`decalphuochoang.com`

DNSSEC	⚠️ Not signed
A	202.92.4.28^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-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	`ns8922.dotvndns.vn`
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	`ns8922.dotvndns.vn`
SOA	`nsbak.dotvndns.com`hostmaster@decalphuochoang.com 2025-10-28 #19

`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=1778701336

Same first word

decalphuochoang.com

DNS History

11 records (5 active, 6 former)

○NSns1.anycast.vn2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 07:32:46
○ 2017-10-26 12:16:30
○ 2026-05-13 19:42:58

●NSns1.dotvndns.vn2017-10-26 → 2026-05-13 · 3 obs

○ 2016-12-14 07:32:46
● 2017-10-26 12:16:30
● 2026-05-13 19:42:58

○NSns2.anycast.vn2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 07:32:46
○ 2017-10-26 12:16:30
○ 2026-05-13 19:42:58

●NSns2.dotvndns.vn2017-10-26 → 2026-05-13 · 3 obs

○ 2016-12-14 07:32:46
● 2017-10-26 12:16:30
● 2026-05-13 19:42:58

○NSns3.anycast.vn2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 07:32:46
○ 2017-10-26 12:16:30
○ 2026-05-13 19:42:58

●NSns3.dotvndns.vn2017-10-26 → 2026-05-13 · 3 obs

○ 2016-12-14 07:32:46
● 2017-10-26 12:16:30
● 2026-05-13 19:42:58

○NSns4.anycast.vn2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 07:32:46
○ 2017-10-26 12:16:30
○ 2026-05-13 19:42:58

●NSnsbak.dotvndns.com2017-10-26 → 2026-05-13 · 3 obs

○ 2016-12-14 07:32:46
● 2017-10-26 12:16:30
● 2026-05-13 19:42:58

○A120.72.119.262017-10-26 → 2017-10-26 · 4 obs

○ 2016-12-14 07:32:46
● 2017-10-26 12:16:30
○ 2026-05-01 13:19:20
○ 2026-05-13 19:42:58

○A188.166.228.172016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 07:32:46
○ 2017-10-26 12:16:30
○ 2026-05-13 19:42:58

●A202.92.4.282026-05-01 → 2026-05-13 · 3 obs

○ 2017-10-26 12:16:30
● 2026-05-01 13:19:20
● 2026-05-13 19:42:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
decalphuochoang.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 decalphuochoang.com (unsigned zone)

⏱️ Timing

Total: 1474ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.92.4.28`
NS	4	`nsbak.dotvndns.com, ns2.dotvndns.vn...`
SOA	1	`nsbak.dotvndns.com hostmaster.decalphuoc`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

decalphuochoang.com points to a single IP: 202.92.4.28.

Other host names, for instance nhathaubep.vn, autodiscover.igate.com.vn, dunghangviet.com, congngheso.vn and www.akhoa.com.vn share IP numbers with decalphuochoang.com.

Name Servers

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

decalphuochoang.com at least partially shares its name servers with other domains, for instance doctors.com.vn, nuockhoangta.com, guihangdinuocngoai.vn, bannhadat.com and cautrucnamviet.com.vn.

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

Host names with two IP numbers:

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

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

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

Host names with one IP number:

The host name 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.

decalphuochoang.com - robtex.com