`qts-smartsoftware.vn`

DNSSEC	⚠️ Not signed
A	103.18.6.55^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
		PTR	`shost006.tenten.vn`
NS	`ns-b3.tenten.vn` ⭐
		A	2404:f080:1101:321:a150:95:110:1232^{🇻🇳 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	`va150-95-110-123-2.a00e.g.han1.static.cnode.io`
		A	163.44.207.21^{🇻🇳 GMO-ZCOM-AS-VN163.44.206.0/23 RUNSYSTEM-VN}
			PTR	`v163-44-207-21.a006.g.han1.static.cnode.io`
NS	`ns-b1.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1230^{🇻🇳 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	`va150-95-110-123-0.a00e.g.han1.static.cnode.io`
		A	137.59.104.67^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
NS	`ns-b2.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1231^{🇻🇳 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	`va150-95-110-123-1.a00e.g.han1.static.cnode.io`
		A	137.59.104.68^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
MX	`qtssmartsoftware-vn0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns-b3.tenten.vn`noreply@tenten.vn serial=1726891933

`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=2030753771

Subdomains

www.qts-smartsoftware.vn

Same first word

qts-smartsoftware.vn

DNS History

5 records (5 active, 0 former)

●NSns-b1.tenten.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:15:22
● 2026-05-10 02:55:42

●NSns-b2.tenten.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:15:22
● 2026-05-10 02:55:42

●NSns-b3.tenten.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:15:22
● 2026-05-10 02:55:42

●MXqtssmartsoftware-vn0i.mail.protection.outlook.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:15:22
● 2026-05-10 02:55:42

●A103.18.6.552026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 17:15:22
● 2026-05-10 02:55:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	f.dns-servers.vn, b.dns-servers.vn, a.dns-servers.vn, h.dns-servers.vn...	-
qts-smartsoftware.vn	ns-b3.tenten.vn, ns-b1.tenten.vn, ns-b2.tenten.vn	-

✅ Authoritative Response

Server:163.44.207.21

NS records: ns-b3.tenten.vn, ns-b1.tenten.vn, ns-b2.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qts-smartsoftware.vn (unsigned zone)

⏱️ Timing

Total: 2229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.18.6.55`
NS	3	`ns-b2.tenten.vn, ns-b3.tenten.vn...`
MX	1	`qtssmartsoftware-vn0i.mail.protection.ou`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns-b3.tenten.vn noreply.tenten.vn`

Analysis

Hierarchy

qts-smartsoftware.vn is the parent of www.qts-smartsoftware.vn.

IP Addresses

qts-smartsoftware.vn resolves to a single IP address: 103.18.6.55.

Other host names including cpcalendars.thienancorp.com.vn, 112.213.89.118.banmetravel.com, h2ocafe.vn, webmail.thienancorp.com.vn and 118.banmetravel.com share IP numbers with qts-smartsoftware.vn.

Name Servers

qts-smartsoftware.vn is delegated to three name servers: ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.

qts-smartsoftware.vn at least partially shares name servers with other domains, including habanasport.com.vn, xn--taxininhbnh-kcb.vn, taxigiaredongnai.io.vn, vahis.vn and chuyennhuonglumi.vn.

Host names with two IP numbers:

ns-b1.tenten.vn points to: 2404:f080:1101:321:a150:95:110:1230 and 137.59.104.67

ns-b2.tenten.vn points to: 2404:f080:1101:321:a150:95:110:1231 and 137.59.104.68

ns-b3.tenten.vn points to: 2404:f080:1101:321:a150:95:110:1232 and 163.44.207.21

Mail Servers

qts-smartsoftware.vn is handled by a single mail server, qtssmartsoftware-vn0i.mail.protection.outlook.com.

qtssmartsoftware-vn0i.mail.protection.outlook.com resolves to six IPs: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

qts-smartsoftware.vn - robtex.com