flatfour.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`flatfour.dev`

DNSSEC	🔒 Signed (DS record present)
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns-cloud-b1.googledomains.com` ⭐
		A	2001:4860:4802:32::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b1.googledomains.com`
		A	216.239.32.107^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-b1.googledomains.com`
NS	`ns-cloud-b2.googledomains.com`
		A	2001:4860:4802:34::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b2.googledomains.com`
		A	216.239.34.107^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-b2.googledomains.com`
NS	`ns-cloud-b3.googledomains.com`
		A	2001:4860:4802:36::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b3.googledomains.com`
		A	216.239.36.107^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-b3.googledomains.com`
NS	`ns-cloud-b4.googledomains.com`
		A	2001:4860:4802:38::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b4.googledomains.com`
		A	216.239.38.107^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-b4.googledomains.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=5

`dev`

	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=1

🔒 HSTS Preload (+subdomains)

DNS History

10 records (10 active, 0 former)

●NSns-cloud-b1.googledomains.com2026-09-12 → 2026-10-12 · 2 obs

● 2026-09-12 14:49:36
● 2026-10-12 15:05:16

●NSns-cloud-b2.googledomains.com2026-09-12 → 2026-10-12 · 2 obs

● 2026-09-12 14:49:36
● 2026-10-12 15:05:16

●NSns-cloud-b3.googledomains.com2026-09-12 → 2026-10-12 · 2 obs

● 2026-09-12 14:49:36
● 2026-10-12 15:05:16

●NSns-cloud-b4.googledomains.com2026-09-12 → 2026-10-12 · 2 obs

● 2026-09-12 14:49:36
● 2026-10-12 15:05:16

●MXalt1.aspmx.l.google.com2026-09-12 → 2026-10-12 · 4 obs

● 2026-09-12 14:49:36
○ 2026-09-12 21:06:16
● 2026-09-13 13:10:50
● 2026-10-12 15:05:16

●MXalt2.aspmx.l.google.com2026-09-12 → 2026-10-12 · 4 obs

● 2026-09-12 14:49:36
○ 2026-09-12 21:06:16
● 2026-09-13 13:10:50
● 2026-10-12 15:05:16

●MXalt3.aspmx.l.google.com2026-09-12 → 2026-10-12 · 4 obs

● 2026-09-12 14:49:36
○ 2026-09-12 21:06:16
● 2026-09-13 13:10:50
● 2026-10-12 15:05:16

●MXalt4.aspmx.l.google.com2026-09-12 → 2026-10-12 · 4 obs

● 2026-09-12 14:49:36
○ 2026-09-12 21:06:16
● 2026-09-13 13:10:50
● 2026-10-12 15:05:16

●MXaspmx.l.google.com2026-09-12 → 2026-10-12 · 4 obs

● 2026-09-12 14:49:36
○ 2026-09-12 21:06:16
● 2026-09-13 13:10:50
● 2026-10-12 15:05:16

●A198.185.159.1442026-09-12 → 2026-10-12 · 4 obs

● 2026-09-12 14:49:36
○ 2026-09-12 21:06:16
● 2026-09-13 13:10:50
● 2026-10-12 15:05:16

🔍 DNS Trace

Analysis

IP Addresses

flatfour.dev points to a single IP number: 198.185.159.144.

Name Servers

flatfour.dev has four authoritative name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com all point to exactly two IP numbers each: ns-cloud-b1.googledomains.com → 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com → 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com → 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com → 216.239.38.107 and 2001:4860:4802:38::6b.

Mail Servers

flatfour.dev is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

Host names with two IP numbers:

aspmx.l.google.com resolves to 172.253.62.26 and 2607:f8b0:4004:c17::1a.

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

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

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