flexstack.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`flexstack.org`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3032::ac43:bfc6^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:245f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.95^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.198^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ian.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b76^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c176^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2176^{Cloudflare2a06:98c1:50::/45}
		A	108.162.193.118^{Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.118^{Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.118^{Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`kate.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kate.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kate.ns.cloudflare.com`
		A	108.162.192.124^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
		A	172.64.32.124^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
		A	173.245.58.124^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zoho.com ~all`
TXT	`zoho-verification=zb55170000.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.95, 172.67.191.198
		IPv6 hints	2606:4700:3032::ac43:bfc6, 2606:4700:3033::6815:245f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=47, name=cloudflare-ech.com
SOA	`ian.ns.cloudflare.com`dns@cloudflare.com serial=2413932299

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1789222587

Same first word

flexstack.org

flexstack.online

flexstack.nl

flexstack.io

flexstack.eu

flexstack.run

flexstack.tech

flexstack.app

flexstack.com

flexstack.ai

flexstack.co

flexstack.xyz

Similar names

stackflex.io

Previous names

Next names

flexstaff.org

flexstake.org

flexstar.org

flexstart.org

flexstash.org

flexstate.org

flexstay.org

DNS History

9 records (9 active, 0 former)

●NSian.ns.cloudflare.com2026-09-03 → 2026-09-12 · 2 obs

● 2026-09-03 23:04:14
● 2026-09-12 15:10:30

●NSkate.ns.cloudflare.com2026-09-03 → 2026-09-12 · 2 obs

● 2026-09-03 23:04:14
● 2026-09-12 15:10:30

●MXmx.zoho.com2026-09-03 → 2026-09-12 · 2 obs

● 2026-09-03 23:04:14
● 2026-09-12 15:10:30

●MXmx2.zoho.com2026-09-03 → 2026-09-12 · 2 obs

● 2026-09-03 23:04:14
● 2026-09-12 15:10:30

●MXmx3.zoho.com2026-09-03 → 2026-09-12 · 2 obs

● 2026-09-03 23:04:14
● 2026-09-12 15:10:30

●A104.21.36.952026-09-03 → 2026-09-12 · 2 obs

● 2026-09-03 23:04:14
● 2026-09-12 15:10:30

●A172.67.191.1982026-09-03 → 2026-09-12 · 2 obs

● 2026-09-03 23:04:14
● 2026-09-12 15:10:30

●A2606:4700:3032::ac43:bfc62026-09-03 → 2026-09-12 · 2 obs

● 2026-09-03 23:04:14
● 2026-09-12 15:10:30

●A2606:4700:3033::6815:245f2026-09-03 → 2026-09-12 · 2 obs

● 2026-09-03 23:04:14
● 2026-09-12 15:10:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
flexstack.org	kate.ns.cloudflare.com, ian.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.118

NS records: kate.ns.cloudflare.com, ian.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 4490ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.36.95, 172.67.191.198`
AAAA	2	`2606:4700:3033::6815:245f, 2606:4700:3032::ac43:bfc6`
NS	2	`ian.ns.cloudflare.com, kate.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	2	`v=spf1 include:zoho.com ~all, zoho-verification=zb55170000.zmverify.zo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ian.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

flexstack.org has four IP addresses: 104.21.36.95, 172.67.191.198, 2606:4700:3032::ac43:bfc6 and 2606:4700:3033::6815:245f.

Name Servers

flexstack.org uses two name servers for its delegation: ian.ns.cloudflare.com and kate.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname ian.ns.cloudflare.com directs to 108.162.193.118, 172.64.33.118 and 173.245.59.118 along with 3 other IP addresses.

Hostname kate.ns.cloudflare.com directs to 108.162.192.124, 172.64.32.124 and 173.245.58.124 along with 3 other IP addresses.

Mail Servers

flexstack.org is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

mx2.zoho.com resolves to 204.141.43.44, and so do mx3.zoho.com and mx.zoho.com — all three share that one IP address.

mx2.zoho.com, mx3.zoho.com and mx.zoho.com all direct to 204.141.43.44.