b.com.edu.vn - robtex.com
b.com.edu.vn
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3035::6815:e5eπΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:9e8dπΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.14.94Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.158.141πΊπΈ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| MX | route2.mx.cloudflare.net β | ||||||
| A | 2606:4700:f5::eπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::fπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10πΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| MX | route1.mx.cloudflare.net(47) | ||||||
| A | 2606:4700:f5::bπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::cπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::dπΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| MX | route3.mx.cloudflare.net(81) | ||||||
| A | 2606:4700:f5::11πΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12πΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13πΊπΈ Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.14.94, 172.67.158.141 | ||||||
| IPv6 hints | 2606:4700:3035::6815:e5e, 2606:4700:3035::ac43:9e8d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com | ||||||
com.edu.vn
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3035::6815:e5eπΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:9e8dπΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.14.94Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.158.141πΊπΈ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | cleo.ns.cloudflare.com β | ||||||
| NS | daphne.ns.cloudflare.com | ||||||
| MX | route2.mx.cloudflare.net β | ||||||
| MX | route1.mx.cloudflare.net(47) | ||||||
| MX | route3.mx.cloudflare.net(81) | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.14.94, 172.67.158.141 | ||||||
| IPv6 hints | 2606:4700:3035::6815:e5e, 2606:4700:3035::ac43:9e8d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com | ||||||
| SOA | cleo.ns.cloudflare.comdns@cloudflare.com serial=2402874254 | ||||||
WOT: SAFE (19/100)
Same first word
DNS History
7 records (7 active, 0 former)
βMXroute1.mx.cloudflare.net2026-04-30 β 2026-05-11 Β· 2 obs
β 2026-05-11 01:08:04
βMXroute2.mx.cloudflare.net2026-04-30 β 2026-05-11 Β· 2 obs
β 2026-05-11 01:08:04
βMXroute3.mx.cloudflare.net2026-04-30 β 2026-05-11 Β· 2 obs
β 2026-05-11 01:08:04
βA104.21.14.942026-04-30 β 2026-05-11 Β· 2 obs
β 2026-05-11 01:08:04
βA172.67.158.1412026-04-30 β 2026-05-11 Β· 2 obs
β 2026-05-11 01:08:04
βA2606:4700:3035::6815:e5e2026-04-30 β 2026-05-11 Β· 2 obs
β 2026-05-11 01:08:04
βA2606:4700:3035::ac43:9e8d2026-04-30 β 2026-05-11 Β· 2 obs
β 2026-05-11 01:08:04
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| com.edu.vn | daphne.ns.cloudflare.com, cleo.ns.cloudflare.com | - |
β Authoritative Response
Server:162.159.38.169
NS records: daphne.ns.cloudflare.com, cleo.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for com.edu.vn (unsigned zone)
β±οΈ Timing
Total: 1546ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.14.94, 172.67.158.141 |
| AAAA | 2 | 2606:4700:3035::6815:e5e, 2606:4700:3035::ac43:9e8d |
| MX | 3 | route2.mx.cloudflare.net (pri: 32), route1.mx.cloudflare.net (pri: 47)... |
| TXT | 1 | v=spf1 include:_spf.mx.cloudflare.net ~a |
| HTTPS | 1 | {"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