`2utraining.com.vn`

DNSSEC	⚠️ Not signed
A	112.213.89.38^{🇻🇳 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	`ns8938.dotvndns.vn`
NS	`ns1.dotvndns.vn` ⭐ ⚠️ Not in parent delegation
		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	`ns1.pavietnam.vn` ⚠️ Not in zone NS records
		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` ⚠️ Not in parent delegation
		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	`ns2.pavietnam.vn` ⚠️ Not in zone NS records
		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.pavietnam.net` ⚠️ 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	`tutors.mail.pairserver.com` ⭐
		A	216.92.34.22^{🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`vps4069.pairvps.com`
TXT	`v=spf1 include:webmail.pair.com include:relay.pair.com include:pairlist.com a...`
SOA	`ns1.dotvndns.vn`hostmaster@2utraining.com.vn 2026-03-21 #73

`com.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2022643263

Same first word

2utraining.com.vn

Similar names

training2u.com.au

training2u.com

DNS History

9 records (7 active, 2 former)

●NSns1.dotvndns.vn2019-12-28 → 2026-03-28 · 2 obs

● 2019-12-28 11:23:34
● 2026-03-28 21:08:34

●NSns1.pavietnam.vn2019-12-28 → 2026-03-28 · 2 obs

● 2019-12-28 11:23:34
● 2026-03-28 21:08:34

●NSns2.dotvndns.vn2026-03-23 → 2026-03-28 · 3 obs

○ 2019-12-28 11:23:34
● 2026-03-23 12:33:52
● 2026-03-28 21:08:34

●NSns2.pavietnam.vn2019-12-28 → 2026-03-28 · 2 obs

● 2019-12-28 11:23:34
● 2026-03-28 21:08:34

●NSnsbak.pavietnam.net2019-12-28 → 2026-03-28 · 2 obs

● 2019-12-28 11:23:34
● 2026-03-28 21:08:34

○MXtraining2u.mail.pairserver.com2019-12-28 → 2019-12-28 · 3 obs

● 2019-12-28 11:23:34
○ 2026-03-23 12:33:52
○ 2026-03-28 21:08:34

●MXtutors.mail.pairserver.com2026-03-23 → 2026-03-28 · 3 obs

○ 2019-12-28 11:23:34
● 2026-03-23 12:33:52
● 2026-03-28 21:08:34

●A112.213.89.382026-03-23 → 2026-03-28 · 3 obs

○ 2019-12-28 11:23:34
● 2026-03-23 12:33:52
● 2026-03-28 21:08:34

○A210.245.8.1332019-12-28 → 2019-12-28 · 3 obs

● 2019-12-28 11:23:34
○ 2026-03-23 12:33:52
○ 2026-03-28 21:08:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
2utraining.com.vn	ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net	-

✅ Authoritative Response

Server:112.213.89.22

NS records: ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2utraining.com.vn (unsigned zone)

⏱️ Timing

Total: 2149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.213.89.38`
NS	2	`ns1.dotvndns.vn, ns2.dotvndns.vn`
MX	1	`tutors.mail.pairserver.com (pri: 10)`
TXT	1	`v=spf1 include:webmail.pair.com include:`
SOA	1	`ns1.dotvndns.vn hostmaster.2utraining.co`

Analysis

IP Addresses

2utraining.com.vn resolves to one IP number: 112.213.89.38.

other host names including mydns.vn, phimcachnhiet.com, lamtanloi.com, nihbt.org.vn and dienthoaigiakho.com share IP numbers with 2utraining.com.vn.

Name Servers

2utraining.com.vn is delegated to five name servers: nsbak.pavietnam.net, ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.pavietnam.vn and ns2.pavietnam.vn.

2utraining.com.vn at least partially shares name servers with other domains, for instance huyenthoainhangia.vn, kumkanglabels.com, zusso.com.vn, hydro-tek.vn and voxedunlop.com.

These name servers are commonly used with nsbak.dotvndns.com, ns3.dotvndns.vn and nsbak.pavietnam.vn.

Host names with two IP numbers

nsbak.pavietnam.net 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

ns1.pavietnam.vn points to: 2406:9c80::66 and 112.213.89.3

ns2.pavietnam.vn points to: 2406:9c80::9000:111 and 222.255.121.247

Host names pointing to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn

Host names pointing to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn

Host names pointing to 2406:9c80::9000:111: ns2.dotvndns.vn and ns2.pavietnam.vn

Host names pointing to 222.255.121.247: ns2.dotvndns.vn and ns2.pavietnam.vn

Mail Servers

2utraining.com.vn is handled by a single mail server, tutors.mail.pairserver.com.

2utraining.com.vn shares the same mail server setup as other domains, for instance 4uyoga.com.vn, 2uspeak.com.vn, 2usmart.com.vn, 4utours.com and 4uwellness.com.vn.

tutors.mail.pairserver.com resolves to IP 216.92.34.22.

2utraining.com.vn - robtex.com