`u444.us`

DNSSEC	⚠️ Not signed
A	13.33.109.16^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
		PTR	`server-13-33-109-16.bos50.r.cloudfront.net`
A	13.33.109.47^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.85^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.99^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
NS	`ns-270.awsdns-33.com` ⭐
		A	2600:9000:5301:e00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-270.awsdns-33.com`
		A	205.251.193.14^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-270.awsdns-33.com`
NS	`ns-1245.awsdns-27.org`
		A	2600:9000:5304:dd00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1245.awsdns-27.org`
		A	205.251.196.221^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1245.awsdns-27.org`
NS	`ns-1588.awsdns-06.co.uk`
		A	2600:9000:5306:3400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1588.awsdns-06.co.uk`
		A	205.251.198.52^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1588.awsdns-06.co.uk`
NS	`ns-628.awsdns-14.net`
		A	2600:9000:5302:7400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-628.awsdns-14.net`
		A	205.251.194.116^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-628.awsdns-14.net`
SOA	`ns-270.awsdns-33.com`awsdns-hostmaster@amazon.com serial=1

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1777429662

⚠️ On DNS blocklist: tif

Same first word

u444.us

Similar names

444u.cn

4u44.com

DNS History

32 records (8 active, 24 former)

●NSns-1245.awsdns-27.org2026-03-23 → 2026-04-29 · 2 obs

● 2026-03-23 20:19:24
● 2026-04-29 02:40:08

●NSns-1588.awsdns-06.co.uk2026-03-23 → 2026-04-29 · 2 obs

● 2026-03-23 20:19:24
● 2026-04-29 02:40:08

●NSns-270.awsdns-33.com2026-03-23 → 2026-04-29 · 2 obs

● 2026-03-23 20:19:24
● 2026-04-29 02:40:08

●NSns-628.awsdns-14.net2026-03-23 → 2026-04-29 · 2 obs

● 2026-03-23 20:19:24
● 2026-04-29 02:40:08

○A108.139.95.1202026-04-11 → 2026-04-17 · 10 obs

○ 2026-04-11 13:32:52
● 2026-04-11 16:56:10
○ 2026-04-12 14:44:38
○ 2026-04-13 16:14:20
● 2026-04-15 06:13:00
○ 2026-04-16 08:26:50
○ 2026-04-16 20:32:08
● 2026-04-17 03:34:32
○ 2026-04-18 10:42:30
○ 2026-04-29 02:40:08

○A108.139.95.662026-04-11 → 2026-04-17 · 10 obs

○A108.139.95.762026-04-11 → 2026-04-17 · 10 obs

○A108.139.95.892026-04-11 → 2026-04-17 · 10 obs

●A13.33.109.162026-04-29 → 2026-04-29 · 3 obs

○ 2026-04-28 02:46:12
● 2026-04-29 02:40:06
● 2026-04-29 02:40:08

●A13.33.109.472026-04-29 → 2026-04-29 · 3 obs

○ 2026-04-28 02:46:12
● 2026-04-29 02:40:06
● 2026-04-29 02:40:08

●A13.33.109.852026-04-29 → 2026-04-29 · 3 obs

○ 2026-04-28 02:46:12
● 2026-04-29 02:40:06
● 2026-04-29 02:40:08

●A13.33.109.992026-04-29 → 2026-04-29 · 3 obs

○ 2026-04-28 02:46:12
● 2026-04-29 02:40:06
● 2026-04-29 02:40:08

○A18.154.144.1132026-03-23 → 2026-03-23 · 3 obs

● 2026-03-23 20:19:24
○ 2026-03-25 03:28:00
○ 2026-04-29 02:40:08

○A18.154.144.152026-03-23 → 2026-03-23 · 3 obs

● 2026-03-23 20:19:24
○ 2026-03-25 03:28:00
○ 2026-04-29 02:40:08

○A18.154.144.202026-03-23 → 2026-03-23 · 3 obs

● 2026-03-23 20:19:24
○ 2026-03-25 03:28:00
○ 2026-04-29 02:40:08

○A18.154.144.912026-03-23 → 2026-03-23 · 3 obs

● 2026-03-23 20:19:24
○ 2026-03-25 03:28:00
○ 2026-04-29 02:40:08

○A18.67.145.52026-03-31 → 2026-04-25 · 29 obs

○ 2026-03-27 01:59:26
● 2026-03-31 11:19:02
○ 2026-04-02 02:38:54
○ 2026-04-05 05:56:04
● 2026-04-05 10:00:22
● 2026-04-05 20:13:10
○ 2026-04-05 21:20:02
○ 2026-04-08 04:08:56
● 2026-04-08 22:03:18
○ 2026-04-09 02:56:42
● 2026-04-09 07:13:48
● 2026-04-10 05:56:22
○ 2026-04-11 13:32:52
○ 2026-04-11 16:56:10
● 2026-04-12 14:44:38
○ 2026-04-12 16:32:48
○ 2026-04-15 06:13:00
● 2026-04-16 08:26:50
● 2026-04-16 20:32:08
○ 2026-04-17 03:34:32
○ 2026-04-20 13:13:58
● 2026-04-21 19:53:34
○ 2026-04-21 23:07:06
● 2026-04-23 18:50:44
○ 2026-04-23 23:08:58
○ 2026-04-24 17:29:10
● 2026-04-25 21:40:40
○ 2026-04-25 23:09:56
○ 2026-04-29 02:40:08

○A18.67.145.722026-03-31 → 2026-04-25 · 29 obs

○A18.67.145.752026-03-31 → 2026-04-25 · 29 obs

○A18.67.145.962026-03-31 → 2026-04-25 · 29 obs

○A3.161.188.272026-04-03 → 2026-04-07 · 14 obs

○ 2026-04-02 02:38:54
● 2026-04-03 16:13:14
○ 2026-04-03 20:44:42
● 2026-04-04 03:01:14
○ 2026-04-04 05:21:48
● 2026-04-04 13:48:28
● 2026-04-05 05:56:04
○ 2026-04-05 10:00:22
○ 2026-04-05 21:20:02
● 2026-04-06 19:51:54
○ 2026-04-06 21:50:28
● 2026-04-07 09:55:28
○ 2026-04-08 04:08:56
○ 2026-04-29 02:40:08

○A3.161.188.402026-04-03 → 2026-04-07 · 14 obs

○A3.161.188.442026-04-03 → 2026-04-07 · 14 obs

○A3.161.188.762026-04-03 → 2026-04-07 · 14 obs

○A3.164.206.1142026-03-25 → 2026-03-26 · 5 obs

○ 2026-03-23 20:19:24
● 2026-03-25 03:28:00
● 2026-03-26 00:17:52
○ 2026-03-26 03:55:26
○ 2026-04-29 02:40:08

○A3.164.206.342026-03-25 → 2026-03-26 · 5 obs

○ 2026-03-23 20:19:24
● 2026-03-25 03:28:00
● 2026-03-26 00:17:52
○ 2026-03-26 03:55:26
○ 2026-04-29 02:40:08

○A3.164.206.82026-03-25 → 2026-03-26 · 5 obs

○ 2026-03-23 20:19:24
● 2026-03-25 03:28:00
● 2026-03-26 00:17:52
○ 2026-03-26 03:55:26
○ 2026-04-29 02:40:08

○A3.164.206.922026-03-25 → 2026-03-26 · 5 obs

○ 2026-03-23 20:19:24
● 2026-03-25 03:28:00
● 2026-03-26 00:17:52
○ 2026-03-26 03:55:26
○ 2026-04-29 02:40:08

○A52.84.118.1062026-03-26 → 2026-04-28 · 39 obs

○ 2026-03-26 00:17:52
● 2026-03-26 03:55:26
● 2026-03-27 01:59:26
○ 2026-03-31 11:19:02
● 2026-04-02 02:38:54
○ 2026-04-03 16:13:14
● 2026-04-03 20:44:42
○ 2026-04-04 03:01:14
● 2026-04-04 05:21:48
○ 2026-04-04 13:48:28
○ 2026-04-05 20:13:10
● 2026-04-05 21:20:02
○ 2026-04-06 19:51:54
● 2026-04-06 21:50:28
○ 2026-04-07 09:55:28
● 2026-04-08 04:08:56
○ 2026-04-08 22:03:18
● 2026-04-09 02:56:42
○ 2026-04-09 07:13:48
○ 2026-04-10 05:56:22
● 2026-04-11 13:32:52
○ 2026-04-11 16:56:10
○ 2026-04-12 14:44:38
● 2026-04-12 16:32:48
● 2026-04-13 16:14:20
○ 2026-04-15 06:13:00
○ 2026-04-17 03:34:32
● 2026-04-18 10:42:30
● 2026-04-20 13:13:58
○ 2026-04-21 19:53:34
● 2026-04-21 23:07:06
○ 2026-04-23 18:50:44
● 2026-04-23 23:08:58
● 2026-04-24 17:29:10
○ 2026-04-25 21:40:40
● 2026-04-25 23:09:56
● 2026-04-28 02:46:12
○ 2026-04-29 02:40:06
○ 2026-04-29 02:40:08

○A52.84.118.392026-03-26 → 2026-04-28 · 39 obs

○A52.84.118.682026-03-26 → 2026-04-28 · 39 obs

○A52.84.118.972026-03-26 → 2026-04-28 · 39 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
u444.us	ns-270.awsdns-33.com, ns-1588.awsdns-06.co.uk, ns-1245.awsdns-27.org, ns-628.awsdns-14.net	-

✅ Authoritative Response

Server:205.251.193.14

NS records: ns-270.awsdns-33.com, ns-1588.awsdns-06.co.uk, ns-1245.awsdns-27.org, ns-628.awsdns-14.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u444.us (unsigned zone)

⏱️ Timing

Total: 776ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.47, 13.33.109.16...`
NS	4	`ns-1245.awsdns-27.org, ns-1588.awsdns-06.co.uk...`
SOA	1	`ns-270.awsdns-33.com awsdns-hostmaster.a`

Analysis

IP Addresses

u444.us maps to four IP numbers: 13.33.109.16, 13.33.109.47, 13.33.109.85 and 13.33.109.99.

Other host names, for instance mailer01.clientcampaigns.com, dzjr1z8jvu49x.cloudfront.net, superbet-brazil.playhunch.io, kayma.com and racingedge.com share IP numbers with u444.us.

Name Servers

u444.us is delegated to four name servers: ns-270.awsdns-33.com, ns-628.awsdns-14.net, ns-1245.awsdns-27.org and ns-1588.awsdns-06.co.uk.

u444.us at least partially shares name servers with other domains such as progresssoftware.biz, blueirisflowersmd.com, baotas.tech, esta-us-org.com and hfsmallgroup.com.

These name servers are commonly used with ns-1409.awsdns-48.org and ns-670.awsdns-19.net.

Host names with two IP numbers:

ns-270.awsdns-33.com points to 2600:9000:5301:e00::1 and 205.251.193.14

ns-628.awsdns-14.net points to 2600:9000:5302:7400::1 and 205.251.194.116

ns-1245.awsdns-27.org points to 2600:9000:5304:dd00::1 and 205.251.196.221

ns-1588.awsdns-06.co.uk points to 2600:9000:5306:3400::1 and 205.251.198.52

u444.us - robtex.com

u444.us

us

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`u444.us`

`us`