`holabus.com.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d910^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2361^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.97^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.16^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aspen.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:266d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aspen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aspen.ns.cloudflare.com`
		A	108.162.194.109^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	162.159.38.109^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	172.64.34.109^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
NS	`roan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roan.ns.cloudflare.com`
		A	108.162.193.226^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	172.64.33.226^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	173.245.59.226^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
MX	`holabus-com-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=ms84025101`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.35.97, 172.67.217.16
		IPv6	2606:4700:3032::ac43:d910, 2606:4700:3037::6815:2361
SOA	`aspen.ns.cloudflare.com`dns@cloudflare.com serial=2399600881

`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=2022616276

Same first word

holabus.com

holabus.com.vn

Similar names

blohaus.com

bulaosh.com

alsuboh.com.sa

halobus.pl

blahous.com

hablous.com

shubaol.com

DNS History

11 records (7 active, 4 former)

●NSaspen.ns.cloudflare.com2026-03-15 → 2026-03-22 · 2 obs

● 2026-03-15 13:10:20
● 2026-03-22 15:48:12

●NSroan.ns.cloudflare.com2026-03-15 → 2026-03-22 · 2 obs

● 2026-03-15 13:10:20
● 2026-03-22 15:48:12

●MXholabus-com-vn.mail.protection.outlook.com2026-03-15 → 2026-03-22 · 2 obs

● 2026-03-15 13:10:20
● 2026-03-22 15:48:12

●A104.21.35.972026-03-15 → 2026-03-22 · 9 obs

● 2026-03-15 13:10:20
○ 2026-03-17 00:54:30
○ 2026-03-17 21:49:00
● 2026-03-19 01:38:44
○ 2026-03-19 03:51:24
○ 2026-03-19 14:01:34
● 2026-03-20 01:53:28
○ 2026-03-20 11:49:26
● 2026-03-22 15:48:12

●A172.67.217.162026-03-15 → 2026-03-22 · 9 obs

○A188.114.96.02026-03-17 → 2026-03-20 · 9 obs

○ 2026-03-15 13:10:20
● 2026-03-17 00:54:30
● 2026-03-17 21:49:00
○ 2026-03-19 01:38:44
● 2026-03-19 03:51:24
● 2026-03-19 14:01:34
○ 2026-03-20 01:53:28
● 2026-03-20 11:49:26
○ 2026-03-22 15:48:12

○A188.114.97.02026-03-17 → 2026-03-20 · 9 obs

●A2606:4700:3032::ac43:d9102026-03-15 → 2026-03-22 · 8 obs

● 2026-03-15 13:10:20
○ 2026-03-17 00:54:30
○ 2026-03-17 11:31:22
● 2026-03-17 21:49:00
● 2026-03-19 01:38:44
○ 2026-03-19 03:51:24
○ 2026-03-20 11:49:26
● 2026-03-22 15:48:12

●A2606:4700:3037::6815:23612026-03-15 → 2026-03-22 · 8 obs

● 2026-03-15 13:10:20
○ 2026-03-17 00:54:30
○ 2026-03-17 11:31:22
● 2026-03-17 21:49:00
● 2026-03-19 01:38:44
○ 2026-03-19 03:51:24
○ 2026-03-20 11:49:26
● 2026-03-22 15:48:12

○A2a06:98c1:3120::2026-03-17 → 2026-03-20 · 8 obs

○ 2026-03-15 13:10:20
● 2026-03-17 00:54:30
● 2026-03-17 11:31:22
○ 2026-03-17 21:49:00
○ 2026-03-19 01:38:44
● 2026-03-19 03:51:24
● 2026-03-20 11:49:26
○ 2026-03-22 15:48:12

○A2a06:98c1:3121::2026-03-17 → 2026-03-20 · 8 obs

○ 2026-03-15 13:10:20
● 2026-03-17 00:54:30
● 2026-03-17 11:31:22
○ 2026-03-17 21:49:00
○ 2026-03-19 01:38:44
● 2026-03-19 03:51:24
● 2026-03-20 11:49:26
○ 2026-03-22 15:48:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	f.dns-servers.vn, d.dns-servers.vn, h.dns-servers.vn, e.dns-servers.vn...	-
holabus.com.vn	aspen.ns.cloudflare.com, roan.ns.cloudflare.com	-

✅ Authoritative Response

Server: 173.245.59.226

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.217.16, 104.21.35.97`
AAAA	2	`2606:4700:3037::6815:2361, 2606:4700:3032::ac43:d910`
NS	2	`aspen.ns.cloudflare.com, roan.ns.cloudflare.com`
MX	1	`holabus-com-vn.mail.protection.outlook.c`
TXT	2	`MS=ms84025101, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aspen.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

holabus.com.vn resolves to four IPs: 2606:4700:3032::ac43:d910, 2606:4700:3037::6815:2361, 104.21.35.97 and 172.67.217.16.

Other host names such as redrosetraining.co.uk, leadtec.hk, mail.medime.ca, www.leadtec.hk and lcars.biz share IP numbers with holabus.com.vn.

Name Servers

holabus.com.vn is delegated to two name servers: aspen.ns.cloudflare.com and roan.ns.cloudflare.com.

holabus.com.vn uses the same name server setup as other domains, including blognhadat360.com, telegxqaz.ink, kemper.ch, lazadaaffiliatemyanmar.com and lazadabusinessmyanmar.com.

At least part of the name servers for holabus.com.vn are shared with other domains, for instance kasinos-friends.ru, waffle.host, debulevar.com, bosscompany.de and hds-bz.it.

These name servers are commonly used alongside nash.ns.cloudflare.com and gordon.ns.cloudflare.com.

Host names with six IP numbers:

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.

roan.ns.cloudflare.com points to: 2606:4700:58::adf5:3be2, 2803:f800:50::6ca2:c1e2, 2a06:98c1:50::ac40:21e2, 108.162.193.226, 172.64.33.226 and 173.245.59.226.

Mail Servers

The mail server for holabus.com.vn is holabus-com-vn.mail.protection.outlook.com.

Host name holabus-com-vn.mail.protection.outlook.com points to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

holabus.com.vn - robtex.com

holabus.com.vn

com.vn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`holabus.com.vn`

`com.vn`