u2app.com - dns.ninja

`u2app.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:b80e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4bf7^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.247^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.14^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aldo.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cf8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aldo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aldo.ns.cloudflare.com`
		A	108.162.195.248^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
		A	162.159.44.248^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
		A	172.64.35.248^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aldo.ns.cloudflare.com`
NS	`ariella.ns.cloudflare.com`
		A	2606:4700:50::a29f:2620^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ariella.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c220^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ariella.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2220^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ariella.ns.cloudflare.com`
		A	108.162.194.32^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ariella.ns.cloudflare.com`
		A	162.159.38.32^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ariella.ns.cloudflare.com`
		A	172.64.34.32^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ariella.ns.cloudflare.com`
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.247, 172.67.184.14
		IPv6 hints	2606:4700:3035::ac43:b80e, 2606:4700:3037::6815:4bf7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com
SOA	`aldo.ns.cloudflare.com`dns@cloudflare.com serial=2411641704

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786589184

Same first word

u2app.com

u2app.net

Similar names

app2u.net

app2u.cn

2uapp.biz

app2u.com

app2u.co.kr

app2u.blogspot.com

2uapp.org

pupa2.de

app2u.es

2uapp.net

app2u.gr

2uapp.com

app2u.de

2uapp.me

app2u.it

app2u.co.il

2uapp.mobi

DNS History

11 records (8 active, 3 former)

●NSaldo.ns.cloudflare.com2026-04-08 → 2026-08-13 · 3 obs

○ 2017-05-22 08:41:14
● 2026-04-08 04:27:08
● 2026-08-13 03:07:46

●NSariella.ns.cloudflare.com2026-04-08 → 2026-08-13 · 3 obs

○ 2017-05-22 08:41:14
● 2026-04-08 04:27:08
● 2026-08-13 03:07:46

○NSdns31.hichina.com2015-07-02 → 2017-05-22 · 4 obs

● 2015-07-02 05:51:02
● 2017-05-22 08:41:14
○ 2026-04-08 04:27:08
○ 2026-08-13 03:07:46

○NSdns32.hichina.com2015-07-02 → 2017-05-22 · 4 obs

● 2015-07-02 05:51:02
● 2017-05-22 08:41:14
○ 2026-04-08 04:27:08
○ 2026-08-13 03:07:46

●MXmxbiz1.qq.com2015-07-02 → 2026-08-13 · 2 obs

● 2015-07-02 05:51:02
● 2026-08-13 03:07:46

●MXmxbiz2.qq.com2015-07-02 → 2026-08-13 · 2 obs

● 2015-07-02 05:51:02
● 2026-08-13 03:07:46

●A104.21.75.2472026-04-08 → 2026-08-13 · 2 obs

● 2026-04-08 04:27:08
● 2026-08-13 03:07:46

●A172.67.184.142026-04-08 → 2026-08-13 · 2 obs

● 2026-04-08 04:27:08
● 2026-08-13 03:07:46

○A2606:4700:3032::6815:4bf72026-04-08 → 2026-05-30 · 4 obs

● 2026-04-08 04:27:08
● 2026-05-30 02:25:44
○ 2026-07-12 20:49:38
○ 2026-08-13 03:07:46

●A2606:4700:3035::ac43:b80e2026-04-08 → 2026-08-13 · 2 obs

● 2026-04-08 04:27:08
● 2026-08-13 03:07:46

●A2606:4700:3037::6815:4bf72026-07-12 → 2026-08-13 · 3 obs

○ 2026-05-30 02:25:44
● 2026-07-12 20:49:38
● 2026-08-13 03:07:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net...	-
u2app.com	ariella.ns.cloudflare.com, aldo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.248

NS records: ariella.ns.cloudflare.com, aldo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u2app.com (unsigned zone)

⏱️ Timing

Total: 159ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.75.247, 172.67.184.14`
AAAA	2	`2606:4700:3035::ac43:b80e, 2606:4700:3037::6815:4bf7`
NS	2	`aldo.ns.cloudflare.com, ariella.ns.cloudflare.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aldo.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ariella.ns.cloudflare.com, ariella.ns.cloudflare.com, ariella.ns.cloudflare.com...)

Analysis

IP Addresses

u2app.com directs to four IP numbers, which are 104.21.75.247, 172.67.184.14, 2606:4700:3035::ac43:b80e and 2606:4700:3037::6815:4bf7.

Two other host names, along with keylessrepeaterbox.com, bet6840.com and kotabangunilir.id, also share IP numbers with u2app.com.

Name Servers

Two name servers handle the delegation for u2app.com: aldo.ns.cloudflare.com and ariella.ns.cloudflare.com.

u2app.com shares its NS records with other domains, for example incredible-web.com, cikamedia.net, desktop-digital.com and two others.

At least some of u2app.com's name servers are shared with other domains, for example livedrawsgphk.me, elephanttel.com, mimetatusalud.com and two more.

These name servers are often deployed together with the name servers daphne.ns.cloudflare.com, bingo.ns.cloudflare.com, cory.ns.cloudflare.com and hank.ns.cloudflare.com.

DNS names with 6 IP addresses:

aldo.ns.cloudflare.com resolves to 108.162.195.248, 162.159.44.248 and 172.64.35.248 among others, with 3 other IP addresses in total.

ariella.ns.cloudflare.com resolves to 108.162.194.32, 162.159.38.32 and 172.64.34.32 among others, with 3 other IP addresses in total.

Mail Servers

u2app.com is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

Among the domains sharing a mail server setup with u2app.com are pku1981.com, 51memory.com, hellomeng.com and two others.

At least a portion of u2app.com's mail servers are shared with other domains, among them chsand.com and tjbdqn.com.