`vnt-charter.com`

DNSSEC	⚠️ Not signed
A	103.35.64.104^{🇻🇳 FPT-AS-AP103.35.64.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
		PTR	`mail.vnt-charter.com`
NS	`ns1.pavietnam.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	`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	`vntcharter-com0i.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`
MX	`mail.vnt-charter.com`⁽¹⁰⁾
		A	103.35.64.104^{🇻🇳 FPT-AS-AP103.35.64.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`mail.vnt-charter.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1.pavietnam.vn`hostmaster@vnt-charter.com 2024-08-28 #5

`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=1774618777

Subdomains

mail.vnt-charter.com

Same first word

vnt-charter.com

DNS History

9 records (7 active, 2 former)

○NSdns21.fpt.vn2016-12-17 → 2017-11-16 · 4 obs

● 2016-12-17 08:19:50
● 2017-11-16 21:20:22
○ 2026-03-13 16:59:34
○ 2026-03-27 13:51:38

○NSdns22.fpt.vn2016-12-17 → 2017-11-16 · 4 obs

● 2016-12-17 08:19:50
● 2017-11-16 21:20:22
○ 2026-03-13 16:59:34
○ 2026-03-27 13:51:38

●NSns1.dotvndns.vn2026-03-13 → 2026-03-27 · 3 obs

○ 2017-11-16 21:20:22
● 2026-03-13 16:59:34
● 2026-03-27 13:51:38

●NSns1.pavietnam.vn2026-03-13 → 2026-03-27 · 3 obs

○ 2017-11-16 21:20:22
● 2026-03-13 16:59:34
● 2026-03-27 13:51:38

●NSns2.dotvndns.vn2026-03-13 → 2026-03-27 · 3 obs

○ 2017-11-16 21:20:22
● 2026-03-13 16:59:34
● 2026-03-27 13:51:38

●NSnsbak.dotvndns.com2026-03-13 → 2026-03-27 · 3 obs

○ 2017-11-16 21:20:22
● 2026-03-13 16:59:34
● 2026-03-27 13:51:38

●MXmail.vnt-charter.com2016-12-17 → 2026-03-27 · 2 obs

● 2016-12-17 08:19:50
● 2026-03-27 13:51:38

●MXvntcharter-com0i.mail.protection.outlook.com2026-03-13 → 2026-03-27 · 3 obs

○ 2016-12-17 08:19:50
● 2026-03-13 16:59:34
● 2026-03-27 13:51:38

●A103.35.64.1042026-03-13 → 2026-03-27 · 2 obs

● 2026-03-13 16:59:34
● 2026-03-27 13:51:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
vnt-charter.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ Authoritative Response

Server:222.255.121.247

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vnt-charter.com (unsigned zone)

⏱️ Timing

Total: 4508ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.35.64.104`
NS	3	`ns1.dotvndns.vn, ns2.dotvndns.vn...`
MX	2	`vntcharter-com0i.mail.protection.outlook, mail.vnt-charter.com (pri: 10)`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.pavietnam.vn hostmaster.vnt-charter.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)

Analysis

Hierarchy

The parent of mail.vnt-charter.com is vnt-charter.com.

IP Addresses

vnt-charter.com points to a single IP: 103.35.64.104.

Other host names, such as mail.vnt-charter.com, share IP numbers with vnt-charter.com.

Name Servers

vnt-charter.com's delegation is handled by four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns1.pavietnam.vn.

vnt-charter.com partially shares name servers with other domains; examples include hapcojsc.com.vn, k-plus.com.vn, laptrinhjavascript.net, ketnoidulich.com and sframework.com.

These name servers are commonly used with ns2.pavietnam.vn, nsbak.pavietnam.net and ns3.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.

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

Host names that point to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn.

Host names that point to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn.

Mail Servers

vnt-charter.com is handled by two mail servers: mail.vnt-charter.com and vntcharter-com0i.mail.protection.outlook.com.

Host names with six IPs: vntcharter-com0i.mail.protection.outlook.com points to 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. Host names with one IP: mail.vnt-charter.com points to 103.35.64.104.

vnt-charter.com - robtex.com

vnt-charter.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`vnt-charter.com`

`com`