🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cu-us.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:3381^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b49c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.129^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.156^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alla.ns.cloudflare.com`
		A	108.162.192.62^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	172.64.32.62^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	173.245.58.62^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
NS	`tony.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tony.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tony.ns.cloudflare.com`
		A	108.162.193.240^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	172.64.33.240^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
		A	173.245.59.240^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tony.ns.cloudflare.com`
MX	`loopback.rebel.com` ⭐
		A	127.0.0.1
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.129, 172.67.180.156
		IPv6 hints	2606:4700:3032::6815:3381, 2606:4700:3034::ac43:b49c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=103, name=cloudflare-ech.com
SOA	`alla.ns.cloudflare.com`dns@cloudflare.com serial=2410886448

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786883980

Same first word

cu-us.org

Similar names

uc-us.com

us-cu.org

DNS History

25 records (7 active, 18 former)

●NSalla.ns.cloudflare.com2026-05-21 → 2026-08-16 · 3 obs

○ 2017-05-16 03:41:28
● 2026-05-21 12:22:26
● 2026-08-16 12:46:34

○NSdns.rebel.com2016-09-24 → 2016-09-24 · 4 obs

○ 2016-04-10 14:48:22
● 2016-09-24 07:24:32
○ 2017-05-16 03:41:28
○ 2026-08-16 12:46:34

○NSdns1.registrar-servers.com2015-06-08 → 2016-04-10 · 4 obs

● 2015-06-08 12:15:32
● 2016-04-10 14:48:22
○ 2016-09-24 07:24:32
○ 2026-08-16 12:46:34

○NSdns2.rebel.com2016-09-24 → 2016-09-24 · 4 obs

○ 2016-04-10 14:48:22
● 2016-09-24 07:24:32
○ 2017-05-16 03:41:28
○ 2026-08-16 12:46:34

○NSdns2.registrar-servers.com2015-06-08 → 2016-04-10 · 4 obs

● 2015-06-08 12:15:32
● 2016-04-10 14:48:22
○ 2016-09-24 07:24:32
○ 2026-08-16 12:46:34

○NSdns3.registrar-servers.com2015-06-08 → 2016-04-10 · 4 obs

● 2015-06-08 12:15:32
● 2016-04-10 14:48:22
○ 2016-09-24 07:24:32
○ 2026-08-16 12:46:34

○NSdns4.registrar-servers.com2015-06-08 → 2016-04-10 · 4 obs

● 2015-06-08 12:15:32
● 2016-04-10 14:48:22
○ 2016-09-24 07:24:32
○ 2026-08-16 12:46:34

○NSdns5.registrar-servers.com2015-06-08 → 2016-04-10 · 4 obs

● 2015-06-08 12:15:32
● 2016-04-10 14:48:22
○ 2016-09-24 07:24:32
○ 2026-08-16 12:46:34

○NSns1.dnsowl.com2017-05-16 → 2017-05-16 · 4 obs

○ 2016-09-24 07:24:32
● 2017-05-16 03:41:28
○ 2026-05-21 12:22:26
○ 2026-08-16 12:46:34

○NSns2.dnsowl.com2017-05-16 → 2017-05-16 · 4 obs

○ 2016-09-24 07:24:32
● 2017-05-16 03:41:28
○ 2026-05-21 12:22:26
○ 2026-08-16 12:46:34

○NSns3.dnsowl.com2017-05-16 → 2017-05-16 · 4 obs

○ 2016-09-24 07:24:32
● 2017-05-16 03:41:28
○ 2026-05-21 12:22:26
○ 2026-08-16 12:46:34

●NStony.ns.cloudflare.com2026-05-21 → 2026-08-16 · 3 obs

○ 2017-05-16 03:41:28
● 2026-05-21 12:22:26
● 2026-08-16 12:46:34

●MXloopback.rebel.com2016-09-24 → 2026-08-16 · 2 obs

● 2016-09-24 07:24:32
● 2026-08-16 12:46:34

●A104.21.51.1292026-05-21 → 2026-08-16 · 6 obs

○ 2017-05-16 03:41:28
● 2026-05-21 12:22:26
● 2026-06-14 02:19:50
○ 2026-06-21 07:58:44
● 2026-08-06 07:08:30
● 2026-08-16 12:46:34

●A172.67.180.1562026-05-21 → 2026-08-16 · 6 obs

○ 2017-05-16 03:41:28
● 2026-05-21 12:22:26
● 2026-06-14 02:19:50
○ 2026-06-21 07:58:44
● 2026-08-06 07:08:30
● 2026-08-16 12:46:34

○A188.114.96.02026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-14 02:19:50
● 2026-06-21 07:58:44
○ 2026-08-06 07:08:30
○ 2026-08-16 12:46:34

○A188.114.97.02026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-14 02:19:50
● 2026-06-21 07:58:44
○ 2026-08-06 07:08:30
○ 2026-08-16 12:46:34

○A192.64.119.1252015-06-08 → 2016-04-10 · 4 obs

● 2015-06-08 12:15:32
● 2016-04-10 14:48:22
○ 2016-09-24 07:24:32
○ 2026-08-16 12:46:34

○A2606:4700:3030::ac43:b49c2026-05-21 → 2026-06-14 · 5 obs

○ 2017-05-16 03:41:28
● 2026-05-21 12:22:26
● 2026-06-14 02:19:50
○ 2026-06-21 07:58:44
○ 2026-08-16 12:46:34

●A2606:4700:3032::6815:33812026-08-06 → 2026-08-16 · 3 obs

○ 2026-06-21 07:58:44
● 2026-08-06 07:08:30
● 2026-08-16 12:46:34

●A2606:4700:3034::ac43:b49c2026-08-06 → 2026-08-16 · 3 obs

○ 2026-06-21 07:58:44
● 2026-08-06 07:08:30
● 2026-08-16 12:46:34

○A2606:4700:3037::6815:33812026-05-21 → 2026-06-14 · 5 obs

○ 2017-05-16 03:41:28
● 2026-05-21 12:22:26
● 2026-06-14 02:19:50
○ 2026-06-21 07:58:44
○ 2026-08-16 12:46:34

○A2a06:98c1:3120::2026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-14 02:19:50
● 2026-06-21 07:58:44
○ 2026-08-06 07:08:30
○ 2026-08-16 12:46:34

○A2a06:98c1:3121::2026-06-21 → 2026-06-21 · 4 obs

○ 2026-06-14 02:19:50
● 2026-06-21 07:58:44
○ 2026-08-06 07:08:30
○ 2026-08-16 12:46:34

○A54.208.21.1172016-09-24 → 2017-05-16 · 5 obs

○ 2016-04-10 14:48:22
● 2016-09-24 07:24:32
● 2017-05-16 03:41:28
○ 2026-05-21 12:22:26
○ 2026-08-16 12:46:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
cu-us.org	tony.ns.cloudflare.com, alla.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.62

NS records: tony.ns.cloudflare.com, alla.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu-us.org (unsigned zone)

⏱️ Timing

Total: 456ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.180.156, 104.21.51.129`
AAAA	2	`2606:4700:3032::6815:3381, 2606:4700:3034::ac43:b49c`
NS	2	`alla.ns.cloudflare.com, tony.ns.cloudflare.com`
MX	1	`loopback.rebel.com (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alla.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

cu-us.org directs to four IP numbers, which are 104.21.51.129, 172.67.180.156, 2606:4700:3032::6815:3381 and 2606:4700:3034::ac43:b49c.

Among the host names that share IP numbers with cu-us.org are terra2025consulting.buzz, www.dddongsheng.com, mazen.ws and two others.

Name Servers

cu-us.org uses two name servers for its delegation: alla.ns.cloudflare.com and tony.ns.cloudflare.com.

cu-us.org has the same name server delegation as a number of other domains, such as nc.sa, jucky.my.id, spejderhjaelpen.dk and two more.

At least some of cu-us.org's name servers are shared with other domains, for example insurancecorp.doctor, vioricacosmetic.ro, pdf3jvo.com and two more.

These name servers tend to be used in conjunction with the name servers samara.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname alla.ns.cloudflare.com directs to 108.162.192.62, 172.64.32.62 and 173.245.58.62 along with 3 other IP addresses.

Hostname tony.ns.cloudflare.com directs to 108.162.193.240, 172.64.33.240 and 173.245.59.240 along with 3 other IP addresses.

Mail Servers

cu-us.org routes its mail through a single mail server, loopback.rebel.com.

cu-us.org has the same mail server arrangement as a number of other domains, for example steamyadultstories.com, verkkokauppa.directory, basicmission.com and two more.

loopback.rebel.com directs to just one IP number, 127.0.0.1.

cu-us.org - robtex.com

cu-us.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`cu-us.org`

`org`