🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`trainstack.app`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`hans.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3baf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1af^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hans.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21af^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hans.ns.cloudflare.com`
		A	108.162.193.175^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	172.64.33.175^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
		A	173.245.59.175^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hans.ns.cloudflare.com`
NS	`jacqueline.ns.cloudflare.com`
		A	2606:4700:50::a29f:2684^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jacqueline.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c284^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jacqueline.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2284^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jacqueline.ns.cloudflare.com`
		A	108.162.194.132^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jacqueline.ns.cloudflare.com`
		A	162.159.38.132^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jacqueline.ns.cloudflare.com`
		A	172.64.34.132^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jacqueline.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`google-site-verification=W2g1ztMpWssFP0du-5tmXJaJZB9v875YqUIlK5mNwxM`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`hans.ns.cloudflare.com`dns@cloudflare.com serial=2412237890

`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

trainstack.app

trainstack.dev

Similar names

Previous names

Next names

DNS History

5 records (5 active, 0 former)

●NShans.ns.cloudflare.com2026-08-19 → 2026-08-31 · 2 obs

● 2026-08-19 17:36:34
● 2026-08-31 15:50:30

●NSjacqueline.ns.cloudflare.com2026-08-19 → 2026-08-31 · 2 obs

● 2026-08-19 17:36:34
● 2026-08-31 15:50:30

●MXin1-smtp.messagingengine.com2026-08-19 → 2026-08-31 · 2 obs

● 2026-08-19 17:36:34
● 2026-08-31 15:50:30

●MXin2-smtp.messagingengine.com2026-08-19 → 2026-08-31 · 2 obs

● 2026-08-19 17:36:34
● 2026-08-31 15:50:30

●A76.76.21.212026-08-19 → 2026-08-31 · 2 obs

● 2026-08-19 17:36:34
● 2026-08-31 15:50:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	10 records
trainstack.app	jacqueline.ns.cloudflare.com, hans.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.132

NS records: jacqueline.ns.cloudflare.com, hans.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for trainstack.app (unsigned zone)

⏱️ Timing

Total: 1000ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`hans.ns.cloudflare.com, jacqueline.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	2	`google-site-verification=W2g1ztMpWssFP0d, v=spf1 include:spf.messagingengine.com ?`
SOA	1	`hans.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

trainstack.app has exactly one IP address — 76.76.21.21.

supernoderz.com, 560066.com, bizos.it plus two other host names have IP numbers in common with trainstack.app.

Name Servers

The NS records for trainstack.app delegate to hans.ns.cloudflare.com and jacqueline.ns.cloudflare.com.

The name server configuration of trainstack.app is shared with other domains, for instance 9ardrua.com, ronebrandao.dev, yuvicaenterpriseindia-co-in.pages.dev and two others.

trainstack.app has at least partial name server overlap with other domains, such as zoldertv.nl, asabkk.com, serafogel.com and two others.

It is common to see these name servers used together with name servers brenda.ns.cloudflare.com and elle.ns.cloudflare.com.

Hosts with 6 IP addresses each:

hans.ns.cloudflare.com maps to 108.162.193.175, 172.64.33.175, 173.245.59.175 and 3 additional IP addresses.

jacqueline.ns.cloudflare.com maps to 108.162.194.132, 162.159.38.132, 172.64.34.132 and 3 additional IP addresses.

Mail Servers

trainstack.app uses two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

The mail server setup of trainstack.app matches that of other domains such as bitplanets.com, interestingangle.com, evulid.cc and two others.

trainstack.app partially shares its mail servers with other domains; known examples include mosaicmoney.app, stensway.com and proformative.com.

Hosts with 8 IP addresses each:

in1-smtp.messagingengine.com maps to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 additional IP addresses.

Host names with four IP addresses:

in2-smtp.messagingengine.com has four IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

trainstack.app - robtex.com

trainstack.app

app

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`trainstack.app`

`app`