`quangcaoleduong.com`

DNSSEC	⚠️ Not signed
A	112.213.91.61^{🇻🇳 SUPERDATA112.213.91.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
		PTR	`mx9161.superdata.vn`
NS	`dnstemp1.dotvndns.com` ⚠️ Not in zone NS records
		A	112.213.91.61^{🇻🇳 SUPERDATA112.213.91.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`mx9161.superdata.vn`
NS	`dnstemp2.dotvndns.com` ⚠️ Not in zone NS records
		A	112.213.91.61^{🇻🇳 SUPERDATA112.213.91.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`mx9161.superdata.vn`

`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=1778458021

Same first word

quangcaoleduong.com

DNS History

11 records (3 active, 8 former)

●NSdnstemp1.dotvndns.com2026-05-11 → 2026-05-11 · 2 obs

○ 2026-05-01 16:03:24
● 2026-05-11 00:08:56

●NSdnstemp2.dotvndns.com2026-05-11 → 2026-05-11 · 2 obs

○ 2026-05-01 16:03:24
● 2026-05-11 00:08:56

○NSns1.sdns.vn2026-03-29 → 2026-05-01 · 4 obs

○ 2017-09-29 01:36:58
● 2026-03-29 17:48:22
● 2026-05-01 16:03:24
○ 2026-05-11 00:08:56

○NSns1.tenten.vn2016-12-18 → 2017-09-29 · 4 obs

● 2016-12-18 23:26:42
● 2017-09-29 01:36:58
○ 2026-03-29 17:48:22
○ 2026-05-11 00:08:56

○NSns2.sdns.vn2026-03-29 → 2026-05-01 · 4 obs

○ 2017-09-29 01:36:58
● 2026-03-29 17:48:22
● 2026-05-01 16:03:24
○ 2026-05-11 00:08:56

○NSns2.tenten.vn2016-12-18 → 2017-09-29 · 4 obs

● 2016-12-18 23:26:42
● 2017-09-29 01:36:58
○ 2026-03-29 17:48:22
○ 2026-05-11 00:08:56

○NSns3.tenten.vn2016-12-18 → 2017-09-29 · 4 obs

● 2016-12-18 23:26:42
● 2017-09-29 01:36:58
○ 2026-03-29 17:48:22
○ 2026-05-11 00:08:56

○MXmail.quangcaoleduong.com2016-12-18 → 2017-09-29 · 4 obs

● 2016-12-18 23:26:42
● 2017-09-29 01:36:58
○ 2026-03-29 17:48:22
○ 2026-05-11 00:08:56

○A103.18.6.302016-12-18 → 2017-09-29 · 4 obs

● 2016-12-18 23:26:42
● 2017-09-29 01:36:58
○ 2026-03-29 17:48:22
○ 2026-05-11 00:08:56

●A112.213.91.612026-05-11 → 2026-05-11 · 2 obs

○ 2026-05-01 16:03:24
● 2026-05-11 00:08:56

○A171.244.17.742026-03-29 → 2026-05-01 · 4 obs

○ 2017-09-29 01:36:58
● 2026-03-29 17:48:22
● 2026-05-01 16:03:24
○ 2026-05-11 00:08:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net...	-
quangcaoleduong.com	dnstemp1.dotvndns.com, dnstemp2.dotvndns.com	2 records

✅ Authoritative Response

Server:112.213.91.61

NS records: dnstemp1.dotvndns.com, dnstemp2.dotvndns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quangcaoleduong.com (unsigned zone)

⏱️ Timing

Total: 635ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.213.91.61`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dnstemp1.dotvndns.com, dnstemp2.dotvndns.com)

Analysis

IP Addresses

quangcaoleduong.com points to a single IP address: 112.213.91.61.

Other host names such as vip7eleven.com, dichvuhutbephot.com, mail.titasoft.com, ainodes.xyz and copainsdavant.dayrutnhua.com share IP numbers with quangcaoleduong.com.

Name Servers

quangcaoleduong.com is delegated to two name servers: dnstemp1.dotvndns.com and dnstemp2.dotvndns.com.

quangcaoleduong.com uses the same name server setup as other domains, including dongoai.com, dienlanhhoaibao.com, quantriweb.info, duhocphap.org and dppcamera.com.

At least part of the name servers for quangcaoleduong.com are shared with other domains, for instance netvietad.com, orientaldragon.asia, nguyenlieu.org, shopaccaov.com and daewontextile.com.

Host names sharing a single IP: dnstemp1.dotvndns.com and dnstemp2.dotvndns.com point to 112.213.91.61.

quangcaoleduong.com - robtex.com