative Response

Server:154.23.191.128

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bigchange-edu.com (unsigned zone)

⏱️ Timing

Total: 541ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`192.186.45.20, 192.155.160.94`
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

bigchange-edu.com resolves to two IP numbers: 192.155.160.94 and 192.186.45.20.

Other host names, for instance chfnw.org, x-yachtschina.com, cnfamen.org, bluedoorsgroup.com and apiochina.com share IP numbers with bigchange-edu.com.

Name Servers

bigchange-edu.com has two name servers: ns1.dns.com and ns2.dns.com.

bigchange-edu.com shares the same name server setup as other domains, for example xinyishua.com, sinceaudio.net, browsersfeedback.com, huinuo-edu.com and 00zz8332.com.

bigchange-edu.com shares name servers with other domains to some extent, for example 9310.org and xnqihang.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.

bigchange-edu.com - robtex.com