`maythietbivanphong.com`

DNSSEC	⚠️ Not signed
A	221.132.36.27^{🇻🇳 VTN-1221.132.36.0/22 VNPT}
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	`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`
MX	`mail.maythietbivanphong.com` ⭐
		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`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.dotvndns.vn`hostmaster@maythietbivanphong.com 2017-11-21 #0

`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=1777324021

Subdomains

mail.maythietbivanphong.com

Same first word

maythietbivanphong.com

DNS History

5 records (5 active, 0 former)

●NSns1.dotvndns.vn2015-06-22 → 2026-04-27 · 3 obs

○ 2008-03-07 13:18:20
● 2015-06-22 03:59:38
● 2026-04-27 21:10:26

●NSns2.dotvndns.vn2015-06-22 → 2026-04-27 · 3 obs

○ 2008-03-07 13:18:20
● 2015-06-22 03:59:38
● 2026-04-27 21:10:26

●NSnsbak.dotvndns.com2026-03-19 → 2026-04-27 · 3 obs

○ 2015-06-22 03:59:38
● 2026-03-19 07:38:04
● 2026-04-27 21:10:26

●MXmail.maythietbivanphong.com2015-06-22 → 2026-04-27 · 3 obs

○ 2008-03-07 13:18:20
● 2015-06-22 03:59:38
● 2026-04-27 21:10:26

●A221.132.36.272015-06-22 → 2026-04-27 · 3 obs

○ 2008-03-07 13:18:20
● 2015-06-22 03:59:38
● 2026-04-27 21:10:26

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 1535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`221.132.36.27`
NS	2	`ns1.dotvndns.vn, ns2.dotvndns.vn`
MX	1	`mail.maythietbivanphong.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.dotvndns.vn hostmaster.maythietbivan`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

maythietbivanphong.com is the parent of mail.maythietbivanphong.com.

IP Addresses

maythietbivanphong.com resolves to a single IP address: 221.132.36.27.

Other host names including thanhvo.gianhangvn.com, mitsubishisaigon.vn, www.mayhieuchuan.vn, mitsubishibinhtrieu.com and subaruhanoi.com share IP numbers with maythietbivanphong.com.

Name Servers

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

maythietbivanphong.com at least partially shares name servers with other domains, including pvu.vn, onepro.com.vn, r-digital.host, biendonglogistics.com.vn and bepvietcatering.com.

These name servers are commonly used with ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net, ns3.dotvndns.vn, nsbak.dotvndns.vn, dnsbak.dotvndns.vn, ns1.nina.vn and ns1.saigonpixel.vn.

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

Mail Servers

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

mail.maythietbivanphong.com points to a single IP: 112.213.89.3.

maythietbivanphong.com - robtex.com