`spn.vn`

DNSSEC	⚠️ Not signed
A	103.131.74.18^{🇻🇳 SUPERDATA103.131.74.0/24 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}
NS	`ns1.pavietnam.vn` ⭐ ⚠️ Not in parent delegation
		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	`ns1.dotvndns.vn` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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`
NS	`ns2.pavietnam.vn` ⚠️ Not in parent delegation
		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`
NS	`nsbak.dotvndns.com` ⚠️ Not in zone NS records
		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`
MX	`mail163110.maychuemail.com` ⭐
		A	103.77.163.110^{🇻🇳 SUPERDATA103.77.163.0/24 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	`mail163110.maychuemail.com`
MX	`mail163115.maychuemail.com`⁽¹⁰⁾
		A	103.77.163.115^{🇻🇳 SUPERDATA103.77.163.0/24 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	`mail163115.maychuemail.com`
TXT	`v=spf1 +a +mx +ip4:112.213.93.237 +ip4:222.255.103.237 +ip4:222.255.121.186 +...`
SOA	`ns1.pavietnam.vn`hostmaster@spn.vn 2025-08-19 #18

`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=2030756330

Subdomains

www.spn.vn

mail.spn.vn

Same first word

spn.pp.se

spn.cc

spn.org.in

spn.eu

spn.dk

spn.it

spn.io

spn.com

spn.vn

spn.kiev.ua

spn.ae

spn.be

spn.community

spn.no

spn.tw

spn.ru

spn.net

spn.dp.ua

spn.org.pt

spn.br

spn.org

spn.go.th

spn.com.au

spn.or.id

spn.expert

spn.by

spn.co.za

spn.ro

spn.fr

spn.krakow.pl

spn.asso.fr

spn.pt

spn.ca

spn.sr

spn.co.il

spn.at

spn.com.ua

spn.jp

spn.cz

spn.com.vn

spn.network

spn.su

spn.so

spn.pl

spn.sk

spn.asia

spn.events

spn.de

spn.us

spn.com.mx

spn.in.ua

spn.md

spn.cn

spn.lv

spn.ly

spn.com.do

spn.gov.pl

spn.ac.th

spn.org.gt

spn.co.id

spn.me

spn.edu.hk

spn.nl

spn.lt

spn.mx

spn.com.cn

spn.org.uk

Similar names

nsp.pr.gov.br

nsp.ru

nps.edu.ph

pns.ch

nps.gs

nps.com.uy

pns.co.uk

nps.info

pns.org

psn.com.ua

nps.house

pns.hk

psn.cz

snp.vn

pns.ca

nsp.gov.lk

nsp.at

psn.com.tr

nsp.as

nps.tel

psn.fi

psn.in

pns.es

nps.org.tw

nsp.center

nps.by

nps.international

nsp.net.cn

nsp.sg

nps.gov

nps.ru

snp.com.gr

nps.blue

snp.sk

nsp.solar

snp.at

pns.fyi

psn.gov.my

psn.com.br

psn.se

nsp.org

snp.be

nsp.net

pns.co

pns.edu.jo

snp.link

nps.edu

nps.at

pns.com.tr

nsp.pl

nsp.ltd

psn.de

snp.rs

snp.io

snp.network

nsp.co.il

pns.to

psn.com.pk

nps.mx

snp.gd

nps.com.pl

snp.digital

nps.rs

pns.expert

pns.no

psn.net

psn.be

nps.ca

psn.org

psn.hu

psn.info

snp.co.za

nsp.expert

pns.at

nps.gmbh

snp.org.pe

nsp.ac.th

DNS History

8 records (8 active, 0 former)

●NSns1.dotvndns.vn2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 07:37:26
● 2026-05-11 01:19:10

●NSns1.pavietnam.vn2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 07:37:26
● 2026-05-11 01:19:10

●NSns2.dotvndns.vn2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 07:37:26
● 2026-05-11 01:19:10

●NSns2.pavietnam.vn2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 07:37:26
● 2026-05-11 01:19:10

●NSnsbak.dotvndns.com2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 07:37:26
● 2026-05-11 01:19:10

●MXmail163110.maychuemail.com2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 07:37:26
● 2026-05-11 01:19:10

●MXmail163115.maychuemail.com2026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 07:37:26
● 2026-05-11 01:19:10

●A103.131.74.182026-05-01 → 2026-05-11 · 2 obs

● 2026-05-01 07:37:26
● 2026-05-11 01:19:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
spn.vn	ns2.dotvndns.vn, ns1.dotvndns.vn, nsbak.dotvndns.com	4 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spn.vn (unsigned zone)

⏱️ Timing

Total: 1969ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.131.74.18`
NS	2	`ns2.pavietnam.vn, ns1.pavietnam.vn`
MX	2	`mail163115.maychuemail.com (pri: 10), mail163110.maychuemail.com (pri: 1)`
TXT	1	`v=spf1 +a +mx +ip4:112.213.93.237 +ip4:2`
SOA	1	`ns1.pavietnam.vn hostmaster.spn.vn`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)

Analysis

Hierarchy

spn.vn is a parent of www.spn.vn and mail.spn.vn.

IP Addresses

spn.vn maps to IP address 103.131.74.18.

Other host names, for instance vietrubber.com, vinalegal.com, kinhbaccity.vn, pgl.com.vn and icoob.vaithunthienminh.com share IP numbers with spn.vn.

Name Servers

spn.vn delegates to five name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.pavietnam.vn and ns2.pavietnam.vn.

spn.vn at least partially shares name servers with other domains such as cloud24.com.vn, nhamangtrongdualuoi.vn, pioneerdj.com.vn, hienlinh.vn and taxitaigiare.com.vn.

These name servers are commonly used alongside nsbak.pavietnam.net, ns3.dotvndns.vn and dnsbak.dotvndns.vn.

Host names with two IP numbers:

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

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

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

ns1.pavietnam.vn points to: 2406:9c80::66 and 112.213.89.3.

ns2.pavietnam.vn points to: 2406:9c80::9000:111 and 222.255.121.247.

Names pointing to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn.

Names pointing to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn.

Names pointing to 2406:9c80::9000:111: ns2.dotvndns.vn and ns2.pavietnam.vn.

Names pointing to 222.255.121.247: ns2.dotvndns.vn and ns2.pavietnam.vn.

Mail Servers

Two mail servers handle spn.vn: mail163110.maychuemail.com and mail163115.maychuemail.com.

spn.vn shares the mail server setup with other domains, such as ciciliadanang.com, hoangha-engineering.com.vn and grgtrans.com.

spn.vn shares mail servers with other domains at least in part, for instance hktech.co, faco.com.vn, esog.com.vn, dhc.vn and nightdaysecurity.com.

these mail servers are often used together with mail163120.maychuemail.com, mail93111.maychuemail.com and mx93111.maychuemail.net.

Host names with a single IP address:

mail163110.maychuemail.com points to 103.77.163.110

mail163115.maychuemail.com points to 103.77.163.115

spn.vn - robtex.com

spn.vn

vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`spn.vn`

`vn`