🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`simplesystem.study`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:d86^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:84d8^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.134^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.216^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`denver.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`denver.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`denver.ns.cloudflare.com`
		A	108.162.195.196^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	162.159.44.196^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	172.64.35.196^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
NS	`nora.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nora.ns.cloudflare.com`
		A	108.162.192.213^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nora.ns.cloudflare.com`
		A	172.64.32.213^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nora.ns.cloudflare.com`
		A	173.245.58.213^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nora.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`google-site-verification=zSUurQeD0E4QOFu9bcwlOswbpLUkqcf6HeIkUL4ZH0M`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.134, 172.67.132.216
		IPv6 hints	2606:4700:3031::6815:d86, 2606:4700:3035::ac43:84d8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=81, name=cloudflare-ech.com
SOA	`denver.ns.cloudflare.com`dns@cloudflare.com serial=2412559058

`study`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.study` ⭐
	NS	`b.nic.study`
	NS	`c.nic.study`
	NS	`x.nic.study`
	NS	`y.nic.study`
	NS	`z.nic.study`
	SOA	`a.nic.study`admin@tldns.godaddy serial=1787921233

Same first word

Similar names

impelsystems.com

pimelsystems.com

systemsimple.com

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSdenver.ns.cloudflare.com2026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 04:49:20
● 2026-08-28 12:53:18

●NSnora.ns.cloudflare.com2026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 04:49:20
● 2026-08-28 12:53:18

●MXsmtp.google.com2026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 04:49:20
● 2026-08-28 12:53:18

●A104.21.13.1342026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 04:49:20
● 2026-08-28 12:53:18

●A172.67.132.2162026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 04:49:20
● 2026-08-28 12:53:18

●A2606:4700:3031::6815:d862026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 04:49:20
● 2026-08-28 12:53:18

●A2606:4700:3035::ac43:84d82026-08-20 → 2026-08-28 · 2 obs

● 2026-08-20 04:49:20
● 2026-08-28 12:53:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
study	z.nic.study, x.nic.study, b.nic.study, y.nic.study...	12 records
simplesystem.study	nora.ns.cloudflare.com, denver.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.196

NS records: nora.ns.cloudflare.com, denver.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplesystem.study (unsigned zone)

⏱️ Timing

Total: 1411ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.134, 172.67.132.216`
AAAA	2	`2606:4700:3035::ac43:84d8, 2606:4700:3031::6815:d86`
NS	2	`denver.ns.cloudflare.com, nora.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=zSUurQeD0E4QOFu, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`denver.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (z.nic.study, z.nic.study, x.nic.study...)

Analysis

IP Addresses

simplesystem.study has four IP addresses: 104.21.13.134, 172.67.132.216, 2606:4700:3031::6815:d86 and 2606:4700:3035::ac43:84d8.

(0x65726f746963)image.co.uk, graren.com, moviehdflix.com and two other host names share IP numbers with simplesystem.study.

Name Servers

simplesystem.study has two authoritative name servers — denver.ns.cloudflare.com and nora.ns.cloudflare.com.

simplesystem.study uses the same name servers as several other domains — among them healthharmonic.com, autodiscountformula.com, a3bet.online and two more.

simplesystem.study partially shares its NS delegation with several other domains, including sato52.workers.dev, orbitmatrix.de, magnum918.net and two others.

The name servers jill.ns.cloudflare.com, drake.ns.cloudflare.com, lily.ns.cloudflare.com and susan.ns.cloudflare.com are often found in use alongside these name servers.

Hostnames that resolve to 6 IP addresses:

denver.ns.cloudflare.com points to 108.162.195.196, 162.159.44.196, 172.64.35.196 and 3 other IP addresses.

nora.ns.cloudflare.com points to 108.162.192.213, 172.64.32.213, 173.245.58.213 and 3 other IP addresses.

Mail Servers

Mail for simplesystem.study is handled by a single mail server, smtp.google.com.

simplesystem.study uses an identical mail server configuration to several other domains — among them civsync.co, pantollventures.com, simbacleans.com and two more.

simplesystem.study has at least partial mail server overlap with other domains such as donnybrookscouts.org, hginsuranceinc.com, ankrprecon.com and two more.

smtp.google.com resolves to 9 IP addresses — 64.233.180.26, 64.233.180.27, 142.251.179.26 and 6 others.

simplesystem.study - robtex.com