`u-id.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:dd6c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:2b39^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.57^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.108^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`armfazh.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c368^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`armfazh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2368^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`armfazh.ns.cloudflare.com`
		A	108.162.195.104^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	162.159.44.104^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	172.64.35.104^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
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`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽³²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷²⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , 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 ✓ hints match
		IPv4 hints	104.21.43.57, 172.67.221.108
		IPv6 hints	2606:4700:3034::ac43:dd6c, 2606:4700:3037::6815:2b39
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOA	`armfazh.ns.cloudflare.com`dns@cloudflare.com serial=2406577627

`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=1785755220

⚠️ On DNS blocklist: tif

Subdomains

www.u-id.us

Same first word

u-id.org

u-id.ws

u-id.net

u-id.com

u-id.us

Similar names

ui-d.com.tw

ud-i.com

d-ui.cn

id-u.com

u-di.de

i-du.com

i-du.ru

DNS History

23 records (9 active, 14 former)

●NSarmfazh.ns.cloudflare.com2026-05-12 → 2026-08-03 · 3 obs

○ 2026-03-27 01:48:52
● 2026-05-12 19:25:20
● 2026-08-03 11:16:16

●NSaspen.ns.cloudflare.com2026-05-12 → 2026-08-03 · 3 obs

○ 2026-03-27 01:48:52
● 2026-05-12 19:25:20
● 2026-08-03 11:16:16

○NSns1.usaapplecard.com2016-09-25 → 2016-09-25 · 3 obs

● 2016-09-25 19:23:04
○ 2026-03-27 01:48:52
○ 2026-08-03 11:16:16

○NSns2.usaapplecard.com2016-09-25 → 2016-09-25 · 3 obs

● 2016-09-25 19:23:04
○ 2026-03-27 01:48:52
○ 2026-08-03 11:16:16

○MXmail.u-id.us2016-09-25 → 2016-09-25 · 3 obs

● 2016-09-25 19:23:04
○ 2026-03-27 01:48:52
○ 2026-08-03 11:16:16

●MXroute1.mx.cloudflare.net2026-05-12 → 2026-08-03 · 3 obs

○ 2026-03-27 01:48:52
● 2026-05-12 19:25:20
● 2026-08-03 11:16:16

●MXroute2.mx.cloudflare.net2026-05-12 → 2026-08-03 · 3 obs

○ 2026-03-27 01:48:52
● 2026-05-12 19:25:20
● 2026-08-03 11:16:16

●MXroute3.mx.cloudflare.net2026-05-12 → 2026-08-03 · 3 obs

○ 2026-03-27 01:48:52
● 2026-05-12 19:25:20
● 2026-08-03 11:16:16

●A104.21.43.572026-05-12 → 2026-08-03 · 10 obs

○ 2026-03-27 01:48:52
● 2026-05-12 19:25:20
● 2026-06-04 17:57:40
○ 2026-06-05 13:50:06
○ 2026-06-05 14:27:06
● 2026-06-21 08:43:36
○ 2026-07-01 09:51:28
● 2026-07-10 06:34:16
○ 2026-07-17 21:17:54
● 2026-08-03 11:16:16

●A172.67.221.1082026-05-12 → 2026-08-03 · 10 obs

○A188.114.96.02026-06-05 → 2026-07-17 · 7 obs

○ 2026-06-05 13:50:06
● 2026-06-05 14:27:06
○ 2026-06-21 08:43:36
● 2026-07-01 21:17:56
○ 2026-07-10 06:34:16
● 2026-07-17 21:17:54
○ 2026-08-03 11:16:16

○A188.114.96.42026-06-05 → 2026-07-01 · 6 obs

○ 2026-06-04 17:57:40
● 2026-06-05 13:50:06
○ 2026-06-05 14:27:06
● 2026-07-01 09:51:28
○ 2026-07-01 21:17:56
○ 2026-08-03 11:16:16

○A188.114.97.02026-06-05 → 2026-07-17 · 7 obs

○ 2026-06-05 13:50:06
● 2026-06-05 14:27:06
○ 2026-06-21 08:43:36
● 2026-07-01 21:17:56
○ 2026-07-10 06:34:16
● 2026-07-17 21:17:54
○ 2026-08-03 11:16:16

○A188.114.97.42026-06-05 → 2026-07-01 · 6 obs

○ 2026-06-04 17:57:40
● 2026-06-05 13:50:06
○ 2026-06-05 14:27:06
● 2026-07-01 09:51:28
○ 2026-07-01 21:17:56
○ 2026-08-03 11:16:16

○A2606:4700:3031::ac43:dd6c2026-05-12 → 2026-06-21 · 8 obs

○ 2026-03-27 01:48:52
● 2026-05-12 19:25:20
● 2026-06-04 17:57:40
○ 2026-06-05 13:50:06
○ 2026-06-05 14:27:06
● 2026-06-21 08:43:36
○ 2026-07-01 09:51:28
○ 2026-08-03 11:16:16

●A2606:4700:3034::ac43:dd6c2026-07-10 → 2026-08-03 · 4 obs

○ 2026-07-03 05:18:04
● 2026-07-10 06:34:16
○ 2026-07-17 21:17:54
● 2026-08-03 11:16:16

○A2606:4700:3035::6815:2b392026-05-12 → 2026-06-21 · 8 obs

○ 2026-03-27 01:48:52
● 2026-05-12 19:25:20
● 2026-06-04 17:57:40
○ 2026-06-05 13:50:06
○ 2026-06-05 14:27:06
● 2026-06-21 08:43:36
○ 2026-07-01 09:51:28
○ 2026-08-03 11:16:16

●A2606:4700:3037::6815:2b392026-07-10 → 2026-08-03 · 4 obs

○ 2026-07-03 05:18:04
● 2026-07-10 06:34:16
○ 2026-07-17 21:17:54
● 2026-08-03 11:16:16

○A2a06:98c1:3120::2026-06-05 → 2026-07-17 · 7 obs

○ 2026-06-05 13:50:06
● 2026-06-05 14:27:06
○ 2026-06-21 08:43:36
● 2026-07-01 09:51:28
○ 2026-07-03 05:18:04
● 2026-07-17 21:17:54
○ 2026-08-03 11:16:16

○A2a06:98c1:3120::42026-06-05 → 2026-07-03 · 6 obs

○ 2026-06-04 17:57:40
● 2026-06-05 13:50:06
○ 2026-06-05 14:27:06
● 2026-07-03 05:18:04
○ 2026-07-10 06:34:16
○ 2026-08-03 11:16:16

○A2a06:98c1:3121::2026-06-05 → 2026-07-17 · 7 obs

○ 2026-06-05 13:50:06
● 2026-06-05 14:27:06
○ 2026-06-21 08:43:36
● 2026-07-01 09:51:28
○ 2026-07-03 05:18:04
● 2026-07-17 21:17:54
○ 2026-08-03 11:16:16

○A2a06:98c1:3121::42026-06-05 → 2026-07-03 · 6 obs

○ 2026-06-04 17:57:40
● 2026-06-05 13:50:06
○ 2026-06-05 14:27:06
● 2026-07-03 05:18:04
○ 2026-07-10 06:34:16
○ 2026-08-03 11:16:16

○A5.160.200.522016-09-25 → 2016-09-25 · 3 obs

● 2016-09-25 19:23:04
○ 2026-03-27 01:48:52
○ 2026-08-03 11:16:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
u-id.us	aspen.ns.cloudflare.com, armfazh.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.104

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u-id.us (unsigned zone)

⏱️ Timing

Total: 449ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.43.57, 172.67.221.108`
AAAA	2	`2606:4700:3037::6815:2b39, 2606:4700:3034::ac43:dd6c`
NS	2	`armfazh.ns.cloudflare.com, aspen.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 13), route1.mx.cloudflare.net (pri: 32)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`armfazh.ns.cloudflare.com dns.cloudflare`

Analysis

Hierarchy

u-id.us serves as the parent of www.u-id.us.

IP Addresses

u-id.us has four IP addresses: 104.21.43.57, 172.67.221.108, 2606:4700:3034::ac43:dd6c and 2606:4700:3037::6815:2b39.

searchenginefilms.com, packagedclosings.com, 1681689.com plus two other host names have IP numbers in common with u-id.us.

Name Servers

Two name servers handle the delegation for u-id.us: armfazh.ns.cloudflare.com and aspen.ns.cloudflare.com.

The name server configuration of u-id.us is shared with other domains, for instance arielpires.com.br, thereisnolater.org, quran.is and two others.

u-id.us has at least partial name server overlap with other domains, such as aixmpay.vip, doctanet.com, gtec-hk.com and two others.

These name servers tend to appear together with the name servers gordon.ns.cloudflare.com, nash.ns.cloudflare.com and violet.ns.cloudflare.com.

Hosts with 6 IP addresses each:

armfazh.ns.cloudflare.com resolves to 108.162.195.104, 162.159.44.104 and 172.64.35.104 among others, with 3 other IP addresses in total.

aspen.ns.cloudflare.com resolves to 108.162.194.109, 162.159.38.109 and 172.64.34.109 among others, with 3 other IP addresses in total.

Mail Servers

u-id.us has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by u-id.us are shared with other domains: natureblog.net, downair.net, triantan.com and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.

u-id.us - robtex.com

u-id.us

us

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`u-id.us`

`us`