`webkhanhhoa.com`

DNSSEC	⚠️ Not signed
A	163.61.72.120^{EZTECH-VN163.61.72.0/24 BXCLOUD-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`
SOA	`nsbak.dotvndns.com`hostmaster@webkhanhhoa.com 2026-05-12 #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=1778649826

Same first word

webkhanhhoa.com

DNS History

6 records (4 active, 2 former)

●NSns1.dotvndns.vn2018-01-22 → 2026-05-13 · 2 obs

● 2018-01-22 12:46:32
● 2026-05-13 05:27:10

●NSns2.dotvndns.vn2018-01-22 → 2026-05-13 · 2 obs

● 2018-01-22 12:46:32
● 2026-05-13 05:27:10

●NSnsbak.dotvndns.com2026-03-10 → 2026-05-13 · 3 obs

○ 2018-01-22 12:46:32
● 2026-03-10 20:04:44
● 2026-05-13 05:27:10

○MXmail.webkhanhhoa.com2018-01-22 → 2018-01-22 · 3 obs

● 2018-01-22 12:46:32
○ 2026-03-10 20:04:44
○ 2026-05-13 05:27:10

○A103.74.116.1512018-01-22 → 2018-01-22 · 3 obs

● 2018-01-22 12:46:32
○ 2026-03-10 20:04:44
○ 2026-05-13 05:27:10

●A163.61.72.1202026-03-10 → 2026-05-13 · 3 obs

○ 2018-01-22 12:46:32
● 2026-03-10 20:04:44
● 2026-05-13 05:27:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
webkhanhhoa.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for webkhanhhoa.com (unsigned zone)

⏱️ Timing

Total: 1447ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`163.61.72.120`
NS	3	`ns1.dotvndns.vn, ns2.dotvndns.vn...`
SOA	1	`nsbak.dotvndns.com hostmaster.webkhanhho`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

webkhanhhoa.com points to a single IP number: 163.61.72.120.

Other host names, for instance demo.hqd.vn, share IP numbers with webkhanhhoa.com.

Name Servers

The delegation for webkhanhhoa.com is handled by three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

webkhanhhoa.com at least partially shares name servers with other domains, for instance cdtphcmdonghanhvoiphattriendatnuoc.org.vn, tieuhocvinhthanhgialai.edu.vn, muacuoi.vn, tradefast.vn and vietduongjsc.vn.

These name servers are commonly used with ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn, nsbak.pavietnam.net, ns3.sangha.vn, ns4.dotvndns.vn and nsbak.pavietnam.vn.

Two IP numbers per host:

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.

webkhanhhoa.com - robtex.com

webkhanhhoa.com

com