`happycomm.vn`

DNSSEC	⚠️ Not signed
A	45.252.248.29^{🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-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	`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`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c03::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dy-in-f27.1e100.net`
		A	142.251.2.27^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
MX	`happycomm.vn`⁽¹⁰⁾
		A	45.252.248.29^{🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN}
TXT	`google-site-verification=zVl23mHttK1ybf1Nw1f5NwxILvsg5t2lFMP3AbynGaE`
SOA	`ns1.dotvndns.vn`hostmaster@happycomm.vn 2019-07-23 #8

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030767820

MX for

happycomm.vn

Subdomains

www.happycomm.vn

Same first word

happycomm.vn

happycomm.com

DNS History

11 records (10 active, 1 former)

●NSns1.dotvndns.vn2019-01-10 → 2026-05-13 · 2 obs

● 2019-01-10 06:59:24
● 2026-05-13 09:51:08

●NSns2.dotvndns.vn2019-01-10 → 2026-05-13 · 2 obs

● 2019-01-10 06:59:24
● 2026-05-13 09:51:08

●NSnsbak.dotvndns.com2019-01-10 → 2026-05-13 · 2 obs

● 2019-01-10 06:59:24
● 2026-05-13 09:51:08

●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-13 · 3 obs

○ 2019-01-10 06:59:24
● 2026-05-01 16:54:28
● 2026-05-13 09:51:08

●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-13 · 3 obs

○ 2019-01-10 06:59:24
● 2026-05-01 16:54:28
● 2026-05-13 09:51:08

●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-13 · 3 obs

○ 2019-01-10 06:59:24
● 2026-05-01 16:54:28
● 2026-05-13 09:51:08

●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-13 · 3 obs

○ 2019-01-10 06:59:24
● 2026-05-01 16:54:28
● 2026-05-13 09:51:08

●MXaspmx.l.google.com2026-05-01 → 2026-05-13 · 3 obs

○ 2019-01-10 06:59:24
● 2026-05-01 16:54:28
● 2026-05-13 09:51:08

●MXhappycomm.vn2019-01-10 → 2026-05-13 · 2 obs

● 2019-01-10 06:59:24
● 2026-05-13 09:51:08

○A103.221.220.212019-01-10 → 2019-01-10 · 3 obs

● 2019-01-10 06:59:24
○ 2026-05-01 16:54:28
○ 2026-05-13 09:51:08

●A45.252.248.292026-05-01 → 2026-05-13 · 3 obs

○ 2019-01-10 06:59:24
● 2026-05-01 16:54:28
● 2026-05-13 09:51:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	e.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, h.dns-servers.vn...	-
happycomm.vn	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	4 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 happycomm.vn (unsigned zone)

⏱️ Timing

Total: 3285ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.252.248.29`
NS	3	`ns1.dotvndns.vn, ns2.dotvndns.vn...`
MX	6	`alt3.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)...`
TXT	1	`google-site-verification=zVl23mHttK1ybf1`
SOA	1	`ns1.dotvndns.vn hostmaster.happycomm.vn`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)

Analysis

Hierarchy

The parent of www.happycomm.vn is happycomm.vn.

Mail Server Role

happycomm.vn serves as the mail server for happycomm.vn.

aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com are commonly used as a mail server together with happycomm.vn.

IP Addresses

happycomm.vn points to an IP address: 45.252.248.29.

other host names include www.happycomm.vn, m.thietbicogioi.com.vn, mail.noithatgoocchoav.com, think.edu.vn and giagao.com; they share IP numbers with happycomm.vn.

Name Servers

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

happycomm.vn at least partially shares name servers with other domains, for instance caunhabao.com, gtccsg.com, imed.vn, onb.vn and well.com.vn.