`zenopcb.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:ed1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a091^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.14.209^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.145^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`achiel.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c7b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`achiel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`achiel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`achiel.ns.cloudflare.com`
		A	108.162.195.123^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`achiel.ns.cloudflare.com`
		A	162.159.44.123^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`achiel.ns.cloudflare.com`
		A	172.64.35.123^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`achiel.ns.cloudflare.com`
NS	`dina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dina.ns.cloudflare.com`
		A	108.162.192.107^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	172.64.32.107^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
		A	173.245.58.107^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dina.ns.cloudflare.com`
MX	`mx1.onemail.vn` ⭐
		A	103.216.116.14^{🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN}
			PTR	`mx1.smtp-in.onemail.vn`
MX	`mx2.onemail.vn` ⭐
		A	103.72.96.29^{🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN}
			PTR	`mx2.smtp-in.onemail.vn`
MX	`mx3.onemail.vn` ⭐
		A	103.56.162.10^{🇻🇳 VNPT-AS-VN103.56.160.0/22 INETSOFT-VN}
			PTR	`mx3.smtp-in.onemail.vn`
TXT	`google-site-verification=rBFO8JbM9d4dVf_qRZ117PefCWU6QHOD-060LbJWDgE`
TXT	`v=spf1 include:_spf.onemail.vn ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.14.209, 172.67.160.145
		IPv6 hints	2606:4700:3030::6815:ed1, 2606:4700:3033::ac43:a091
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com
SOA	`achiel.ns.cloudflare.com`dns@cloudflare.com serial=2410194624

`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=2031083260

Subdomains

my.zenopcb.vn

www.zenopcb.vn

connect.zenopcb.vn

mqtt.zenopcb.vn

Same first word

zenopcb.vn

DNS History

11 records (9 active, 2 former)

●NSachiel.ns.cloudflare.com2026-05-01 → 2026-08-07 · 2 obs

● 2026-05-01 16:15:38
● 2026-08-07 07:25:14

●NSdina.ns.cloudflare.com2026-05-01 → 2026-08-07 · 2 obs

● 2026-05-01 16:15:38
● 2026-08-07 07:25:14

●MXmx1.onemail.vn2026-07-08 → 2026-08-07 · 2 obs

● 2026-07-08 18:22:40
● 2026-08-07 07:25:14

●MXmx2.onemail.vn2026-07-08 → 2026-08-07 · 2 obs

● 2026-07-08 18:22:40
● 2026-08-07 07:25:14

●MXmx3.onemail.vn2026-07-08 → 2026-08-07 · 2 obs

● 2026-07-08 18:22:40
● 2026-08-07 07:25:14

●A104.21.14.2092026-05-01 → 2026-08-07 · 2 obs

● 2026-05-01 16:15:38
● 2026-08-07 07:25:14

●A172.67.160.1452026-05-01 → 2026-08-07 · 2 obs

● 2026-05-01 16:15:38
● 2026-08-07 07:25:14

●A2606:4700:3030::6815:ed12026-07-08 → 2026-08-07 · 3 obs

○ 2026-05-31 00:38:20
● 2026-07-08 18:22:40
● 2026-08-07 07:25:14

●A2606:4700:3033::ac43:a0912026-07-08 → 2026-08-07 · 3 obs

○ 2026-05-31 00:38:20
● 2026-07-08 18:22:40
● 2026-08-07 07:25:14

○A2606:4700:3035::6815:ed12026-05-01 → 2026-05-31 · 4 obs

● 2026-05-01 16:15:38
● 2026-05-31 00:38:20
○ 2026-07-08 18:22:40
○ 2026-08-07 07:25:14

○A2606:4700:3036::ac43:a0912026-05-01 → 2026-05-31 · 4 obs

● 2026-05-01 16:15:38
● 2026-05-31 00:38:20
○ 2026-07-08 18:22:40
○ 2026-08-07 07:25:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	15 records
zenopcb.vn	achiel.ns.cloudflare.com, dina.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.107

NS records: achiel.ns.cloudflare.com, dina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zenopcb.vn (unsigned zone)

⏱️ Timing

Total: 747ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.160.145, 104.21.14.209`
AAAA	2	`2606:4700:3033::ac43:a091, 2606:4700:3030::6815:ed1`
NS	2	`achiel.ns.cloudflare.com, dina.ns.cloudflare.com`
MX	3	`mx1.onemail.vn (pri: 0), mx2.onemail.vn (pri: 0)...`
TXT	2	`google-site-verification=rBFO8JbM9d4dVf_, v=spf1 include:_spf.onemail.vn ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`achiel.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 15

In-bailiwick: 15 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)

Analysis

Hierarchy

The domain zenopcb.vn is a parent of my.zenopcb.vn, www.zenopcb.vn, connect.zenopcb.vn and mqtt.zenopcb.vn.

IP Addresses

zenopcb.vn directs to four IP numbers, which are 104.21.14.209, 172.67.160.145, 2606:4700:3030::6815:ed1 and 2606:4700:3033::ac43:a091.

Two other host names, along with goatlab.net, solen.it.com and gk88g.net, also share IP numbers with zenopcb.vn.

Name Servers

zenopcb.vn has two authoritative name servers — achiel.ns.cloudflare.com and dina.ns.cloudflare.com.

zenopcb.vn shares its NS records with other domains, for example networked.asia, il-net.net, stxmaterials.com and two others.

At least some of zenopcb.vn's name servers are shared with other domains, for example woofsandwags.nyc, executop.com, designvetica.com and two more.

It is common for these name servers to be used in conjunction with the name servers hadlee.ns.cloudflare.com, dom.ns.cloudflare.com and clara.ns.cloudflare.com.

DNS names with 6 IP addresses:

achiel.ns.cloudflare.com points to 108.162.195.123, 162.159.44.123, 172.64.35.123 and 3 other IP addresses.

dina.ns.cloudflare.com points to 108.162.192.107, 172.64.32.107, 173.245.58.107 and 3 other IP addresses.

Mail Servers

The MX records for zenopcb.vn list three mail servers: mx1.onemail.vn, mx2.onemail.vn and mx3.onemail.vn.

There is at least a partial MX overlap between zenopcb.vn and other domains, including tinlegal.vn, amand.vn, ktv-education.vn and two others.

Each of the three hostnames points to exactly one IP address: mx1.onemail.vn points to 103.216.116.14, mx2.onemail.vn points to 103.72.96.29 and mx3.onemail.vn points to 103.56.162.10.

zenopcb.vn - robtex.com

zenopcb.vn

vn

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`zenopcb.vn`

`vn`