b.com.edu.vn - robtex.com

b.com.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:e5eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3035::ac43:9e8dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.14.94Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.158.141πŸ‡ΊπŸ‡Έ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
MXroute2.mx.cloudflare.net ⭐
A2606:4700:f5::eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute1.mx.cloudflare.net(47)
A2606:4700:f5::bπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute3.mx.cloudflare.net(81)
A2606:4700:f5::11πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.14.94, 172.67.158.141
IPv6 hints2606:4700:3035::6815:e5e, 2606:4700:3035::ac43:9e8d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com

com.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:e5eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3035::ac43:9e8dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.14.94Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.158.141πŸ‡ΊπŸ‡Έ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NScleo.ns.cloudflare.com ⭐
NSdaphne.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
MXroute1.mx.cloudflare.net(47)
MXroute3.mx.cloudflare.net(81)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.14.94, 172.67.158.141
IPv6 hints2606:4700:3035::6815:e5e, 2606:4700:3035::ac43:9e8d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com
SOAcleo.ns.cloudflare.comdns@cloudflare.com serial=2402874254
WOT: SAFE (50/100)
WOT: SAFE (19/100)

Same first word

DNS History

7 records (7 active, 0 former)

MXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.14.94172.67.158.1412606:4700:3035::6815:e5e2606:4700:3035::ac43:9e8d
●MXroute1.mx.cloudflare.net2026-04-30 β†’ 2026-05-11 Β· 2 obs
● 2026-04-30 19:44:12
● 2026-05-11 01:08:04
●MXroute2.mx.cloudflare.net2026-04-30 β†’ 2026-05-11 Β· 2 obs
● 2026-04-30 19:44:12
● 2026-05-11 01:08:04
●MXroute3.mx.cloudflare.net2026-04-30 β†’ 2026-05-11 Β· 2 obs
● 2026-04-30 19:44:12
● 2026-05-11 01:08:04
●A104.21.14.942026-04-30 β†’ 2026-05-11 Β· 2 obs
● 2026-04-30 19:44:12
● 2026-05-11 01:08:04
●A172.67.158.1412026-04-30 β†’ 2026-05-11 Β· 2 obs
● 2026-04-30 19:44:12
● 2026-05-11 01:08:04
●A2606:4700:3035::6815:e5e2026-04-30 β†’ 2026-05-11 Β· 2 obs
● 2026-04-30 19:44:12
● 2026-05-11 01:08:04
●A2606:4700:3035::ac43:9e8d2026-04-30 β†’ 2026-05-11 Β· 2 obs
● 2026-04-30 19:44:12
● 2026-05-11 01:08:04

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...-
com.edu.vndaphne.ns.cloudflare.com, cleo.ns.cloudflare.com-

βœ… Authoritative Response

Server:162.159.38.169

NS records: daphne.ns.cloudflare.com, cleo.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1546ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.14.94, 172.67.158.141
AAAA22606:4700:3035::6815:e5e, 2606:4700:3035::ac43:9e8d
MX3route2.mx.cloudflare.net (pri: 32), route1.mx.cloudflare.net (pri: 47)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

b.com.edu.vn refers to four IP numbers: 2606:4700:3035::6815:e5e, 2606:4700:3035::ac43:9e8d, 104.21.14.94 and 172.67.158.141.

Other host names, for instance zone-telechargement.live, ivantalk.com, mx.thcshoangtien.com.edu.vn, www.angkorsecrets.com and gachoptuong.com.edu.vn share IP numbers with b.com.edu.vn.

Mail Servers

Three mail servers handle b.com.edu.vn: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

b.com.edu.vn shares at least some mail servers with other domains, for example allphaseconstruction.org, oxa.su, pommie-(0x62617374617264).net, bloodbook.com and masters-coop.com.

Host names with six IP numbers:

route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25