`fentech.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:400e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:ae19^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.14^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.25^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`abdullah.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ccb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abdullah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3cb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`abdullah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23cb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`abdullah.ns.cloudflare.com`
		A	108.162.195.203^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abdullah.ns.cloudflare.com`
		A	162.159.44.203^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abdullah.ns.cloudflare.com`
		A	172.64.35.203^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abdullah.ns.cloudflare.com`
NS	`thea.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thea.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thea.ns.cloudflare.com`
		A	108.162.194.247^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	162.159.38.247^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	172.64.34.247^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
MX	`fentech-vn.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`MS=ms72926969`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.14, 172.67.174.25
		IPv6 hints	2606:4700:3035::6815:400e, 2606:4700:3036::ac43:ae19
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=180, name=cloudflare-ech.com
SOA	`abdullah.ns.cloudflare.com`dns@cloudflare.com serial=2406318952

`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=2031002098

Subdomains

www.fentech.vn

Same first word

fentech.com.cn

fentech.ru

fentech.com

fentech.com.br

fentech.vn

fentech.com.pl

fentech.ch

fentech.org

Similar names

netchef.me

chefnet.de

tefchen.de

fechten.at

chefnet.com.br

neftech.ru

chefnet.com

fetchen.com

fechten.com

netchef.co.nz

netchef.de

chefnet.ca

enftech.com

chefnet.net

fechten.org

chefnet.org

fechten.ch

neftech.com

netchef.com.au

fechnet.de

chefnet.in

nfetech.com

thenefc.com

fechten.dk

fechten.net

DNS History

8 records (7 active, 1 former)

●NSabdullah.ns.cloudflare.com2026-05-01 → 2026-07-16 · 2 obs

● 2026-05-01 12:42:00
● 2026-07-16 01:48:02

●NSthea.ns.cloudflare.com2026-05-01 → 2026-07-16 · 2 obs

● 2026-05-01 12:42:00
● 2026-07-16 01:48:02

●MXfentech-vn.mail.protection.outlook.com2026-05-01 → 2026-07-16 · 2 obs

● 2026-05-01 12:42:00
● 2026-07-16 01:48:02

●A104.21.64.142026-05-01 → 2026-07-16 · 2 obs

● 2026-05-01 12:42:00
● 2026-07-16 01:48:02

●A172.67.174.252026-05-01 → 2026-07-16 · 2 obs

● 2026-05-01 12:42:00
● 2026-07-16 01:48:02

○A2606:4700:3031::ac43:ae192026-05-01 → 2026-05-23 · 4 obs

● 2026-05-01 12:42:00
● 2026-05-23 05:58:30
○ 2026-06-24 13:06:34
○ 2026-07-16 01:48:02

●A2606:4700:3035::6815:400e2026-05-01 → 2026-07-16 · 2 obs

● 2026-05-01 12:42:00
● 2026-07-16 01:48:02

●A2606:4700:3036::ac43:ae192026-06-24 → 2026-07-16 · 3 obs

○ 2026-05-23 05:58:30
● 2026-06-24 13:06:34
● 2026-07-16 01:48:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	h.dns-servers.vn, f.dns-servers.vn, b.dns-servers.vn, g.dns-servers.vn...	16 records
fentech.vn	abdullah.ns.cloudflare.com, thea.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.203

NS records: abdullah.ns.cloudflare.com, thea.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fentech.vn (unsigned zone)

⏱️ Timing

Total: 789ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.64.14, 172.67.174.25`
AAAA	2	`2606:4700:3036::ac43:ae19, 2606:4700:3035::6815:400e`
NS	2	`abdullah.ns.cloudflare.com, thea.ns.cloudflare.com`
MX	1	`fentech-vn.mail.protection.outlook.com (`
TXT	2	`MS=ms72926969, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`abdullah.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 16

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

Analysis

Hierarchy

fentech.vn is a parent domain of www.fentech.vn.

IP Addresses

fentech.vn resolves to four IP addresses: 104.21.64.14, 172.67.174.25, 2606:4700:3035::6815:400e and 2606:4700:3036::ac43:ae19.

Two other host names, along with rm7t9.biz, ru.celeb(0x666170)per.com and tlanga.life, also share IP numbers with fentech.vn.

Name Servers

DNS delegation for fentech.vn points to two name servers: abdullah.ns.cloudflare.com and thea.ns.cloudflare.com.

fentech.vn shares its NS records with other domains, for example jonika.lv, zielonagospodarka.pl, fansion.net and two others.

fentech.vn shares at least some of its name servers with other domains, including factor-y.net, santana4d.com, retzspire.com and two others.

These name servers are frequently seen alongside aleena.ns.cloudflare.com, matias.ns.cloudflare.com, dorthy.ns.cloudflare.com and 3 other name servers.

DNS names with 6 IP addresses:

abdullah.ns.cloudflare.com has IP addresses 108.162.195.203, 162.159.44.203 and 172.64.35.203, plus 3 other.

thea.ns.cloudflare.com has IP addresses 108.162.194.247, 162.159.38.247 and 172.64.34.247, plus 3 other.

Mail Servers

The sole mail server for fentech.vn is fentech-vn.mail.protection.outlook.com.

With 6 IP addresses total, fentech-vn.mail.protection.outlook.com resolves to 52.101.124.117, 52.101.137.0, 52.101.157.80 and 3 others.

fentech.vn - robtex.com

fentech.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

`fentech.vn`

`vn`