`cuuhobinhduong.com`

DNSSEC	⚠️ Not signed
A	103.221.222.21^{🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN}
NS	`ns1.tenten.vn.cuuhobinhduong.com` ⭐
		A	103.221.222.21^{🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN}
NS	`ns1.tenten.vn`
		A	2404:f080:1101:322:a150:95:113:2270^{🇻🇳 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	`ns1.tenten.vn`
		A	103.18.7.201^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns1.tenten.vn`
NS	`ns2.tenten.vn`
		A	2404:f080:1101:322:a150:95:113:2271^{🇻🇳 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	`ns2.tenten.vn`
		A	103.18.7.202^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns2.tenten.vn`
NS	`ns3.tenten.vn`
		A	2404:f080:1101:322:a150:95:113:2272^{🇻🇳 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	`ns3.tenten.vn`
		A	133.130.107.205^{🇯🇵 GMO-INTERNET133.130.64.0/18 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`ns3.tenten.vn`
MX	`mail.cuuhobinhduong.com` ⭐
		A	103.221.222.21^{🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN}
TXT	`v=spf1 mx a ip4:103.221.222.21 ~all`
SOA	`ns1.tenten.vn.cuuhobinhduong.com`hostmaster@cuuhobinhduong.com 2025-03-02 #13

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778384366

Subdomains

mail.cuuhobinhduong.com

Same first word

cuuhobinhduong.com

DNS History

8 records (6 active, 2 former)

●NSns1.tenten.vn2016-12-21 → 2026-05-10 · 2 obs

● 2016-12-21 04:15:24
● 2026-05-10 04:06:40

●NSns1.tenten.vn.cuuhobinhduong.com2016-12-21 → 2026-05-10 · 2 obs

● 2016-12-21 04:15:24
● 2026-05-10 04:06:40

●NSns2.tenten.vn2016-12-21 → 2026-05-10 · 2 obs

● 2016-12-21 04:15:24
● 2026-05-10 04:06:40

●NSns3.tenten.vn2016-12-21 → 2026-05-10 · 2 obs

● 2016-12-21 04:15:24
● 2026-05-10 04:06:40

●MXmail.cuuhobinhduong.com2016-12-21 → 2026-05-10 · 2 obs

● 2016-12-21 04:15:24
● 2026-05-10 04:06:40

●A103.221.222.212026-04-09 → 2026-05-10 · 3 obs

○ 2018-08-27 12:01:16
● 2026-04-09 05:12:16
● 2026-05-10 04:06:40

○A124.158.9.702018-08-27 → 2018-08-27 · 4 obs

○ 2016-12-21 04:15:24
● 2018-08-27 12:01:16
○ 2026-04-09 05:12:16
○ 2026-05-10 04:06:40

○A124.158.9.752016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 04:15:24
○ 2018-08-27 12:01:16
○ 2026-05-10 04:06:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cuuhobinhduong.com	ns1.tenten.vn, ns2.tenten.vn, ns3.tenten.vn	-

✅ Authoritative Response

Server:103.18.7.201

NS records: ns1.tenten.vn, ns2.tenten.vn, ns3.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cuuhobinhduong.com (unsigned zone)

⏱️ Timing

Total: 3350ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.221.222.21`
NS	3	`NS3.TENTEN.VN, NS2.TENTEN.VN...`
MX	1	`mail.cuuhobinhduong.com (pri: 10)`
TXT	1	`v=spf1 mx a ip4:103.221.222.21 ~all`
SOA	1	`ns1.tenten.vn.cuuhobinhduong.com hostmas`

Analysis

Hierarchy

cuuhobinhduong.com is the parent of mail.cuuhobinhduong.com.

IP Addresses

cuuhobinhduong.com resolves to one IP number: 103.221.222.21.

other host names including www.quaycuichobe.vn.bonbonkids.vn, recoverit.io.vn.laptoplc.com.vn, www.butve.vn.vihand.com, newtechco.vn.bonbonkids.vn and quaycuichobe.vn.bonbonkids.vn share IP numbers with cuuhobinhduong.com.

Name Servers

cuuhobinhduong.com is delegated to four name servers: ns1.tenten.vn, ns2.tenten.vn, ns3.tenten.vn and ns1.tenten.vn.cuuhobinhduong.com.

cuuhobinhduong.com at least partially shares name servers with other domains, for instance whereto.vn, hanhtrinhcungbe.com, hunghiephuylog.com, thuemaycongtrinh.com and fomexco.com.

These name servers are commonly used with ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn.

Host names with two IP numbers:

ns1.tenten.vn points to 2404:f080:1101:322:a150:95:113:2270 and 103.18.7.201.

ns2.tenten.vn points to 2404:f080:1101:322:a150:95:113:2271 and 103.18.7.202.

ns3.tenten.vn points to 2404:f080:1101:322:a150:95:113:2272 and 133.130.107.205.

Host names with one IP number:

ns1.tenten.vn.cuuhobinhduong.com points to 103.221.222.21.

Mail Servers

cuuhobinhduong.com is handled by a single mail server, mail.cuuhobinhduong.com.

mail.cuuhobinhduong.com resolves to IP 103.221.222.21.

cuuhobinhduong.com - robtex.com