flexstack.co - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`flexstack.co`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::6815:4bf5^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:b80c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.245^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.12^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`noah.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c185^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`noah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2185^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`noah.ns.cloudflare.com`
		A	108.162.193.133^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	172.64.33.133^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	173.245.59.133^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
NS	`sara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=mTwNc1AC_vQdn5661lAr-KJLqz_DExPRHmJEKvZQTBg`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.245, 172.67.184.12
		IPv6 hints	2606:4700:3030::6815:4bf5, 2606:4700:3030::ac43:b80c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOA	`noah.ns.cloudflare.com`dns@cloudflare.com serial=2415148653

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759760462

Same first word

flexstack.co

flexstack.xyz

flexstack.org

flexstack.online

flexstack.nl

flexstack.io

flexstack.eu

flexstack.run

flexstack.tech

flexstack.app

flexstack.com

flexstack.ai

Similar names

stackflex.io

Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NSnoah.ns.cloudflare.com2026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●NSsara.ns.cloudflare.com2026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●MXalt1.aspmx.l.google.com2026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●MXalt2.aspmx.l.google.com2026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●MXalt3.aspmx.l.google.com2026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●MXalt4.aspmx.l.google.com2026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●MXaspmx.l.google.com2026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●A104.21.75.2452026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●A172.67.184.122026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●A2606:4700:3030::6815:4bf52026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

●A2606:4700:3030::ac43:b80c2026-09-11 → 2026-09-18 · 2 obs

● 2026-09-11 09:34:26
● 2026-09-18 00:12:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
flexstack.co	sara.ns.cloudflare.com, noah.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.144

NS records: sara.ns.cloudflare.com, noah.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1975ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.184.12, 104.21.75.245`
AAAA	2	`2606:4700:3030::ac43:b80c, 2606:4700:3030::6815:4bf5`
NS	2	`noah.ns.cloudflare.com, sara.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=mTwNc1AC_vQdn56, v=spf1 include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`noah.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

flexstack.co has four IP addresses: 104.21.75.245, 172.67.184.12, 2606:4700:3030::6815:4bf5 and 2606:4700:3030::ac43:b80c.

www.prescribepm.com.au, www.zolmirato.top, xinfc.net and two other host names share IP numbers with flexstack.co.

Name Servers

flexstack.co is delegated to two name servers: noah.ns.cloudflare.com and sara.ns.cloudflare.com.

flexstack.co uses the same name servers as several other domains — among them claw-dashboard-staging.pages.dev, carong.my.id, newsletter-frontrowcrew-com.pages.dev and two more.

flexstack.co shares at least some of its name servers with other domains, including kompil.no, afiatsmartring.com, 6cfpg.com and two others.

These name servers are frequently paired with the name servers cass.ns.cloudflare.com and carter.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

noah.ns.cloudflare.com resolves to 108.162.193.133, 172.64.33.133, 173.245.59.133 and 3 other IP addresses.

sara.ns.cloudflare.com resolves to 108.162.192.144, 172.64.32.144, 173.245.58.144 and 3 other IP addresses.

Mail Servers

Mail for flexstack.co is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

flexstack.co has at least partial mail server overlap with other domains such as naucitispanski.com, timovergauwen.com, letterhouse.co and two more.

The mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com points to 142.251.163.26 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com points to 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1b.