`dulichhongthinh.com`

DNSSEC	⚠️ Not signed
A	123.31.31.67^{🇻🇳 VNPT-AS-VN123.31.31.0/24 VNPT}
		PTR	`static.vnpt.vn`
NS	`nsbak.dotvndns.com` ⭐
		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	`ip-112-213-89-22.defastlink.net`
NS	`ns1.dotvndns.vn`
		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`
		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	`ns3.dotvndns.vn`
		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	`ip-112-213-89-22.defastlink.net`
SOA	`nsbak.dotvndns.com`hostmaster@dulichhongthinh.com 2025-12-10 #2

`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=1778399081

Same first word

dulichhongthinh.com

DNS History

5 records (5 active, 0 former)

●NSns1.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:41:10
● 2026-05-10 08:13:16

●NSns2.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:41:10
● 2026-05-10 08:13:16

●NSns3.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:41:10
● 2026-05-10 08:13:16

●NSnsbak.dotvndns.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:41:10
● 2026-05-10 08:13:16

●A123.31.31.672026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:41:10
● 2026-05-10 08:13:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
dulichhongthinh.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dulichhongthinh.com (unsigned zone)

⏱️ Timing

Total: 1625ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.31.31.67`
NS	4	`nsbak.dotvndns.com, ns1.dotvndns.vn...`
SOA	1	`nsbak.dotvndns.com hostmaster.dulichhong`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

dulichhongthinh.com resolves to a single IP: 123.31.31.67.

Other host names, for instance hytyky.com, www.ruouquy.com.vn, ftehalonghotel.com, donthuocbenhvien.vn and tsb-hn.com share IP numbers with dulichhongthinh.com.

Name Servers

dulichhongthinh.com is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

dulichhongthinh.com shares some name servers with other domains, for example fuliclean.vn, nguyenthanhhuong.com.vn, tracaphe.com, aluviet.vn and emin.vn.

These name servers are often used together with ns1.pavietnam.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.

Host names with one IP number: ns3.dotvndns.vn points to 112.213.89.22.

Host names that point to 112.213.89.22: nsbak.dotvndns.com and ns3.dotvndns.vn.

dulichhongthinh.com - robtex.com