`sfb.vn`

DNSSEC	⚠️ Not signed
A	222.252.18.89^{🇻🇳 VTN-1222.252.16.0/20 VNPT-Net}
		PTR	`mail.sfb.vn`
NS	`ns4.tenten.vn` ⭐
		A	2404:f080:1101:302:a163:44:193:20^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns4.tenten.vn`
		A	103.18.7.204^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns4.tenten.vn`
NS	`ns5.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:21^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns5.tenten.vn`
		A	103.18.7.205^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns5.tenten.vn`
NS	`ns6.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:22^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns6.tenten.vn`
		A	52.74.6.184^{🇸🇬 Amazon52.74.0.0/16 SIN prefix}
			PTR	`ec2-52-74-6-184.ap-southeast-1.compute.amazonaws.com`
MX	`mail.sfb.vn` ⭐
		A	150.95.110.205^{🇻🇳 GMO-ZCOM-AS-VN150.95.104.0/21 RUNSYSTEM-VN}
			PTR	`cp03hn.emailserver.net.vn`
TXT	`_globalsign-domain-verification=epHaXTUngKyqhQ3PVrk6li40R1vP54tw3tV8DieOzh`
TXT	`v=spf1 +a +mx +ip4:150.95.110.205 include:emg01.emailserver.net.vn ~all`
TXT	`google-site-verification=Dwu-5EgDaupjs-splZ0TTivu4-kJtF-ZS74r8yVGkbk`
SOA	`NS4.TENTEN.vn`hostmaster@sfb.vn 2025-09-04 #20

`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=2030675455

Same first word

sfb.freeboxos.fr

sfb.at

sfb.email

sfb.org.za

sfb.accountants

sfb.kr

sfb.it

sfb.biz

sfb.ru

sfb.com.vn

sfb.digital

sfb.hamburg

sfb.uk.com

sfb.nl

sfb.net.au

sfb.sk

sfb.fr

sfb.me

sfb.net

sfb.global

sfb.ch

sfb.es

sfb.org.pe

sfb.de

sfb.lu

sfb.se

sfb.co.uk

sfb.ie

sfb.com

sfb.org

sfb.group

sfb.gov.tw

sfb.org.br

sfb.rs

sfb.info

sfb.no

sfb.cz

sfb.company

sfb.edu.rs

sfb.be

sfb.tv

sfb.swiss

Similar names

bsf.org.il

bsf.net

fbs.support

fbs.id

fbs.org

fbs.by

bfs.org.uk

bsf.co.nz

fbs.cl

fbs.be

fsb.or.kr

fsb.org.pt

fbs.report

sbf.no

sbf.nl

fbs.company

bsf.vn

bfs.design

fsb.agency

bsf.fr

bfs.co.id

bfs.de

bfs.ch

sbf.com.mx

sbf.stat.no

fsb.asia

fbs.one

fbs.co.in

fbs.su

fbs.es

fbs.la

bsf.international

bfs.org.au

bfs.ee

fbs.partners

bfs.com.pe

fbs.at

fsb.ac.th

fsb.org.uk

fbs.forex

fsb.eu

sbf.ro

bfs.is

sbf.today

bsf.com

fsb.me

sbf.de

fsb.co.nz

bfs.se

bfs.aero

bfs.es

fbs.bike

fsb.org

sbf.vip

bfs.at

fbs.bet

bfs.com.br

fbs.bio

fsb.in

bfs.it

bfs.net

bfs.name

bfs.kz

bfs.be

fsb.it

fsb.edu.vn

sbf.se

bsf.no

bsf.org.cn

bfs.finance

sbf.ae

sbf.com.tn

fsb.pl

sbf.co.jp

fbs.tel

bfs.as

fbs.bm

fbs.fr

fbs.asia

bfs.nl

fsb.at

sbf.cz

fbs.co.zm

sbf.at

bfs.cz

fbs.solutions

fsb.ru

sbf.ngo

bfs.com.ec

fbs.se

bsf.bg

fsb.be

fsb.bg

DNS History

17 records (5 active, 12 former)

○NSns1.imsvietnam.vn2015-06-28 → 2016-09-04 · 4 obs

● 2015-06-28 05:57:56
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

○NSns2.imsvietnam.vn2015-06-28 → 2016-09-04 · 4 obs

● 2015-06-28 05:57:56
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

○NSns3.imsvietnam.vn2015-06-28 → 2016-09-04 · 4 obs

● 2015-06-28 05:57:56
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

○NSns4.imsvietnam.vn2015-06-28 → 2016-09-04 · 4 obs

● 2015-06-28 05:57:56
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

●NSns4.tenten.vn2019-04-27 → 2026-04-18 · 3 obs

○ 2016-12-02 08:07:40
● 2019-04-27 21:19:56
● 2026-04-18 06:18:20

●NSns5.tenten.vn2019-04-27 → 2026-04-18 · 3 obs

○ 2016-12-02 08:07:40
● 2019-04-27 21:19:56
● 2026-04-18 06:18:20

●NSns6.tenten.vn2019-04-27 → 2026-04-18 · 3 obs

○ 2016-12-02 08:07:40
● 2019-04-27 21:19:56
● 2026-04-18 06:18:20

○MXalt1.aspmx.l.google.com2015-06-28 → 2016-09-04 · 4 obs

● 2015-06-28 05:57:56
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

○MXalt2.aspmx.l.google.com2015-06-28 → 2016-09-04 · 4 obs

● 2015-06-28 05:57:56
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

○MXaspmx.l.google.com2015-06-28 → 2016-09-04 · 4 obs

● 2015-06-28 05:57:56
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

○MXaspmx2.googlemail.com2015-06-28 → 2016-09-04 · 4 obs

● 2015-06-28 05:57:56
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

○MXaspmx3.googlemail.com2015-06-28 → 2016-09-04 · 4 obs

● 2015-06-28 05:57:56
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

●MXmail.sfb.vn2019-04-27 → 2026-04-18 · 3 obs

○ 2016-12-02 08:07:40
● 2019-04-27 21:19:56
● 2026-04-18 06:18:20

○A125.253.116.2102015-10-29 → 2016-09-04 · 5 obs

○ 2015-06-28 05:57:56
● 2015-10-29 02:45:54
● 2016-09-04 15:00:22
○ 2016-12-02 08:07:40
○ 2026-04-18 06:18:20

○A184.168.47.2252015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 05:57:56
○ 2015-10-29 02:45:54
○ 2026-04-18 06:18:20

●A222.252.18.892026-04-18 → 2026-04-18 · 3 obs

○ 2019-04-27 21:19:56
● 2026-04-18 06:18:18
● 2026-04-18 06:18:20

○A27.72.46.1422019-04-27 → 2019-04-27 · 4 obs

○ 2016-12-02 08:07:40
● 2019-04-27 21:19:56
○ 2026-04-18 06:18:18
○ 2026-04-18 06:18:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	f.dns-servers.vn, a.dns-servers.vn, d.dns-servers.vn, e.dns-servers.vn...	15 records
sfb.vn	ns4.tenten.vn, ns6.tenten.vn, ns5.tenten.vn	-

✅ Authoritative Response

Server:103.18.7.204

NS records: ns4.tenten.vn, ns6.tenten.vn, ns5.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfb.vn (unsigned zone)

⏱️ Timing

Total: 2434ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`222.252.18.89`
NS	3	`NS4.TENTEN.vn, NS5.TENTEN.vn...`
MX	1	`mail.sfb.vn (pri: 0)`
TXT	3	`_globalsign-domain-verification=epHaXTUn, google-site-verification=Dwu-5EgDaupjs-s...`
SOA	1	`NS4.TENTEN.vn hostmaster.sfb.vn`

📌 Glue Records Collected

Total: 15

In-bailiwick: 15 (h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn...)

Analysis

IP Addresses

sfb.vn points to a single IP number: 222.252.18.89.

Other host names, for instance vn.sll.vn, sll.vn, ns4.tenten.vn.sll.vn, tenten.vn.sll.vn and mail.sll.vn share IP numbers with sfb.vn.

Name Servers

The domain sfb.vn is delegated to three name servers: ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn.

sfb.vn shares name servers with other domains at least partially, for instance nhakhoathanhhoa.com.vn, vitadu.edu.vn, connectmedia.vn, suamaytinhtainha247.vn and qmedia.com.vn.

these name servers are often used with ns1.tenten.vn, ns2.tenten.vn and ns3.tenten.vn.

Host names with two IP numbers:

ns4.tenten.vn points to 2404:f080:1101:302:a163:44:193:20 and 103.18.7.204

ns5.tenten.vn points to 2404:f080:1101:302:a163:44:193:21 and 103.18.7.205

ns6.tenten.vn points to 2404:f080:1101:302:a163:44:193:22 and 52.74.6.184

Mail Servers

The mail server for sfb.vn is mail.sfb.vn.

Host name mail.sfb.vn resolves to IP 150.95.110.205.

sfb.vn - robtex.com

sfb.vn

vn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`sfb.vn`

`vn`