`vietlearningonline.com`

DNSSEC	⚠️ Not signed
A	160.250.135.66^{DVS-AS-VN160.250.134.0/23 BSTECHCLOUD-VN}
NS	`a.ns.hostvn.net` ⭐
		A	185.136.96.112^{🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd}
			PTR	`a.ns.hostvn.net`
		A	185.136.97.112^{CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd}
			PTR	`a.ns.hostvn.net`
NS	`b.ns.hostvn.net`
		A	185.136.98.112^{🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd}
			PTR	`b.ns.hostvn.net`
		A	185.136.99.112^{CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd}
			PTR	`b.ns.hostvn.net`
SOA	`a.ns.hostvn.net`hostmaster@hostvn.net 2026-04-20 #4

`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=1778629606

Previously MX for

vietlearningonline.com

Subdomains

www.vietlearningonline.com

Same first word

vietlearningonline.com

DNS History

13 records (3 active, 10 former)

●NSa.ns.hostvn.net2026-03-11 → 2026-05-13 · 3 obs

○ 2026-02-22 20:58:26
● 2026-03-11 22:57:24
● 2026-05-13 00:17:04

●NSb.ns.hostvn.net2026-03-11 → 2026-05-13 · 3 obs

○ 2026-02-22 20:58:26
● 2026-03-11 22:57:24
● 2026-05-13 00:17:04

○NSns47.hostvn.net2018-06-09 → 2026-02-22 · 4 obs

● 2018-06-09 18:34:20
● 2026-02-22 20:58:26
○ 2026-03-11 22:57:24
○ 2026-05-13 00:17:04

○NSns48.hostvn.net2018-06-09 → 2026-02-22 · 4 obs

● 2018-06-09 18:34:20
● 2026-02-22 20:58:26
○ 2026-03-11 22:57:24
○ 2026-05-13 00:17:04

○MXalt1.aspmx.l.google.com2026-02-22 → 2026-02-22 · 4 obs

○ 2018-06-09 18:34:20
● 2026-02-22 20:58:26
○ 2026-03-11 22:57:24
○ 2026-05-13 00:17:04

○MXalt2.aspmx.l.google.com2026-02-22 → 2026-02-22 · 4 obs

○ 2018-06-09 18:34:20
● 2026-02-22 20:58:26
○ 2026-03-11 22:57:24
○ 2026-05-13 00:17:04

○MXalt3.aspmx.l.google.com2026-02-22 → 2026-02-22 · 4 obs

○ 2018-06-09 18:34:20
● 2026-02-22 20:58:26
○ 2026-03-11 22:57:24
○ 2026-05-13 00:17:04

○MXalt4.aspmx.l.google.com2026-02-22 → 2026-02-22 · 4 obs

○ 2018-06-09 18:34:20
● 2026-02-22 20:58:26
○ 2026-03-11 22:57:24
○ 2026-05-13 00:17:04

○MXaspmx.l.google.com2026-02-22 → 2026-02-22 · 4 obs

○ 2018-06-09 18:34:20
● 2026-02-22 20:58:26
○ 2026-03-11 22:57:24
○ 2026-05-13 00:17:04

○MXvietlearningonline.com2018-06-09 → 2018-06-09 · 3 obs

● 2018-06-09 18:34:20
○ 2026-02-22 20:58:26
○ 2026-05-13 00:17:04

○A125.212.224.1922018-06-09 → 2026-02-22 · 4 obs

● 2018-06-09 18:34:20
● 2026-02-22 20:58:26
○ 2026-03-11 22:57:24
○ 2026-05-13 00:17:04

●A160.250.135.662026-04-30 → 2026-05-13 · 3 obs

○ 2026-04-09 13:36:12
● 2026-04-30 13:23:16
● 2026-05-13 00:17:04

○A163.44.192.1272026-03-11 → 2026-04-09 · 5 obs

○ 2026-02-22 20:58:26
● 2026-03-11 22:57:24
● 2026-04-09 13:36:12
○ 2026-04-30 13:23:16
○ 2026-05-13 00:17:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...	-
vietlearningonline.com	a.ns.hostvn.net, b.ns.hostvn.net	-

✅ Authoritative Response

Server:185.136.97.112

NS records: a.ns.hostvn.net, b.ns.hostvn.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vietlearningonline.com (unsigned zone)

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.250.135.66`
NS	2	`b.ns.hostvn.net, a.ns.hostvn.net`
SOA	1	`a.ns.hostvn.net hostmaster.hostvn.net`

Analysis

Hierarchy

The parent of www.vietlearningonline.com is vietlearningonline.com.

IP Addresses

vietlearningonline.com points to a single IP: 160.250.135.66.

Name Servers

Two name servers a.ns.hostvn.net and b.ns.hostvn.net handle delegation for vietlearningonline.com.

vietlearningonline.com uses the same name server setup as other domains, for example kinhmatngochieu.com, gugee.com.vn, fama.com.vn, case-vn.com and thegioitrungbay.vn.

vietlearningonline.com shares name servers with other domains at least partially, for instance vietphatjsc.com.vn, khoachongtrom.vn and thanhoattinhtad.com.

These name servers commonly accompany ns2.anycast.vn, ns4.anycast.vn, ns3.anycast.vn and ns1.anycast.vn.

Host names with two IP numbers:

a.ns.hostvn.net points to: 185.136.96.112 and 185.136.97.112

b.ns.hostvn.net points to: 185.136.98.112 and 185.136.99.112

vietlearningonline.com - robtex.com