🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`modelstack.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:81c7^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:2e5^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.229^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.199^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`princess.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2611^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`princess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c211^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`princess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2211^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`princess.ns.cloudflare.com`
		A	108.162.194.17^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`princess.ns.cloudflare.com`
		A	162.159.38.17^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`princess.ns.cloudflare.com`
		A	172.64.34.17^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`princess.ns.cloudflare.com`
NS	`wells.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wells.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wells.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wells.ns.cloudflare.com`
		A	108.162.195.125^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.125^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wells.ns.cloudflare.com`
		A	172.64.35.125^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wells.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=8mmgQPuUoNtyjDAMVKcr`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.229, 172.67.129.199
		IPv6 hints	2606:4700:3031::ac43:81c7, 2606:4700:3035::6815:2e5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com
SOA	`princess.ns.cloudflare.com`dns@cloudflare.com serial=2411159869

`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

modelstack.com

modelstack.cfd

modelstack.org

modelstack.app

modelstack.tech

modelstack.cc

modelstack.net

Similar names

metalsdock.xyz

stackmodel.com

mstockdale.com

metaldocks.com

stackmodel.ai

dkmetalsco.com

Previous names

Next names

DNS History

9 records (9 active, 0 former)

●NSprincess.ns.cloudflare.com2026-08-30 → 2026-08-31 · 2 obs

● 2026-08-30 22:19:22
● 2026-08-31 04:51:58

●NSwells.ns.cloudflare.com2026-08-30 → 2026-08-31 · 2 obs

● 2026-08-30 22:19:22
● 2026-08-31 04:51:58

●MXmx1.feishu.cn2026-08-30 → 2026-08-31 · 2 obs

● 2026-08-30 22:19:22
● 2026-08-31 04:51:58

●MXmx2.feishu.cn2026-08-30 → 2026-08-31 · 2 obs

● 2026-08-30 22:19:22
● 2026-08-31 04:51:58

●MXmx3.feishu.cn2026-08-30 → 2026-08-31 · 2 obs

● 2026-08-30 22:19:22
● 2026-08-31 04:51:58

●A104.21.2.2292026-08-30 → 2026-08-31 · 2 obs

● 2026-08-30 22:19:22
● 2026-08-31 04:51:58

●A172.67.129.1992026-08-30 → 2026-08-31 · 2 obs

● 2026-08-30 22:19:22
● 2026-08-31 04:51:58

●A2606:4700:3031::ac43:81c72026-08-30 → 2026-08-31 · 2 obs

● 2026-08-30 22:19:22
● 2026-08-31 04:51:58

●A2606:4700:3035::6815:2e52026-08-30 → 2026-08-31 · 2 obs

● 2026-08-30 22:19:22
● 2026-08-31 04:51:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
modelstack.app	wells.ns.cloudflare.com, princess.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.125

NS records: wells.ns.cloudflare.com, princess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for modelstack.app (unsigned zone)

⏱️ Timing

Total: 837ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.129.199, 104.21.2.229`
AAAA	2	`2606:4700:3031::ac43:81c7, 2606:4700:3035::6815:2e5`
NS	2	`princess.ns.cloudflare.com, wells.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=8mmgQP`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`princess.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

modelstack.app resolves to four IP addresses: 104.21.2.229, 172.67.129.199, 2606:4700:3031::ac43:81c7 and 2606:4700:3035::6815:2e5.

Two other host names, along with rascal.su, firstaidhalifax.ca and xz5o.com, also share IP numbers with modelstack.app.

Name Servers

DNS delegation for modelstack.app points to two name servers: princess.ns.cloudflare.com and wells.ns.cloudflare.com.

modelstack.app shares its NS records with other domains, for example mlxuviratlpc.workers.dev, tachigame.com, reparaciondepc.cl and two others.

modelstack.app partially shares its NS delegation with several other domains, including sam-dg019.workers.dev, asalies.co, wandile.me and two others.

These name servers are regularly seen alongside mark.ns.cloudflare.com and alexis.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

princess.ns.cloudflare.com has IP addresses 108.162.194.17, 162.159.38.17 and 172.64.34.17, plus 3 other.

wells.ns.cloudflare.com has IP addresses 108.162.195.125, 162.159.44.125 and 172.64.35.125, plus 3 other.

Mail Servers

modelstack.app uses three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

There is at least a partial MX overlap between modelstack.app and other domains, including peng.ge, gotokepler.com, designfind.com and two others.

Hostnames that map to three IP numbers:

mx3.feishu.cn has IP addresses 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names that have two IP addresses:

mx2.feishu.cn has two IP addresses: 101.126.58.225 and 122.14.229.0.

Host names pointing to 101.126.58.225 IP addresses: mx3.feishu.cn and mx2.feishu.cn.

Host names pointing to 122.14.229.0 IP addresses: mx3.feishu.cn and mx2.feishu.cn.

modelstack.app - robtex.com

modelstack.app

app

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`modelstack.app`

`app`