`khanganhtech.com`

DNSSEC	⚠️ Not signed
A	125.253.116.228^{🇻🇳 ODS-AS-VN125.253.116.0/24 ODSJSC-VN}
		PTR	`mail.kovina.com.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`
MX	`mail.khanganhtech.com` ⭐
		A	125.253.116.228^{🇻🇳 ODS-AS-VN125.253.116.0/24 ODSJSC-VN}
			PTR	`mail.kovina.com.vn`
TXT	`zalo-platform-site-verification=QUBb4B3EJ19Bvkenkijd57t1oZUHjnfkDZWp`
TXT	`v=spf1 a mx ip4:125.253.116.228 ~all`
SOA	`nsbak.dotvndns.com`hostmaster@khanganhtech.com 2026-01-05 #4

`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=1778434076

Previously MX for

khanganhtech.com

Subdomains

www.khanganhtech.com

Same first word

khanganhtech.com

DNS History

9 records (5 active, 4 former)

●NSns1.dotvndns.vn2026-05-01 → 2026-05-10 · 3 obs

○ 2020-03-03 07:27:48
● 2026-05-01 10:44:14
● 2026-05-10 17:48:36

●NSns2.dotvndns.vn2026-05-01 → 2026-05-10 · 3 obs

○ 2020-03-03 07:27:48
● 2026-05-01 10:44:14
● 2026-05-10 17:48:36

○NSns29.domaincontrol.com2016-12-16 → 2020-03-03 · 4 obs

● 2016-12-16 02:32:12
● 2020-03-03 07:27:48
○ 2026-05-01 10:44:14
○ 2026-05-10 17:48:36

○NSns30.domaincontrol.com2016-12-16 → 2020-03-03 · 4 obs

● 2016-12-16 02:32:12
● 2020-03-03 07:27:48
○ 2026-05-01 10:44:14
○ 2026-05-10 17:48:36

●NSnsbak.dotvndns.com2026-05-01 → 2026-05-10 · 3 obs

○ 2020-03-03 07:27:48
● 2026-05-01 10:44:14
● 2026-05-10 17:48:36

○MXkhanganhtech.com2016-12-16 → 2020-03-03 · 4 obs

● 2016-12-16 02:32:12
● 2020-03-03 07:27:48
○ 2026-05-01 10:44:14
○ 2026-05-10 17:48:36

●MXmail.khanganhtech.com2026-05-01 → 2026-05-10 · 3 obs

○ 2020-03-03 07:27:48
● 2026-05-01 10:44:14
● 2026-05-10 17:48:36

●A125.253.116.2282018-08-27 → 2026-05-10 · 3 obs

○ 2016-12-16 02:32:12
● 2018-08-27 04:30:54
● 2026-05-10 17:48:36

○A14.0.20.412016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 02:32:12
○ 2018-08-27 04:30:54
○ 2026-05-10 17:48:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
khanganhtech.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for khanganhtech.com (unsigned zone)

⏱️ Timing

Total: 4463ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`125.253.116.228`
NS	3	`nsbak.dotvndns.com, ns1.dotvndns.vn...`
MX	1	`mail.khanganhtech.com (pri: 10)`
TXT	2	`v=spf1 a mx ip4:125.253.116.228 ~all, zalo-platform-site-verification=QUBb4B3E`
SOA	1	`nsbak.dotvndns.com hostmaster.khanganhte`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

The parent of www.khanganhtech.com is khanganhtech.com.

IP Addresses

khanganhtech.com points to IP number: 125.253.116.228.

Other host names such as thegioimaythoikhi.com, thienphatco.vn, zsoundaudiovn.com, biteksolar.com and mail.dahco.com share IPs with khanganhtech.com.

Name Servers

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

khanganhtech.com at least partially shares name servers with other domains, for instance theview.com.vn, camdolehuy.vn, bacsitoc.com, bonnuochwata.com.vn and thietbivesinhnova.com.

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

Host nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22; Host ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3; Host ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247.

Mail Servers

khanganhtech.com is handled by a single mail server, mail.khanganhtech.com.

mail.khanganhtech.com points to a single IP: 125.253.116.228.

khanganhtech.com - robtex.com