btz.vn - robtex.com

btz.vn

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:c039🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:4450🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.68.80Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.57🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarmfazh.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
A2803:f800:50::6ca2:c368🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarmfazh.ns.cloudflare.com
A2a06:98c1:50::ac40:2368🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarmfazh.ns.cloudflare.com
A108.162.195.104🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
A162.159.44.104Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
A172.64.35.104🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
NSaspen.ns.cloudflare.com
A2606:4700:50::a29f:266d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
A2803:f800:50::6ca2:c26d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaspen.ns.cloudflare.com
A2a06:98c1:50::ac40:226d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaspen.ns.cloudflare.com
A108.162.194.109🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
A162.159.38.109Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
A172.64.34.109🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaspen.ns.cloudflare.com
MXmx1.larksuite.com ⭐
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx2.larksuite.com(5)
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx3.larksuite.com(10)
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
A101.126.58.223🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.230.154🇨🇳 CHINAMOBILE-CN122.14.224.0/20
TXTv=spf1 +include:spf.onlarksuite.com +include:_spf.mx.cloudflare.net -all
TXTverification-code-site-App_lark=aGt2pIYKVI3GmgBNdRSR
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.68.80, 172.67.192.57
IPv6 hints2606:4700:3035::ac43:c039, 2606:4700:3036::6815:4450
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOAarmfazh.ns.cloudflare.comdns@cloudflare.com serial=2403637801

vn

DNSSEC🔒 Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn
NSb.dns-servers.vn
NSc.dns-servers.vn
NSd.dns-servers.vn
NSe.dns-servers.vn
NSf.dns-servers.vn
NSg.dns-servers.vn
NSh.dns-servers.vn
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030759645
⚠️ On DNS blocklist: tif

Same first word

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btz.org.tr
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btz.one
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Similar names

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tbz.ch
ztb.fr
zbt.co.uk
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zbt.kapsi.fi
zbt.de
tbz.sa
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tbz.eu
zbt.pl
ztb.org
tzb.com
tzb.co
tbz.com.es
tzb.ru
ztb.co
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zbt.se
zbt.ca
bzt.jp
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ztb.kz
zbt.co
tzb.info
zbt.nl
zbt.uk
tbz.ca
ztb.ro
tbz.email
bzt.cn
bzt.ch
tzb.tv
ztb.de
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tbz.hu
bzt.com.tr
tbz.net
tzb.jp
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ztb.gov.tr
ztb.im
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ztb.be
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ztb.at
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ztb.ir
ztb.info
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tzb.it
tbz.co.jp
tzb.at
tbz.be
zbt.net
zbt.org
tzb.cm
bzt.me
zbt.dk
zbt.at
zbt.eu
bzt.at
bzt.org
tzb.nl
tbz.ir
bzt.com.br
ztb.me
zbt.by
zbt.ch
tzb.pl
bzt.be
bzt.cn.com
tzb.us
tzb.ch

DNS History

14 records (9 active, 5 former)

NSarmfazh.ns.cloudflare.comaspen.ns.cloudflare.comns-master.inet.vnns1.inet.vnns2.inet.vnns3.inet.vnMXmx1.larksuite.commx2.larksuite.commx3.larksuite.comA104.21.68.80172.67.192.572606:4700:3035::ac43:c0392606:4700:3036::6815:445077.37.71.60
●NSarmfazh.ns.cloudflare.com2026-05-11 → 2026-05-11 · 3 obs
○ 2026-05-07 06:16:36
● 2026-05-11 15:20:44
● 2026-05-11 15:20:48
●NSaspen.ns.cloudflare.com2026-05-11 → 2026-05-11 · 3 obs
○ 2026-05-07 06:16:36
● 2026-05-11 15:20:44
● 2026-05-11 15:20:48
○NSns-master.inet.vn2026-05-02 → 2026-05-07 · 4 obs
● 2026-05-02 09:18:46
● 2026-05-07 06:16:36
○ 2026-05-11 15:20:44
○ 2026-05-11 15:20:48
○NSns1.inet.vn2026-05-02 → 2026-05-07 · 4 obs
● 2026-05-02 09:18:46
● 2026-05-07 06:16:36
○ 2026-05-11 15:20:44
○ 2026-05-11 15:20:48
○NSns2.inet.vn2026-05-02 → 2026-05-07 · 4 obs
● 2026-05-02 09:18:46
● 2026-05-07 06:16:36
○ 2026-05-11 15:20:44
○ 2026-05-11 15:20:48
○NSns3.inet.vn2026-05-02 → 2026-05-07 · 4 obs
● 2026-05-02 09:18:46
● 2026-05-07 06:16:36
○ 2026-05-11 15:20:44
○ 2026-05-11 15:20:48
●MXmx1.larksuite.com2026-05-02 → 2026-05-11 · 2 obs
● 2026-05-02 09:18:46
● 2026-05-11 15:20:48
●MXmx2.larksuite.com2026-05-02 → 2026-05-11 · 2 obs
● 2026-05-02 09:18:46
● 2026-05-11 15:20:48
●MXmx3.larksuite.com2026-05-02 → 2026-05-11 · 2 obs
● 2026-05-02 09:18:46
● 2026-05-11 15:20:48
●A104.21.68.802026-05-11 → 2026-05-11 · 3 obs
○ 2026-05-07 06:16:36
● 2026-05-11 15:20:44
● 2026-05-11 15:20:48
●A172.67.192.572026-05-11 → 2026-05-11 · 3 obs
○ 2026-05-07 06:16:36
● 2026-05-11 15:20:44
● 2026-05-11 15:20:48
●A2606:4700:3035::ac43:c0392026-05-11 → 2026-05-11 · 3 obs
○ 2026-05-07 06:16:36
● 2026-05-11 15:20:44
● 2026-05-11 15:20:48
●A2606:4700:3036::6815:44502026-05-11 → 2026-05-11 · 3 obs
○ 2026-05-07 06:16:36
● 2026-05-11 15:20:44
● 2026-05-11 15:20:48
○A77.37.71.602026-05-02 → 2026-05-07 · 4 obs
● 2026-05-02 09:18:46
● 2026-05-07 06:16:36
○ 2026-05-11 15:20:44
○ 2026-05-11 15:20:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vng.dns-servers.vn, e.dns-servers.vn, c.dns-servers.vn, b.dns-servers.vn...-
btz.vnaspen.ns.cloudflare.com, armfazh.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.104

NS records: aspen.ns.cloudflare.com, armfazh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btz.vn (unsigned zone)

⏱️ Timing

Total: 1096ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.68.80, 172.67.192.57
AAAA22606:4700:3035::ac43:c039, 2606:4700:3036::6815:4450
NS2armfazh.ns.cloudflare.com, aspen.ns.cloudflare.com
MX3mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)...
TXT2v=spf1 +include:spf.onlarksuite.com +inc, verification-code-site-App_lark=aGt2pIYK
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1armfazh.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

btz.vn resolves to four IP numbers: 2606:4700:3035::ac43:c039, 2606:4700:3036::6815:4450, 104.21.68.80 and 172.67.192.57.

other host names for instance y48r.com.cdn.cloudflare.net, www.capy.com, cleantechsvc.com, funbox.si and a351c3.com share IP numbers with btz.vn.

Name Servers

btz.vn is delegated to two name servers: armfazh.ns.cloudflare.com and aspen.ns.cloudflare.com.

btz.vn shares the same name server setup as other domains, for example openappmkt.com, basrsyed.com, onlinecryptocasinosite.com, skyoak.com and paramuscardiology.com.

btz.vn at least partially shares name servers with other domains, for instance pawnbangers.com, towave.ru, smartip.net, jinluhui.net and taptico.com.

These name servers are commonly used with nash.ns.cloudflare.com, gordon.ns.cloudflare.com and nelly.ns.cloudflare.com.

Host names with six IP numbers:

armfazh.ns.cloudflare.com points to: 2606:4700:58::a29f:2c68, 2803:f800:50::6ca2:c368, 2a06:98c1:50::ac40:2368, 108.162.195.104, 162.159.44.104 and 172.64.35.104; aspen.ns.cloudflare.com points to: 2606:4700:50::a29f:266d, 2803:f800:50::6ca2:c26d, 2a06:98c1:50::ac40:226d, 108.162.194.109, 162.159.38.109 and 172.64.34.109.

Mail Servers

btz.vn is handled by three mail servers: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

btz.vn shares mail servers with other domains at least partially, including cherycar.co.uk, craveu.ai, tiny.vn, hdtravelvn.com and balsamedia.com.

Host names with three IPs: mx3.larksuite.com points to 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names with one IP: mx1.larksuite.com points to 18.139.153.173. mx2.larksuite.com points to 18.139.153.173.

Host names that point to 18.139.153.173: mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com.