`pomath.vn`

DNSSEC	⚠️ Not signed
A	103.77.162.36^{🇻🇳 SUPERDATA103.77.162.0/24 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	`ostrava.maychu.cloud`
NS	`ns4.tenten.vn` ⭐
		A	2404:f080:1101:302:a163:44:193:20^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns4.tenten.vn`
		A	103.18.7.204^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns4.tenten.vn`
NS	`ns5.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:21^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns5.tenten.vn`
		A	103.18.7.205^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns5.tenten.vn`
NS	`ns6.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:22^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns6.tenten.vn`
		A	52.74.6.184^{🇸🇬 Amazon52.74.0.0/16 SIN prefix}
			PTR	`ec2-52-74-6-184.ap-southeast-1.compute.amazonaws.com`
MX	`alt1.aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:2801::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f27.1e100.net`
		A	192.178.128.26^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com` ⭐
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
MX	`aspmx2.googlemail.com` ⭐
		A	2607:f8b0:4023:2801::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausi-in-f27.1e100.net`
		A	192.178.128.27^{🇺🇸 Google192.178.128.0/24}
			PTR	`lcausi-in-f27.1e100.net`
MX	`aspmx3.googlemail.com` ⭐
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`facebook-domain-verification=62r07bcybyyugfmft4k373qnxhvbd9`
TXT	`google-site-verification=QgPIUxoHuZRuFvSXLkndaNqtwoz00uQHXfqlHs1mKo8`
SOA	`ns4.tenten.vn`hostmaster@pomath.vn 2025-11-06 #19

`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=2030753415

Same first word

pomath.vn

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DNS History

10 records (9 active, 1 former)

●NSns4.tenten.vn2018-05-31 → 2026-05-09 · 2 obs

● 2018-05-31 10:50:08
● 2026-05-09 18:13:02

●NSns5.tenten.vn2018-05-31 → 2026-05-09 · 2 obs

● 2018-05-31 10:50:08
● 2026-05-09 18:13:02

●NSns6.tenten.vn2018-05-31 → 2026-05-09 · 2 obs

● 2018-05-31 10:50:08
● 2026-05-09 18:13:02

●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-09 · 3 obs

○ 2018-05-31 10:50:08
● 2026-05-01 06:32:30
● 2026-05-09 18:13:02

●MXalt2.aspmx.l.google.com2018-05-31 → 2026-05-09 · 2 obs

● 2018-05-31 10:50:08
● 2026-05-09 18:13:02

●MXaspmx.l.google.com2018-05-31 → 2026-05-09 · 2 obs

● 2018-05-31 10:50:08
● 2026-05-09 18:13:02

●MXaspmx2.googlemail.com2018-05-31 → 2026-05-09 · 2 obs

● 2018-05-31 10:50:08
● 2026-05-09 18:13:02

●MXaspmx3.googlemail.com2018-05-31 → 2026-05-09 · 2 obs

● 2018-05-31 10:50:08
● 2026-05-09 18:13:02

●A103.77.162.362026-05-01 → 2026-05-09 · 3 obs

○ 2018-05-31 10:50:08
● 2026-05-01 06:32:30
● 2026-05-09 18:13:02

○A210.245.90.2472018-05-31 → 2018-05-31 · 3 obs

● 2018-05-31 10:50:08
○ 2026-05-01 06:32:30
○ 2026-05-09 18:13:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
pomath.vn	ns4.tenten.vn, ns5.tenten.vn, ns6.tenten.vn	-

✅ Authoritative Response

Server:103.18.7.205

NS records: ns4.tenten.vn, ns5.tenten.vn, ns6.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pomath.vn (unsigned zone)

⏱️ Timing

Total: 2080ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.77.162.36`
NS	3	`NS5.TENTEN.vn, NS6.TENTEN.vn...`
MX	5	`aspmx2.googlemail.com (pri: 0), aspmx3.googlemail.com (pri: 0)...`
TXT	2	`facebook-domain-verification=62r07bcybyy, google-site-verification=QgPIUxoHuZRuFvS`
SOA	1	`ns4.tenten.vn hostmaster.pomath.vn`

Analysis

IP Addresses

pomath.vn resolves to a single IP address: 103.77.162.36.

Other host names including japan.cungdi.vn, stbbt.com.vn, svc-1.cungdi.vn, ddci.langson.gov.vn and ronaldjackvietnam.com share IP numbers with pomath.vn.

Name Servers

pomath.vn is delegated to three name servers: ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn.

pomath.vn at least partially shares name servers with other domains, including banmayphatdiencu.vn, megahrm.vn, studyup.com.vn, heis.vn and kiwifood.com.vn.