`webmail.thanhhoccode.io.vn`

CNAME	`thanhhoccode.io.vn`
DNSSEC	⚠️ Not signed
A	103.130.216.143^{🇻🇳 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	`h216143.tino.org`
NS	`ns1.tino.vn` ⭐ ⚠️ Not in zone NS records
		A	2405:2840:0:4::4^{🇻🇳 WEBICO-AS-VN2405:2840::/48 Tino Group Joint Stock Company Tino Group Joint Stock Company}
			PTR	`ns1.tino.vn`
		A	103.130.217.20^{🇻🇳 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	`ns2.tino.vn`
NS	`ns1.tino.org` ⚠️ Not in parent delegation
		A	2405:2840:0:4::4^{🇻🇳 WEBICO-AS-VN2405:2840::/48 Tino Group Joint Stock Company Tino Group Joint Stock Company}
			PTR	`ns1.tino.vn`
		A	103.130.217.20^{🇻🇳 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	`ns2.tino.vn`
NS	`ns2.tino.org` ⚠️ Not in parent delegation
		A	2001:19f0:4401:f59:5400:2ff:feb0:6b6d^{🇸🇬 AS-VULTR2001:19f0:4400::/38 Vultr Assigned Prefix}
		A	139.180.129.9^{🇸🇬 AS-VULTR139.180.128.0/19 The Constant Company, LLC 319 CLEMATIS ST Suite 900}
			PTR	`ns2.tino.org`
NS	`ns2.tino.vn` ⚠️ Not in zone NS records
		A	2001:19f0:4401:f59:5400:2ff:feb0:6b6d^{🇸🇬 AS-VULTR2001:19f0:4400::/38 Vultr Assigned Prefix}
		A	139.180.129.9^{🇸🇬 AS-VULTR139.180.128.0/19 The Constant Company, LLC 319 CLEMATIS ST Suite 900}
			PTR	`ns2.tino.org`
MX	`thanhhoccode.io.vn` ⭐
		A	103.130.216.143^{🇻🇳 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	`h216143.tino.org`
SOA	`ns1.tino.vn`dragonking79@tnh.gmail.com 2024-05-03 #12

`thanhhoccode.io.vn`

	DNSSEC	⚠️ Not signed
	A	103.130.216.143^{🇻🇳 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}
	NS	`ns1.tino.vn` ⭐ ⚠️ Not in zone NS records
	NS	`ns1.tino.org` ⚠️ Not in parent delegation
	NS	`ns2.tino.org` ⚠️ Not in parent delegation
	NS	`ns2.tino.vn` ⚠️ Not in zone NS records
	MX	`thanhhoccode.io.vn` ⭐
	SOA	`ns1.tino.vn`dragonking79@tnh.gmail.com 2024-05-03 #12

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DNS History

1 record (1 active, 0 former)

●CNAMEthanhhoccode.io.vn2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 18:12:00
● 2026-05-11 06:38:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
thanhhoccode.io.vn	ns1.tino.vn, ns2.tino.vn	-

✅ Authoritative Response

Server:103.130.217.20

NS records: ns1.tino.vn, ns2.tino.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thanhhoccode.io.vn (unsigned zone)

⏱️ Timing

Total: 1695ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`thanhhoccode.io.vn`

Analysis

IP Addresses

webmail.thanhhoccode.io.vn points to a single IP number: 103.130.216.143.

other host names for instance caspervn.vn, svnhostingcomparison.com, toyotavinhphucphutho.vn, cpanel.dtts.com.vn and pa.com.vn share IP numbers with webmail.thanhhoccode.io.vn.

Name Servers

webmail.thanhhoccode.io.vn is delegated to four name servers: ns1.tino.org, ns2.tino.org, ns1.tino.vn and ns2.tino.vn.

webmail.thanhhoccode.io.vn at least partially shares name servers with other domains, for instance samdy.vn, huongtrangbooks.com, gachlapthanh.com, casiohcm.vn and ttparking.com.vn.

These name servers are commonly used with dns1.webico.vn, dns2.webico.vn, ns3.tino.org and ns4.tino.org.

Host ns1.tino.org points to 2405:2840:0:4::4 and 103.130.217.20.

Host ns2.tino.org points to 2001:19f0:4401:f59:5400:2ff:feb0:6b6d and 139.180.129.9.

Host ns1.tino.vn points to 2405:2840:0:4::4 and 103.130.217.20.

Host ns2.tino.vn points to 2001:19f0:4401:f59:5400:2ff:feb0:6b6d and 139.180.129.9.

Hosts pointing to 2405:2840:0:4::4: ns1.tino.org and ns1.tino.vn.

Hosts pointing to 103.130.217.20: ns1.tino.org and ns1.tino.vn.

Hosts pointing to 2001:19f0:4401:f59:5400:2ff:feb0:6b6d: ns2.tino.org and ns2.tino.vn.

Hosts pointing to 139.180.129.9: ns2.tino.org and ns2.tino.vn.

Mail Servers

webmail.thanhhoccode.io.vn is handled by a single mail server, thanhhoccode.io.vn.

webmail.thanhhoccode.io.vn shares the same mail server setup as other domains, for example thanhhoccode.io.vn.

Host name thanhhoccode.io.vn points to IP address 103.130.216.143.

webmail.thanhhoccode.io.vn - robtex.com