`cbui.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5393^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b173^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.147^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.115^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`art.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c166^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`art.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2166^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`art.ns.cloudflare.com`
		A	108.162.193.102^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	172.64.33.102^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	173.245.59.102^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
NS	`zoe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c095^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zoe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2095^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zoe.ns.cloudflare.com`
		A	108.162.192.149^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	172.64.32.149^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	173.245.58.149^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`google-site-verification=APbhSjlvYafiywCXaZWzyDOqxFiBRSpXn4HPgi-pupI`
TXT	`google-site-verification=hfScczrGPHpkjy-q9OMYeB-WyBNss-EoO_w-vZbmFg0`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.147, 172.67.177.115
		IPv6 hints	2606:4700:3031::6815:5393, 2606:4700:3034::ac43:b173
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=13, name=cloudflare-ech.com
SOA	`art.ns.cloudflare.com`dns@cloudflare.com serial=2408938213

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

cbui.dev

cbui.it

Similar names

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DNS History

14 records (8 active, 6 former)

●NSart.ns.cloudflare.com2026-02-18 → 2026-08-13 · 2 obs

● 2026-02-18 01:32:42
● 2026-08-13 23:14:30

●NSzoe.ns.cloudflare.com2026-02-18 → 2026-08-13 · 2 obs

● 2026-02-18 01:32:42
● 2026-08-13 23:14:30

●MXin1-smtp.messagingengine.com2026-02-18 → 2026-08-13 · 2 obs

● 2026-02-18 01:32:42
● 2026-08-13 23:14:30

●MXin2-smtp.messagingengine.com2026-02-18 → 2026-08-13 · 2 obs

● 2026-02-18 01:32:42
● 2026-08-13 23:14:30

●A104.21.83.1472026-02-18 → 2026-08-13 · 9 obs

● 2026-02-18 01:32:42
● 2026-05-01 11:43:08
○ 2026-05-05 04:59:52
○ 2026-05-12 13:02:30
● 2026-05-12 13:48:08
● 2026-06-15 08:38:36
○ 2026-06-21 04:27:48
● 2026-06-30 02:32:26
● 2026-08-13 23:14:30

●A172.67.177.1152026-02-18 → 2026-08-13 · 9 obs

○A188.114.96.02026-05-05 → 2026-06-21 · 8 obs

○ 2026-05-01 11:43:08
● 2026-05-05 04:59:52
● 2026-05-12 13:02:30
○ 2026-05-12 13:48:08
○ 2026-06-15 08:38:36
● 2026-06-21 04:27:48
○ 2026-06-30 02:32:26
○ 2026-08-13 23:14:30

○A188.114.97.02026-05-05 → 2026-06-21 · 8 obs

○ 2026-05-01 11:43:08
● 2026-05-05 04:59:52
● 2026-05-12 13:02:30
○ 2026-05-12 13:48:08
○ 2026-06-15 08:38:36
● 2026-06-21 04:27:48
○ 2026-06-30 02:32:26
○ 2026-08-13 23:14:30

●A2606:4700:3031::6815:53932026-06-30 → 2026-08-13 · 3 obs

○ 2026-06-21 04:27:48
● 2026-06-30 02:32:26
● 2026-08-13 23:14:30

○A2606:4700:3033::6815:53932026-02-18 → 2026-06-15 · 8 obs

● 2026-02-18 01:32:42
● 2026-05-01 11:43:08
○ 2026-05-05 04:59:52
○ 2026-05-12 13:02:30
● 2026-05-12 13:48:08
● 2026-06-15 08:38:36
○ 2026-06-21 04:27:48
○ 2026-08-13 23:14:30

●A2606:4700:3034::ac43:b1732026-06-30 → 2026-08-13 · 3 obs

○ 2026-06-21 04:27:48
● 2026-06-30 02:32:26
● 2026-08-13 23:14:30

○A2606:4700:3036::ac43:b1732026-02-18 → 2026-06-15 · 8 obs

● 2026-02-18 01:32:42
● 2026-05-01 11:43:08
○ 2026-05-05 04:59:52
○ 2026-05-12 13:02:30
● 2026-05-12 13:48:08
● 2026-06-15 08:38:36
○ 2026-06-21 04:27:48
○ 2026-08-13 23:14:30

○A2a06:98c1:3120::2026-05-05 → 2026-06-21 · 8 obs

○ 2026-05-01 11:43:08
● 2026-05-05 04:59:52
● 2026-05-12 13:02:30
○ 2026-05-12 13:48:08
○ 2026-06-15 08:38:36
● 2026-06-21 04:27:48
○ 2026-06-30 02:32:26
○ 2026-08-13 23:14:30

○A2a06:98c1:3121::2026-05-05 → 2026-06-21 · 8 obs

○ 2026-05-01 11:43:08
● 2026-05-05 04:59:52
● 2026-05-12 13:02:30
○ 2026-05-12 13:48:08
○ 2026-06-15 08:38:36
● 2026-06-21 04:27:48
○ 2026-06-30 02:32:26
○ 2026-08-13 23:14:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
cbui.dev	art.ns.cloudflare.com, zoe.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.149

NS records: art.ns.cloudflare.com, zoe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cbui.dev (unsigned zone)

⏱️ Timing

Total: 526ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.177.115, 104.21.83.147`
AAAA	2	`2606:4700:3031::6815:5393, 2606:4700:3034::ac43:b173`
NS	2	`art.ns.cloudflare.com, zoe.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	3	`google-site-verification=APbhSjlvYafiywC, google-site-verification=hfScczrGPHpkjy-...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`art.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

cbui.dev points to the four IP addresses 104.21.83.147, 172.67.177.115, 2606:4700:3031::6815:5393 and 2606:4700:3034::ac43:b173.

Among the host names that share IP numbers with cbui.dev are otaipos.com, agiaanna-hotel-naxos.com, efkar-basti.com and two others.

Name Servers

cbui.dev has two authoritative name servers — art.ns.cloudflare.com and zoe.ns.cloudflare.com.

cbui.dev has the same name server delegation as a number of other domains, such as digautomazionisrl.com, leadershipcoach.in, infoproductalchemy.com and two more.

The name servers of cbui.dev overlap at least partially with those of other domains — among them abovecrypto.com, picturesfeedo.com, reliabledamagerestoration.com and two more.

These name servers commonly appear in combination with the name servers aiden.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

art.ns.cloudflare.com points to 108.162.193.102, 172.64.33.102, 173.245.59.102 and 3 other IP addresses.

zoe.ns.cloudflare.com points to 108.162.192.149, 172.64.32.149, 173.245.58.149 and 3 other IP addresses.

Mail Servers

The MX records for cbui.dev point to two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

cbui.dev has the same mail server arrangement as a number of other domains, for example mjrusso.com, hfdublin.ie, emotieloos.com and two more.

Host names resolving to 8 IP numbers:

in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Hosts pointing to four IP addresses:

in2-smtp.messagingengine.com resolves to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

cbui.dev - robtex.com

cbui.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`cbui.dev`

`dev`