`dienchanonline.com`

DNSSEC	⚠️ Not signed
A	112.213.89.38^{🇻🇳 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	`ns8938.dotvndns.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`
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`
MX	`webmail.dienchanonline.com` ⭐
TXT	`tdkf9mgwq1gnbmqvh9qrh03sz6l5148f`
SOA	`nsbak.dotvndns.com`hostmaster@dienchanonline.com 2025-08-01 #16

`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=1778741956

Subdomains

webmail.dienchanonline.com

www.dienchanonline.com

Same first word

dienchanonline.com

DNS History

11 records (5 active, 6 former)

●NSns1.dotvndns.vn2019-12-31 → 2026-05-14 · 3 obs

○ 2016-07-08 01:31:12
● 2019-12-31 22:02:16
● 2026-05-14 07:25:34

●NSns2.dotvndns.vn2019-12-31 → 2026-05-14 · 3 obs

○ 2016-07-08 01:31:12
● 2019-12-31 22:02:16
● 2026-05-14 07:25:34

○NSns29.domaincontrol.com2015-08-06 → 2016-03-12 · 4 obs

● 2015-08-06 13:00:46
● 2016-03-12 21:30:44
○ 2016-07-08 01:31:12
○ 2026-05-14 07:25:34

○NSns30.domaincontrol.com2015-08-06 → 2016-03-12 · 4 obs

● 2015-08-06 13:00:46
● 2016-03-12 21:30:44
○ 2016-07-08 01:31:12
○ 2026-05-14 07:25:34

●NSnsbak.dotvndns.com2019-12-31 → 2026-05-14 · 3 obs

○ 2016-07-08 01:31:12
● 2019-12-31 22:02:16
● 2026-05-14 07:25:34

○MXmailstore1.secureserver.net2015-08-06 → 2016-03-12 · 4 obs

● 2015-08-06 13:00:46
● 2016-03-12 21:30:44
○ 2016-07-08 01:31:12
○ 2026-05-14 07:25:34

○MXsmtp.secureserver.net2015-08-06 → 2016-03-12 · 4 obs

● 2015-08-06 13:00:46
● 2016-03-12 21:30:44
○ 2016-07-08 01:31:12
○ 2026-05-14 07:25:34

●MXwebmail.dienchanonline.com2019-12-31 → 2026-05-14 · 3 obs

○ 2016-07-08 01:31:12
● 2019-12-31 22:02:16
● 2026-05-14 07:25:34

●A112.213.89.382026-02-16 → 2026-05-14 · 3 obs

○ 2019-12-31 22:02:16
● 2026-02-16 17:02:42
● 2026-05-14 07:25:34

○A45.251.112.532019-12-31 → 2019-12-31 · 4 obs

○ 2016-07-08 01:31:12
● 2019-12-31 22:02:16
○ 2026-02-16 17:02:42
○ 2026-05-14 07:25:34

○A50.62.160.2142015-08-06 → 2016-03-12 · 4 obs

● 2015-08-06 13:00:46
● 2016-03-12 21:30:44
○ 2016-07-08 01:31:12
○ 2026-05-14 07:25:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
dienchanonline.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dienchanonline.com (unsigned zone)

⏱️ Timing

Total: 2137ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.213.89.38`
NS	3	`nsbak.dotvndns.com, ns2.dotvndns.vn...`
MX	1	`webmail.dienchanonline.com (pri: 10)`
TXT	1	`tdkf9mgwq1gnbmqvh9qrh03sz6l5148f`
SOA	1	`nsbak.dotvndns.com hostmaster.dienchanon`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

dienchanonline.com is a parent of webmail.dienchanonline.com and www.dienchanonline.com.

IP Addresses

dienchanonline.com resolves to one IP number: 112.213.89.38.

Other host names, for instance www.vx.edu.vn, thienhoa.com, mucintuongthich.net, www.nihbt.org.vn and thbl.vn share IP numbers with dienchanonline.com.

Name Servers

dienchanonline.com is delegated to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

dienchanonline.com at least partially shares name servers with other domains, including avintana.com, quatangphuthinh.com, nireview.com, hatdieubatu.com and vnhuynhthy.com.

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

Host names with two IP numbers:

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

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

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

Mail Servers

A single mail server handles dienchanonline.com, webmail.dienchanonline.com.

dienchanonline.com - robtex.com