🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sheetscience.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:9f22^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:93a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.9.58^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.34^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elisa.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2636^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c236^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2236^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elisa.ns.cloudflare.com`
		A	108.162.194.54^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	162.159.38.54^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	172.64.34.54^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
NS	`matias.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c49^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c349^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matias.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2349^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matias.ns.cloudflare.com`
		A	108.162.195.73^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
		A	162.159.44.73^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
		A	172.64.35.73^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matias.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.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::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.9.58, 172.67.159.34
		IPv6 hints	2606:4700:3035::ac43:9f22, 2606:4700:3037::6815:93a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com
SOA	`elisa.ns.cloudflare.com`dns@cloudflare.com serial=2417510095

`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

sheetscience.app

sheetscience.com

Similar names

sciencesheet.com

iessencetech.com

icesensetech.com

Previous names

Next names

DNS History

15 records (11 active, 4 former)

●NSelisa.ns.cloudflare.com2026-08-30 → 2026-11-14 · 2 obs

● 2026-08-30 00:33:36
● 2026-11-14 22:57:42

●NSmatias.ns.cloudflare.com2026-08-30 → 2026-11-14 · 2 obs

● 2026-08-30 00:33:36
● 2026-11-14 22:57:42

●MXalt1.aspmx.l.google.com2026-08-30 → 2026-11-14 · 2 obs

● 2026-08-30 00:33:36
● 2026-11-14 22:57:42

●MXalt2.aspmx.l.google.com2026-08-30 → 2026-11-14 · 2 obs

● 2026-08-30 00:33:36
● 2026-11-14 22:57:42

●MXalt3.aspmx.l.google.com2026-08-30 → 2026-11-14 · 2 obs

● 2026-08-30 00:33:36
● 2026-11-14 22:57:42

●MXalt4.aspmx.l.google.com2026-08-30 → 2026-11-14 · 2 obs

● 2026-08-30 00:33:36
● 2026-11-14 22:57:42

●MXaspmx.l.google.com2026-08-30 → 2026-11-14 · 2 obs

● 2026-08-30 00:33:36
● 2026-11-14 22:57:42

●A104.21.9.582026-09-10 → 2026-11-14 · 3 obs

○ 2026-08-30 00:33:36
● 2026-09-10 03:57:04
● 2026-11-14 22:57:42

●A172.67.159.342026-09-10 → 2026-11-14 · 3 obs

○ 2026-08-30 00:33:36
● 2026-09-10 03:57:04
● 2026-11-14 22:57:42

○A188.114.96.02026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 00:33:36
○ 2026-09-10 03:57:04
○ 2026-11-14 22:57:42

○A188.114.97.02026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 00:33:36
○ 2026-09-10 03:57:04
○ 2026-11-14 22:57:42

●A2606:4700:3035::ac43:9f222026-09-10 → 2026-11-14 · 3 obs

○ 2026-08-30 00:33:36
● 2026-09-10 03:57:04
● 2026-11-14 22:57:42

●A2606:4700:3037::6815:93a2026-09-10 → 2026-11-14 · 3 obs

○ 2026-08-30 00:33:36
● 2026-09-10 03:57:04
● 2026-11-14 22:57:42

○A2a06:98c1:3120::2026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 00:33:36
○ 2026-09-10 03:57:04
○ 2026-11-14 22:57:42

○A2a06:98c1:3121::2026-08-30 → 2026-08-30 · 3 obs

● 2026-08-30 00:33:36
○ 2026-09-10 03:57:04
○ 2026-11-14 22:57:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
sheetscience.app	matias.ns.cloudflare.com, elisa.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.54

NS records: matias.ns.cloudflare.com, elisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sheetscience.app (unsigned zone)

⏱️ Timing

Total: 533ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.9.58, 172.67.159.34`
AAAA	2	`2606:4700:3035::ac43:9f22, 2606:4700:3037::6815:93a`
NS	2	`elisa.ns.cloudflare.com, matias.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elisa.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

sheetscience.app directs to four IP numbers, which are 104.21.9.58, 172.67.159.34, 2606:4700:3035::ac43:9f22 and 2606:4700:3037::6815:93a.

Among the host names that share IP numbers with sheetscience.app are www.x-theme.com, zipm.cc, sharelink.me and two others.

Name Servers

sheetscience.app uses two name servers for its delegation: elisa.ns.cloudflare.com and matias.ns.cloudflare.com.

sheetscience.app has the same name server delegation as a number of other domains, such as sfphc.com, caleb-fender-site.pages.dev, highbitxyz.pages.dev and two more.

There is at least partial name server overlap between sheetscience.app and other domains — sciopublish.com, gajimana.com, mazescaleteam.com and two more among them.

These name servers are routinely deployed together with the name servers carla.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname elisa.ns.cloudflare.com directs to 108.162.194.54, 162.159.38.54 and 172.64.34.54 along with 3 other IP addresses.

Hostname matias.ns.cloudflare.com directs to 108.162.195.73, 162.159.44.73 and 172.64.35.73 along with 3 other IP addresses.

Mail Servers

Five mail servers handle sheetscience.app: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

sheetscience.app shares at least some of its mail servers with other domains — for example prestoshvac.com, airscrubberrental.com.au, kommunikat.pl and two more.

It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com directs traffic to 192.178.155.27 and 2607:f8b0:4004:c07::1a.

alt1.aspmx.l.google.com directs traffic to 192.178.234.27 and 2800:3f0:4003:c14::1b.

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

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.