`kbtech.com.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a21d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:a11^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.17^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.162.29^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`delilah.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2663^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c263^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`delilah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2263^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`delilah.ns.cloudflare.com`
		A	108.162.194.99^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
		A	162.159.38.99^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
		A	172.64.34.99^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`delilah.ns.cloudflare.com`
NS	`yew.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c50^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c350^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yew.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2350^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yew.ns.cloudflare.com`
		A	108.162.195.80^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	162.159.44.80^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
		A	172.64.35.80^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yew.ns.cloudflare.com`
MX	`_dc-mx.6fe8ef11ee34.kbtech.com.vn` ⭐
		A	103.74.120.37^{🇻🇳 BKNS-AS-VN103.74.120.0/23 BKNS-VN}
TXT	`"google-site-verification=Ci_OjjxwW1YdZCtF54z9TiDJYMMDDNXOCAOIHtQK1Ko"`
TXT	`google-site-verification=Ci_OjjxwW1YdZCtF54z9TiDJYMMDDNXOCAOIHtQK1Ko`
TXT	`v=spf1 include:_spf.bkns.com.vn ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.17, 172.67.162.29
		IPv6 hints	2606:4700:3031::ac43:a21d, 2606:4700:3037::6815:a11
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com
SOA	`delilah.ns.cloudflare.com`dns@cloudflare.com serial=2406664420

`com.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2022807819

Subdomains

www.kbtech.com.vn

Same first word

kbtech.com.pk

kbtech.co.uk

kbtech.us

kbtech.com

kbtech.com.au

kbtech.net

kbtech.co.kr

kbtech.com.vn

kbtech.org

kbtech.com.cn

kbtech.vn

Similar names

bktech.it

bktech.com.cn

bktech.cz

bktech.com.br

techkb.com

bktech.cn

thbeck.net

thecbk.net

techkb.info

btechk.nl

kbetch.com

hkbtec.com

theckb.com

bktech.pl

bktech.kz

bktech.ro

thecbk.com

bktech.co

bhteck.com

kcbeth.com

thekbc.com

bktech.synology.me

bktech.ac.th

thbeck.de

bktech.org

bktech.net

bktech.sk

techkb.onl

thekcb.com

bktech.de

thbeck.eu

thbeck.com

bktech.ru

bktech.vn

thebkc.com

bktech.com.vn

techbk.com

chbtek.com

DNS History

9 records (7 active, 2 former)

●NSdelilah.ns.cloudflare.com2026-05-01 → 2026-07-16 · 5 obs

● 2026-05-01 12:30:38
● 2026-05-18 08:20:20
○ 2026-05-22 05:00:04
● 2026-06-01 05:15:22
● 2026-07-16 11:02:30

●NSyew.ns.cloudflare.com2026-05-01 → 2026-07-16 · 5 obs

● 2026-05-01 12:30:38
● 2026-05-18 08:20:20
○ 2026-05-22 05:00:04
● 2026-06-01 05:15:22
● 2026-07-16 11:02:30

●MX_dc-mx.6fe8ef11ee34.kbtech.com.vn2026-05-01 → 2026-07-16 · 5 obs

● 2026-05-01 12:30:38
● 2026-05-18 08:20:20
○ 2026-05-22 05:00:04
● 2026-06-01 05:15:22
● 2026-07-16 11:02:30

●A104.21.10.172026-05-01 → 2026-07-16 · 5 obs

● 2026-05-01 12:30:38
● 2026-05-18 08:20:20
○ 2026-05-22 05:00:04
● 2026-06-01 05:15:22
● 2026-07-16 11:02:30

●A172.67.162.292026-05-01 → 2026-07-16 · 5 obs

● 2026-05-01 12:30:38
● 2026-05-18 08:20:20
○ 2026-05-22 05:00:04
● 2026-06-01 05:15:22
● 2026-07-16 11:02:30

○A2606:4700:3031::6815:a112026-05-01 → 2026-06-01 · 6 obs

● 2026-05-01 12:30:38
● 2026-05-18 08:20:20
○ 2026-05-22 05:00:04
● 2026-06-01 05:15:22
○ 2026-07-02 10:26:56
○ 2026-07-16 11:02:30

●A2606:4700:3031::ac43:a21d2026-07-02 → 2026-07-16 · 3 obs

○ 2026-06-01 05:15:22
● 2026-07-02 10:26:56
● 2026-07-16 11:02:30

●A2606:4700:3037::6815:a112026-07-02 → 2026-07-16 · 3 obs

○ 2026-06-01 05:15:22
● 2026-07-02 10:26:56
● 2026-07-16 11:02:30

○A2606:4700:3037::ac43:a21d2026-05-01 → 2026-06-01 · 6 obs

● 2026-05-01 12:30:38
● 2026-05-18 08:20:20
○ 2026-05-22 05:00:04
● 2026-06-01 05:15:22
○ 2026-07-02 10:26:56
○ 2026-07-16 11:02:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	h.dns-servers.vn, g.dns-servers.vn, d.dns-servers.vn, c.dns-servers.vn...	-
kbtech.com.vn	delilah.ns.cloudflare.com, yew.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.80

NS records: delilah.ns.cloudflare.com, yew.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kbtech.com.vn (unsigned zone)

⏱️ Timing

Total: 1211ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.10.17, 172.67.162.29`
AAAA	2	`2606:4700:3031::ac43:a21d, 2606:4700:3037::6815:a11`
NS	2	`delilah.ns.cloudflare.com, yew.ns.cloudflare.com`
MX	1	`_dc-mx.6fe8ef11ee34.kbtech.com.vn (pri:`
TXT	3	`"google-site-verification=Ci_OjjxwW, google-site-verification=Ci_OjjxwW1YdZCt...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`delilah.ns.cloudflare.com dns.cloudflare`

Analysis

Hierarchy

kbtech.com.vn serves as the parent of www.kbtech.com.vn.

IP Addresses

kbtech.com.vn has four IP addresses: 104.21.10.17, 172.67.162.29, 2606:4700:3031::ac43:a21d and 2606:4700:3037::6815:a11.

www.mediafires.co, line077.rawit128b.com, www.simkreasi.usn.ac.id and two other host names share IP numbers with kbtech.com.vn.

Name Servers

DNS delegation for kbtech.com.vn points to two name servers: delilah.ns.cloudflare.com and yew.ns.cloudflare.com.

kbtech.com.vn has at least partial name server overlap with other domains, such as castelli-italtec.com, orbisearch.com, ktimamartidi.gr and two others.

These name servers tend to appear together with the name servers hank.ns.cloudflare.com, julissa.ns.cloudflare.com and damon.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

delilah.ns.cloudflare.com has IP addresses 108.162.194.99, 162.159.38.99 and 172.64.34.99, plus 3 other.

yew.ns.cloudflare.com has IP addresses 108.162.195.80, 162.159.44.80 and 172.64.35.80, plus 3 other.

Mail Servers

Mail for kbtech.com.vn is handled by a single mail server, _dc-mx.6fe8ef11ee34.kbtech.com.vn.

_dc-mx.6fe8ef11ee34.kbtech.com.vn has exactly one IP number: 103.74.120.37.

kbtech.com.vn - robtex.com

kbtech.com.vn

com.vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`kbtech.com.vn`

`com.vn`