letscode.edu.vn - dns.ninja

`letscode.edu.vn`

DNSSEC	⚠️ Not signed
A	103.221.222.38^{🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN}
NS	`nsbak.pavietnam.net` ⭐
		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`
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	`ns2.pavietnam.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`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
SOA	`nsbak.pavietnam.net`hostmaster@letscode.edu.vn 2026-04-06 #24

`edu.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2018572019

Subdomains

ems.letscode.edu.vn

www.letscode.edu.vn

dev.letscode.edu.vn

Same first word

letscode.es

letscode.edu.vn

letscode.in

letscode.hu

letscode.online

letscode.ru

letscode.de

letscode.it

letscode.com

letscode.pl

letscode.net

letscode.xyz

letscode.org

Similar names

DNS History

5 records (5 active, 0 former)

●NSns1.pavietnam.vn2026-05-01 → 2026-06-08 · 2 obs

● 2026-05-01 00:58:38
● 2026-06-08 22:00:24

●NSns2.pavietnam.vn2026-05-01 → 2026-06-08 · 2 obs

● 2026-05-01 00:58:38
● 2026-06-08 22:00:24

●NSnsbak.pavietnam.net2026-05-01 → 2026-06-08 · 2 obs

● 2026-05-01 00:58:38
● 2026-06-08 22:00:24

●MXsmtp.google.com2026-05-01 → 2026-06-08 · 2 obs

● 2026-05-01 00:58:38
● 2026-06-08 22:00:24

●A103.221.222.382026-05-01 → 2026-06-08 · 2 obs

● 2026-05-01 00:58:38
● 2026-06-08 22:00:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	e.dns-servers.vn, a.dns-servers.vn, g.dns-servers.vn, c.dns-servers.vn...	-
letscode.edu.vn	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn	-

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letscode.edu.vn (unsigned zone)

⏱️ Timing

Total: 2415ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.221.222.38`
NS	3	`nsbak.pavietnam.net, ns1.pavietnam.vn...`
MX	1	`smtp.google.com (pri: 1)`
SOA	1	`nsbak.pavietnam.net hostmaster.letscode.`

Analysis

Hierarchy

letscode.edu.vn is the parent domain of ems.letscode.edu.vn, www.letscode.edu.vn and dev.letscode.edu.vn.

IP Addresses

letscode.edu.vn directs to one IP number, which is 103.221.222.38.

Among the host names that share IP numbers with letscode.edu.vn are www.remaxvietnam.com.vn, indel.vn, hondanghean.vn and two others.

Name Servers

letscode.edu.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

letscode.edu.vn shares at least some of its name servers with other domains, including arirangchemical.com, acquynguyenhan.com, samtrip.vn and two others.

These name servers are routinely co-deployed with the name servers ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and two others.

nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn each resolve to two IP addresses: nsbak.pavietnam.net resolves to 112.213.89.22 and 2406:9c80::9000:302; ns1.pavietnam.vn resolves to 112.213.89.3 and 2406:9c80::66; ns2.pavietnam.vn resolves to 222.255.121.247 and 2406:9c80::9000:111.

Mail Servers

letscode.edu.vn routes its mail through a single mail server, smtp.google.com.

letscode.edu.vn has the same mail server arrangement as a number of other domains, for example tresperros.cl, wschurch.com, ogawaseiki.com and two more.

letscode.edu.vn shares at least some of its mail servers with other domains — for example deca.ca, as.ac.th, inbidz.com and two more.

These mail servers are frequently paired with the mail servers alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

With 9 IP numbers overall, smtp.google.com directs to 64.233.180.26, 64.233.180.27, 142.251.167.26 and six others.