`7door.vn`

DNSSEC	⚠️ Not signed
A	45.117.156.105^{🇻🇳 MOBIFONE-AS-VN45.117.156.0/22 CLOUDONE-VN}
NS	`ns1.dotvndns.vn` ⭐
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 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	`ns1.dotvndns.vn`
NS	`ns2.dotvndns.vn`
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`nsbak.dotvndns.com`
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 SUPERDATA112.213.89.0/24 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	`ns8922.dotvndns.vn`
MX	`mx2.zoho.com` ⭐
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`google-site-verification=2V2JWMtf3IJRgu_poTlx3jhsn1DFbcdFLSSRoJJGR7I`
SOA	`ns1.dotvndns.vn`hostmaster@7door.vn 2026-05-12 #22

`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=2030764078

Subdomains

www.7door.vn

7home.7door.vn

Same first word

7door.com

7door.ru

7door.vn

DNS History

7 records (7 active, 0 former)

●NSns1.dotvndns.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 10:05:10
● 2026-05-12 13:41:48

●NSns2.dotvndns.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 10:05:10
● 2026-05-12 13:41:48

●NSnsbak.dotvndns.com2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 10:05:10
● 2026-05-12 13:41:48

●MXmx.zoho.com2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 10:05:10
● 2026-05-12 13:41:48

●MXmx2.zoho.com2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 10:05:10
● 2026-05-12 13:41:48

●MXmx3.zoho.com2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 10:05:10
● 2026-05-12 13:41:48

●A45.117.156.1052026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 10:05:10
● 2026-05-12 13:41:48

🔍 DNS Trace

Analysis

Hierarchy

7door.vn is a parent of www.7door.vn and 7home.7door.vn.

IP Addresses

7door.vn resolves to one IP number: 45.117.156.105.

Other host names, for instance www.7door.vn, share IP numbers with 7door.vn.

Name Servers

7door.vn is delegated to three name servers nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

7door.vn at least partially shares name servers with other domains, for instance noithatcuongthinh.com, bontam.info, tudothythy.vn, inkmax.vn and xettuyendaihoc.net.vn.

These name servers are commonly used alongside ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn, nsbak.pavietnam.net, nsbak.dotvndns.vn and ns4.dotvndns.vn.

Host names with two IP numbers:

nsbak.dotvndns.com points to: 2406:9c80::9000:302 and 112.213.89.22.

ns1.dotvndns.vn points to: 2406:9c80::66 and 112.213.89.3.

ns2.dotvndns.vn points to: 2406:9c80::9000:111 and 222.255.121.247.

Mail Servers

7door.vn is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

7door.vn shares some mail servers with other domains, at least partially, for instance utahmuleys.com, mycloudbusiness.net, pixelfuel.co.nz, parimate.com and whts.co.