`houxu.app`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3031::6815:772^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8233^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.114^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.51^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`greg.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c173^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`greg.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2173^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`greg.ns.cloudflare.com`
		A	108.162.193.115^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	172.64.33.115^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	173.245.59.115^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
NS	`leia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leia.ns.cloudflare.com`
		A	108.162.192.184^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leia.ns.cloudflare.com`
		A	172.64.32.184^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leia.ns.cloudflare.com`
		A	173.245.58.184^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leia.ns.cloudflare.com`
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.114, 172.67.130.51
		IPv6 hints	2606:4700:3031::6815:772, 2606:4700:3035::ac43:8233
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOA	`greg.ns.cloudflare.com`dns@cloudflare.com serial=2403870769

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

houxu.com

houxu.app

DNS History

9 records (8 active, 1 former)

●NSgreg.ns.cloudflare.com2026-04-10 → 2026-05-11 · 2 obs

● 2026-04-10 12:03:44
● 2026-05-11 05:24:58

●NSleia.ns.cloudflare.com2026-04-10 → 2026-05-11 · 2 obs

● 2026-04-10 12:03:44
● 2026-05-11 05:24:58

●MXmxbiz1.qq.com2026-04-10 → 2026-05-11 · 2 obs

● 2026-04-10 12:03:44
● 2026-05-11 05:24:58

●MXmxbiz2.qq.com2026-04-10 → 2026-05-11 · 2 obs

● 2026-04-10 12:03:44
● 2026-05-11 05:24:58

●A104.21.7.1142026-04-10 → 2026-05-11 · 3 obs

○ 2018-10-11 05:42:46
● 2026-04-10 12:03:44
● 2026-05-11 05:24:58

●A172.67.130.512026-04-10 → 2026-05-11 · 3 obs

○ 2018-10-11 05:42:46
● 2026-04-10 12:03:44
● 2026-05-11 05:24:58

●A2606:4700:3031::6815:7722026-04-10 → 2026-05-11 · 3 obs

○ 2018-10-11 05:42:46
● 2026-04-10 12:03:44
● 2026-05-11 05:24:58

●A2606:4700:3035::ac43:82332026-04-10 → 2026-05-11 · 3 obs

○ 2018-10-11 05:42:46
● 2026-04-10 12:03:44
● 2026-05-11 05:24:58

○A65.52.172.2392018-10-11 → 2018-10-11 · 3 obs

● 2018-10-11 05:42:46
○ 2026-04-10 12:03:44
○ 2026-05-11 05:24:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
houxu.app	greg.ns.cloudflare.com, leia.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.115

NS records: greg.ns.cloudflare.com, leia.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.7.114, 172.67.130.51`
AAAA	2	`2606:4700:3035::ac43:8233, 2606:4700:3031::6815:772`
NS	2	`greg.ns.cloudflare.com, leia.ns.cloudflare.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`greg.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

houxu.app maps to four IP numbers: 2606:4700:3031::6815:772, 2606:4700:3035::ac43:8233, 104.21.7.114 and 172.67.130.51.

other host names include nfqhusxpxm.top, xw777.fun, solaritaet.de, vns-02.ezpeer.net and intraspin.com; they share IP numbers with houxu.app.

Name Servers

Two name servers greg.ns.cloudflare.com and leia.ns.cloudflare.com handle the delegation for houxu.app.

houxu.app shares the same name server setup as other domains, for instance clusterdev.com, theflyingengineer.com, bertconstruction.com, savesomesum.com and desh-api.dev.

houxu.app at least partially shares name servers with other domains, for instance 1wexcg.life, itunesgiftcard.ru, 1wnoln.com, 1wcqtq.life and hsnetwork.in.

These name servers are commonly used with osmar.ns.cloudflare.com and adaline.ns.cloudflare.com.

Six IP addresses per host:

greg.ns.cloudflare.com points to 2606:4700:58::adf5:3b73, 2803:f800:50::6ca2:c173, 2a06:98c1:50::ac40:2173, 108.162.193.115, 172.64.33.115 and 173.245.59.115; leia.ns.cloudflare.com points to 2606:4700:50::adf5:3ab8, 2803:f800:50::6ca2:c0b8, 2a06:98c1:50::ac40:20b8, 108.162.192.184, 172.64.32.184 and 173.245.58.184

Mail Servers

houxu.app is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

houxu.app uses the same mail server setup as other domains, for instance gzcaben.com, mengmaobang.com, gzdashu.com, yjadd.com and zkxa.com.cn.

houxu.app shares some mail servers with other domains, including dsprun.com, haolaishop.com, pemart.com and kdream.cn.

houxu.app - robtex.com

houxu.app

app

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`houxu.app`

`app`