`ttltech.vn`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`ns-b3.tenten.vn` ⭐ ⚠️ Not in parent delegation
		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-a1.tenten.vn` ⚠️ Not in zone NS records
		A	2404:f080:1101:323:a150:95:115:1010^{🇻🇳 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	`va150-95-115-101-0.a018.g.han1.static.cnode.io`
		A	137.59.104.65^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
NS	`ns-a2.tenten.vn` ⚠️ Not in zone NS records
		A	2404:f080:1101:323:a150:95:115:1011^{🇻🇳 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	`va150-95-115-101-1.a018.g.han1.static.cnode.io`
		A	137.59.104.66^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
NS	`ns-a3.tenten.vn` ⚠️ Not in zone NS records
		A	2404:f080:1101:323:a150:95:115:1012^{🇻🇳 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	`va150-95-115-101-2.a018.g.han1.static.cnode.io`
		A	150.95.111.47^{🇻🇳 GMO-ZCOM-AS-VN150.95.104.0/21 RUNSYSTEM-VN}
			PTR	`ns3.tenten.vn`
NS	`ns-b1.tenten.vn` ⚠️ Not in parent delegation
		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` ⚠️ Not in parent delegation
		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	`mail.ttltech.vn` ⭐
		A	150.95.114.139^{🇻🇳 GMO-ZCOM-AS-VN150.95.112.0/21 RUNSYSTEM-VN}
			PTR	`cp04hn.emailserver.net.vn`
TXT	`v=spf1 +a +mx +ip4:150.95.114.139 include:emg01.emailserver.net.vn ~all`
SOA	`ns-b3.tenten.vn`noreply@tenten.vn serial=1727239964

`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=2030756123

Subdomains

webmail.ttltech.vn

Similar names

ltttech.com

thecttl.org

DNS History

8 records (8 active, 0 former)

●NSns-a1.tenten.vn2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 21:18:16
● 2026-05-10 21:18:18

●NSns-a2.tenten.vn2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 21:18:16
● 2026-05-10 21:18:18

●NSns-a3.tenten.vn2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 21:18:16
● 2026-05-10 21:18:18

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

● 2026-05-10 21:18:16
● 2026-05-10 21:18:18

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

● 2026-05-10 21:18:16
● 2026-05-10 21:18:18

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

● 2026-05-10 21:18:16
● 2026-05-10 21:18:18

●MXmail.ttltech.vn2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 21:18:16
● 2026-05-10 21:18:18

●A76.76.21.212026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 21:18:16
● 2026-05-10 21:18:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	e.dns-servers.vn, g.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...	-
ttltech.vn	ns-a2.tenten.vn, ns-a3.tenten.vn, ns-a1.tenten.vn	-

✅ Authoritative Response

Server:137.59.104.66

NS records: ns-a2.tenten.vn, ns-a3.tenten.vn, ns-a1.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ttltech.vn (unsigned zone)

⏱️ Timing

Total: 2221ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	3	`ns-b2.tenten.vn, ns-b3.tenten.vn...`
MX	1	`mail.ttltech.vn (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:150.95.114.139 includ`
SOA	1	`ns-b3.tenten.vn noreply.tenten.vn`

Analysis

Hierarchy

The parent of webmail.ttltech.vn is ttltech.vn.

IP Addresses

ttltech.vn points to a single IP: 76.76.21.21.

Other host names, for instance presti.us, bac-ny.org, stofind.com, novatec.com.au and acehost.ca share IP numbers with ttltech.vn.

Name Servers

ttltech.vn is delegated to six name servers: ns-a1.tenten.vn, ns-a2.tenten.vn, ns-a3.tenten.vn, ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.

ttltech.vn partially shares name servers with other domains; examples include evomark.vn, khomart.com, mitalux.com, quynamsaigon.biz.vn and licmail.com.