`dev4fun.vn`

DNSSEC	⚠️ Not signed
A	103.149.253.48^{🇻🇳 DVS-AS-VN103.149.252.0/23 AI-SOL-VN AI-SOL-VN}
NS	`bill.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bill.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bill.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bill.ns.cloudflare.com`
		A	108.162.193.74^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bill.ns.cloudflare.com`
		A	172.64.33.74^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bill.ns.cloudflare.com`
		A	173.245.59.74^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bill.ns.cloudflare.com`
NS	`carlane.ns.cloudflare.com`
		A	2606:4700:50::a29f:2619^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c219^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carlane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2219^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carlane.ns.cloudflare.com`
		A	108.162.194.25^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	162.159.38.25^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	172.64.34.25^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁷⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`apple-domain=EOn2NMfurElyv4sq`
TXT	`google-site-verification=OfiYl5b102tMdWKlnJuKZdqb4jEgQApgtUU4bedDqj4`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`bill.ns.cloudflare.com`dns@cloudflare.com serial=2410263436

`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 2031-03-03 #75

Subdomains

apicms.dev4fun.vn

Same first word

dev4fun.vn

dev4fun.ru

DNS History

8 records (6 active, 2 former)

●NSbill.ns.cloudflare.com2026-05-01 → 2026-07-23 · 2 obs

● 2026-05-01 09:27:52
● 2026-07-23 13:49:40

●NScarlane.ns.cloudflare.com2026-05-01 → 2026-07-23 · 2 obs

● 2026-05-01 09:27:52
● 2026-07-23 13:49:40

○MXmx01.mail.icloud.com2026-05-01 → 2026-05-01 · 3 obs

● 2026-05-01 09:27:52
○ 2026-06-22 23:09:00
○ 2026-07-23 13:49:40

○MXmx02.mail.icloud.com2026-05-01 → 2026-05-01 · 3 obs

● 2026-05-01 09:27:52
○ 2026-06-22 23:09:00
○ 2026-07-23 13:49:40

●MXroute1.mx.cloudflare.net2026-06-22 → 2026-07-23 · 3 obs

○ 2026-05-01 09:27:52
● 2026-06-22 23:09:00
● 2026-07-23 13:49:40

●MXroute2.mx.cloudflare.net2026-06-22 → 2026-07-23 · 3 obs

○ 2026-05-01 09:27:52
● 2026-06-22 23:09:00
● 2026-07-23 13:49:40

●MXroute3.mx.cloudflare.net2026-06-22 → 2026-07-23 · 3 obs

○ 2026-05-01 09:27:52
● 2026-06-22 23:09:00
● 2026-07-23 13:49:40

●A103.149.253.482026-05-01 → 2026-07-23 · 2 obs

● 2026-05-01 09:27:52
● 2026-07-23 13:49:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
dev4fun.vn	bill.ns.cloudflare.com, carlane.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.25

NS records: bill.ns.cloudflare.com, carlane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dev4fun.vn (unsigned zone)

⏱️ Timing

Total: 1305ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.149.253.48`
NS	2	`bill.ns.cloudflare.com, carlane.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 64), route2.mx.cloudflare.net (pri: 74)...`
TXT	3	`apple-domain=EOn2NMfurElyv4sq, google-site-verification=OfiYl5b102tMdWK...`
SOA	1	`bill.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

dev4fun.vn serves as the parent of apicms.dev4fun.vn.

IP Addresses

dev4fun.vn points to a single IP number: 103.149.253.48.

There are other host names — apicms.dev4fun.vn among them — that share IP numbers with dev4fun.vn.

Name Servers

DNS delegation for dev4fun.vn points to two name servers: bill.ns.cloudflare.com and carlane.ns.cloudflare.com.

dev4fun.vn shares its name server setup with other domains, including nabuhiko.kiev.ua, hugkbld.garden, fbtwda.life and two others.

dev4fun.vn has at least partial name server overlap with other domains, such as likeafishinwater.com, everydayenchantments.com, kdvtimboektoe.nl and two others.

It is common to find these name servers paired with the name servers love.ns.cloudflare.com.

Host names with 6 IP numbers:

bill.ns.cloudflare.com has IP addresses 108.162.193.74, 172.64.33.74 and 173.245.59.74, plus 3 other.

carlane.ns.cloudflare.com has IP addresses 108.162.194.25, 162.159.38.25 and 172.64.34.25, plus 3 other.

Mail Servers

dev4fun.vn has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

dev4fun.vn shares mail servers — at least in part — with other domains, including siebland.com, wellvasa.com, teknolojihaber.net and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net has IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, plus 3 other.

route2.mx.cloudflare.net has IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, plus 3 other.

route3.mx.cloudflare.net has IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, plus 3 other.

dev4fun.vn - robtex.com

dev4fun.vn

vn

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`dev4fun.vn`

`vn`