`numberonedau.com`

DNSSEC	⚠️ Not signed
NS	`ns1.dotvndns.vn` ⚠️ Not in zone NS records
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 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	`ns1.dotvndns.vn`
NS	`ns2.dotvndns.vn` ⚠️ Not in zone NS records
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`nsbak.dotvndns.com` ⚠️ Not in zone NS records
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 SUPERDATA112.213.89.0/24 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	`ns8922.dotvndns.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=1778524296

Same first word

numberonedau.com

DNS History

3 records (3 active, 0 former)

●NSns1.dotvndns.vn2026-02-21 → 2026-05-11 · 2 obs

● 2026-02-21 12:27:28
● 2026-05-11 19:00:38

●NSns2.dotvndns.vn2026-02-21 → 2026-05-11 · 2 obs

● 2026-02-21 12:27:28
● 2026-05-11 19:00:38

●NSnsbak.dotvndns.com2026-02-21 → 2026-05-11 · 2 obs

● 2026-02-21 12:27:28
● 2026-05-11 19:00:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
numberonedau.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.3

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for numberonedau.com (unsigned zone)

⏱️ Timing

Total: 5007ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

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

Analysis

Name Servers

numberonedau.com is delegated to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

numberonedau.com at least partially shares its name servers with other domains, for instance xaydungnhaphovn.com, degrape.com.vn, tbyt.vn, dieuhanhtaxi.vn and viethungphat.vn.

these name servers are commonly used together with ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn and nsbak.pavietnam.net.

Host names with two IP numbers:

nsbak.dotvndns.com points to: 2406:9c80::9000:302 and 112.213.89.22.

ns1.dotvndns.vn points to: 2406:9c80::66 and 112.213.89.3.

ns2.dotvndns.vn points to: 2406:9c80::9000:111 and 222.255.121.247.

numberonedau.com - robtex.com