sharednotes.app - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sharednotes.app`

DNSSEC	⚠️ Not signed
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`nadia.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.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::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	`google-site-verification=qwM7F624An0C768S4xCrBHbBiK0DRfaO9m787j6neq4`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2414653774

`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

sharednotes.online

sharednotes.vip

sharednotes.net

sharednotes.app

sharednotes.pages.dev

sharednotes.org

Similar names

DNS History

7 records (7 active, 0 former)

●NSduke.ns.cloudflare.com2026-08-27 → 2026-10-14 · 2 obs

● 2026-08-27 23:58:00
● 2026-10-14 22:29:04

●NSnadia.ns.cloudflare.com2026-08-27 → 2026-10-14 · 2 obs

● 2026-08-27 23:58:00
● 2026-10-14 22:29:04

●MXalt1.aspmx.l.google.com2026-08-27 → 2026-10-14 · 2 obs

● 2026-08-27 23:58:00
● 2026-10-14 22:29:04

●MXalt2.aspmx.l.google.com2026-08-27 → 2026-10-14 · 2 obs

● 2026-08-27 23:58:00
● 2026-10-14 22:29:04

●MXalt3.aspmx.l.google.com2026-08-27 → 2026-10-14 · 2 obs

● 2026-08-27 23:58:00
● 2026-10-14 22:29:04

●MXalt4.aspmx.l.google.com2026-08-27 → 2026-10-14 · 2 obs

● 2026-08-27 23:58:00
● 2026-10-14 22:29:04

●MXaspmx.l.google.com2026-08-27 → 2026-10-14 · 2 obs

● 2026-08-27 23:58:00
● 2026-10-14 22:29:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
sharednotes.app	duke.ns.cloudflare.com, nadia.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.207

NS records: duke.ns.cloudflare.com, nadia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sharednotes.app (unsigned zone)

⏱️ Timing

Total: 2850ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`duke.ns.cloudflare.com, nadia.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=qwM7F624An0C768, v=spf1 include:_spf.google.com ~all`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

Analysis

Name Servers

sharednotes.app has two authoritative name servers — duke.ns.cloudflare.com and nadia.ns.cloudflare.com.

Host names with 6 IP numbers:

duke.ns.cloudflare.com points to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 other IP addresses.

Mail Servers

sharednotes.app 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 192.178.155.27 and 2607:f8b0:4004:c08::1b.

alt1.aspmx.l.google.com resolves to 192.178.234.27 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.