`vstep.vn`

DNSSEC	⚠️ Not signed
A	112.137.136.27^{🇻🇳 VNU-AS-VN112.137.136.0/24 VNU-VN}
NS	`ns1.matbao.vn` ⭐
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns2.matbao.vn`
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
SOA	`ns1.matbao.vn`admin@matbao.com 2021-02-26 #4

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030653407

Subdomains

www.vstep.vn

Same first word

vstep.org

vstep.vn

vstep.net

vstep.eu

vstep.nl

vstep.ch

vstep.de

vstep.com

vstep.ru

vstep.online

vstep.edu.vn

vstep.net.vn

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svpet.com

esptv.agency

tvsep.de

evtsp.com

spvet.com.br

esvtp.cyou

septv.com

epsvt.com

epstv.com

tevps.net

svpet.in

tepvs.com

tveps.com

vpets.com

vtesp.com

psevt.com

psetv.com

svpte.be

petvs.com

epstv.co.uk

esvtp.shop

vetsp.com

tvpes.cz

setvp.com

evspt.com

spvet.it

vetsp.dyndns.info

svetp.ru

pvets.com

vpets.ru

stepv.co.jp

vpets.org

pestv.com

pvest.com

pvset.de

vetsp.com.br

vpets.com.au

setvp.nl

evpst.com

vpset.com

stevp.co.uk

tvsep.org

vestp.ee

esptv.net

estpv.com

esptv.com

svpte.fr

esptv.pl

pvset.com

DNS History

4 records (3 active, 1 former)

●NSns1.matbao.vn2018-08-15 → 2026-04-13 · 2 obs

● 2018-08-15 07:27:16
● 2026-04-13 00:36:50

●NSns2.matbao.vn2018-08-15 → 2026-04-13 · 2 obs

● 2018-08-15 07:27:16
● 2026-04-13 00:36:50

○A112.137.136.142018-08-15 → 2018-08-15 · 3 obs

● 2018-08-15 07:27:16
○ 2026-04-05 13:51:12
○ 2026-04-13 00:36:50

●A112.137.136.272026-04-05 → 2026-04-13 · 3 obs

○ 2018-08-15 07:27:16
● 2026-04-05 13:51:12
● 2026-04-13 00:36:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	16 records
vstep.vn	ns1.matbao.vn, ns2.matbao.vn	2 records

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vstep.vn (unsigned zone)

⏱️ Timing

Total: 1624ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.137.136.27`
NS	2	`ns2.matbao.vn, ns1.matbao.vn`
SOA	1	`ns1.matbao.vn admin.matbao.com`

📌 Glue Records Collected

Total: 18

In-bailiwick: 16 (a.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn...)

Out-of-bailiwick: 2 (ns1.matbao.vn, ns2.matbao.vn)

Analysis

Hierarchy

vstep.vn is parent of www.vstep.vn.

IP Addresses

vstep.vn points to a single IP: 112.137.136.27.

Other host names, for instance vstep.vnu.edu.vn, share IP numbers with vstep.vn.

Name Servers

vstep.vn's delegation is to two name servers ns1.matbao.vn and ns2.matbao.vn.

vstep.vn shares the same name server configuration as other domains, such as tinhdaukhanhlinh.vn, shinrai.com.vn, hssv.vn, vipa.ac.vn and glamod-fashion.com.

vstep.vn at least partially shares its name servers with other domains, for instance trangvikhang.net, jkshop.vn, candaiquang.com, dinhvimientrung.com and newwindows.edu.vn.

These name servers are commonly paired with ns1.matbao.com, ns-bak.matbao.com, ns2.matbao.com, ns3.matbao.vn, ns4.matbao.vn, ns1.digipowerdns.com, ns2.digipowerdns.com, ns3.digipowerdns.com and ns4.digipowerdns.com.

Host names with two IP numbers: ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60; ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11

vstep.vn - robtex.com

vstep.vn

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