`u2a.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:5204^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a757^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.4^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.167.87^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ignat.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c13^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignat.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c313^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ignat.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2313^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ignat.ns.cloudflare.com`
		A	108.162.195.19^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignat.ns.cloudflare.com`
		A	162.159.44.19^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignat.ns.cloudflare.com`
		A	172.64.35.19^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignat.ns.cloudflare.com`
NS	`ziggy.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ed^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ziggy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ed^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ziggy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ed^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ziggy.ns.cloudflare.com`
		A	108.162.194.237^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ziggy.ns.cloudflare.com`
		A	162.159.38.237^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ziggy.ns.cloudflare.com`
		A	172.64.34.237^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ziggy.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.4, 172.67.167.87
		IPv6 hints	2606:4700:3032::6815:5204, 2606:4700:3035::ac43:a757
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com
SOA	`ignat.ns.cloudflare.com`dns@cloudflare.com serial=2410961606

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1785898327

Same first word

u2a.net

u2a.cz

u2a.io

u2a.me

u2a.com

u2a.de

u2a.org

u2a.com.au

u2a.cn

u2a.ru

Similar names

a2u.net

au2.cn

au2.net

a2u.es

a2u.ir

a2u.com.tw

2ua.in.ua

a2u.com

a2u.eu

2au.de

ua2.cn

a2u.cn

a2u.casino

2au.ru

ua2.org

au2.no

ua2.com

ua2.eu

a2u.si

au2.org

au2.ph

2au.fr

ua2.me

a2u.online

au2.de

a2u.co

2ua.com

a2u.jp

au2.ru

2ua.ru

2ua.cn

2au.com

au2.info

a2u.ru

au2.com

ua2.de

2ua.net

a2u.se

2au.net

a2u.co.uk

a2u.biz

a2u.dev

2ua.org

au2.es

ua2.ru

a2u.at

a2u.in

au2.eu

au2.dk

a2u.world

a2u.de

au2.net.au

a2u.ch

a2u.org

ua2.co

a2u.me

a2u.nl

2au.org

ua2.net

DNS History

14 records (6 active, 8 former)

●NSignat.ns.cloudflare.com2026-07-14 → 2026-08-05 · 2 obs

● 2026-07-14 06:34:00
● 2026-08-05 03:14:40

●NSziggy.ns.cloudflare.com2026-07-14 → 2026-08-05 · 2 obs

● 2026-07-14 06:34:00
● 2026-08-05 03:14:40

●A104.21.82.42026-07-21 → 2026-08-05 · 5 obs

○ 2026-07-14 08:26:58
● 2026-07-21 00:38:36
○ 2026-07-27 09:26:22
● 2026-07-27 10:04:28
● 2026-08-05 03:14:40

●A172.67.167.872026-07-21 → 2026-08-05 · 5 obs

○ 2026-07-14 08:26:58
● 2026-07-21 00:38:36
○ 2026-07-27 09:26:22
● 2026-07-27 10:04:28
● 2026-08-05 03:14:40

○A188.114.96.02026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 06:34:00
● 2026-07-14 08:26:58
○ 2026-07-21 00:38:36
○ 2026-08-05 03:14:40

○A188.114.96.42026-07-14 → 2026-07-27 · 5 obs

● 2026-07-14 06:34:00
○ 2026-07-14 08:26:58
● 2026-07-27 09:26:22
○ 2026-07-27 10:04:28
○ 2026-08-05 03:14:40

○A188.114.97.02026-07-14 → 2026-07-14 · 4 obs

○ 2026-07-14 06:34:00
● 2026-07-14 08:26:58
○ 2026-07-21 00:38:36
○ 2026-08-05 03:14:40

○A188.114.97.42026-07-14 → 2026-07-27 · 5 obs

● 2026-07-14 06:34:00
○ 2026-07-14 08:26:58
● 2026-07-27 09:26:22
○ 2026-07-27 10:04:28
○ 2026-08-05 03:14:40

●A2606:4700:3032::6815:52042026-07-21 → 2026-08-05 · 5 obs

○ 2026-07-14 08:26:58
● 2026-07-21 00:38:36
○ 2026-07-27 09:26:22
● 2026-07-27 10:04:28
● 2026-08-05 03:14:40

●A2606:4700:3035::ac43:a7572026-07-21 → 2026-08-05 · 5 obs

○ 2026-07-14 08:26:58
● 2026-07-21 00:38:36
○ 2026-07-27 09:26:22
● 2026-07-27 10:04:28
● 2026-08-05 03:14:40

○A2a06:98c1:3120::2026-07-14 → 2026-07-14 · 3 obs

● 2026-07-14 06:34:00
○ 2026-07-21 00:38:36
○ 2026-08-05 03:14:40

○A2a06:98c1:3120::42026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-21 00:38:36
● 2026-07-27 09:26:22
○ 2026-07-27 10:04:28
○ 2026-08-05 03:14:40

○A2a06:98c1:3121::2026-07-14 → 2026-07-14 · 3 obs

● 2026-07-14 06:34:00
○ 2026-07-21 00:38:36
○ 2026-08-05 03:14:40

○A2a06:98c1:3121::42026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-21 00:38:36
● 2026-07-27 09:26:22
○ 2026-07-27 10:04:28
○ 2026-08-05 03:14:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a2.nic.io, b0.nic.io, c0.nic.io, a0.nic.io	-
u2a.io	ziggy.ns.cloudflare.com, ignat.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.19

NS records: ziggy.ns.cloudflare.com, ignat.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u2a.io (unsigned zone)

⏱️ Timing

Total: 1184ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.82.4, 172.67.167.87`
AAAA	2	`2606:4700:3032::6815:5204, 2606:4700:3035::ac43:a757`
NS	2	`ignat.ns.cloudflare.com, ziggy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ignat.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

u2a.io points to the four IP addresses 104.21.82.4, 172.67.167.87, 2606:4700:3032::6815:5204 and 2606:4700:3035::ac43:a757.

Additional host names — ancheim.ie, brasnet.net, www.paiji.org and two others — share IP numbers with u2a.io.

Name Servers

u2a.io has two authoritative name servers — ignat.ns.cloudflare.com and ziggy.ns.cloudflare.com.

u2a.io shares its name server setup with other domains, including 9stream.io, 365hachiuu.com, rdta.asia and two others.

At least some of u2a.io's name servers are shared with other domains, for example 246030.com, glemail.net, nanofancy.com and two more.

Host names with 6 IP numbers:

ignat.ns.cloudflare.com points to 108.162.195.19, 162.159.44.19, 172.64.35.19 and 3 other IP addresses.

ziggy.ns.cloudflare.com points to 108.162.194.237, 162.159.38.237, 172.64.34.237 and 3 other IP addresses.

u2a.io - robtex.com

u2a.io

io

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`u2a.io`

`io`