sharenotes.co - dns.ninja

`sharenotes.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:a826^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:269b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.155^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.38^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sid.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sid.ns.cloudflare.com`
		A	108.162.193.143^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	172.64.33.143^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	173.245.59.143^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
NS	`tess.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tess.ns.cloudflare.com`
		A	108.162.192.227^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	172.64.32.227^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	173.245.58.227^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.155, 172.67.168.38
		IPv6 hints	2606:4700:3035::ac43:a826, 2606:4700:3036::6815:269b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com
SOA	`sid.ns.cloudflare.com`dns@cloudflare.com serial=2409844808

`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=1759730462

Subdomains

www.sharenotes.co

Same first word

sharenotes.org

sharenotes.com

sharenotes.info

sharenotes.de

sharenotes.io

sharenotes.co

Similar names

DNS History

15 records (6 active, 9 former)

●NSsid.ns.cloudflare.com2019-12-19 → 2026-08-11 · 2 obs

● 2019-12-19 05:30:14
● 2026-08-11 12:59:38

●NStess.ns.cloudflare.com2019-12-19 → 2026-08-11 · 2 obs

● 2019-12-19 05:30:14
● 2026-08-11 12:59:38

●A104.21.38.1552026-02-18 → 2026-08-11 · 9 obs

○ 2019-12-19 05:30:14
● 2026-02-18 22:19:20
● 2026-06-13 19:26:48
○ 2026-06-27 08:16:00
● 2026-06-29 09:28:14
○ 2026-07-03 22:50:32
● 2026-07-19 05:42:46
○ 2026-07-28 13:14:32
● 2026-08-11 12:59:38

○A172.64.104.152019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 05:30:14
○ 2026-02-18 22:19:20
○ 2026-08-11 12:59:38

○A172.64.105.152019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 05:30:14
○ 2026-02-18 22:19:20
○ 2026-08-11 12:59:38

●A172.67.168.382026-02-18 → 2026-08-11 · 9 obs

○A188.114.96.02026-06-27 → 2026-07-28 · 7 obs

○ 2026-06-13 19:26:48
● 2026-06-27 08:16:00
○ 2026-06-29 09:28:14
● 2026-07-03 22:50:32
○ 2026-07-19 05:42:46
● 2026-07-28 13:14:32
○ 2026-08-11 12:59:38

○A188.114.97.02026-06-27 → 2026-07-28 · 7 obs

○ 2026-06-13 19:26:48
● 2026-06-27 08:16:00
○ 2026-06-29 09:28:14
● 2026-07-03 22:50:32
○ 2026-07-19 05:42:46
● 2026-07-28 13:14:32
○ 2026-08-11 12:59:38

○A2606:4700:3030::6815:269b2026-02-18 → 2026-06-29 · 7 obs

○ 2019-12-19 05:30:14
● 2026-02-18 22:19:20
● 2026-06-13 19:26:48
○ 2026-06-27 08:16:00
● 2026-06-29 09:28:14
○ 2026-07-03 22:50:32
○ 2026-08-11 12:59:38

●A2606:4700:3035::ac43:a8262026-02-18 → 2026-08-11 · 9 obs

●A2606:4700:3036::6815:269b2026-07-19 → 2026-08-11 · 4 obs

○ 2026-07-03 22:50:32
● 2026-07-19 05:42:46
○ 2026-07-28 13:14:32
● 2026-08-11 12:59:38

○A2606:4700:e0::ac40:680f2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 05:30:14
○ 2026-02-18 22:19:20
○ 2026-08-11 12:59:38

○A2606:4700:e0::ac40:690f2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 05:30:14
○ 2026-02-18 22:19:20
○ 2026-08-11 12:59:38

○A2a06:98c1:3120::2026-06-27 → 2026-07-28 · 7 obs

○ 2026-06-13 19:26:48
● 2026-06-27 08:16:00
○ 2026-06-29 09:28:14
● 2026-07-03 22:50:32
○ 2026-07-19 05:42:46
● 2026-07-28 13:14:32
○ 2026-08-11 12:59:38

○A2a06:98c1:3121::2026-06-27 → 2026-07-28 · 7 obs

○ 2026-06-13 19:26:48
● 2026-06-27 08:16:00
○ 2026-06-29 09:28:14
● 2026-07-03 22:50:32
○ 2026-07-19 05:42:46
● 2026-07-28 13:14:32
○ 2026-08-11 12:59:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
sharenotes.co	sid.ns.cloudflare.com, tess.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.227

NS records: sid.ns.cloudflare.com, tess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sharenotes.co (unsigned zone)

⏱️ Timing

Total: 182ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.168.38, 104.21.38.155`
AAAA	2	`2606:4700:3036::6815:269b, 2606:4700:3035::ac43:a826`
NS	2	`sid.ns.cloudflare.com, tess.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sid.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

The domain www.sharenotes.co falls under the parent sharenotes.co.

IP Addresses

sharenotes.co points to the four IP addresses 104.21.38.155, 172.67.168.38, 2606:4700:3035::ac43:a826 and 2606:4700:3036::6815:269b.

tt094.com, rescuesafe.com, www.redacteurbusinessplan.com plus two other host names have IP numbers in common with sharenotes.co.

Name Servers

DNS delegation for sharenotes.co points to two name servers: sid.ns.cloudflare.com and tess.ns.cloudflare.com.

The name server configuration of sharenotes.co is shared with other domains, for instance cetronic.com.br, infibeam.net, lee-dickens.biz and two others.

At least some of sharenotes.co's name servers are shared with other domains, for example chakushinon123.com, fenceinstallationauthority.com, investorcompensation.ie and two more.

These name servers tend to be deployed in combination with the name servers hayes.ns.cloudflare.com and vin.ns.cloudflare.com.

Hosts with 6 IP addresses each:

sid.ns.cloudflare.com has IP addresses 108.162.193.143, 172.64.33.143 and 173.245.59.143, plus 3 other.

tess.ns.cloudflare.com has IP addresses 108.162.192.227, 172.64.32.227 and 173.245.58.227, plus 3 other.