`cuuvanlong.com`

DNSSEC	⚠️ Not signed
A	103.130.217.91^{🇻🇳 WEBICO-AS-VN103.130.216.0/23 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	`thietkelogo.art`
NS	`a.ns.hostvn.net` ⭐
		A	185.136.96.112^{🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd}
			PTR	`a.ns.hostvn.net`
		A	185.136.97.112^{CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd}
			PTR	`a.ns.hostvn.net`
NS	`b.ns.hostvn.net`
		A	185.136.98.112^{🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd}
			PTR	`b.ns.hostvn.net`
		A	185.136.99.112^{CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd}
			PTR	`b.ns.hostvn.net`
MX	`a.mx.hostvn.email` ⭐
		A	2001:df6:2200:22::9001^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	2001:df6:2200:22::9002^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	103.82.198.184^{🇻🇳 ECONET-AS-VN103.82.198.0/24 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	`a-node01.gw-in.hostvn.email`
		A	103.82.198.185^{🇻🇳 ECONET-AS-VN103.82.198.0/24 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	`a-node02.gw-in.hostvn.email`
		A	125.212.224.185^{🇻🇳 VTDC-AS-VN125.212.224.0/24 VIETTEL-VN}
MX	`b.mx.hostvn.email`⁽⁵⁾
		A	2001:df6:2200:20::9001^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	2001:df6:2200:20::9002^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	2001:df6:2200:22::9999^{🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN}
		A	103.82.198.34^{🇻🇳 ECONET-AS-VN103.82.198.0/24 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	`b.gw-in.hostvn.email`
		A	103.157.20.34^{🇻🇳 HOSTVN-VN103.157.20.0/24 GKCOMPANY-VN}
			PTR	`b-node01.gw-in.hostvn.email`
		A	103.157.20.35^{🇻🇳 HOSTVN-VN103.157.20.0/24 GKCOMPANY-VN}
			PTR	`b-node02.gw-in.hostvn.email`
TXT	`v=spf1 a mx include:_spf.hostvn.email ~all`
SOA	`a.ns.hostvn.net`hostmaster@hostvn.net 2024-08-09 #18

`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=1778365901

Subdomains

hcm.cuuvanlong.com

Same first word

cuuvanlong.com

DNS History

9 records (5 active, 4 former)

●NSa.ns.hostvn.net2026-03-03 → 2026-05-09 · 3 obs

○ 2019-12-17 17:13:48
● 2026-03-03 17:15:48
● 2026-05-09 22:32:32

●NSb.ns.hostvn.net2026-03-03 → 2026-05-09 · 3 obs

○ 2019-12-17 17:13:48
● 2026-03-03 17:15:48
● 2026-05-09 22:32:32

○NSns49.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 17:13:48
○ 2026-03-03 17:15:48
○ 2026-05-09 22:32:32

○NSns50.domaincontrol.com2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 17:13:48
○ 2026-03-03 17:15:48
○ 2026-05-09 22:32:32

●MXa.mx.hostvn.email2026-03-03 → 2026-05-09 · 2 obs

● 2026-03-03 17:15:48
● 2026-05-09 22:32:32

●MXb.mx.hostvn.email2026-03-03 → 2026-05-09 · 2 obs

● 2026-03-03 17:15:48
● 2026-05-09 22:32:32

●A103.130.217.912026-03-03 → 2026-05-09 · 3 obs

○ 2019-12-17 17:13:48
● 2026-03-03 17:15:48
● 2026-05-09 22:32:32

○A13.229.38.2262019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 17:13:48
○ 2026-03-03 17:15:48
○ 2026-05-09 22:32:32

○A184.168.221.452019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 17:13:48
○ 2026-03-03 17:15:48
○ 2026-05-09 22:32:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
cuuvanlong.com	a.ns.hostvn.net, b.ns.hostvn.net	-

✅ Authoritative Response

Server:185.136.97.112

NS records: a.ns.hostvn.net, b.ns.hostvn.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cuuvanlong.com (unsigned zone)

⏱️ Timing

Total: 488ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.130.217.91`
NS	2	`b.ns.hostvn.net, a.ns.hostvn.net`
MX	2	`a.mx.hostvn.email (pri: 1), b.mx.hostvn.email (pri: 5)`
TXT	1	`v=spf1 a mx include:_spf.hostvn.email ~a`
SOA	1	`a.ns.hostvn.net hostmaster.hostvn.net`

Analysis

Hierarchy

cuuvanlong.com is a parent of hcm.cuuvanlong.com.

IP Addresses

cuuvanlong.com points to a single IP address: 103.130.217.91.

Other host names such as tuyensinhchinhquy24h.com, datankhanh.vn, nghiencuugiaoduc.com.vn, toyota-longbien.net.vn and webdisk.psl-logistics.vn share IP numbers with cuuvanlong.com.

Name Servers

cuuvanlong.com is delegated to two name servers: a.ns.hostvn.net and b.ns.hostvn.net.

cuuvanlong.com uses the same name server setup as other domains, including mastershipping.vn, maydoluc.com, xedaponline.vn, hasunohana.vn and amazingyou.edu.vn.

cuuvanlong.com partially shares name servers with other domains, for instance dihoc.vn, peo.vn, thorakaovn.com and ducviet.edu.vn.

These name servers are commonly used with ns1.anycast.vn, ns2.anycast.vn, ns3.anycast.vn and ns4.anycast.vn.

Host names with two IP numbers:

a.ns.hostvn.net points to 185.136.96.112 and 185.136.97.112.

b.ns.hostvn.net points to 185.136.98.112 and 185.136.99.112.

Mail Servers

cuuvanlong.com is handled by two mail servers: a.mx.hostvn.email and b.mx.hostvn.email.

cuuvanlong.com uses the same mail server setup as other domains, for instance duyquang.vn, hst.email, topav.com.vn, gcom-co.vn and yuwonnrt.com.vn.

cuuvanlong.com shares at least some mail servers with other domains, for example tmarket.vn, crx.vn, gigadigital.vn, atvinlift.com and viar.gov.vn.

Host names with six IP numbers:

b.mx.hostvn.email points to: 2001:df6:2200:20::9001, 2001:df6:2200:20::9002, 2001:df6:2200:22::9999, 103.82.198.34, 103.157.20.34 and 103.157.20.35.

Host names with five IP numbers:

a.mx.hostvn.email points to: 2001:df6:2200:22::9001, 2001:df6:2200:22::9002, 103.82.198.184, 103.82.198.185 and 125.212.224.185.

cuuvanlong.com - robtex.com

cuuvanlong.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`cuuvanlong.com`

`com`