`dbl.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:29c6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:c048^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.198^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.72^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anton.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2caf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anton.ns.cloudflare.com`
		A	108.162.195.175^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anton.ns.cloudflare.com`
		A	162.159.44.175^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anton.ns.cloudflare.com`
		A	172.64.35.175^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anton.ns.cloudflare.com`
NS	`romina.ns.cloudflare.com`
		A	2606:4700:50::a29f:269f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`romina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`romina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`romina.ns.cloudflare.com`
		A	108.162.194.159^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`romina.ns.cloudflare.com`
		A	162.159.38.159^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`romina.ns.cloudflare.com`
		A	172.64.34.159^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`romina.ns.cloudflare.com`
MX	`mx1.onemail.vn` ⭐
		A	103.216.116.14^{🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN}
			PTR	`mx1.smtp-in.onemail.vn`
MX	`mx2.onemail.vn` ⭐
		A	103.72.96.29^{🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN}
			PTR	`mx2.smtp-in.onemail.vn`
MX	`mx3.onemail.vn` ⭐
		A	103.56.162.10^{🇻🇳 VNPT-AS-VN103.56.160.0/22 INETSOFT-VN}
			PTR	`mx3.smtp-in.onemail.vn`
TXT	`v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:report@example.com;`
TXT	`v=spf1 include:_spf.onemail.vn ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.198, 172.67.192.72
		IPv6 hints	2606:4700:3031::6815:29c6, 2606:4700:3032::ac43:c048
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOA	`anton.ns.cloudflare.com`dns@cloudflare.com serial=2403797032

`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=2030770466

Same first word

dbl.co

dbl.bayern

dbl.org

dbl.me

dbl.vc

dbl.vn

dbl.ltd

dbl.mobi

dbl.lu

dbl.legal

dbl.game

dbl.tv

dbl.com.mx

dbl.net.au

dbl.fr

dbl.jp

dbl.school

dbl.de

dbl.edu.vn

dbl.gmbh

dbl.hu

dbl.gg

dbl.ie

dbl.nu

dbl.com

dbl.net

dbl.at

dbl.be

dbl.digital

dbl.co.kr

dbl.hk

dbl.nrw

dbl.co.il

dbl.co.uk

dbl.in

dbl.es

dbl.cl

dbl.ch

dbl.com.au

Similar names

bdl.it

dlb.com.cn

bld.selfip.com

bld.ru

lbd.org

bld.ai

bdl.at

bdl.com

ldb.ca

bld.one

bdl.no

lbd.org.es

dlb.be

lbd.com.tw

ldb.it

lbd.uk.com

dlb.fr

ldb.agency

bdl.org.uk

ldb.com.ly

dlb.sa.edu.au

bdl.com.pk

bdl.cz

ldb.lu

bdl.cn

lbd.co

dlb.info

bdl.fr

lbd.ca

lbd.at

bdl.gov.lb

bld.ir

lbd.com

bld.ch

bld.mobi

ldb.us

dlb.lk

lbd.de

ldb.kr

dlb.ee

bld.co.jp

lbd.us

bdl.info

ldb.fr

bdl.net.nz

lbd.co.kr

bld.dk

ldb.world

bdl.com.ar

bld.com

ldb.es

dlb.cz

bld.eu

bld.net

dlb.com

ldb.jp

lbd.net

bdl.biz

bld.su

bld.sk

bdl.pe.kr

bld.vn

bdl.dz

bdl.bank

ldb.pl

ldb.mx

lbd.co.il

bld.ac.th

bdl.pl

bld.bg

bdl.co

bdl.es

ldb.cz

lbd.eu

dlb.by

dlb.ro

ldb.ph

dlb.co.za

lbd.gr

bld.agency

bld.com.ar

DNS History

14 records (9 active, 5 former)

●NSanton.ns.cloudflare.com2026-05-09 → 2026-05-14 · 3 obs

○ 2026-05-05 00:36:18
● 2026-05-09 12:45:30
● 2026-05-14 03:02:38

○NSns-master.inet.vn2026-05-01 → 2026-05-05 · 4 obs

● 2026-05-01 15:26:28
● 2026-05-05 00:36:18
○ 2026-05-09 12:45:30
○ 2026-05-14 03:02:38

○NSns1.inet.vn2026-05-01 → 2026-05-05 · 4 obs

● 2026-05-01 15:26:28
● 2026-05-05 00:36:18
○ 2026-05-09 12:45:30
○ 2026-05-14 03:02:38

○NSns2.inet.vn2026-05-01 → 2026-05-05 · 4 obs

● 2026-05-01 15:26:28
● 2026-05-05 00:36:18
○ 2026-05-09 12:45:30
○ 2026-05-14 03:02:38

○NSns3.inet.vn2026-05-01 → 2026-05-05 · 4 obs

● 2026-05-01 15:26:28
● 2026-05-05 00:36:18
○ 2026-05-09 12:45:30
○ 2026-05-14 03:02:38

●NSromina.ns.cloudflare.com2026-05-09 → 2026-05-14 · 3 obs

○ 2026-05-05 00:36:18
● 2026-05-09 12:45:30
● 2026-05-14 03:02:38

●MXmx1.onemail.vn2026-05-01 → 2026-05-14 · 2 obs

● 2026-05-01 15:26:28
● 2026-05-14 03:02:38

●MXmx2.onemail.vn2026-05-01 → 2026-05-14 · 2 obs

● 2026-05-01 15:26:28
● 2026-05-14 03:02:38

●MXmx3.onemail.vn2026-05-01 → 2026-05-14 · 2 obs

● 2026-05-01 15:26:28
● 2026-05-14 03:02:38

●A104.21.41.1982026-05-09 → 2026-05-14 · 3 obs

○ 2026-05-05 00:36:18
● 2026-05-09 12:45:30
● 2026-05-14 03:02:38

○A14.224.151.522026-05-01 → 2026-05-05 · 4 obs

● 2026-05-01 15:26:28
● 2026-05-05 00:36:18
○ 2026-05-09 12:45:30
○ 2026-05-14 03:02:38

●A172.67.192.722026-05-09 → 2026-05-14 · 3 obs

○ 2026-05-05 00:36:18
● 2026-05-09 12:45:30
● 2026-05-14 03:02:38

●A2606:4700:3031::6815:29c62026-05-09 → 2026-05-14 · 3 obs

○ 2026-05-05 00:36:18
● 2026-05-09 12:45:30
● 2026-05-14 03:02:38

●A2606:4700:3032::ac43:c0482026-05-09 → 2026-05-14 · 3 obs

○ 2026-05-05 00:36:18
● 2026-05-09 12:45:30
● 2026-05-14 03:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
dbl.vn	anton.ns.cloudflare.com, romina.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.159

NS records: anton.ns.cloudflare.com, romina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dbl.vn (unsigned zone)

⏱️ Timing

Total: 1817ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.192.72, 104.21.41.198`
AAAA	2	`2606:4700:3032::ac43:c048, 2606:4700:3031::6815:29c6`
NS	2	`anton.ns.cloudflare.com, romina.ns.cloudflare.com`
MX	3	`mx1.onemail.vn (pri: 0), mx2.onemail.vn (pri: 0)...`
TXT	2	`v=DMARC1; p=quarantine; adkim=s; aspf=s;, v=spf1 include:_spf.onemail.vn ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anton.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

dbl.vn refers to four IP numbers: 2606:4700:3031::6815:29c6, 2606:4700:3032::ac43:c048, 104.21.41.198 and 172.67.192.72.

Other host names, for instance bets861302.com, testwing.com, fafozopusmanagement.click, infomistico.com and jiuyou-official-web-version.com.cn share IP numbers with dbl.vn.

Name Servers

dbl.vn's delegation uses two name servers: anton.ns.cloudflare.com and romina.ns.cloudflare.com.

dbl.vn uses the same name server setup as other domains, such as 2600.yokohama, rgcincy.com, trimooni.com, promonum.com and itk-rs34hr.com.

dbl.vn at least partially shares name servers with other domains, including itesa.eu, kiltasali.fi, hardwareinchina.com, okwin7b.com and proteusreview.net.

These name servers are often used with lamar.ns.cloudflare.com and rustam.ns.cloudflare.com.

Host names with six IP numbers:

anton.ns.cloudflare.com points to 2606:4700:58::a29f:2caf, 2803:f800:50::6ca2:c3af, 2a06:98c1:50::ac40:23af, 108.162.195.175, 162.159.44.175 and 172.64.35.175.

romina.ns.cloudflare.com points to 2606:4700:50::a29f:269f, 2803:f800:50::6ca2:c29f, 2a06:98c1:50::ac40:229f, 108.162.194.159, 162.159.38.159 and 172.64.34.159.

Mail Servers

Three mail servers handle dbl.vn: mx1.onemail.vn, mx2.onemail.vn and mx3.onemail.vn.

dbl.vn shares at least some mail servers with other domains, for example phanmemtl.vn, thaloca.com, sohuutritue.vn, vuvuvn.vn and nprealty.vn.

These mail servers are often used together with the mail servers mx.inet.vn.

Host names with a single IP:

mx1.onemail.vn points to 103.216.116.14; mx2.onemail.vn points to 103.72.96.29; mx3.onemail.vn points to 103.56.162.10.

dbl.vn - robtex.com

dbl.vn

vn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`dbl.vn`

`vn`